A more elegant solution for: http://thedailywtf.com/Articles/Got_Time_0x3f_.aspx

gistfile1.builder

# A more elegant solution for: http://thedailywtf.com/Articles/Got_Time_0x3f_.aspx

class DH
  
  def hours_to_days_and_hours(hours)
    self.send "days_and_hours_in_#{hours}_hours"
  end
  
  def method_missing(method)
    method.to_s.match(/(\d+)/)
    hours = $1
    puts "adding new instance method: #{method}"
    self.class.class_eval <<-end_eval
      def #{method}
        d = #{hours} / 24
        h = #{hours} % 24
        return [d,h]
      end
    end_eval
    self.send method
  end
  
end