I've done a search and found that this was submitted a year ago ... http://news.ycombinator.com/item?id=123718 http://news.ycombinator.com/item?id=123718 Howe

I've done a search and found that this was submitted a year ago ... http://news.ycombinator.com/item?id=123718 http://news.ycombinator.com/item?id=123718 However, it got no comments, and replies are now closed, so I'll leave this here. Useful information, many lessons to learn. If you're not into algorithms or low level details, you can probably ignore it.