Pro-Tip (Refactoring): Prioritize Reading Code

Pro-Tip (Refactoring): Prioritize reading the code over learning about the application domain. Not so long ago, I worked with a team that was hacking a humongous (>3mloc) perl codebase with their main focus being performance. I set out to show them that the crazy crap I was showing them about TDD and refactoring would be useful. The critical call was to a method that had to update patient status using a variety of pretty complex logic. We’d brought just that […]

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