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by suc_syn
1996 days ago
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> The better you know a language, the more tempting it is to take shortcuts. When you don't know a language well enough to write really gross things that work "for now", you have to think carefully about the simplest possible solution to a problem that you can express clearly in an unfamiliar language. I have the opposite experience, the worst performance bottle necks I have had to trouble shoot are from principal engineers (and tech leads) that use medium to high level abstractions in a ruby on rails that don't actually understand what how many sql commands they are triggering by writing clever one liners that taco my db, from a rails 2.4 method that has a much better rails 5 system they don't know about. |
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