Resources
Xcode: Navigating Through Your Project

Xcode can be a bit daunting at first when you’re starting out as an iOS developer. It’s a very complex and capable program, which means it can be hard to find what you’re looking for.

Thomas has some good tips for Xcode, including using landmarks (TODO:, MARK:, FIXME:), search, groups and callers—which all make it much easier to find what you’re looking for or what you need to come back to later.

Check it out!

Link