How can I enable vertical split views in the Xcode IDE?

Question

I\'m diving into iOS development and I\'m using Xcode on a multi-monitor setup.

Obviously I want to take advantage of the multiple monitors to view and edit multiple p

Answer 1

Xcode 9 for those coming from a search engine:

Click and hold on the Assistant Editor button for an options menu. Choosing "Assistant Editors on Right" will cause the view to be split vertically.