Hacker News stories for 4 PM on Tuesday Apr 23, 2013

0.542 Alcatraz - Xcode package manager comments

0.528 How to Think About Variables in C comments

0.332 Sophia Stewart: Matrix, Terminator Author Battles On comments

0.019 Bitcoin URL scheme added to HTML5 comments

0.018 Here Come the Taxi Apps for Yellow Cabs: New York Judge Dismisses E-Hail Lawsuit comments