Those who know, know...

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When your professor spent 45 minutes explaining Big O notation and tree traversal algorithms, but you're over here just jamming everything into a HashMap because key-value go brrr. Sure, there are 57 other data structures specifically designed for your exact problem, but why waste time being elegant when you can waste memory being lazy?

First you learn to program. Then you make a recursive function. Then you forget the exit condition. And then... well, you get the idea. Or rather, you get the same idea over and over until your stack overflows and your computer begs for mercy. It's like telling someone "to understand recursion, you must first understand recursion" and watching them slowly spiral into madness.

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Content Get Better At Programming The Errors you do make are harder to find Make Fewer Errors The Errors you do make are harder to find