The ordinance of intention shall be posted conspicuously for two days on or near the chamber door of the city council, and shall be published by two insertions in a daily or weekly newspaper published and circulated in the city, and designated by the council for that purpose. If no such newspaper is published and circulated in the city, the ordinance of intention shall be posted for two days on or near the council chamber door, and in two other public places in the city.