One of the most useful feature of xcode 4 was the built in code snippets library. It allows you to use pre made pieces of code instead of writing them over and over.
You can use those code snippets either by dragging them from the Code Snippet Library section, or by simply typing a completion shortcut.
xcode comes with a variaty of useful code snippets which you are more than welcomed to browse, but today I will show you how to add your own custom code snippets.
Posted by adamsiton 
Core-Cocoa 