Hacker News stories for 11 AM on Tuesday Aug 21, 2012

0.996 Stack Exchange Machine Learning Contest comments

0.987 What I’ve Learned So Far (Python in 30 Days) comments

0.610 How I negotiated my startup compensation (with numbers) comments

0.500 Organizing a 24x7 bullet-proof on-call rotation with PagerDuty comments

0.425 Vicarious Raises $15M to Build Software That ‘Learns Like A Human’ comments

0.392 Cheating Or Mastering? comments