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· 5 min read
John Reilly

I'd like you to close your eyes and imagine a scenario. You're handed a prototype system. You're told it works. It has no documentation. It has 0 unit tests. The hope is that you can take it on, refactor it, make it better and (crucially) not break it. Oh, and you don't really understand what the code does or why it does it either; information on that front is, alas, sorely lacking.