Refactoring Quotes @RefactoringQ
Excerpts from Refactoring: Improving the Design of Existing Code by Martin Fowler oreilly.com/library/view/r… Joined February 2022-
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Extract Variable Expressions can become very complex and hard to read. Variables may help break the expression down into something more manageable. They give me an ability to name a part of a more complex piece of logic; to better understand the purpose of what’s happening.
Every programmer can tell a story of a bug that took a whole day (or more) to find. Fixing the bug is usually pretty quick, but finding it is a nightmare.
If you look at how most programmers spend their time, you’ll find that writing code is actually quite a small fraction. Some time is spent figuring out what ought to be going on, some time is spent designing, but most time is spent debugging.
When you feel the need to write a comment, first try to refactor the code so that any comment becomes superfluous.
I don’t advocate trying to refactor a complicated legacy mess into beautiful code all at once. What I prefer to do is tackle it in relevant pieces. Each time I pass through a section of the code, I try to make it a little bit better
…planned refactoring episodes should be rare. Most refactoring effort should be the unremarkable, opportunistic kind.
The first time you do something, you just do it. The second time you do something similar, you wince at the duplication, but you do the duplicate thing anyway. The third time you do something similar, you refactor.
I find that if I refactor code, I work deeply on understanding what the code does, and I put that new understanding right back into the code.
Refactoring (verb): to restructure software by applying a series of refactorings without changing its observable behavior.
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.
Zeynep Nur Aktaş @zeynepnurdilek
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