gist: 1403


        
          
            Ruby
          
          
            
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                # 'aaa' and 'a' are Arrays of Hashes
 
aaa.each do |hash_one|
 
  if a.find { |key_two, hash_two| hash_one == hash_two } do
 
    value_to_use = hash_two
 
  else
 
    value_to_use = hash_one
 
  end
 
  # Now do what you want to do with that
 
end