Hacker News stories for 2 PM on Wednesday Jan 02, 2013

0.879 MySQL to Redis in One Step comments

0.863 Scheme vs Common Lisp: war stories comments

0.833 SQL Injection Vulnerability in Ruby on Rails; affects all versions comments

0.552 Researchers used noninvasive tDCS to release endogenous opioids comments

0.257 Review my startup idea: One API to rule them all. comments