Hacker News stories for 4 AM on Sunday Dec 09, 2012

0.726 The Complete Guide to Accept Bitcoins Without Fees comments

0.724 Free exercise to learn pentesting: “From SQLi to Shell: PostgreSQL edition” comments

0.666 Better Rails errors comments

0.620 Amateurs beat specialists in data-prediction competitions comments

0.276 The End: NZBMatrix closes comments