Terminal input:
defaults write com.apple.Dock autohide-delay -float 0 && killall Dock
reset:
defaults delete com.apple.Dock autohide-delay && killall Dock
Terminal input:
defaults write com.apple.Dock autohide-delay -float 0 && killall Dock
reset:
defaults delete com.apple.Dock autohide-delay && killall Dock