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Refactoring: Improving the Design of Existing Code

Technology

The canonical before/after book on transforming working code into better code without changing its behavior. For DHH it is the fundamental text on how good software gets that way.

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David Heinemeier Hansson

DHH — The Five Programming Books That Meant Most to Me

“The fundamental before/after book. Here's some code that could be better, here's how to make it better.”

Second of the five books DHH names on Signal v. Noise as the programming books that meant most to him.