Dynamically setting the <head> from a view

We work mostly in the ruby on rails stack. Recently I had an issue where I wanted to dynamically change info that was set in the <head> -- in our sites (and most rails sites), this is controlled by an application layout. So how do you let the view control info in the layout? Easy: content_for:

In your view

And in your layout
Picked by TJ
Mar. 22 2016