The biggest Rails code smell you should avoid to keep your app healthy
I’ve chosen the biggest (IMO) Rails code smell I encounter very often and described why it’s bad and how to fix it.
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I often disagree with what some people call “code smells” but not in this case.
Callbacks are like random landmines which make code written by the unwary blow up. Even those who write them can forget, and their code blows up too.
And the longer they’re there, the worse they smell.
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