#pragma mark: Xcode’s Patron Saint of Grouping

‘#pragma mark’ is a helpful directive for Xcode to help you organize code in an implementation file. With it you can group methods together for easy navigation, here is an example:

#pragma mark-

#pragma mark Picker Data Source Methods

And here is what it looks like in Xcode:

I like this much better than my previous system of making little comment headers for a group of methods, thanks Apress iOS 5 book!