The powers of this Municipality shall be exercised in the manner prescribed in this Charter or, if not prescribed herein then in such manner as the Council may determine. When not prescribed in this Charter or determined by Council, such Powers shall be exercised, except as a contrary intent appears in this Charter or in the enactments of Council, in such manner as may now or hereafter be provided by the general laws of the State of Ohio until the Council shall provide a different manner of exercising such powers.