How do I set a blank value for an f.select form field

Question

I am using the following to allow my users to select their sex in their profile.

<%= f.select (:sex, %w{ Male Female }) %>

How would I c

Answer 1

in Rails 4 you can achieve prompt like this:

<%= f.select :gender, %w{ Male Female }, {:prompt => "Gender..."} %>

its working for me with simple form.