Название: Clean Code Cookbook: Recipes to Improve the Design and Quality of your Code (Early Release)Автор: Maximiliano Contieri
Издательство: O’Reilly Media, Inc.
Год: 2023-01-31
Язык: английский
Формат: epub
Размер: 10.2 MB
Often, software engineers and architects work with large, complex code bases that they need to scale and maintain. With this cookbook, author Maximiliano Contieri takes you beyond the concept of clean code by showing you how to identify improvement opportunities and their impact on production code. When it comes to reliability and system evolution, these techniques provide benefits that pay off over time.
Using real life examples in jаvascript, PHP, Java, Python, and many other programming languages, this cookbook provides proven recipes to help you scale and maintain large systems. Every section covers fundamental concepts including readability, coupling, testability, and extensibility, as well as code smells—symptoms of a problem that requires special attention—and the recipes to address them.
Refactoring (noun): a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing its observable behavior. Refactoring (verb): to restructure software by applying a series of refactorings without changing its observable behavior. Refactorings have evolved since Fowler’s definition. Most modern IDEs support automatic refactorings. Automatic refactorings are safe and make structural changes without changing the behavior. This book has many recipes with automatic and safe refactorings and also semantic refactors. You should apply the recipes carefully since they can break your software. If you have good automation coverage you will be confident you won’t break important business scenarios. Most modern organizations have strong test coverage suites in their Continuous Integration/Continuous Delivery pipelines.
Clean code is very important both in evolving systems like traditional Software as Service (SAS) systems and mobile apps. Even now it is more relevant in environments where we cannot push updates as fast as we wish. This includes embedded systems, space probes, smart contracts, mobile apps, and many other applications. Classical refactoring books, websites and IDEs focus on structural safe refactors. This book has some recipes for this like safe renames. But you will also find several recipes related to semantic refactors. You will need to understand the code, the problems, and the recipe to make appropriate changes.
As you proceed through this book, refactoring recipes and the variety of code smells increase in complexity. You will:
Understand the benefits of clean code and learn how to detect code smells
Learn refactoring techniques step by step
Gain illustrative code examples in several modern programming languages
Get a comprehensive catalog of common code smells, their impacts, and possible solutions
Use code that's straight to the point, favoring readability and learning
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