Convert array of hashes to array

Question

I have an array of hashes from which I need the values of the hashes in a new array. The array of hashes look likes this, with a couple thousand of them.

array =         


        

Answer 1

[{:code=>"404"}, {:code=>"302"}, {:code=>"200"}].flat_map(&:values)
#⇒ ["404", "302", "200"]