Hacker News stories for 12 PM on Tuesday Sep 24, 2013

0.999 When Machine Learning meets Food Delivery Startups: Ruby Sample Code comments

0.244 Nvidia seeks peace with Linux, pledges help on open source driver comments

0.197 What to do if a bubble is starting comments

0.161 DataNitro (YC S12) Looks to Increase Power of Excel With Its Features comments

0.073 Show HN: Building a Military Spec MacBook Air Case with Long Life Battery comments