That's a very good explanation. Thank you. One of the things I love about HN: You don't just get "you're stupid not to know that" (though you sometimes get t

That's a very good explanation. Thank you. One of the things I love about HN: You don't just get "you're stupid not to know that" (though you sometimes get that too). You also get real explanations from people that actually know things and take the time to explain it well.