You know that feeling. You open a legacy file, hold your breath, and add one tiny if statement. Suddenly, 1,200 tests fail. Your Slack blows up. The build is red.
Hunt, A., & Thomas, D. (1999). The Pragmatic Programmer: From Journeyman to Master. Addison-Wesley. el programador pragmatico pdf
Perhaps the most famous principle from the book is (Don't Repeat Yourself). While often mistaken as a rule against copy-pasting code, DRY is actually about the duplication of knowledge . Every piece of knowledge within a system should have a single, unambiguous representation. By adhering to DRY, developers ensure that changing a requirement or logic point only requires a single update, significantly reducing the risk of inconsistency and bugs. 3. Orthogonality and Decoupling You know that feeling