> How am I supposed to know that? You’re not supposed to know that. You asked a question, and this is you being told the answer. It’s very convenient that the

> How am I supposed to know that? You’re not supposed to know that. You asked a question, and this is you being told the answer. It’s very convenient that the author of the post is quite literally the world’s most prolific teacher on this topic. Makes it easy to find Karpathy. You shouldn’t be expected to otherwise know that (or else why ask if you knew). > I didn't realize variables had to be so short in C. Glad I write C++ professionally where they've added support for longer variable names. This feels like a joke but old C compilers did have variable length limits. This is part of why C historically had shorter variables than other more modern languages. Sorry if it came off rude, the internet is hard to communicate over. https://publications.gbdirect.co.uk/c_book/chapter2/keywords_and_identifiers.html https://publications.gbdirect.co.uk/c_book/chapter2/keywords...