How can I reload the current page in Ruby on Rails?

Question

I currently have a login popup in my header bar which is on every page in my website. I want to be able to reload the current page that the person is on after a successful

Answer 1

For my application, I use redirect_to :back and it does the trick. However, I doubt this might have an error in a non general use case(s) (user came from a special page?) but i haven't found it so far in my app.