Use alt + arrow to move around to where you've been

One feature I love from Qt Creator / Eclipse is the fact that it remembers the places you've gone to (file + line) and you can navigate between them by using alt + left / right (back and forth).

For example, you're using a function, you realize you need to edit how the function works so you go to the function's file and edit the code, then you go back to where you where (down to the line) with alt+left. And you can use alt+right to go back to the function's file if you forgot to do something.

It also works within the same file. Though it'd be most powerful combined with the jump to declaration/definition functionnality, without it's still very useful.