To refactor or not to refactor
There is no such thing as too much refactoring, but there are stages in the development process that act as an impetus for refactoring. Here are a few of them.
Doing it thrice (rule of three)
When you do something the first time, you just do it to get it done. When doing the same thing a second time, you do the same thing again, though you squirm at having to repeat it. When you do it a third time, you start refactoring.
Adding new feature
When you are adding a new feature to someone else's unclear code, it is better to start refactoring it before adding the feature. Refactoring helps you understand the unclear code. Refactored code facilitates the smooth addition of new features.
Bug fixing
Bugs normally live in smelly ...
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