Insofar as the provisions of this chapter are inconsistent with the provisions of any law or charter, the provisions of this chapter shall be controlling. The powers conferred by this chapter shall be in addition and supplemental to the powers conferred by any other law or charter, and bonds may be issued hereunder for any public improvement or other purpose as may from time to time be authorized by law, including special improvements the cost of which is assessed or assessable in whole or in part against properties benefited or improved thereby or an undertaking, improvement or system of the county, notwithstanding that any other law or charter may provide for the issuance of bonds for like purposes and without regard to the requirements, restrictions, or other provisions contained in any other law or charter. Bonds may be issued under this chapter notwithstanding any debt or other limitation prescribed by any other law or charter and without obtaining the consent of any commission, board, bureau, agency, or department of the State, and without any other proceeding or happening of any other condition or thing than those proceedings, conditions, or things which are specifically required by this chapter, and the mode and method of procedure for the issuance of bonds under this chapter need not conform to any other law or charter. The authorization, issuance, and validity of bonds under this chapter shall not be dependent on or affected in any way by proceedings taken, contracts made, acts performed or done in connection with, or in furtherance of any public improvement undertaken by the county authorizing and issuing the bonds, or by the validity of any such proceedings, contracts, or acts, nor shall the authorization, issuance, and validity of bonds issued under this chapter be dependent upon or affected in any way by the proceedings taken in connection with the creation of any improvement district and the fixing or imposition of any assessments or by the validity of any such proceedings or assessments, nor shall the authorization, issuance and validity of bonds issued under this chapter be dependent in any way upon the due adoption or enactment of any capital program or capital budget ordinance or resolution or upon the continued effectiveness of any appropriation made in any capital budget ordinance or resolution; provided that nothing in this section shall be deemed to permit the application of the proceeds of the bonds to appropriations which have lapsed pursuant to the provisions of law or of a charter.