How do I determine the number of rows and columns in a gnome-terminal window while resizing?

I’m running Fedora 21 which comes with gnome 3.14. In older versions, when I resized a terminal, a little box would appear that showed the dimensions of the terminal (in columns and rows, not pixels; defaulting to 24×80). Now when I resize the terminal, this box doesn’t appear. How do I re-enable this feature, or … Read more