How can I make auto-complete display a list in Xcode

Question

How can I use auto-complete in Xcode like I can in Visual Studio and Eclipse? Specifically in VS and Eclipse auto-complete displays a list of choices... while Xcode just di

Answer 1

Press the escape key when auto-complete makes the first suggestion. This will display the list.

Answer 2

control + space also works in the latest Xcode.