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I always assumed that the COPY command in PostgreSQL bypassed triggers. I didn’t know that, I just assumed it. It felt correct. My experience with copy is bulk importing data and that usually meant creating either temporary tables as staging area or importing into new tables. In any case, it seems I’ve never copied data…
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Today I learned more about React memoization. I was stuck optimizing a component that was re-rendering too often and after digging a bit, some things stuck out to me. Memoization, for the uninitiated, is the process of storing the results of expensive function calls and returning the cached result when the same inputs occur again.…