Krzywda Andrzej. Fearless Refactoring: Rails controllers

Arkency, 2017. — 227 p.In Fearless Refactoring: Rails controllers I'll teach how to improve your Rails controllers in a quick and safe way. This is step-by-step guide so you won't feel lost. Every step is described in every detail, with code changes. All of that, so that you can safely refactor your codebase, even without a full test coverage.