Notes on writing code that lasts: best practices, refactoring, and engineering judgment for working software engineers.https://curiousengineer.dev/https://curiousengineer.dev/blog/copy-paste-regret/https://curiousengineer.dev/blog/copy-paste-regret/Why duplicated code is a ticking time bomb: what DRY actually means, how "identical" copies quietly diverge into different behavior, and the one caveat that keeps DRY from becoming its own disaster.Sun, 05 Jul 2026 18:30:00 GMThttps://curiousengineer.dev/blog/diff-merge-breathe/https://curiousengineer.dev/blog/diff-merge-breathe/A step-by-step field guide to real-world deduplication: find every copy, separate the bugs from the requirements, pin behavior with tests, and merge diverged duplicates without breaking production.Tue, 07 Jul 2026 18:30:00 GMT