Hacker News on 5 November 2011

• Online graduate-level machine learning course from CMU's Tom Mitchell
• Facebook detects if you are logged in Gmail
• Node.js v0.6.0 is released
• Goldman's new money machine: warehouses
• Failing with MongoDB
• Python: copying a list the right way
• If you're using Ruby trunk, regenerate your keys
• Why Lisp Will Never Win (2003)
• Dynamic Periodic Table
• $149 for a Touchpad if you sign up as a developer