Re 12: It happens (sometimes? eventually?). It took me 15 years though until that point came. And the answer was just looking at Wikipedia and other code sample

Re 12: It happens (sometimes? eventually?). It took me 15 years though until that point came. And the answer was just looking at Wikipedia and other code samples in other languages to get some understanding of it. I also implemented it wrong and it kind of worked (not as well, but well enough) and only realized my mistake months later.