I do variant number 2 all the time. I'm not interested in pop trivia. If someone wants to consult C++ STL docs, or unix manpages, or python library docs, that's

I do variant number 2 all the time. I'm not interested in pop trivia. If someone wants to consult C++ STL docs, or unix manpages, or python library docs, that's fine. They just have to tell me they're doing it. Relying on what someone has memorized is silly.