Follow this tutorial http://stackoverflow.com/questions/551383/xcode-duplicate-delete-line sudo chmod 666 / Applications / Xcode . app / Contents / Frameworks / IDEKit . framework / Resources / IDETextKeyBindingSet . plist sudo chmod 777 / Applications / Xcode . app / Contents / Frameworks / IDEKit . framework / Resources / Open /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist with Xcode himself and add this new entry : deleteToBeginningOfLine :, moveToEndOfLine :, deleteToBeginningOfLine :, deleteBackward :, moveDown :, moveToBeginningOfLine : Restart Xcode and open Xcode > Preferences > KeyBindings. Find your macro and define a shortkey :
Blog của Long Hoàng Giang - Keep in memory