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So You Want to Start Refactoring?

New programmers often react with dread when the word "refactoring" starts getting thrown around at standup. Maybe you've seen fellow Rubyists struggle with old code, or a colleague spend days on one module only to end up with exactly zero changes to functionality. What exactly is refactoring, and why would anyone want to do it? What are some tips for approaching a refactor, both generally and in Rails?

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