##Useful Shortcuts
Here's a pretty decent reference as well: http://i.stack.imgur.com/Buohl.jpg
###Must Haves!
cmd + shift + o -- quick navigator -- works with classes, structs, functions, etc.
cmd + shift + j -- Show current file in navigator. Pairs well w/ quick navigator to see where the file fits into the full app.
###Other Good Ones
cmd + shift + o -- Quick Navigator
cmd + shift + j -- Show file in navigator
cmd + ctrl + e -- edit in scope
cmd + opt + [ or ] -- move selection up and down
cmd + / -- comment out code
cmd + \ -- add break point
cmd + click -- look into code
###Navigation Shortcuts
cmd + 0...8 -- left pane
cmd + opt + 0...2 -- right pane
cmd + shift + y -- open close debugger
cmd + shift + c -- show console
cmd + enter -- single view
cmd + shift + enter -- assistant editor
cmd + opt + shift + enter -- 'git' mode
###Xcode Git Shortcuts
cmd + ctrl + c -- View diff. I don't recommend committing through this interface, but you can.
cmd + opt + shift + enter -- enter git mode
- Diff History
- Current History
- Blame