comment: cmd + /
code indent: ctrl + i
shift right: cmd + ]
shift left: cmd + [
move word left(right): alt + left or alt + right
move to begin(end) of line: alt + up or alt + down
edit all in the scope: cmd + ctrl + e
go to declaration: cmd + double click
switch .h and .m: cmd + ctrl + up
open quickly: cmd + shift + o
show detail: option + click
goto line number: cmd + l
open preferences: cmd + ,
Show: Line numbers
show/hide debug area: cmd + shift + y
show/hide left utilities: cmd + option + 0
