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I'm self-taught since age 16. I've been able to write a for- loop since age 16. Maybe it helps that I'm self taught in a pre-google, pre-stackoverflow world. Any beginning programming book will teach for-loops.

I do have gaps in my knowledge but if I lose internet access I can still be productive. I mostly google for how to optimize when some API is slow or remind myself some method name.

I just wanted to pipe up because the top comment is "I couldn't write a for-loop" and I don't want all of us who are self taught being lobbed into that category.

At my last job I regularly had to help colleagues (some who held degrees) solve issues. Strangely they had trouble starting from scratch on something new vs maintaining old code. They found the latter easier. They also sometimes chose the wrong data structures (e.g. looping through an array every time you want an item with id=x instead of just using a hashtable)




> (e.g. looping through an array every time you want an item with id=x instead of just using a hashtable)

Huh, I had almost the exact same experience with senior devs here - they were checking if elements were in a (huge) list in nested loops, instead of using a set. Switching brought the runtime from around 2 hours to 2 minutes.




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