Ruby5 - Episode #450– March 21st, 2014 Prawn 1.0 Work began on the Prawn PDF toolkit in April 2008 Since 0.13 shipped in December 2013 Nobody Knows Ruby 5min video @plexus Wroc_love.rb 2014 $_ echo 'aaa' | ruby -p -e '$_.upcase' Ruby flip-…

Ruby5 - Episode #449– March 18th, 2014 Experimental Features business hours feature flag Rails is Half Your App there are two parts of your application, the part that only works inside Rails and the part that is independent of Rails Rake R…

Ruby5 - Episode #448 – March 14th, 2014 Circuit Breaker Martin Fowler describes the Circuit Breaker pattern Cucumber top 5 7min video Speed up specs base_spec_helper services_spec_helper decorators_spec_helper models_spec_helper feature_sp…

Xcode 5.1 - NSScreencast XCode5.1の解説 NSLogとdescriptionメソッドのオーバーライド debugQuickLookObjectで図などのオブジェクトがプレビューできる XCodeの下のペインの目のアイコン breakpoint時に変数を選択して目のアイコンで UIBezierPath 図形描…

Grand Central Dispatch - MotionInMotion 画像をバックグラウンドで順にロードする Grand Central Dispatch background task singleton ImageList def self.sharedInstance Dispatch.once { @shared = self.new } ; @shared instead of @shared ||= self.ne…