Instead of wasting your time searching the menus and toolbars in an attempt find out that action you need right now, use the Find Action command (Ctrl+Shift+A) to quickly locate what you need. It works just like Go to Class:
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Of course, this is one of the nicest things in the IDE. I ran into it almost accidentally.
Is there a way to find out what they mean? I feel like some of the actions aren’t obvious for newcomers. Thanks.