Three great osx settings to speed up your workflow

Execute this commands in terminal window and re-login to system to apply settings:

#increase key repeat speed
defaults write NSGlobalDomain KeyRepeat -int 0

#allow text selection in finder preview
defaults write com.apple.finder QLEnableTextSelection -bool true

#disable "are you sure you want open this application?" dialog
defaults write com.apple.LaunchServices LSQuarantine -bool false