Reverting all Xcode settings to their original state

Question

I got my Xcode into a non-functional state when I can no longer start a search: once I press ⌘+F, Xcode hangs with a spinning pinwheel, and stops responding. Once

Answer 1

Reset all XCode settings from command line by running following commands then restart XCode:

defaults delete com.apple.dt.Xcode
rm -rf $HOME/Library/Application Support/Developer/Shared/Xcode
rm -rf $HOME/Library/Saved\ Application\ State/com.apple.dt.Xcode.savedState
rm -rf $HOME/Library/Preferences/com.apple.dt.Xcode.*