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William Durand:
From STUPID to SOLID Code!
August 01, 2013 @ 12:45:11

William Durand has a new post to his site sharing not only the slides from his recent presentation on SOLID vs STUPID code but the same content written out. It provides a great overview of the two concepts and some examples of what to avoid. There's also a recording of the session you can listen to via the in-page player.

Last week I gave a talk about Object-Oriented Programming at Michelin, the company I am working for. I talked about writing better code, from STUPID to SOLID code! STUPID as well as SOLID are two acronyms, and have been covered quite a lot for a long time. However, these mnemonics are not always well-known, so it is worth spreading the word.

In the following, I will introduce both STUPID and SOLID principles. Keep in mind that these are principles, not laws. However, considering them as laws would be good for those who want to improve themselves.

He starts with the STUPID concepts first - Singleton, Tight Coupling, Untestability, Premature Optimization, Indescriptive Naming and Duplication. He goes through each of these and explains why they're bad things to have in your code. He then gets into the SOLID ideals - Single Responsibility Principle, Open/Closed Principle, Liskov Substitution Principle, Interface Segregation Principle and Dependency Inversion Principle. These are a bit more complex to understand but he does a good job (complete with code snippets) of each. The slides for his presentation are also included but they're just a high level look at the same concepts from the article.

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presentation solid stupid code concepts slides recording overview

Link: http://williamdurand.fr/2013/07/30/from-stupid-to-solid-code

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