Martin Fowler's "Refactoring: Improving the Design of Existing Code" is perhaps THE reference: Refactoring is a controlled technique for improving the design of an existing code base. Its essence …

Refactoring is modifying existing code to improve its readability, re-usability, performance, extensibility and maintainability. Have you ever looked at code and thought, "Wow this is a mess" or "this could …

Nov 13, 2009 · Refactoring code is a process of cleaning up your code, reducing the clutter and improving the readability without causing any side effects or changes to features. Basically, you …

Mar 24, 2010 · Are there any formal techniques for refactoring SQL similar to this list here that is for code? I am currently working on a massive query for a particular report and I'm sure there's plenty of …

Apr 6, 2026 · Refactoring questions may or may not be on-topic for Stack Overflow. Sign up to watch this tag and see more personalized content

The first is Rope, a python refactoring library that comes with a Vim (and emacs) plug-in. I tried it for a few renames, and that definitely worked as expected. It allowed me to preview the refactoring as a …

Feb 14, 2013 · Refactoring a God Class is a complex task, as this disharmony is often a cumulative effect of other disharmonies that occur at the method level. Therefore, performing such a refactoring …

May 1, 2013 · Has refactoring come to mean "Changing Code" in common context? Many answers suggest refactoring may break code, but it can't by the definition of refactoring! If it breaks code, it's …

There is no way to turn refactoring off in the settings. My guess is that the project's cache/indexes are corrupted. I had a case once where refactoring, especially renames, stopped working. A re-index …

Jan 12, 2013 · Refactoring code does have merit on its own just in terms of code quality and correctness issues, but where refactoring pays off the most is in maintenance and evolution of the design of the …