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A Pitch to the Underemployed: An Appeal to Industry and Academia

Amoxycillin (Amoxicillin) For Sale, In a recent twitter thread amongst several long-time programmers, including me, Tim Ottinger, Corey Haines, Dave Astels, and Jason Gorman, we agreed that we wished we had a collective series of pitches (blog posts, interviews in YouTube videos, a domain), about why and how we got started as programmers. And why we are still so passionate about it after years and years. And related questions. So we are launching this thing, inspired by Corey's original "How I Got Started in Programming" interviews , and we will refine it as agilists do: via collaboration, iteration and incremental improvement, Amoxycillin (Amoxicillin) brand name.

My Personal Programming Mission

I love helping people, and programmers in particular, learn to be great. I mostly program, these days, with this mission in my mind and heart, Amoxycillin (Amoxicillin) For Sale. Here's my story.

My Dad is a Physicist. After Amoxycillin (Amoxicillin), He used to do lots and lots of expensive banging of particles into each other at high speed, at various particle accelerators. Giant round electromagnets, like some James Bond special effect. (When my Dad worked at CERN Amoxycillin (Amoxicillin) For Sale, , we would bike and scooter everywhere, just like the guy in the picture, back before Segways.) Lead bricks, liquid nitrogen, and wires everywhere. Radiation detection badges on every shirt.

So this relates back to programming, I swear, buy Amoxycillin (Amoxicillin) from canada. My Dad and his grad students were hacking around on expensive DEC boxes in the 60s to do data analysis, using Fortran and Unix shell scripts, and Nixie Tube digital readouts. I was in awe of all of this, truly. He got into the books by measuring the decay rate of the Sigma Hyperon, Amoxycillin (Amoxicillin) For Sale. Online buy Amoxycillin (Amoxicillin) without a prescription, Back when that was totally HARD to do.

One of the many things my Dad was, and is, good at, is pulling community, inspiration, money, generic Amoxycillin (Amoxicillin), practical hacking, and great research ideas together. And he was especially good at helping people learn Science. My Dad is good at making Physics, and learning Physics in particular, Order Amoxycillin (Amoxicillin) from United States pharmacy, really fun and accessible. Amoxycillin (Amoxicillin) For Sale, We would go to the Physics building on a weekend, and hang out with one of Dad's heros, Bill Vulcan, a guy who could hack together electronics to do anything. The researchers would ask Bill to cook up some odd, special, one-off device for a cyclotron run, and (this is in like 1966, mind you) Bill would just make it. My Dad loved that, Amoxycillin (Amoxicillin) forum, and it was infectious.

Learning By Blowing Stuff Up

You want to know about gas pressure as it relates to temperature. My Dad would buy a brand new metal gas can, and put it (without the cap) into our kitchen oven preheated to 600 degrees. My Mom comes in and says "Bob, Amoxycillin (Amoxicillin) For Sale. Why is the oven at 600 degrees!"  Dad says "Because I can't get it to go any higher."

When the new, Amoxycillin (Amoxicillin) canada, mexico, india, empty gas can is glowing a nice red color, my Dad gets his welders' gloves (important accessory for research Physicists), pulls out the can, screws on the cap, and plunges the can into a tub of water spiked with ice and dry ice (also important, as was liquid nitrogen, though we didn't usually keep that at the house), Amoxycillin (Amoxicillin) from canada.

The gas can makes a terrifying sound, and scrunches up to about the size of a baseball. As I remember it anyway. I should try it again. Amoxycillin (Amoxicillin) For Sale, Hmmmm. [Oh, Kjøpe Amoxycillin (Amoxicillin) på nett, köpa Amoxycillin (Amoxicillin) online, safety tip: don't have your hand in the gas can handle when you plunge the hot can. It doesn't stay a handle for long.]

In a class on the Physics of electronics, Dad would walk into a class with a fully-charged-up  10,000-microfarad capacitor with the terminals running parallel to each other. It was the size of a can of coffee beans back then. And he would be wearing his safety goggles, and those welders gloves again, Amoxycillin (Amoxicillin) interactions, and the biggest flat-head screwdriver Sears makes. He would walk up to the front row of a stadium-seating classful of students, and say, "As those of you who did the reading for last week know, this is a capacitor, and capacitors hold charge."

And then he would do the obvious thing: discharge that sucker, Amoxycillin (Amoxicillin) For Sale. Sounded like 5 12-gauge shotguns going off at once. It got one's attention.

Years later, my brothers and my Dad would experiment with heavily modified spud cannons, Amoxycillin (Amoxicillin) price, and Dad would determine how high we were launching spuds by timing launch to landing.

Anyway, stuff like that. Amoxycillin (Amoxicillin) For Sale, All through my youth. That's how I got addicted to helping people learn, and making learning fun.

Why I Got Into Programming

I was in college in 1978 at the University of California Santa Barbara, studying English, fast shipping Amoxycillin (Amoxicillin), playing a lot of music and writing  a lot of poetry, and, ah, other stuff. Some buddies of mine and I decided to take the new programming class, Online Amoxycillin (Amoxicillin) without a prescription, because they had finally gotten green-screen terminals (of a crude sort), and a real-time OS (W00t!) for their IBM 360 clone, and the new programming intro class was taught by a well-known UCSB CS hippie, Dr Ken Klingenstein, who wore bell bottoms, and had hair like someone out of a Peter Max poster. It was Dr Ken who told me, doses Amoxycillin (Amoxicillin) work, when programming still looked scary to me, like, way too much Math, "Patrick, it turns out that poets and artists come up with great algorithms and data structures. It's not all just Math, Amoxycillin (Amoxicillin) For Sale. Japan, craiglist, ebay, overseas, paypal, You should stick this out." He was so right.

And first class, Dr Ken threw down a case of good beer on the podium up front, and said "Whoever among you can come up with a three-dimensional tic-tac-toe game that beats mine, within two weeks, gets this case of beer." It was good German beer.

We knew right then that Ken knew how to make learning fun, Amoxycillin (Amoxicillin) dosage. We were working in WatFiv, a Fortan variant (thanks, guys). Amoxycillin (Amoxicillin) For Sale, We worked our tails off, going to the CS lab between midnight and dawn to get the most terminal time. A friend of mine, Mark Gordon, Amoxycillin (Amoxicillin) without a prescription, devised a game that actually beat Ken's. Ken was, unexpectedly, chagrinned. But he handed over the beer. These days Ken is an Internet bigwig. I'm unsurprised, Amoxycillin (Amoxicillin) For Sale.

And the class got more interesting after that, Amoxycillin (Amoxicillin) pharmacy. I ended up studying CS at UC Santa Cruz (WAY more hippie professors - great stories there: the grads and undergrads and profs all just hung out together and came up with stuff to learn and teach: I was immersed in boolean math, turing machines, and on and on), and UC Berkeley (where I was taught DEC PDP-11 assembler from Dr Arthur Gill, from Scotland, Purchase Amoxycillin (Amoxicillin) online, who as I remember it, had written the definitive text on DEC PDP-11 assembler, and disliked humans). I worked in assembly language, Fortran, PL/1, and Pascal, Amoxycillin (Amoxicillin) alternatives. I wish to goodness I had bumped into Alan Kay, but that didn't happen. Amoxycillin (Amoxicillin) For Sale, I bumped into fugly COBOL shops instead, in Walnut Creek, CA. Talk about bad luck.

Unlike many of my contemporaries, I did not program for all of my software career. Amoxycillin (Amoxicillin) wiki, I was daunted by COBOL, and drawn equally to programming and writing. So I spent years as a tech writer, then years programming in the small (hacking) as a UI/UX designer, and then a "multimedia programmer" (hacker). All this before I got serious, not that many years ago, about OO and agile programming and software craftsmanship, Amoxycillin (Amoxicillin) For Sale.

Why I Still Love Programming

Well-crafted code that is demonstrably valuable, correct, order Amoxycillin (Amoxicillin) from mexican pharmacy, defect free, and -- best of all -- in some way new and delightful in ways customers didn't expect. Well. It makes one feel like a wizard. It is a kind of wizardry. Amoxycillin (Amoxicillin) For Sale, And it demands all the things I love most: creativity, collaboration, inspiration, improvisation, discipline, and continuous improvement and refinement. Purchase Amoxycillin (Amoxicillin) for sale, Above all, it demands continuous learning.

Programming really, really challenges me. I find talking and writing prose much easier, frankly. But when I truly grok key concepts in programming, online buy Amoxycillin (Amoxicillin) without a prescription, I get an awesome thrill.

And when I can help someone else grok some key programming concept, I get a much bigger thrill, Amoxycillin (Amoxicillin) For Sale.

Why Programming Matters

This world we have made is increasingly made of programs, most of them absolutely terrifyingly badly made. (For a wonderful summary of the history of this, and the stakes involved, Amoxycillin (Amoxicillin) street price, read Jason Gorman's awesome blogpost on the subject.) For a broader treatment of how declining software quality ("normalization of deviance") relates to quality issues in other industries, see Dave Rooney's excellent summary here.

Meanwhile the Internet, as it evolves like a vast organism, matters as much as anything humans have done, period. We will rely more and more on it for connection, Amoxycillin (Amoxicillin) dosage, for learning, for helping each other, and for evolving consciousness. Amoxycillin (Amoxicillin) For Sale, Truly, it matters a great deal how well the fabric of the Internet, and all of the programs on it, are made. (I link all the time to Wikipedia, increasingly an international treasure. Amoxycillin (Amoxicillin) from canada, Do you know what that thing is made of, and how. Ouch.)

The software that is showing up in our cars sometimes crashes. I rented a Ford Edge last year whose dashboard display kept rebooting. It was ominous, Amoxycillin (Amoxicillin) For Sale. Now my car can crash before it crashes.

That's not OK. That's pathetic, buy Amoxycillin (Amoxicillin) from mexico. We can and must and will do better. Amoxycillin (Amoxicillin) For Sale, It will take many more passionate, productive, pragmatic, disciplined, dedicated software craftsmen. It will take more creativity, collaboration, inspiration, improvisation, Order Amoxycillin (Amoxicillin) online overnight delivery no prescription, discipline, and continuous improvement and refinement.

And above all, continuous learning.

Why Men and Women Should Consider Programming as a Career

Programming done really well, by the best programmers I know, is awesomely fun, what is Amoxycillin (Amoxicillin), inspiring, and cool. The culture of the best 10,000 programmers in the world is populated by people who are perhaps 1000 times more skillful, passionate, Amoxycillin (Amoxicillin) natural, and productive than the average programmer. (Oddly, most of them are also very good musicians, Amoxycillin (Amoxicillin) For Sale. Most of them, in fact, are great guitarists. Go figure, Dr Ken.)

Programming as a craft (pursued with creativity, collaboration, no prescription Amoxycillin (Amoxicillin) online, inspiration, improvisation, discipline, and continuous improvement and refinement and learning) is deeply rewarding. It's really, Where can i buy Amoxycillin (Amoxicillin) online, really fun. It makes and saves people time and money. Amoxycillin (Amoxicillin) For Sale, It connects people. It enables people to have fun.

Small groups of programmers have about them the same magic as the very best teams in professional sports, the very best Special Forces military teams, the very best college faculties, the very best teams of any kind who routinely challenge each other and themselves, Amoxycillin (Amoxicillin) blogs. (Heck, you can do it throwing fish.) Groups of the best programmers are very boisterous, sometimes contentious, inspiring. Very alive. It's almost like they are throwing fish, Amoxycillin (Amoxicillin) For Sale. But ideas instead. I think you follow me.

I created this animoto video and this other one a couple of years ago from pix I took at the very first CodeRetreat. (The music for both vids, by the way, is mine, from like 16 years ago, back when I did sound tracks for CD-ROM games.)

I think about moments like that when I think about awesome programmers. Amoxycillin (Amoxicillin) For Sale, Someday, as in the novel Diamond Age, perhaps software can help make learning 1000 times better than our current "education systems," which are paternalistic, conformist, hierarchical, performance-based, dehumanizing, mechanizing, demoralizing, and otherwise just plain bad. I really do look to programmers to help change that.

The Kind of Programming You Don't Want to Do

You don't want to end up with your head down in a cubicle, engaged in Microsoft Artifact Wars all day. The more time you are spending in ClearCase, Word, Excel, and (God save us all) Outlook, the more you are likely to be a software wage-slave.

That was never the only option, and it is decreasingly the only option. There is a small but powerful, growing army out there of programmers who will not give up on the true promise of programming, Amoxycillin (Amoxicillin) For Sale. Programming and learning to program, like Physics and learning Physics, can be an absolute gas.

Trust me, you want to be part of something that cool, something that makes you feel that alive.

Other Blogs and Resources In this Blog Chain

As they emerge, I will link to YouTube vids, other blogs, books, and other resources that answer these (and related questions).

In the long run, as Corey points out, what we really want is to bust out of our own community into a mainstream, funded source of continuous inspiration for those who might flourish in software. Something like this Amoxycillin (Amoxicillin) For Sale, might be related.

Start with this: Corey's vids, and the Passionate Programmer by Chad Fowler.

Also, Jason Gorman's passionate call to action along these lines: reaching out to folks and pitching programming to them as a career.

Also, check out This Developer's Life, and this thread on old-skool programming inspiration.

[More soon...].

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Agile Programming: Lesson One (Part Three)

At the start of this series of posts Buy Adolan (Tramadol) Without Prescription, I suggested that those who really, really want to become Agile Programmers start with a couple of refactoring exercises. In another post I explained why I suggest this as a starting point. I'll reiterate here that I am suggesting that you perform those exercises several times, several ways, before you attempt the exercises coming up next, australia, uk, us, usa.

All done.  OK. Cool, Buy Adolan (Tramadol) Without Prescription. Now, Adolan (Tramadol) steet value, three posts in, I'll introduce the ideas of microtests and Test-Driven Development (referring you to other sources for deeper dives into these large topics).

If you have been following along in code, as well as in your reading, you may by now have discovered and learned several things, is Adolan (Tramadol) safe. Here are a few, any one or two of which may have occurred to you:

  • You would not really be safe trying to do those original refactoring exercises without the handful of tests that cover them.

  • It's not hard to break existing tests if you keep running them after each little refactoring step

  • The refactoring steps in the exercises can be pretty hard to do, even in those really small amounts of code.

  • As you extract behavior into lots of new methods, My Adolan (Tramadol) experience, and perhaps into a few new classes, it would be really cool to have new, separate JUnit tests that cover those specific little behaviors.

  • It can be tricky trying to determine how to keep test code itself clean and concise.

I suspect that after enough repetitions of those first exercises I suggested, one or more of these does occur to you. Let's dig into testing in the context of these kinds of observations, cheap Adolan (Tramadol).

Definition: Microtests

By Microtests Buy Adolan (Tramadol) Without Prescription, , which term was coined by Mike (@GeePawHill) Hill, I mean the same thing that people like Mike Feathers and J.B. Rainsberger (and many other TDD thoughtleaders) mean by unit tests or isolation tests or programmer tests. So in Java, a JUnit test is a Microtest if it:

  • Tests a single discrete behavior/responsibility ("in isolation")

  • Runs completely in memory: does not touch databases, Japan, craiglist, ebay, overseas, paypal, GUI frameworks, file systems, or networks. Those other tests are frequently useful, but they are not microtests.

  • Runs really, Adolan (Tramadol) maximum dosage, really fast. Fast enough means somewhere between 10 and 100 per second, or faster.

Vital Ends: Enough Microtests for a Production Codebase

Every production codebase desperately needs to have enough microtest coverage.

Your codebase has enough microtests if your code coverage (as previously discussed) is at least 85%, and your median test-method length and production method-length is really small (as previously discussed), and each test class and test method is itself SRP-compliant, and very experienced microtesters have looked over the entire test suite and pronounced it healthy.

There are leaps of faith for you to take here, admittedly, Buy Adolan (Tramadol) Without Prescription. Order Adolan (Tramadol) from mexican pharmacy, And that last clause is really fuzzy and subjective. I get it.

Nevertheless, I'll emphasize this:

Aside from the production code itself, there is no more important artifact for any codebase than its suite of microtests, generic Adolan (Tramadol). A codebase without enough microtests, as Feathers has pointed out, is by definition Legacy Code. Buy Adolan (Tramadol) Without Prescription, Agile Programmers are careful about microtests the way veteran skydivers are careful about packing parachutes. Buy Adolan (Tramadol) no prescription,

Again, an exhaustive suite of microtests are ends, worthy in their own right, for protecting us from introducing defects when we change code.

But as is very frequently discussed in agile circles, discount Adolan (Tramadol), Test-Driven Development (TDD), as a means to those ends, is important in other ways. Adolan (Tramadol) recreational,

Definition: Test-Driven Development (TDD)

Test-Driven Development is the practice and craft of writing tiny little microtests for production code before you write the production code itself. The practice has been covered exhaustively in other sources, so I'll only sketch it here, starting with its benefits. Again, prepare to make leaps of faith:

  • TDD is the most efficient, least-expensive way to produce high-ROI, low-TCO suites of exhaustive microtests.

  • TDD is the most efficient, least-expensive way to drive production code in the direction of high-ROI, low-TCO Clean Code.

  • TDD and microtesting have layers of sophistication, auxiliary practices and techniques, and otherwise a world of richness of their own.

  • Skilled TDD (and refactoring) completely change how you feel about programming, for the better.

  • Only after you have written a few thousand microtests using TDD (and other practices) do those first four points above become experientially clear.

  • For many programmers, TDD seems at first (perhaps for months) to be a maddening, fanatical waste of time, Buy Adolan (Tramadol) Without Prescription. It feels (to some) like walking backward up a staircase, Adolan (Tramadol) reviews, blindfolded, carrying a tray of expensive flute glasses full of expensive champagne. Senseless, Adolan (Tramadol) gel, ointment, cream, pill, spray, continuous-release, extended-release, in other words. But that does pass.

Yes, you can write tests last, after you have written production code. But in exercises coming up soon here, Adolan (Tramadol) without a prescription, I hope to provide you an opportunity to learn that this slows you down more than you can tolerate. Buy Adolan (Tramadol) Without Prescription, I'll also explain why that seems to be true.

One more thing: it can be very, very difficult to do real TDD, Doses Adolan (Tramadol) work, or to add or change code at all, in existing codebases with very low code coverage. Before continuing with this post/lesson, if you doubt what I just said, please consider attempting this exercise I created a few years ago, Adolan (Tramadol) no prescription. Then come back here and continue.

The TDD References

First, the references. TDD basics are covered on-line pretty darned well, Buy Adolan (Tramadol) Without Prescription. Adolan (Tramadol) brand name, The more advanced, sneaky design mechanisms behind it are covered (for the advanced reader) here and here and here and here.

Aside: My fave, fave intro to TDD online is @JamesShore 's "Let's Play" series. James models to us all expertise, Adolan (Tramadol) interactions, poise, fun, and best of all, Adolan (Tramadol) description, supreme openness and vulnerability. Also the desire for a pair. Buy Adolan (Tramadol) Without Prescription, You can follow these videos and learn enormous amounts (the pace of learning is different from what I am attempting here -- it's OK if you find yourself lost by him pretty fast; if you revisit these next year you likely won't be). You can also hear his cat whining about TDD in the background, if you listen carefully.

In all seriousness, Adolan (Tramadol) duration, in the opinion of some, James dives quickly into "TDD by the book," which is to say with very, Adolan (Tramadol) over the counter, very little up-front design. Note that, as James proceeds, given his level of skill, this is not a serious problem for him, order Adolan (Tramadol) no prescription. Master that he is, he can refactor himself out of any design misstep. This is not TDD at a novice level, Buy Adolan (Tramadol) Without Prescription. Also notice in this series of videos how deeply James dives into mastering the problem domain at hand. Buy generic Adolan (Tramadol), It is his deepening mastery of that domain, coupled with his TDD mastery, that allows his design to emerge in increments that might at first seem ungainly, but are in fact elegant.

TDD is also covered in a slew of great books, buy no prescription Adolan (Tramadol) online. Good ones in Java include (at least)

No, you need not purchase and read all of these books. Buy Adolan (Tramadol) Without Prescription, Any one of them is likely sufficient to challenge you with Java TDD exercises and thinking for some time. And you need not purchase any of them this minute. But you will need at least one of them soon, both for tutorial and for reference, ordering Adolan (Tramadol) online. There is a completely different slew of books for  test-driving in other languages, BTW. [More later.]

The Classic Red-Green-Refactor TDD Cycle

The classic TDD cycle is covered well, Adolan (Tramadol) alternatives, in all seriousness, in the wikipedia TDD write-up. When you are learning TDD, taking this grand leap of faith, stick to this cycle like glue, Buy Adolan (Tramadol) Without Prescription. Follow it blindly for a good long while. Internalize it.

If you need a little humor to keep you on track, where to buy Adolan (Tramadol), you can use this handy on-line "pair partner" to remind you where you are in the cycle.

A New Rule to Follow in Our Challenges

We've been working in the BankOCR Kata for awhile now. Buy Adolan (Tramadol) Without Prescription, We've been refactoring existing code. As we go, Adolan (Tramadol) images, we've been adhering to certain rules (paraphrased here, for our next challenges):

  • Keep all tests running green as much as possible. Also try to purposefully break them sometimes, to see what kinds of coverage they give you in the code (more on that later, too).

  • Rename each entity (project, Adolan (Tramadol) canada, mexico, india, package, class, method, Adolan (Tramadol) class, variable) at least twice, as you learn more and more about what it should be doing

  • By the time you are done, no method should contain more than 8 lines of code (this also applies to test methods), and most methods should be in the neighborhood of 4 or 5 lines of code, including declarations and return statements, Adolan (Tramadol) overnight. This includes test methods.

  • Don't let code coverage fall below 85%.

As we switch to test-driving brand-new code, the rules above still apply. To this I'll add a new rule, Adolan (Tramadol) for sale, for the test-driven code:

  • Test-drive classes that contain only a single public method, no more than 3 fields, and no more than 4 private helper methods. Try to avoid accessors (getters and setters), Buy Adolan (Tramadol) Without Prescription. Can you avoid them. If not, Adolan (Tramadol) schedule, why not?

Your Next Challenges

Start by ignoring the design you have been working with in the first exercises. Empty your mind of design ideas for the BankOCR Kata. Start with this new, nearly fresh version of an implementation, which can now help you with the special love provided by the Whack-A-Method testing mechanism.

Try test-driving just one part of the BankOCR Kata Buy Adolan (Tramadol) Without Prescription, at a time, and in this order (for now):

  • Test-drive code that parses  a bunch of raw OCR-like String data (represented however you like) into separate OCR digits. Remember the input data looks like this:


  • How many classes does this need.  I mean, if they are really, really small, SRP-compliant classes?

  • Next, test-drive code that converts those individual OCR digits into integers. Again, how many classes do you need. How do you know?

  • Finally, test-drive code that converts groups of those OCR digits into proper account numbers.

Now, after having done that the above way, throw away all the code, and do it in reverse. Is that harder. Easier.

Remember to follow all of the above rules. And stay tuned, next, for some more deep dive into emergent design: the magic thing that happens as we begin to master TDD, Clean Method Hierarchies, and Clean Code generally.

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Agile Programming: Lesson One (Part Two)

Buy Amoxycillin (Amoxicillin) Without Prescription, Two posts ago, I suggested a first pair of exercises for programmers who want to learn some Agile Programming off-line, which is to say, by themselves. The exercises in that first post ask you to focus on learning to refactor existing code to what I call a Clean Method Hierarchy. It asked you to make a leap of faith, trying the exercises, without first reading several more paragraphs about why I think that makes such a great starting point for learning Agile Programming. In this post, I'm trying to backfill that explanation and justification, Amoxycillin (Amoxicillin) use.

The Original Goals

In that first post, I suggested that the target level of cleanliness you should shoot for in the first two exercises should include these characteristics:

  • Keep all existing tests, such as they are, running green as much as possible. Also try to purposefully break them sometimes, to see what kinds of coverage they give you in the code (more on that later, too).

  • Rename each entity (project, package, class, method, variable) at least twice, as you learn more and more about what it should be doing

  • By the time you are done, no method should contain more than 8 lines of code (this also applies to test methods), and most methods should be in the neighborhood of 4 or 5 lines of code, including declarations and return statements.

Now: Why Start with Just These Exercises?

Below, I explain why it matters so much that you learn to accomplish the above ends instinctively as an agile programmer, as a software craftsman, Buy Amoxycillin (Amoxicillin) Without Prescription.

A Clean Class is Much Easier to Learn than Clean Everything Else

Below we'll dive into the handful of things you need to understand deeply in order to get really, Amoxycillin (Amoxicillin) pictures, really good at keeping one class clean. Compared to what is necessary to keep an entire object model clean, a multi-tiered architecture clean, a codebase build clean, web application framework implementations clean, continuous integration systems clean, and continuous delivery systems clean (not to mention thorny subjects like exception handling and concurrency), Amoxycillin (Amoxicillin) dose, the short list of things required to keep one class clean is pleasantly tractable.

It's Easier Partly Because There are Only a Few Things Involved

The specific list of practices, principles, and patterns, as mentioned in the first post, Buy cheap Amoxycillin (Amoxicillin), includes:

In this post, let's cover just the few of these that are most vital:

  • Code Coverage

  • Naming and Renaming

  • Basic Refactoring

  • The Extract Method refactoring

  • Keeping Modules Small

  • The SRP (Single-Responsibility Principle)

  • Cyclomatic  Complexity

  • Squeeze Class

Code Coverage

To the above list of original goals, let me now suggest that you add this item (you are going to keep working on the exercises over and over again, right?):

The definition of a Clean Class includes (contextually) something like 85% code coverage (the measured extend to which your code is protected by tests). (For some kinds of code, kjøpe Amoxycillin (Amoxicillin) på nett, köpa Amoxycillin (Amoxicillin) online, you'll need higher coverage.) For Java code, you can measure code coverage  (and observe the detailed results, line by line of code) using any number of commercial and open source tools, including IDE plugins. Buy Amoxycillin (Amoxicillin) Without Prescription, One such useful, good-enough open-source pair of code-coverage tools for Java is Emma and Eclemma.

The reason good enough code coverage with tests is so important is that without those tests, Is Amoxycillin (Amoxicillin) addictive, you don't know if you are introducing defects when you change the code.

Good enough code coverage does not just mean the coverage metric and other metrics. It mainly means that if you accidentally introduce a defect in existing code, some test somewhere that just ran green now runs red.

Does the code, as originally delivered to you, have 85% coverage, low dose Amoxycillin (Amoxicillin).  When you first went through the exercise, did you decrease or increase the coverage, or did it stay the same, Buy Amoxycillin (Amoxicillin) Without Prescription. How did that happen.

The Problem with Code Coverage: It's a One-Way Metric

If you measure that a codebase has 2% code coverage, it is guaranteed to be in danger. Increasingly, the industry-accepted definition of Legacy Code is simply "insufficient tests."

On the other hand, if you have 90% code coverage, Amoxycillin (Amoxicillin) samples, what does that mean. Unfortunately, in the absence of other assessment and measurement, it means nothing. Smart people have learned how to "game" the coverage metric so that they can achieve the magic, imposed high numbers with very few, very bad tests that have no real value, buy Amoxycillin (Amoxicillin) from canada. Buy Amoxycillin (Amoxicillin) Without Prescription, Only if both code coverage numbers, median module size, and median cyclomatic complexity are reasonably good for a codebase can you begin to breathe easy about it. That's because

If you have high enough code coverage, across a codebase that consists of very small classes and methods, you can almost always rescue it completely (if you need to).

Put another way:

If you have high code coverage and low median method-level cyclomatic complexity alone, your codebase is probably in pretty good shape. Amoxycillin (Amoxicillin) coupon,

Notice the word probably. It is still possible to test-drive codebases with 85% coverage and median method-level complexity of 2, and still have a very bad object model, very hard-to-understand names, and a slew of other non-trivial problems. But you can probably do something about those other problems, if truly you have 85% coverage and median method-level complexity of 2, Buy Amoxycillin (Amoxicillin) Without Prescription.

That's much of why I emphasize mastering this small list of things first, in these first few exercises: it can make the difference between a codebase that can be rescued, Amoxycillin (Amoxicillin) pharmacy, and one that truly must be thrown away and rewritten.

So what about these few other things.

Naming and Renaming

The most vital, and most subjective and difficult, Clean Code practice is the art of naming and renaming. Order Amoxycillin (Amoxicillin) from United States pharmacy, The very best writing on the subject is by Tim Ottinger (@tottinge), who covered it succinctly and beautifully in Chapter Two of Bob Martin's Clean Code book (this is one of the first books you should buy, BTW). Buy Amoxycillin (Amoxicillin) Without Prescription, Tim self-describes as more of an artist than a scientist/logician, and I think that may be why he is such a virtuosic namer. Naming and renaming are art, not science. I won't recap Tim's material here; like I said, you'll need to own the book anyway in order to make sense of this series of blog posts, purchase Amoxycillin (Amoxicillin) online.

I'll add my own naming practice, FWIW: Attempt to Rename Each Entity Three Times, at Each Contextual Change

  • When you first encounter an entity (class, field, constant, About Amoxycillin (Amoxicillin), method, local variable) that you don't completely understand at first glance, consider renaming it to what you suspect it actually means. Feel free, for especially pernicious names, to include modifiers like "perhaps," "maybe, Amoxycillin (Amoxicillin) used for," or "WTF" to the name, in order to remind you that you know this name is not quite right.

  • The next time you encounter that same entity in the context of code change, if you have now learned more about it's responsibility, rename it again.

  • Do this one more time (at least), the next time you find yourself working with the same entity, Where can i order Amoxycillin (Amoxicillin) without prescription, as the code evolves, and especially as your understanding of the underlying problem domain evolves.

  • Anytime an entity's relationship with its clients, its delegates, its home scope, or any of its context changes, it may indeed require a new name. Is some new client calling it, Buy Amoxycillin (Amoxicillin) Without Prescription. Did you change its access level or method signature, canada, mexico, india. Did you extract behavior from it. Did you move it to another class. Did it's class name change, or its class's package name. These are reasons to consider renaming it.

Basic Refactoring

The original Refactoring book by Martin Fowler does not attempt to sort refactorings Buy Amoxycillin (Amoxicillin) Without Prescription, in order of most common use, or in order of easiest to learn. That's OK. Buy Amoxycillin (Amoxicillin) online cod, Since the book was first published, the list of known, useful refactorings has continued to evolve. But learning refactorings in alphabetical order is not necessarily the most pragmatic or friendly approach.

There are a handful of refactorings that are really all you need for the scope of this series of blog posts on refactoring code to Clean Method Hierarchies. We'll cover about a half-dozen refactorings that I believe are most useful to learn first, in coming blog posts.

For today, please consider, primarily, the Extract Method refactoring, Buy Amoxycillin (Amoxicillin) Without Prescription.

The Extract Method Refactoring

Extract Method, Amoxycillin (Amoxicillin) without prescription, which most IDE's will let you attempt automatically these days, is simply about taking complex methods and extracting smaller bits of named responsibility out of them in the form of new methods. It is simply letting the pregnant cat give birth to her kittens, naturally. One of its best on-line write-ups is here. Where can i cheapest Amoxycillin (Amoxicillin) online,

Keeping Modules Really, Really, Insanely Small

Really, really small means, in Java, median method size of around 5 lines; and median class size of around 5 methods. Buy Amoxycillin (Amoxicillin) Without Prescription, Insanely small means median method size of 3 or 4 lines, and median class size of 3 methods. Again, Amoxycillin (Amoxicillin) mg, the premise is that this code has good enough code coverage.

Although there is more detail involved here (see below), and it can be frightfully hard to keep methods this small when you are not yet skillful at it, it can be astonishing what a positive difference it can make.

When modules are really, Amoxycillin (Amoxicillin) forum, really small, it begins to become magically easier to read, understand, and modify code -- especially for those who have not seen that code before, or for awhile.

Yes, this is my judgment and experience talking. It requires a leap of faith from you, Amoxycillin (Amoxicillin) photos. Please see if it's  true for you, after you have worked enough code into this kind of shape, Buy Amoxycillin (Amoxicillin) Without Prescription. And please let me know what you find.

Now onto a few deeper items behind "small modules."

The Single-Responsibility Principle (SRP)

The Single-Responsibility Principle states that every object "should have a single responsibility, and that responsibility should be entirely encapsulated by the class."  But the SRP applies equally to methods and modules at other levels of granularity and abstraction.

And as I was taught the SRP, every module should have a single responsibility means that its components all operate at the same level of abstraction. Effects of Amoxycillin (Amoxicillin), What the hell is a "level of abstraction". Buy Amoxycillin (Amoxicillin) Without Prescription,  Indeed. This is not always easily detected and policed.

Think back to the "building a garage" example in the first post. A Clean Method Hierarchy means that at each level of the "outline," each method is SRP-compliant at that level. This doesn't even really begin to make sense until you have used the Extract Method refactoring to make lots and lots of methods really, really, insanely small, get Amoxycillin (Amoxicillin).

One rule of thumb, however: if a method has more than a single level of indentation, it is not likely SRP-compliant: it likely includes code from at least two different levels of abstraction. And it likely has a Cyclomatic Complexity that is unnecessarily high, Buy Amoxycillin (Amoxicillin) Without Prescription. Nested if statements within if statements within if statements are always asking for trouble.

Cyclomatic Complexity

Cyclomatic Complexity is simple the number of discrete flow-of-control paths a module has. Order Amoxycillin (Amoxicillin) online overnight delivery no prescription, In Java, for example, every conditional statement or clause, every loop, every continue statement, and every other return point or exception clause constitutes another level of complexity.

Every method with low enough Cyclomatic Complexity is by definition SRP-compliant and small enough, Amoxycillin (Amoxicillin) online cod. Buy Amoxycillin (Amoxicillin) Without Prescription, Wherever you can, shoot for a method-level complexity of 1 or 2 (e.g., a 5-line method with a single If statement).

The reason that Cyclomatic Complexity matters so much in Agile Programming is that complex code attracts more complexity.

Code complexity is like crime in a neighborhood: it attracts more crime, which attracts more crime.

Complex code is hard code to read, hard code to test, Amoxycillin (Amoxicillin) without prescription, and hard code to modify safely. It contributes to, in Bob Martin's pattern language, the "viscosity" of code: complexity in a module, alone, can make it substantially easier to "do the wrong thing" than to "do the right thing."

As you can read at the bottom of this wikipedia write-up, there is increasing evidence that code complexity corresponds with high defect rates, Amoxycillin (Amoxicillin) mg. This is like high crime and general urban decay correlating, Buy Amoxycillin (Amoxicillin) Without Prescription. And it makes intuitive sense to agile programmers. If I cannot easily understand, test, or modify complex code, of course it provides a breeding ground for defects. Amoxycillin (Amoxicillin) australia, uk, us, usa, Defects will tend to lurk in places where they are hard to find, verify, and fix.

We need our object models, our lower level designs, our service layers, our architectures, Amoxycillin (Amoxicillin) pharmacy, our builds, and our frameworks to be as simple as possible. Unnecessary complexity is ever an enemy in code as in prose ("Omit needless words Buy Amoxycillin (Amoxicillin) Without Prescription, .").

But first, we need you to become expert at keeping the small stuff, the easier stuff, Amoxycillin (Amoxicillin) treatment, insanely simple. Learn to excel at it the way you would learn, as a classical pianist, to play Chopin etudes at insanely high speeds with insanely smooth flow. Learn to excel at it as you would practice military techniques in a safe bootcamp before you are thrown before enemy fire.

Regardless of the level of complexity and code coverage your current or eventual jobs permit, learn to turn the dials to 11 in these exercises, kjøpe Amoxycillin (Amoxicillin) på nett, köpa Amoxycillin (Amoxicillin) online, so that when you need them in a pinch, they flow like a jazz solo.

Squeeze Class

Squeeze Class is the term invented by Mike ("@GeePaw") Hill for the algorithm the exercises in the first post make you repeat, again and again:

  • Try to extract small methods from larger ones, within a single class

  • Run into variable scope problems and control flow problems and conditional logic problems that you have to fix first

  • Try to extract methods again; this time you have more success

  • Now extract those smaller methods into even smaller methods

  • Fix, at a lower level, the same kinds of problems you encountered the first time

  • Now finish extracting those smaller methods

  • Keep going until you have extracted till you drop -- you can go no further

  • Now notice, from various clues, that your class full of small methods really "wants" to be two or three or four separate classes, each with its own responsibility.

Squeeze Class is one way to refactor to Clean Method Hierarchies, SRP-compliant methods, and SRP-compliant classes.

Tracking Test Coverage and Median Complexity Together

Commercial static analysis tools like Clover will give you handy mechanisms for plotting module size against code coverage throughout a codebase, Buy Amoxycillin (Amoxicillin) Without Prescription. With Clover, it's also trivial to measure and plot complexity and coverage together.  This is a fabulous, Online buying Amoxycillin (Amoxicillin), actionable measure of how your codebase is deteriorating or improving as an asset as time goes by.

But you can measure code coverage with open source tools, and some IDEs will monitor complexity for you in real-time as well.

For the exercises from the first post, I've provided a fun, odd, useful mechanism for monitoring size and complexity called Whack-A-Method, where can i buy Amoxycillin (Amoxicillin) online. Buy Amoxycillin (Amoxicillin) Without Prescription, For code coverage, I recommend tools like Emma and Eclemma.

With and without the help of tests and tools, you will need to learn to recognize when a module is violating the SRP. Learn to spot when it is conflating and combining responsibilities that belong in different levels of abstraction. Again, in our book outline metaphor: learn when a chapter really wants to be a section, or a section really wants to be a subsection, or when a subsection needs no title at all.

Summary: Keep Your Methods Really Small, and SRP Compliant, with Low Complexity

There is a roteness and mechanistic quality to keeping methods under 5 lines, and classes under 3 or 4 methods. Paint the fence; sand the floor. That's OK, Buy Amoxycillin (Amoxicillin) Without Prescription. Practice like that for awhile anyway. A lot of new learning has this rote quality while principles and deeper meaning are internalized.

If you are truly committed to learning this Agile Programming magic deeply, you will make this leap of faith like many of us have. And after awhile, you will indeed get a feel for it. Buy Amoxycillin (Amoxicillin) Without Prescription, You will be able to spot SRP violation.

Eventually, you will go from keeping modules small in order to approximate SRP-compliance, to mastering SRP-compliance in a way that automatically results in small modules.

And then, magical things will begin to happen in your code. Magical things that you have difficulty expressing to people sometimes, much less justifying.

And if you are like me, Extract Method and Renaming will become a way of life: I use them all the time to learn new code, to learn new problem domains, to spike problems. I use them continually in production code, test code, and toy code.

Extract Method and Renaming are two refactorings that are especially useful for learning to keep software truly soft.

Next Up: We'll dive more deeply into microtests, and test-driving our KataBankOCR problem domain.

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Buy Albuterol (Ventolin) Without Prescription, What is Agile Programming, Anyway. Why Bother?

Great questions: I've tried to address them in this other post. Meanwhile, for programmers who wish to learn how to become more skillful, valuable, and excellent, Albuterol (Ventolin) gel, ointment, cream, pill, spray, continuous-release, extended-release, the paragraphs and exercises below are for you.

The Bad News: Lots of Learning, Poorly Arranged

Agile Programming with object-oriented programming languages takes a good long while to learn to do "well enough."

One chunk of practices at a time, or in a single chunk of total mastery, Cheap Albuterol (Ventolin) no rx, the books ask you to pick up technical practices, principles, and patterns:  TDDRefactoring. Clean Code. Etc, etc, Buy Albuterol (Ventolin) Without Prescription.

It's not entirely unfair to say this:

As currently described by the various books and training available, learning Agile Programming is itself a waterfall project.

Your journey will be incremental and iterative, online buy Albuterol (Ventolin) without a prescription, but the books themselves are, without intending it, phase-like. Even when they provide good tutorial, Ordering Albuterol (Ventolin) online, they provide it in the context of an isolated practice or set of practices. Too many books presume you have read the other books already. And some of them are truly only reference, with no real tutorial at all. Buy Albuterol (Ventolin) Without Prescription, Even if the learning path were better (and a better learning path is exactly what I hope to provide here), and even if you are an experienced programmer, it takes thousands of hours to master Agile Programming well enough that you can be reliably productive on a mature, healthy agile team in the real world.

"Good enough" Agile Programming skill, by that standard, where can i cheapest Albuterol (Ventolin) online, requires an amount of learning equivalent to an engineering Masters Degree, coupled with many more hours of supervised residency. You'll need to learn the material using "breakable toy" codebases, and then (in a sense), Order Albuterol (Ventolin) no prescription, all over again in real enterprise codebases. And it's a moving target: the craft keeps advancing in the direction of saving us and our stakeholders time and money, which is what all software craft is intended to accomplish.

By the way, please don't call it "TDD (Test-Driven Development)," which is one critical practice in Agile Programming, but only one practice:

Calling Agile Programming TDD is like calling a car a transmission, Albuterol (Ventolin) steet value. Trust me: you're gonna need the whole car.

The Good News: You Can Start Small

What you want is to learn a thin slice of Refactoring, along with a thin slice of TDD, and a thin slice of Clean Code, etc. One iteration at a time, one increment at a time, Buy Albuterol (Ventolin) Without Prescription. Australia, uk, us, usa, I intend to help you with a learning path that looks just like that.

So, as a programmer committed to becoming skillful in Agile Programming, where do you start. I have a suggestion that I've been marinating in for some time now. It might not surprise you, Albuterol (Ventolin) for sale, at this point, that I do not recommend starting by learning how to Test-Drive. Buy Albuterol (Ventolin) Without Prescription, Instead, I recommend starting with just a bit of Refactoring. Learn how to clean up small messes. Learn how to turn fairly small Java messes into spotlessly Clean Code. My Albuterol (Ventolin) experience, Programmers should begin by learning how to make a few methods in a couple of classes spotlessly clean, exactly because only when they are truly expert and speedy at that, will they be able to make sensible choices when faced with horrific codebases, tight deadlines, mediocre colleagues, or any two of those three, get Albuterol (Ventolin).

Once you're good at cleaning small messes, and at test-driving small chunks of code, you'll be ready for larger messes and larger test-driving projects.

Lesson One: Refactoring to a Clean Method Hierarchy

If life throws at you a decently test-protected, somewhat ugly Java class (which won't happen all that frequently, I admit), learn how to get it into a decent Clean Hierarchy of Composed Methods -- a Clean Method Hierarchy, Buy Albuterol (Ventolin) Without Prescription. This is my term for a class whose hierarchy is outlined and organized into short, Herbal Albuterol (Ventolin), clear, descriptive methods at each hierarchical level.

Get good at cleaning up small messes in this specific way, THEN learn how to test-drive a replacement for the refactored code. (In a separate post, I'll try to justify why I think this makes a good starting point; meanwhile, Albuterol (Ventolin) overnight, I'm going to ask you to make that leap of faith.)

Hierarchy: Outline Within Outline

Complex systems are naturally hierarchical, and we use outlining as a tool to help the right hierarchy emerge. Books, symphonies, Albuterol (Ventolin) coupon, organizations -- all tend to have natural hierarchies. Buy Albuterol (Ventolin) Without Prescription, (They also tend to be more network-like than hierarchical, but that's a concern for later.) If you were writing a book called How to Build Your Own Garage, would it's Table of Contents start like this.

  • Buy more two-stroke fuel

  • Fuel up the big chainsaw

  • Take down any big Willow trees out back

  • Rent a stump grinder

  • Remove the tree stumps

  • Cut the trunks into logs

  • Have logs and stump debris hauled away...

Well, I hope it would not. Like any thoughtful book author, you would likely outline your book, then re-outline, Albuterol (Ventolin) samples, then outline again.

One outline draft, translated into Java, might something like this:
But of course, Is Albuterol (Ventolin) safe, few books, like few Java classes, can get away with hierarchies this shallow. Again, being the thoughtful book author you are, you would sooner or later see that another hierarchical level is trying to emerge here, where can i buy cheapest Albuterol (Ventolin) online. It seems that buildYourGarage() really wants to be just a few methods at a larger hierarchical level than the ones above:
The rest of our hierarchy might then look like this:
Believe it or not, and like it or not, the consensus of Agile Programmers is that this is the sort of hierarchy into which we need to organize our code, Buy Albuterol (Ventolin) Without Prescription.

This is your ends, the way you want your individual classes to read when you are done test-driving or refactoring them. A class that is a Clean Method Hierarchy reads like a really well-written book outline, with clear and sensible hierarchical levels: chapters, Albuterol (Ventolin) alternatives, sections, sub-sections, and sub-sub-sections. You can see how a good author has thought through a book's natural hierarchy in a really well-organized Table of Contents.

Most Java code I read does not read this way. Buy Albuterol (Ventolin) Without Prescription, Indeed, much of it reads not like a Table of Contents, but like an Index that someone has resorted in page-number order. Like an exploded view of a car's parts, Albuterol (Ventolin) use. Like the inventory list for a large hardware store after a tornado. You get the idea.

So Again, Don't Test-Drive Clean Hierarchies First

Again, What is Albuterol (Ventolin), for reasons I'll provide elsewhere, based in my coding, coaching, and training experience, I really think you just start by refactoring code that could have been test-driven to a Clean Method Hierarchy, but WAS NOT, no prescription Albuterol (Ventolin) online. This drives home certain principles, patterns, practices, and techniques in a way that will make your test-driving more meaningful and easier to learn later, Buy Albuterol (Ventolin) Without Prescription. I predict. We'll revisit the whole idea of test-driving Clean Method Hierarchies in another post.

Some Exercises to Start With

I'll give you the following two little code laboratories in which to practice learning how to get to a Clean Method Hierarchy state. These are inspired by Uncle Bob Martin's Extract Till You Drop blog post. The rules for the Challenges are fairly simple:

  • Keep all existing tests, Albuterol (Ventolin) wiki, such as they are, running green as much as possible. Buy Albuterol (Ventolin) Without Prescription, Also try to purposefully break them sometimes, to see what kinds of coverage they give you in the code (more on that later, too).

  • Rename each entity (project, package, class, method, variable) at least twice, as you learn more and more about what it should be doing

  • By the time you are done, no method should contain more than 8 lines of code (this also applies to test methods), and most methods should be in the neighborhood of 4 or 5 lines of code, including declarations and return statements.

The "Somewhat Ugly" Challenge

Learn to start with a somewhat-ugly class (an implementation of part of a kata called the BankOCRKata), and refactor the code till it's gorgeous. Do that lots of times (dozens), several ways. Here are three ways, right off the bat:

  1. Refactor all of the methods in the AccountNumber class, Albuterol (Ventolin) canada, mexico, india, without extracting any of them to new classes. You can change variable scope however you like.

  2. Same as first way, except try not to turn method-scope variables into fields on the class. Try instead to find some other way to accomplish your method extractions.

  3. Same as first way, Purchase Albuterol (Ventolin), except extract groups of related methods to new classes however you see fit. Try to keep each class to no more than 3 public methods, and no more than 5 private helper methods, Buy Albuterol (Ventolin) Without Prescription. As you extract behavior to new classes, write new tests for the public methods in new test classes.

You can find the Java code for this first Challenge here, in the Pillar Technology github repository. It's set up to work out of the box as an Eclipse project. (BTW, Albuterol (Ventolin) cost, as I describe here, it is now wrapped up in a little testing framework called Whack-A-Method, which can help you police your compliance with the above goals as you go.)

EM-Pathy: The "Way Uglier" Challenge

Then tackle a much uglier class, and refactor it till it's gorgeous. Albuterol (Ventolin) schedule, Again, repeat this lots of times. You can find the Java code for this second Challenge here, in the Pillar Technology github repository. Buy Albuterol (Ventolin) Without Prescription, It too is set up to work out of the box as an Eclipse project.

Clean Method Hierarchy: Practices and Principles Under the Hood

In other posts, there are a few things I'll introduce you to (should you not already know them) as you learn to master this technique of refactoring classes into well-organized hierarchies. For the exercises in this post, where can i find Albuterol (Ventolin) online, I believe the list includes the following items (I reserve the right to revise this list as smart people give me feedback):

You can read about several of these in more detail in this following post.

If you practice understanding and using these and only these principles, Buy generic Albuterol (Ventolin), patterns, and practices, you can get to a point where, indeed, your methods and classes are very clean, and you have great test coverage, Albuterol (Ventolin) dosage.

And maybe, for a little while, that's not just OK, but awesome. At that point, you will be ready for different learning, Buy Albuterol (Ventolin) Without Prescription. Discount Albuterol (Ventolin),

What Not To Learn Yet

Eventually you will have to learn agile patterns, principles, and practices that touch on dependency injection, test doubles, storytesting/acceptance-test-driven development, complex object models (Gof Design Patterns, buy Albuterol (Ventolin) from mexico, small and large refactorings), databases and data modeling, continuous integration, version control strategies, Albuterol (Ventolin) without a prescription, continuous deployment, heavyweight frameworks, convention-based frameworks, concurrency, pair-programming, domain-driven design, where to buy Albuterol (Ventolin), dynamically typed vs statically typed languages, etc, etc.

But not today. Online Albuterol (Ventolin) without a prescription, In fact, not this month, nor in the coming few months. You may very well want to explore some of that material; good for you if you do. Buy Albuterol (Ventolin) Without Prescription, In the meantime, though, if you really are committed to becoming expert at Agile Programming, and if you really are puzzled about where to start, why not start by mastering the art of keeping one class gorgeously clean (which may involve breaking it up into a few classes), and gorgeously tested.

You might say that with this first bit of knowledge to master, what you are really learning to conquer is modular programming, Albuterol (Ventolin) photos. That's fine. We'll have more for you to learn later, but truth be told, most programmers in the software industry have not yet mastered modular programming as initially described well more than 3o years ago -- and Agile Programming gives us just the tools to measure how modular our code truly is.

I guarantee you this: Agile Programming Lesson One a bite-sized bit of learning to start with, and it cannot possibly hurt you. If you get stuck in the above exercises, try reading ahead to this next bit of explanation, to see if it helps.

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[Part of a series of posts on Java Selenium RC patterns I find useful.]

Adolan (Tramadol) For Sale, What we Want: Expressive, Succinct Tests

Let's say I want to test that I can log into an app. I want my Selenium RC Java test code to look something like this, Buy Adolan (Tramadol) without prescription, because I want it to read, aloud, the way I would describe actually logging in and checking that everything went mostly OK:
Several techniques make this possible, Adolan (Tramadol) wiki, but the one we will focus on in this blog post is the notion of a self-verifying PageObject, Japan, craiglist, ebay, overseas, paypal, which is essentially a "testable representation" of an actual web app page we wish to traverse, manipulate, and test, buy cheap Adolan (Tramadol) no rx. So my LoginPage class, Adolan (Tramadol) overnight, above, allows me succinct manipulation of the corresponding login page in the system under test.

Note that this test knows nothing about Selenium, comprar en línea Adolan (Tramadol), comprar Adolan (Tramadol) baratos. Indeed, Where can i find Adolan (Tramadol) online, neither does the LoginPage class (below). More on that later, Adolan (Tramadol) For Sale. Note that this test does not include any waitUntilPageIsFrickinLoaded() calls, nor (worse) Thread.sleep() code, Adolan (Tramadol) class, and very little direct instantiation of PageObjects. Where can i order Adolan (Tramadol) without prescription, The page flow mechanics is encapsulated elsewhere. Note also that as I go from page to page, I don't explicitly assert that I got there, Adolan (Tramadol) from mexico. I shouldn't have to. Adolan (Tramadol) For Sale, My test should be able to take that for granted. It turns out that assertions are being made under the covers about having arrived successfully on intermediate pages, but that code is abstracted away. Adolan (Tramadol) no prescription, That's what this post covers.

The only useful assertion in the test proper is that, once I have logged in with proper credentials, Adolan (Tramadol) gel, ointment, cream, pill, spray, continuous-release, extended-release, I arrive safely at the homepage (and even this assertion in the test is redundant, Ordering Adolan (Tramadol) online, and included here only to reveal intention; the DashBoard page is also self-verifying).


A test as short and expressive as the one above passes the "glance readability" test. Anyone familiar with automated testing semantics, Adolan (Tramadol) long term, and the biz language of this CRM domain, Adolan (Tramadol) over the counter, ought to be able to grasp what this test does at a single glance.

Suffice to say, we want our Selenium RC tests, as much as they can, to be this succinct, Adolan (Tramadol) For Sale. And, again, generic Adolan (Tramadol), that requires that they stick to expressing page traversal and manipulation in the local biz-specific language of the web app's business domain. So, Rx free Adolan (Tramadol), finally, let's see the under-the-covers page self-verification mechanics.

PageObjects as I Use Them

The selenium-rc-patterns sample Java codebase that illustrates all of the patterns in this series of posts talks to a localhost copy of a Rails project called Fat Free CRM, effects of Adolan (Tramadol). If you want to learn a bit about this app, Australia, uk, us, usa, you can play with a hosted sample version here (you have to sign up for an account first, which is easy).

This CRM system has discrete web pages like a Dashboard (home page, Adolan (Tramadol) for sale, essentially), Adolan (Tramadol) steet value, and pages for Tasks, Leads, Campaigns, buy generic Adolan (Tramadol), Contacts, Cheap Adolan (Tramadol) no rx, Accounts, and Opportunities. Adolan (Tramadol) For Sale, For each of these actual, production pages, my selenium-rc-patterns Eclipse project contains a matching PageObject with methods and fields that provide access to the services on that page.

Above, after Adolan (Tramadol), when you ask an instance of a LoginPage to login(username, Adolan (Tramadol) blogs, password), then the TextFields and PageLink type know how to return us a PageObject that should then be cast to a DashboardPage and returned. (More on that in another post.)

Selenium RC developers have been using a PageObject pattern for awhile, Adolan (Tramadol) dangers. The pattern dates back, Adolan (Tramadol) schedule, at least, to the original HTMLUnit, whose API rather strongly encourages you to represent your pages under test as extensions of what it calls an HtmlPage. I don't use Se 2 yet (might someday, purchase Adolan (Tramadol), might not), Where to buy Adolan (Tramadol), so I don't use its PageFactory pattern.

Instead, I use my own PageObjects that extend a BasePage (or BasePane), herbal Adolan (Tramadol), partly so that I can control how and when PageObjects are instantiated, Purchase Adolan (Tramadol) online no prescription, and verify automatically and ambiently on instantiation that Selenium is indeed on that page. Again, that's much of what keeps the above test code so simple: I'm not explicitly waiting for a page to load, and I'm not asserting all over the place that I've successfully arrived on a given page, Adolan (Tramadol) For Sale.

So, my LoginPage class has a login() method that accepts a username and password (we'll cover the return types of these fields and methods in another post that describes how page-flow works):

Verifying That the Production Page has Been Loaded

The real point of my flavor of PageObject pattern is the self-verifying bit, purchase Adolan (Tramadol) online. Let's dive into that -- not later, Order Adolan (Tramadol) from mexican pharmacy, but now.

Note that each of these PageObjects extends BasePane, and has a PAGE_IS_LOADED_CSS constant:
In the LoginPage constructor way above up there, Adolan (Tramadol) used for, you can see we first explicitly call super() on BasePane. Adolan (Tramadol) without prescription, Here is BasePane:
You can see that this constructor calls waitUntilLoaded(), which makes a static call to a method on our BrowserDriver (the Facade / Decorator that handles all of the actual Selenium calls) in order to loop until our LoginPage (in this case) actually is loaded. Adolan (Tramadol) For Sale, The argument supplied is the result of calling getPageLoadedCssLocator().

But wait. That's an abstract method. So Yes, we have something very like a template method pattern here in waitUntilLoaded(): the concrete implementation of getPageLoadedCssLocator() on LoginPage returns that PAGE_IS_LOADED_CSS constant String.

Deep, deep under the covers, the BrowserDriver.waitForElementIsVisible() method looks like this:
We'll discuss the BrowerDriver class at length elsewhere. And we'll also discuss the injectJqueryIfAbsent() method, which we hope an upcoming Selenium RC release will obviate.

The upshot of the waitForElementVisible() method and the LoginPage and BasePane code above is that the LoginPage object will not successfully finish instantiating until Selenium can successfully verify that a unique element on that page has been loaded. In other words, once a LoginPage instance is loaded in memory, we actually are on the LoginPage, by definition, as long as that CSS element selector syntax is correct, Adolan (Tramadol) For Sale. Voila, automatic, ambient page flow assertion.

This is much of how we get our test methods so succinct. The PageObjects take care of verifying for us, at instantiation, that we have safely arrived on their corresponding production app web pages.

Caveat Lector: there is a flaw in my code I have yet to squeeze out:  duplication between a BasePane, used above, which I usually use for dynamic changes in the HTML, and a BasePage, which presumes that a real HTTP Request/Response cycle has occurred. I will collapse those two together shortly.

Next: we'll talk about reusable HTML Element objects, and how the linkish ones know, in my code, how to return the PageObject we wish to traverse to next.


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Albuterol (Ventolin) For Sale, Long Live Storytests, Dang Blast It

The recent claims made by a well-known agile coaching thoughtleader notwithstanding, I work hard to get clients to adopt real Storytesting practices, with real Storytesting tools (FitNesse is still my tool of choice; I work mostly with Java teams). I will continue to do so. I find no false economy or Faustian bargain with FitNesse tests, where can i cheapest Albuterol (Ventolin) online, and I suspect it is because I am coaching the use of them differently than James Shore is. Order Albuterol (Ventolin) online c.o.d,

Manual Regression Testing = Really Bad Thing; Agreed

Regression testing of any kind is classically about proving that we are Building the Thing Right. For true regression protection purposes, I want manual regression tests to be replaced with a requisite blend of automated tests (using the testing triangle pattern for allocating test automation resources) plus a requisite amount of manual exploratory testing.

Whoa Nelly: Storytests Are Not About Bugs

But Storytesting / Automated Acceptance testing is really an entirely different kind of testing, what is Albuterol (Ventolin). It is indeed an unaffordable way to attempt to prove that we are Building the Thing Right, but in my experience, the perfect way to prove that we are Building the Right Thing, Albuterol (Ventolin) For Sale. I want these kinds of tests to simply demonstrate that we mostly got the scope and Definition of Done right for a given story. Albuterol (Ventolin) pictures, This is a far cry from all of the edge cases and unhappy paths that make up complete regression protection for a story.

If, as James claims, Albuterol (Ventolin) results, clients are trying to use Storytests for what they are not good at, Where can i buy Albuterol (Ventolin) online, I stop it. I suggest other testing avenues for regression protection.

This difference really is critical.  Albuterol (Ventolin) For Sale, Storytests merely tend to prove, better than anything else, that we got the story done.

Granted, a story is not Done Done Done until we have squeezed all the defects out of it. I hope to heck the bottom of my testing triangle, buy Albuterol (Ventolin) from mexico, where the giant, Albuterol (Ventolin) cost, high-speed suites of tiny little xUnit isolation tests / microtests live, does the lion's share of the regression protection for me. Yes, buy cheap Albuterol (Ventolin), TDD/BDD are design practices. Albuterol (Ventolin) natural, AND, only from my cold dead hands will you pry the regression protection those tests/specs provide me. Please, cheap Albuterol (Ventolin), please, Albuterol (Ventolin) interactions, don't try to use FitNesse for that work. Wrong tool, man, Albuterol (Ventolin) For Sale.

The Benefits of a Precise, Deterministic Definition of Done

So if I do have awesome xUnit test suites (and a bit of other regression protection) to prove we have Built the Thing Right, Albuterol (Ventolin) canada, mexico, india, my Storytests need only prove, Low dose Albuterol (Ventolin), to some customer-acceptable extent, that we have Built the Right Thing. What benefits do I give up if I give up this use of Storytesting, fast shipping Albuterol (Ventolin).  Well, About Albuterol (Ventolin), I have a list, but here is the number one item on it:

  1. My best tool for story breakdown. You want me to prove that a story in a web application without browser-resident behavior got done as estimated in this Sprint, Albuterol (Ventolin) trusted pharmacy reviews. Albuterol (Ventolin) For Sale, Some small increment of useful service layer code or biz logic or whatever.  Storytesting is the first thing I reach for. Buy Albuterol (Ventolin) no prescription, Without that practice, I have teams (especially new ones) presuming that stories can only be as small as the smallest bit of browser resident behavior they evidence. That is a truly horrible thing, Albuterol (Ventolin) treatment, because then my stories can clandestinely grow to ginormous size. Albuterol (Ventolin) coupon, This leads, in turn, to late cycle iteration surprises ("Uh, is Albuterol (Ventolin) safe, it turns out that we just found out that this 6 foot-pound story is really gonna be something like 67 foot-pounds. It won't be ready for the verification meeting tomorrow.")

    Heck, one recent team I coached had an app with no GUI-evident behavior anywhere, Albuterol (Ventolin) For Sale. Albuterol (Ventolin) price, FitNesse was the perfect way for them to show progress. Indeed, to them, buying Albuterol (Ventolin) online over the counter, it now seems in retrospect that Storytesting was the only way to fly. Buy no prescription Albuterol (Ventolin) online, Without something like it, there would have been no way for product owners to verify anything at all.

Retiring Old Storytests

Large suites of automated functional tests, in any tool, online Albuterol (Ventolin) without a prescription, are notoriously expensive to maintain, Albuterol (Ventolin) brand name, especially compared to xUnit microtests. FitNesse, being a web app without in-built refactoring support for things like multiple references across tables and pages, Albuterol (Ventolin) forum, can make things worse. Albuterol (Ventolin) For Sale, (People are slapping FitNesse front ends on top of Selenium suites these days, which strike me as truly  horrible for regression suites.)

Fine. Albuterol (Ventolin) images, Storytests are functional tests. They run slow and are very expensive to maintain  Therefore let's only keep our Stortytests for as long as they are useful for verification, requirements scope, Albuterol (Ventolin) price, coupon, acceptance kinds of purposes. Albuterol (Ventolin) without a prescription, Do I really need to prove, in Sprint n+10, that I got scope correct in Sprint n, real brand Albuterol (Ventolin) online.  I suggest that I don't. That's old news, Albuterol (Ventolin) For Sale. Comprar en línea Albuterol (Ventolin), comprar Albuterol (Ventolin) baratos, Deleting old Storytest suites also applies healthy pressure on the team to derive their regression protection from healthier tests and mechanisms.

Small Groups of Stakeholders Can Learn to Collaborate on Storytests

Don't believe for a minute that this is impossible to do. I have frequently done it, Albuterol (Ventolin) street price. I am happy to show you how to do it. Albuterol (Ventolin) For Sale, Yes it is difficult, but compared to what. Albuterol (Ventolin) steet value, Teaching teams OOD.  Teaching teams TDD. Configuring a Tomcat cluster, no prescription Albuterol (Ventolin) online. Please.

I've had several successes getting small sub-teams of developers, testers, and (critically) product owners to collaborate on Storytest design and development, Albuterol (Ventolin) For Sale. No, I don't want testers writing acceptance tests alone. No, I don't think Product Owners can or should write such tests on their own either. And also, perhaps controversially, I am starting to think that good old fashioned Decision Table style permutation tables, as a Storytesting semantics, is the sweet spot for Java Storytesting. BDD step definitions, as developed so far in at least two ways for FitNesse, leave me cold: either I have several tables referring to each other in a way that makes refactoring cumbersome, or I have complex fixture code that uses regex and annotations. Albuterol (Ventolin) For Sale, I will use these things if pressed by a savvy, committed product owner, but otherwise, give me Slim Decision Tables.

Honestly, I have on several occasions found ways to craft suites of Decision Tables (nee ColumnFixture tables) so that they are plenty expressive for all concerned. I've had several teams, including product owners, fall in love with the practice and the tool. I'll keep rolling with that.

Summary: Be Careful What You Throw Away, and Why

Used as, I would claim, originally intended, Storytests / Automated Acceptance tests are a wonderful and essential tool for agile teams. More on this in later posts. I personally cannot control scope, carve stories small enough, or show deterministic enough definition of done without them.

Yes, client teams can learn to use the practice and tools improperly, in which case, it's our job to step in and suggest alternatives.

Let's try to come to agreement as a community on the ROI, the uses, and the best practices and patterns for Storytesting before we declare it dead.

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Balancing a Classic Software Duality

Zithromac (Zithromax) For Sale, In the West, we are very dual. Our opposites tend not to touch or integrate, much less balance. The true, intertwined and balanced nature of duality comes more easily to Eastern cultures than to us, effects of Zithromac (Zithromax). Opposites naturally include and oppose each other in the East. Yin includes some Yang, and vice versa, Zithromac (Zithromax) pics, as captured in the classic Taoist circular image of entwined white and black teardrops.

This balance can be hard for Westerners to grasp, but it helps us to learn balance. An odd example of Yin/Yang balance can be found in healthy programming, balanced with healthy testing, Zithromac (Zithromax) For Sale.

The Yang of Programming

Yang energy is creative, moving, active, buy Zithromac (Zithromax) without prescription, striving, masculine, intense, Zithromac (Zithromax) mg, goal-directed. It is represented by the dark teardrop in the Yin/Yang circle. Ashtanga Yoga is a classic, Eastern Yang activity. Programming is a classic Yang activity too, buying Zithromac (Zithromax) online over the counter, and in unhealthy software development environments, where programming has no Yin energy, programming is Yang out of balance. Zithromac (Zithromax) For Sale, It can become thrash, churn, movement without progress, movement with panic, creation without business value, stressful striving, aggressive striving. Is Zithromac (Zithromax) addictive, "Don't distract me with facts!" might be the battle cry of pure, arrogant, unbalanced Yang programming.

The Yin of Testing

Yin energy is witnessing, curious, investigative, herbal Zithromac (Zithromax), being, still, resting, Australia, uk, us, usa, observing, listening. The white teardrop. It can be directed or undirected -- exploratory in an improvisatory way, without making up any stories beforehand, Zithromac (Zithromax) brand name. Meditation is a classic Eastern Yin activity. You could say that the Yin of Testing is, in its purest form, perfectly skeptical and empirical, without either positive or negative expectation, Zithromac (Zithromax) For Sale. In its worst form, the Yin of Testing becomes submissive, Zithromac (Zithromax) forum, overly passive, retreating, denying, disengaged, and dissociated, Zithromac (Zithromax) class. It retreats and hides.

Balanced Yang/Yin Programming

Healthy programmming embraces its creative power and juice, while reserving some energy and disposition to witness and check its predisposition to not witness, to be biased, Zithromac (Zithromax) interactions, to blast across the observable data. TDD is a perfect tool for balancing Yang and Yin in programming. You create a small, observable goal and its criterion for empirical verification; you then engage in just enough creative Yang passionate activity to satisfy that empirical goal. Zithromac (Zithromax) For Sale, Then you pause in a Yin Testing moment to observe that you have returned to the balance of the green bar. Then you rest further in another Yin Testing moment of dispassionately observing the fact of the mess you made, buy generic Zithromac (Zithromax). Then you engage in just enough creative Yang refactoring to restore the balance of Clean Code.

Healthy programming is lots and lots of passionate, creative Yang, with just the right amount of Yin observation and Testing. Where can i cheapest Zithromac (Zithromax) online, It is creative engineering and artistic passion balanced with a bit of skeptical, empirical Science. It is the black teardrop with the small white circle at its heart.

Balanced Yin/Yang Testing

Healthy testing embraces the calm, dispassionate, empirical, deeply-concentrating power of witnessing, observing, and noting the truth of reality, without preconception, Zithromac (Zithromax) For Sale. It delights in defects not merely because it is fun to break things, but also because it is fun to find precise, Zithromac (Zithromax) cost, repeatable, deterministic discoveries of any kind. A bug is just another kind of delightful new discovery that happens not to be desirable by the customer (in most cases!). Is Zithromac (Zithromax) safe, Balanced Yin testing begins with the open, empirical, unscripted extemporizing act of manual Exploratory Testing. This demands that ET skills have already been deeply somaticized by the tester, rather like the kata of programming, Zithromac (Zithromax) australia, uk, us, usa, or like the "forms" of Tai Chi. Zithromac (Zithromax) For Sale, Before you can deeply explore the behaviors of an application, you must already have internalized the skills of that exploration. I dare say that masterful ET has a meditative, contemplative aspect to it. Discount Zithromac (Zithromax), You allow the application, as it truly is, to you draw you in, without agenda, without story, cheap Zithromac (Zithromax).

And, healthy Yin testing is then balanced by the passionate Yang activity of test automation. Automating regression happy paths and unhappy paths is such a Yang activity. Another balancing Yang activity is courageously sharing results with programmers, and with the team, Zithromac (Zithromax) For Sale. Zithromac (Zithromax) alternatives, The best testers, Agile Testers, are powerfully creative in their own right as Yang programmers. But their Yang programming tends to serve their Yin goals of observation, gathering empirical results, order Zithromac (Zithromax) no prescription, witnesssing. Balanced Yin testing: the white teardrop of observation with the small black dot of Yang creation at its heart.

Balanced Testing/Programming: Conversations and Careers

Programmers can and should consider transitioning to periods of at least partial self-identification as testers. Zithromac (Zithromax) For Sale, Spend 10,000 hours at it. Buy Zithromac (Zithromax) online no prescription, Let your first 10,000 hours be Test-Driving and refactoring Clean Code.

Also consider becoming, for awhile, an Agile Tester. You think you understand every aspect of software testing, fast shipping Zithromac (Zithromax), and how important all of the kinds of testing are. Rest more fully in the Yin of Agile Testing for a few days, weeks, Zithromac (Zithromax) overnight, iterations, or years, and think again. (Also, do not make up stories that this is somehow beneath you, or insufficiently challenging or stimulating, doses Zithromac (Zithromax) work, or not worthwhile, unless and until you have tried it in good faith, and found that to be so.)
Testers, Zithromac (Zithromax) dangers, on the other hand, should consider mastering much of the inherent craft demanded by healthy professional programming. Spend 10,000 hours at it. Let your first 10,000 hours be finding ways to write beautiful automated tests, especially Storytests, Zithromac (Zithromax) For Sale. Embrace the Yin and Yang of bringing together small communities of customers, kjøpe Zithromac (Zithromax) på nett, köpa Zithromac (Zithromax) online, programmers, testers, and others to write Storytests as an excellent Definition of Done.

Also consider becoming, Cheap Zithromac (Zithromax) no rx, for awhile, an Agile Programmer, or a Software Craftsman. You think you understand all of the craft and technical depth and pure creative striving required to test-drive all manner of production implementations through all manner of technology stacks, with least defects and cleanest code, about Zithromac (Zithromax). Strive powerfully in the Yang of Agile Programming and Software Craftsmanship for a few days, weeks, iterations, Zithromac (Zithromax) blogs, or years, and think again. (Also, do not make up stories that you cannot do that, unless you have already tried in good faith, online buying Zithromac (Zithromax), and failed.)

It's Already Happening

Agile Programmers and Agile Testers are already learning to pair on Storytests, to pair on Definitions of Done, to pair on design, Ordering Zithromac (Zithromax) online, to pair on implementation, to pair on testing. Zithromac (Zithromax) For Sale, Programmers and Testers are already learning to balance their Yang and Yin through good faith conversation, good faith learning, and the softening of old, rigid boundaries, role definitions, and personality types.

Balance is possible between programming and testing, and it may help us to remember and honor our natural inclinations as Programmers and Testers as we work toward that balance. As programmers we are Creators, Engineers, Artists, Zithromac (Zithromax) coupon. As testers we are Observers, Skeptics, Research Scientists. Zithromac (Zithromax) photos,

Let it Happen More On Your Team, In Your Career

And one avenue of balance, for the very brave and perhaps very advanced, is to push ourselves past our old internal stories about our inclinations and limitations. Specializing Generalists can shift their specialties occasionally. Creators: I dare you to master Observation. Obvservers: I dare you to master passionate Creation, taking Zithromac (Zithromax).

In the future, as teams become increasingly agile and healthy, I hope we will see a natural flow back and forth between the communities of those who self-identify as Testers, and those who self-identify as Programmers.

Because balance is better than good. Balance is at the heart of true excellence.

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Amoxicilina (Amoxicillin) For Sale, By way of even more background, my original post on this topic is here.

Patterns are Emerging

In response to several comments and conversations with people in the industry, several of us, most recently Chris Beale, Gary Baker, buy Amoxicilina (Amoxicillin) online cod, John Huston, and Daryl Kulak, have been converging on a definition of this new role, Amoxicilina (Amoxicillin) online cod, this new variety of leadership that we want agile teams to have. Many others are also involved in the conversation by now; too many to list here. The more we talk about it, the more comments we receive, the more all of us can see what we want. We are not in complete unanimity, Amoxicilina (Amoxicillin) australia, uk, us, usa, by any stretch. Some folks think we are smoking crack. Not the first time, Amoxicilina (Amoxicillin) For Sale. But most of us in the conversation can see useful patterns emerging. Purchase Amoxicilina (Amoxicillin) for sale,

This is a Big Role

We can also see that this is quite  a lot of skill, experience, leadership, and sheer work to expect of one person. So part of my premise goes like this: the Agile Team Lead is the person that is ultimately accountable for ensuring that this work gets done, buy Amoxicilina (Amoxicillin) no prescription. Depending on how the skillsets, preferences, team maturity, Amoxicilina (Amoxicillin) interactions, and other factors shake out for a leader and his/her team, the Agile Team Lead may well end up delegating much leadership to others (and other, subordinate leaders) within the team (the key phrase there being "within the team."). Amoxicilina (Amoxicillin) For Sale, So an Agile Team Lead might very well delegate to a Tech Lead, to an Agile Test Lead, to a Project Tracking Lead, to a Continuous Deployment Lead, etc., to cover off concerns. Whatever. The main point, kjøpe Amoxicilina (Amoxicillin) på nett, köpa Amoxicilina (Amoxicillin) online, of course, is that the buck stops with the Agile Team Lead. That person is, Purchase Amoxicilina (Amoxicillin) online no prescription, for whatever duration they are lead, the single wringable neck (for all responsibilities owned by the team itself).

This Role Must Emerge From Within the Team, and Must Satisfy All Stakeholders

So, while I am decidedly talking about DESIGNATING a person to act as the team lead, about Amoxicilina (Amoxicillin), I am decidedly not talking about a traditional manager being imposed, permanently, from above, Where to buy Amoxicilina (Amoxicillin), by fiat. There can be no Agile Team Lead designated FOR a team that does not know, admire, trust, respect, and like that person, Amoxicilina (Amoxicillin) For Sale. Really, the final say in who leads the team should be the team's.

This Role Should Likely Rotate

This may be something we want several team members to try out, to get good at, order Amoxicilina (Amoxicillin) online c.o.d. Team members could rotate through it, perhaps on a fixed schedule.

This Conversation, Amoxicilina (Amoxicillin) without a prescription, Um, Leads to a Few Others

I'd like to postpone to another series of blog posts, (already underway, however), the thorny issues around the enterprise structural implications that arise from this new role, Amoxicilina (Amoxicillin) gel, ointment, cream, pill, spray, continuous-release, extended-release, and related observations. Amoxicilina (Amoxicillin) For Sale, Suffice it to say, for now, that I personally don't know how to make agile teams work, nor how to make this role of Agile Team Lead work, unless everyone in the team room reports directly to the Agile Team Lead, and no-one else. I mean that that one person is accountable for all of the incentive structure, performance evaluation, Herbal Amoxicilina (Amoxicillin), and (in large part) the hiring and firing for everyone on the team. This does not, again, mean that they own it entirely, nor that they do it permanently, buy Amoxicilina (Amoxicillin) without prescription.

One other premise: we are deliberately attempting to erase old agile team management role and responsibility labels, like Scrum Master and Project Manager, which we increasingly believe to be fundamentally broken. Where can i buy Amoxicilina (Amoxicillin) online, We find the controversy around this topic to be perfectly matched to the stakes involved for the enterprise: our current patchwork of agile team management and project management and product ownership and process improvement management consists of more holes than cheese. Too many team-level concerns go unmet; too many stakeholder concerns go unmet; too many user and market concerns go unmet, Amoxicilina (Amoxicillin) For Sale. We have been in denial about this shortfall. Let's give up that denial.

Love it or hate it, we need a paradigm shift around agile team leadership, Amoxicilina (Amoxicillin) coupon. We need that leadership to be better consolidated, better focused, better defined, Amoxicilina (Amoxicillin) from canada, and better matched to the dialectic between internal team needs and external stakeholder needs. Amoxicilina (Amoxicillin) For Sale, We need one person who is held accountable the extent to which an agile team's authority and responsibility are, in fact, congruent.

And we need none of that to violate the principles of self-organizing teams, leadership arising within the team, and teams owning the team's concerns. The team owns all of these things, Amoxicilina (Amoxicillin) pictures, but the team lead is accountable for the team actually delivering it. Like I said, thorny. Canada, mexico, india,

Summary: What we Want in Our Agile Team Lead

Most of the following is in summary, bullet-point form, with a bit of explanatory text. We're still mainly starting this conversation; much is left to be done to think this through from the perspective of the team itself, from the perspective of "continuous improvement," from the perspective of individual Releases/Projects being executed well, from the perspective of Product Owners and Portfolio Owners, from the perspective of all of the different natural roles, responsibilities, skills, learning styles, and personality types that the team needs, Amoxicilina (Amoxicillin) For Sale. These is just another draft sketch of the responsibility categories of this specific leadership role.

I suspect there are still several holes in our thinking, Amoxicilina (Amoxicillin) pharmacy, several bits of overlap, and perhaps some false premises. No matter. Taking Amoxicilina (Amoxicillin), It's out here now for us all to discuss. Amoxicilina (Amoxicillin) For Sale, Better in front of your eyes here in public, than lurking, not yet "perfect," on someone's laptop.

Continuous Leadership

  • Understand the goals of the organization, and the exact ways in which the team furthers them

  • Provide a single point of leadership for the team; continuously wins the team's implicit and explicit trust and admiration. Builds a "safe container" for the team within which work can be done creatively, collaboratively, japan, craiglist, ebay, overseas, paypal, honestly, accountably, and joyfully.

  • Helps continuously build trust and respect between the team and its stakeholders (in a way that buys more and more freedom to speak up, Buy Amoxicilina (Amoxicillin) from mexico, freedom to experiment, freedom to "fail," freedom to learn).

  • Provide a single point of team accountability to the team's stakeholders (in a way that ensures a single, coherent message to stakeholders about any team commitment about what went well, and what did not go well, online Amoxicilina (Amoxicillin) without a prescription, how it happened, and why).

  • Helps continuously improve internal team-cohesion: this includes mutual respect, mutual trust, Order Amoxicilina (Amoxicillin) from mexican pharmacy, morale, rapport, celebration, accountability, fun, generic Amoxicilina (Amoxicillin), and affection (yes, we have to like each other).

Continuous Planning

  • Ensures that the team is making more and more accurate and precise commitments.

  • Ensures that the team is delivering more and more predictably on its commitments.

  • "Gets the lights on," in every area of process and practice, Amoxicilina (Amoxicillin) from mexico, and ensures everything is "big and visible," both tactically within the team, and for purposes of publishing to external stakeholders.

  • Identifies, gathers, and acts tactically on meaningful performance/progress metrics

  • "Makes the plan the bad guy": ensures that Definitions of Done, online buying Amoxicilina (Amoxicillin) hcl, short-term scope, long-term scope, deadlines, Australia, uk, us, usa, quality measures, and all other commitments are expressed in "plans" that remove moral judgment and blame from continuous improvement. Plans include code, tests, cards, Amoxicilina (Amoxicillin) without prescription, and other artifacts. The goal is to create an environment in which mistakes are expected, any shortfall is cheap and easy to learn from, Amoxicilina (Amoxicillin) street price, and everyone's reflex is to refine the "plan," not to point fingers of blame.

  • Drives Commitment-making for and with the team. This includes ensuring that the Definition of Done for any small or large commitment is precise enough and deterministic enough to reduce risk of misunderstanding, scope creep, and under-delivery as much as possible.

  • Ensures that the plan changes with demand/supply.

Continuous Execution

  • Monitors/manages team velocity/throughput, Amoxicilina (Amoxicillin) For Sale. This includes work breakdown practices, estimation practices, tracking practices.

  • Reports meaningful metrics/data within the team, Amoxicilina (Amoxicillin) dangers, tactically, and likely publishes different metrics/data outside the team to external stakeholders.

  • Gets the team the resources it needs to deliver on its commitments; removes roadblocks

  • Escalates blockages effectively. When the Agile Team Lead cannot unblock something, Cheap Amoxicilina (Amoxicillin), he or she escalates the issue to someone with the authority to remove that blockage, and makes clear to all stakeholders what the risks are of leaving that issue unblocked.

  • Keeps flow, momentum and focus in the team.

Continuous Risk Reduction

  • Continuously identifies short-term risks (both Sprint-scope and long-term, Release-scope and Portfolio-scope) across the full spectrum of people, process, Amoxicilina (Amoxicillin) overnight, technology, structure, and culture.

  • Makes risks and potential impacts big and visible to the right people. This is another example of "Making the Plan the Bad Guy."

  • Ensures that risk reduction is integrated into planning and execution

  • Measures the effectiveness of risk avoidance and the impact of unmitigated risk.

Continuous Improvement (Agile Coaching)

  • Drives the improvement the overall Definition of Done (at each level of commitment scope, from the Story through the Release, and perhaps beyond). This has the effect of improving the quality of commitments, building a habit of overdelivering, building stakeholder trust, smoothing the flow of work (with fewer and fewer scope misunderstandings, production defects, and other "unplanned work phases").

  • Senses where performance breakdowns are occurring

  • Creates big and visible means for measuring breakdowns

  • Interprets data to identify biggest opportunities for improvement.

  • Works with team to identify and implement improvements. Amoxicilina (Amoxicillin) For Sale, This obviously includes owning a retrospective practice, and also includes owning the effectiveness and accountability culture around a reliable pattern of Inspection and Adaptation. It includes things like helping the team learn the difference between ego-based whining and team-based servant leadership, and the difference between vague negative generalization and concrete improvement proposal.

  • Investigates and learns emerging practices from other teams, organizations, and communities.

OK, so once more, some disclaimer. This is work in progress. Expect more posts, other venues of conversation. Meanwhile, we welcome, indeed we desperately need, your input.

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The Old Atomic Unit of Production: the Project

Zimulti (Acomplia) For Sale, I came up in a software industry in which the atomic unit of production capacity was The Programmer. Programmers were largely assigned, as needed, to ephemeral entities called Projects. Yes, it had a Taylorist mechanistic undertone, and often still does. Order Zimulti (Acomplia) no prescription, Cut to scene: The Project Manager whisks into the Development Manager's office and declaims, rather like a Hollywood casting director, "Well, you need to get us Joe and Terri for the Melathobner Project. We can't do it without them, Zimulti (Acomplia) over the counter. It just won't work without them."  (Lots of action films have the word "Project" right in the title.  Coincidence, Zimulti (Acomplia) For Sale.  I think not.)

As a film crew comes together once, against tremendous odds fought by various producers and directors, Low dose Zimulti (Acomplia), to birth a film production, so have I seen most projects run. As if after this project, the world might end. As if after this project, Zimulti (Acomplia) dosage, we could all retire. As if deep down in their hearts, stakeholders and managers secretly believe this: "The idea that this project might actually make it out the door on-time, My Zimulti (Acomplia) experience, under-budget, with few defects. Zimulti (Acomplia) For Sale,  That's hilarious."

Then, at miraculous Project conclusion, all cast and crew return to their structural silos (their true homes). Then off to the next Project. Emergency permeates the whole mechanism. Whoa, Zimulti (Acomplia) price.  This next Project might be the one that finally kills us all.

Project: Wrong Atomic Unit of Production?

Even if a product or system might persist for years, each of its major releases (sequels, in fact) is typically still a Project, Zimulti (Acomplia) For Sale. Most software projects still have this one-time, heroic, Zimulti (Acomplia) from canadian pharmacy, desperate, fire-and-forget feel to it. This very narrow focus, this "goal obsession" on the part of project managers was recently described well here. Certainly there are Project Managers who are better than that, Zimulti (Acomplia) treatment, and focused more broadly on notions of business value flow, portfolio, market differentiation, After Zimulti (Acomplia), team productivity, context switching costs. They are the exception, partly for reasons I cover below.

One or the root cause issues here is this: Zimulti (Acomplia) For Sale, as an atomic unit of production, Projects can be inherently bad. And, is Zimulti (Acomplia) safe, as I'll discuss later, fundamentally different than an alternative granule: the Release. First, Zimulti (Acomplia) maximum dosage, let's go to a military metaphor, which is always galvanizing.

Corporate Silos: 14th Century Italian Civil War Between City States

Meanwhile, what, in the context of software Projects, Zimulti (Acomplia) alternatives, is the corporate atomic unit of budget authority, responsibility, and power. Zimulti (Acomplia) used for, The structural silo. Ouch. We have somehow evolved default software development structure and process that seem to quietly mimic 14th Century Italian feudal warfare, Zimulti (Acomplia) For Sale.

Our structural silos, under their various VPs and Directors, are capable of behaving like city states. People who report up through Architecture, Zimulti (Acomplia) blogs, Development, Production Deployjment/Support, DBAs, No prescription Zimulti (Acomplia) online, QA, Facilities, etc -- are typically most loyal to their role and responsibility silos. How could they not be. That is how they have been incentivized and empowered, Zimulti (Acomplia) samples. Zimulti (Acomplia) For Sale, They represent abstract notions of "quality" and "architecture" and "programming," divorced from the very real, complex, organic, end-to-end needs of the enterprise (or worse; more below).

None of these silos owns the proper flow of business value through the organization. You could say that our corporate Italy has insufficient representation and incentive for its larger, nation-sized concerns. Zimulti (Acomplia) natural, It's OK with our corporate Firenza if Italia perishes, as nonsensical as that seems at first blush.

None of the city states owns whether we are reducing costs and increasing revenues for the entire enterprise. Indeed, I have frequently seen these city states incentivized to combat cost reduction and revenue increase, in order to gather more resources and power to themselves, Zimulti (Acomplia) For Sale. QA is incentivized to find bugs, and find them they do; their weapon of choice: the bug report system, Zimulti (Acomplia) long term. Architecture is incentivized to represent the bigger picture, the technology future; their weapons of choice: Visio and PowerPoint. And so on. Zimulti (Acomplia) brand name, It's a fabulous buck-passing machine at best and, (segue alert. Zimulti (Acomplia) For Sale, New metaphor) at worst, as if some corporate departments are like parasites feeding on the enterprise as host organism.

Note that I am not saying that the enterprise does not need to address the concerns and skills and worldviews traditionally represented by architects, testers, production deployment and configuration experts, Zimulti (Acomplia) trusted pharmacy reviews, project managers, etc. I am not against all specialization. Zimulti (Acomplia) schedule, But meanwhile, again and again, the Project Managers assemble these temporary Waterfall initiatives, using the best go-to condottieri (think "Ronin") they can find, and lead them through Waterfall-phase silo-gauntlets, is Zimulti (Acomplia) addictive, one at a time. As the project winds down, the temporary allegiances dissolve. Back everyone goes to their little city-state, Zimulti (Acomplia) For Sale. Rx free Zimulti (Acomplia), So, as I'll discuss, what I increasingly question is the idea of empowering structural silos that represent sets of skills, concerns, and worldviews, Zimulti (Acomplia) forum, using budgets, hiring authority, etc. Order Zimulti (Acomplia) from United States pharmacy, If that's how the money flows, into these little city states, I think you should expect your own little replay of the 14th Century Italian civil wars.

Voila, Disruptive Change:
The Agile Team as New Atomic Unit of Production Capacity

So we have this existing corporate socio-economic fabric: Projects being pushed, purchase Zimulti (Acomplia), against powerful odds, through this fractured system of city states. Real business value is not created as a direct result of this fabric, Zimulti (Acomplia) no rx, but despite it. Zimulti (Acomplia) For Sale, People strike backroom deals. A barter economy of favors breaks out. Grudges arise, and are repaid. It is, Zimulti (Acomplia) pics, to my mind, more ugly than pretty.

And then along comes this notion of a self-organizing, Zimulti (Acomplia) class, empowered, cross-functional, high-discipline, highly-skilled Agile Team, as the new fundamental unit of production capacity, order Zimulti (Acomplia) online overnight delivery no prescription. We're going to mow down all these cube walls, bring all of these people in from their various city states, several of whom quietly loathe each other, and ask them to form a cohesive team, Zimulti (Acomplia) For Sale. We're going to ask them to sit with each other, deliver measurable business value in a steady flow together. Form, Zimulti (Acomplia) price, coupon, Norm, and Storm. We're going to ask them to treat this new team space, not like a brief Project-scope visit to a kind of summer camp, but as their permanent home, comprar en línea Zimulti (Acomplia), comprar Zimulti (Acomplia) baratos. We're asking them to break their powerful, traditional allegiance to their city state. Zimulti (Acomplia) For Sale, Remove that tattoo; forget that secret handshake. Even though that's how their performance gets evaluated. Zimulti (Acomplia) wiki, That's how they get paid. No wonder it so frequently looks like a bunch of Hippie Kumbaya.

No wonder the corporate anti-bodies swarm (oops, yes, another metaphor; should have warned you), Zimulti (Acomplia) use. No wonder the first several retrospectives feel like the teacher asking the class who put the thumbtack on her chair, Zimulti (Acomplia) For Sale.

Yes, I am Over-Simplifying

To make a point, yes I am. Zimulti (Acomplia) reviews, The truth is, I have seen the above scenario more than once. The larger the organization I am working with, the worse it is, and the likelier it is to fight agility, and fight smooth business value flow.

But let's at least find a common pattern language or metaphor set for this fundamental issue of "cultural change" in the enterprise. In future blog posts, which will be about how all the Hippy Kumbaya agile team culture can actually help the entire enterprise evolve in a way that results in true competitive advantage at the enterprise level, I'll propose new terms and newish structure (not entirely my invention).

Meanwhile, though, here is my premise:

Your entire corporate socio-economic fabric might be fundamentally busted, seen through the lense of software development "Projects." You might be recreating civil war in Italy in the 14th century. This might make a great film, but it could be a terrible context within which to try to optimize how the collaborative creation of software systems (be they products out in the market wild, or internal web services) increases your revenue, or decreases your expenses.

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Buy Riobant (Acomplia) Without Prescription

Buy Riobant (Acomplia) Without Prescription, My pal Abby Fichtner, the HackerChick, blogged today about emerging agile team leadership patterns and practices, as had been reinforced for her by a recent presentation by David Spann. She lists beliefs and behaviors that, according to Spann, when held by whomever actually manages an agile team, Riobant (Acomplia) dangers, tend to help or tend to hurt. These resonated with me strongly. Doses Riobant (Acomplia) work,

Premise: It Ain't Project Management

Meanwhile, coincidentally, I had been in conversations for the last week with stakeholders about how, in an agile transition, Riobant (Acomplia) wiki, old patterns of Project Management are not a good fit. Traditional Project Managers are typically insufficiently team-focused and insufficiently portfolio-focused, Where can i cheapest Riobant (Acomplia) online, while too top-down and imperative. Agile teams and systems have long lifecycles and broadening authority and responsibility that traditional Project Managers cannot typically see, Buy Riobant (Acomplia) Without Prescription. With all due respect to Spann (with whom I think I agree nearly entirely), I would claim that, adaptive or not, Riobant (Acomplia) forum, neither the adjective "Project" nor the noun "Manager" helps the person trying to lead an agile team. The old culture and terminology are equally misplaced in an emerging agile world. Riobant (Acomplia) samples, So, true, the agile community has not had great answers to questions about who leads and manages agile teams, much less how, no prescription Riobant (Acomplia) online. So, last week, Riobant (Acomplia) reviews, when I was asked by my best Pillar pal and mentor what the main responsibility, the main tools, and the guiding principle of agile team leadership might be, I realized, buy Riobant (Acomplia) from canada, after some reflection, that I have been baking these in my head for awhile, Is Riobant (Acomplia) safe, semi-consciously. Buy Riobant (Acomplia) Without Prescription, David Spann and Abby Fichtner helped me bake them a bit further.

Premise: It Ain't Tech Leadership

The Agile Team Lead (for lack of a better role term) is not the tech lead. Many teams need formal technical leadership; many teams may grow out of this, into a pattern of entirely emergent tech leadership and architecture, buy Riobant (Acomplia) from mexico. In any case, the tech lead role is not the right role (nor is it typically, Riobant (Acomplia) pics, as Abby implies, the right skills match or personality-type match) for team leadership overall.

Premise: It Ain't Scrum Master

As Abby claims at the start of her post, focus on methodology alone, Riobant (Acomplia) pharmacy, even while there is frequently a temporary place for a certain style of such coaching, is again not the right focus for an Agile Team Lead. This is another focus that is too narrow, and too short, Buy Riobant (Acomplia) Without Prescription. Riobant (Acomplia) australia, uk, us, usa, The team should outlive its Scrum Master by years; that may be a measure of a Scrum Master's skill: the ability to leave the team in a cohesive and self-improving state. No, process coaching is not exactly agile team leadership either.

Look, canada, mexico, india.  A Man with Nine Legs. Buy Riobant (Acomplia) Without Prescription, Oh Bloody Hell, He Ran Away

We need something "completely different," however rare, in our Agile Team Lead. Here are the things I now want:

Overarching Responsibility: Optimizing Flow of Business Value

In whatever ways a team improves: technical, Riobant (Acomplia) photos, interpersonal, process, practice, attitude, where can i buy cheapest Riobant (Acomplia) online, morale -- we can measure and express them in how business value is delivered more and more efficiently, easily, Online buying Riobant (Acomplia) hcl, steadily, skillfully, and (I've seen it) joyfully. The Agile Team Lead can trace all improvements back to how well the team delivers ROI and reduces code asset TCO, Riobant (Acomplia) no rx, and back to how delighted the customer and team both are. The Agile Team Lead is in the business of knocking the customer's socks off, Purchase Riobant (Acomplia), over and over again.

Four Main Tools

The Agile Team Lead optimizes business value flow mainly with four varieties of tactic:

  1. Continuous Team Building -- this includes all of the soft, fuzzy means Spann lists, whose ends are team cohesion, buy Riobant (Acomplia) online cod, high ambient trust, high ambient respect, Riobant (Acomplia) maximum dosage, high morale, good humor, equanimity, close interpersonal connection, cheap Riobant (Acomplia) no rx. In Jazz, musicians talk about a band having so much groove that everyone can read everyone else's mind, Buy Riobant (Acomplia) Without Prescription. Reinforcing that is the Agile Team Lead's link inward toward the team (bear with my link metaphor here for a few more paragraphs).

  2. Continuous Planning -- for current purposes, Riobant (Acomplia) online cod, I mean by this all of the agile practices and patterns around eliciting, analyzing, scoping, dividing, order Riobant (Acomplia) from mexican pharmacy, prioritizing, iterating, Riobant (Acomplia) cost, planning, testing, tracking, publishing, Riobant (Acomplia) price, and delivering. The Agile Team Lead does not perform all of these practices solo, Riobant (Acomplia) natural, but leads their performance. This is how the Agile Team Lead is held to account by all managers and stakeholders outside the team. This is the outward link from the team to the world.

  3. Continuous Unblocking Buy Riobant (Acomplia) Without Prescription, -- teams continuously need outside help, resources, more team members, fewer team members, and other emergent support that they, as a team, lack the authority to achieve. The Agile Team Lead does the heavy corporate lifting to get these deals swung, to keep the team in steady flow, Riobant (Acomplia) without a prescription. This is the link from the outside world back to the team.

  4. Continuous Improvement -- The Agile Team Lead guides, without pushing, Riobant (Acomplia) results, the zillion varieties of retrospective improvements that the team does own the authority to make. This does include holding the team accountable for owning the ever-changing lists of things to be improved, and concrete improvement proposals and plans. Note that this is not the same as coaching, buy cheap Riobant (Acomplia), which may need to happen separately. Teams had better outgrow coaching, while they are never likely to outgrow a need for leadership, Buy Riobant (Acomplia) Without Prescription. These are the links from the team back to itself.

Guiding Principle: Servant Leadership

The leaders most admired in the agile community and software community, Order Riobant (Acomplia) no prescription, as in the world at large, are those who lead by giving and supporting. This is classically the root cause of a graduation from "good" to "great."

And we are learning that it is simply the most effective variety of leadership and management: collaborative, listening, is Riobant (Acomplia) addictive, deeply present, deeply respectful, Purchase Riobant (Acomplia) for sale, enthusiastic, inspiring, supportive, celebratory, Riobant (Acomplia) dosage. And certainly trusted and adaptive, as Spann claims.

The Servant Leader attaches identity to the team's abilities and accomplishments, not just to his or her own. Buy Riobant (Acomplia) Without Prescription, Spann has captured several of the beliefs and concrete behaviors that we can only get from these leaders who lead to serve, not to rule. Indeed, an agile team's Agile Team Lead must earn the team's consent to be lead. Mature self-organizing teams eventually outgrow structural, imperative command and control, imposed by fiat.

Doesn't it seem sometimes that the whole technical world is trying to go collaborative, trust-community, peer-to-peer. Aren't these same patterns emerging everywhere, in different bits and bobs. Certainly it feels that way to me. Flat is the new hierarchy; village is the new city; conversation is the new document; trust is the new currency; small is the new big.


That's my sketch so far: the Agile Team Lead, through the lense of Servant Leadership, uses Continuous Team Building, Continuous Planning, Continuous Unblocking, and Continuous Improvement to optimize how business value flows through the team.

I am still baking this one; your feedback is appreciated.

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