Favorite Mac Hacks: Remove the Delay When the Dock Is Hidden

When the Mac Dock is hidden, and you point to the edge of the screen to show it, there is a slight pause. This hack will remove it. Or, you can adjust it to a different time. Open Terminal and enter this command:
defaults write com.apple.Dock autohide-delay -float 0 && killall Dock

The full details of this hack and how to return to the default settings are here:
http://hints.macworld.com/article.php?story=20120326061614691