What's in a .gitignore file? And what SHOULD be there instead? Become a master at pretending files don't exist and learn some neat tricks along the way!
Changing the casing of some text has never been so easy as in your IDE!
How can you make sure everyone on the team is using the same IDE settings? Put the .idea folder in version control!
Surface tickets from your issue tracker in the IDE, and automate some of the work away!
Not all data types display in something useful when showing in the debugger. But you can fix that...
Trying to figure out where a value comes from? Put away the manual debugging kit and take a look at Analyze Data Flow
A little known feature of your IDE: you can copy-paste in stacktraces from anywhere and get them linkified.
Clearing your app's data on device when testing is a huge pain. But there is a nifty plugin that will save you quite some time...
Learn what the support annotations are, and why you should use them