609Hide/Show Files in the Mac OSX GUI

Hiding files and folders from the Finder:

chflags hidden filename

And show them again:

chflags nohidden filename

590Adding an UIAlertView

Unlike other UIViews, UIAlertView does not need to be added to another view via addSubView. [myAlertView show] takes care of that.

Trivial, maybe. But I wasn't aware of it.

139QC Show/Hide Private Patches

Run from Terminal:

defaults write -g QCShowPrivatePatches 1 defaults write -g QCShowPrivatePatches 0