def camelize(name)
      words = name.split('_')
      first_word = words.shift
      
      words.each do |word|
        word.sub!(/^[a-z]/, &:upcase)
      end
      
      words.unshift(first_word).join
    end
def camelize(name)
      words = name.split('_')
      first_word = words.shift
      
      words.each do |word|
        word.sub!(/^[a-z]/, &:upcase)
      end
      
      words.unshift(first_word).join
    end
camelize('get_profiles')
 => 'getProfiles'