print(str[-1]): On Teaching Programming

So I’ve been learning Ruby and Rails for about a week, after avoiding it for years solely because of the ridiculous hype. Well, now I’ve learned my lesson.1 After a week, I’ve built three fairly function web applications, and one of them is basically a Ruby version of something that I’ve been working on for months. No kidding. Lately, I’ve been toying with the idea of teaching...