Art. 635. (4.) No person shall fire or discharge any gun, pistol, fowling piece or fire-arms, within the limits of the city, or set fire to, or discharge any rocket, cracker, squib or serpent, or shall throw any lighted rocket, cracker, squib or serpent, within the limits of the city, without the license of the common council; Provided, that nothing herein contained shall apply to military reviews or to the lawful use of weapons in self-defense.