Here is a good "cheat sheet" for how to do X in Y (where X and Y are in PHP, Perl, Python or Ruby): http://hyperpolyglot.org/scripting http://hyperpolyglot.org/

Here is a good "cheat sheet" for how to do X in Y (where X and Y are in PHP, Perl, Python or Ruby): http://hyperpolyglot.org/scripting http://hyperpolyglot.org/scripting It doesn't cover idioms like Tom's post, but helps me remember the basic syntax changes when jumping between these languages.