How to refactor code the right way - Martin Fowler
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Last Updated: October 18, 2026
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Sample video from the Grumpy Learning screencast series " Learn how to get better results from coding agents In this video I'm going to show you the steps of the “Replace Command This is one of the most common mistakes, that cause breaking Better Pipelines: youtu.be/41LAXEKJuYY Become a Patreon and get source code access: patreon.com/nickchapsas my courses: ... Example of how a Java program can be refactored to make it easier to unit In this video we look at one of Michael Feathers' techniques for making legacy code testable, adapt parameter, from his book ... As much as we all working on greenfields projects, most of the work we actually do is on existing codebases. And existing ... AI has accelerated software entropy, making codebases fall apart faster than ever. Learn how to rescue a messy codebase