The real point behind this is so programmers who understand trivia like singletons and recursion schemes can walk around during conferences and feel good about

The real point behind this is so programmers who understand trivia like singletons and recursion schemes can walk around during conferences and feel good about themselves for being "experts". Some of this stuff is cool and interesting, even to me -- but please don't rank people based on their inferiority of knowledge WRT to you, as you are explicitly doing