Hacker News stories for 12 PM on Monday Nov 26, 2012

0.972 Don’t Be Pushy: 10 Useful Tips for Awesome Push Notifications comments

0.916 Testing for Beginners comments

0.564 Bank of America Telephone Access Security Hole comments

0.383 Open Source and Constraints comments

0.206 Dimsum is like head or tail, but pulls randomly from the entire file or stream comments

0.151 Poll: What databases does your company use? comments

0.016 Show HN: A souped-up HTML-based table comments