Look, nobody's memorizing the syntax for reversing a string in their 5th language of the week. The dirty secret of our industry? Experience doesn't mean you've got everything cached in your brain—it means you know exactly what to Google and how to spot the good answers from the "this worked for me in 2009" garbage.
Senior devs aren't walking encyclopedias; we're just really, really good at search queries. "How to center a div" has been Googled by developers with 20 YOE more times than juniors would believe. The difference is we don't feel bad about it anymore.
Programming is less about memorization and more about problem-solving with a search engine as your co-pilot. Stack Overflow didn't become a multi-billion dollar company because we all know what we're doing.
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