Hacker News on 7 August 2009

• Signs that you're a bad programmer
• How Much Will the Post Office Put Up With?
• Python, client side: Skulpt
• Netflix Prize 2
• Tesla Says It Is Now Profitable, Ships 109 Roadsters In July
• What's on an airline baggage tag?
• Escherization
• Twitter, Facebook attack targeted one user
• Ask YC: Your favorite startups lately
• Meet CI Joe: GitHub's new Continuous Integration server