Ruby5 - Episode #398 - August 27, 2013 Ruby 2.0 require, GC improvement Rack Zippy gzip compressed assets faster assets Artoo 1.0 Last week, coinciding with _why Day Ruby robotics micro-framework AR Drones, Pebble watches, and Roombas Rail…

Associated Objects - NSScreencast addTargetでbuttonTappedメソッドのようなものを書かない実装 addTarget:self @selector(buttonTapped:) : for argument @selector(setRandomColor) retain cycle (viewDidLoad) __weak ViewController *weakSelf = self;…