remove a blank option of select field that was generated by SimpleForm

Question

I have this piece of code:

= f.input :category, :as => :select, :label => false, :collection => Choices[\"Categories\"]

Choices[\"Cate

Answer 1

or you can customize call back action in your model to remove any empty string in the array parameter, assuming a parameter with the name "types":

before_validation :remove_empty_string

def remove_empty_string
  types.reject! { |l| l.empty? }
end