this post was submitted on 24 Oct 2023
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In my experience refactoring lots and lots of crappy code left by devs long gone, a dev who can write useful comments is by and large a dev who can write code clean and simple enough not to need them. If the code doesn't have informative names and clear separation of concern, chances are a comment won't help because the dev didn't really know what they did that worked in the first place.
Generally, yes. However I have been known to document exactly why I'm doing something incredibly stupid - because it's required but a stupid third party library which, despite being awful, is still better than implementing it myself as a refactor.
my boss is great in this regard and also always has to keep reminding us to write unit tests 😅