title: IntelliJ Idea 12 - turn off the pop up window (ctrl + space)
body: <p>I don't know what's up my IntelliJ Idea 12, but all of a sudden it start showing this dialog whenever I press <code>ctrl+space</code> to see the members of a type (Scala, but I guess it doesn't matter):</p>
  
  <p><a href="http://makescreen.ru/i/2f62a7840ed990c1e4f6048d05801c.jpg" rel="nofollow">window</a></p>
  
  <p>How do I turn it off?</p>