How Mac computers Show hidden files, Xcode clears the cache

1. Remove redundant certificates from Xcode provisioning profile
Manual removal:
Xcode6 Provisioning Profile Path:
~/library/mobiledevice/provisioning Profiles

2. Clean up the cache garbage generated by Xcode compilation project
(Xcode is permanent, will generate a lot of project compile cache, occupy a lot of hard disk space, at this time need to clean up the directory)
Manual removal:
Xcode compiles the project cache garbage directory:
~/library/developer/xcode/deriveddata

How Mac computers Show hidden files
Command operation under Terminal:
1. Show commands for hidden files:
Defaults write Com.apple.finder appleshowallfiles YES
(Command to hide files: Defaults write Com.apple.finder appleshowallfiles NO)
2. After losing, click Enter to exit the terminal.
3. Restart Finder:
The mouse clicks the Apple flag in the upper-left corner of the window –> force quit –>finder–> restart.

How Mac computers Show hidden files, Xcode clears the cache