Скачать или смотреть 10 Tips for Clean Code | How to write clean programming code

We want code that is easy to understand, re-usable, and flexible. But we are always up against deadlines, so we rush, and end up with code that is messy, buggy, hard to maintain, and makes us go slower even though we’re trying to go faster.

What is clean code? In this talk I’ll provide some answers to this question, and introduce you to 10 good habits that will help keep your code clean, such as the use of meaningful names for your variables and functions, and following the “Boy Scout Rule” (leave the code cleaner than you found it). I will even try to persuade you that using a lot of code comments is a sign that there are problems with your code. I’ll also discuss the particular challenges of applying some of these techniques in the WordPress environment.

Presentation by Micheal Toppa

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Original Source:    • Michael Toppa: 10 Tips for Clean Code  

Original Author: Wordpress

As eloquently noted by Robert Martin in his book “Clean Code,” the only valid measurement of code quality is the number of WTFs per minute as represented in the below diagram:

“Are we debugging in a panic, poring over code that we thought worked? Are customers leaving in droves and managers breathing down our necks? How can we make sure we wind up behind the right door when the going gets tough? The answer is: craftsmanship.” - Robert C. Martin

There are countless examples of bad code bringing companies down or making a disaster of an otherwise good product. Some famous and (fairly serious!) examples include space rockets being mislaunched due to a badly transcribed formula (a single line was missing that meant the rocket had to be terminated 293 seconds after launch ultimately costing around 20 million dollars), or a race condition bug in a medical machine that caused the death of three people, when they were exposed to lethal radiation doses – and you think you’ve had a bad day!

The quality of the code is directly correlated to the maintainability of the product. Programming productivity has an arccotangent relationship with time.

productivity-vs-time
As features are added and changes are made, time passes and the original developers move on or forget some of the project details, or if the quality of the code is not good, changes become increasingly risky and more complex.

Programmers are really authors, and your target audience is not the computer it is other programmers (and yourself). The ratio of time spent by a programmer reading code to writing code is normally 10 to one. You are constantly reading old code in order to write new code.

Writing clean code makes the code easier to understand going forward and is essential for creating a successful maintainable product.

“Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.”- Martin Golding