You probably didn't know all of them...
: contextual code generation
: contextual completion list - also, press Tab
to expand snippets like 'for', 'while', etc.
: method call-tip (the yellow window with current method's signature)
: list all project classes (as after ':' or keywords like "new")
: go to declaration of element at cursor location.
: jump back after F4 or code generation.
: when you see "..." in a (yellow) tip, you can press F1 to see a more detailed tip.
: Close the completion list and method call-tip (or press Ctrl
key to hide them).