Hacker News stories for 9 PM on Tuesday Feb 12, 2013

0.934 Announcing Slick 1.0 - Type-safe Database Queries for Scala comments

0.676 March 16, USPTO switches from ‘first to invent’ to ‘first to file’ comments

0.574 Apache OpenOffice : $21 Million per Day comments

0.394 Why Interaction Degrades on Dev Teams comments