def scheduled?
      [:min, :hour, :day, :month, :wday].all? do |key|
        send(key).nil? || send(key) == now.send(key)
      end
    end
def scheduled?
      [:min, :hour, :day, :month, :wday].all? do |key|
        send(key).nil? || send(key) == now.send(key)
      end
    end
Takes a schedule as a String.