 (Python) Generator Tricks For Systems Programmer (pdf)
Reading "Hacking Scrabble (part 1)" <<a href="http://news.ycombinator.com/item?id=3347720>" rel="nofollow">http://news.ycombinator.com/item?id=3347720></a>; source, I remembered about this presentation. I learned a lot about it and thought you guys might like too.