Ya gotta love Marty Markowitz. To help local independent retailers weather the drought, the Beep has organized “Shop Brooklyn” boutique nights next Wednesday and Thursday (July 29 and 30). Sixty-five housewares, clothing and gift shops in the borough’s five “fashion districts” will stay open until 10 p.m., with trunk shows, designer cameos, special deals, the works. In case you were wondering, those districts are Downtown Brooklyn (capaciously defined), Fort Greene/Bedford-Stuyvesant, Park Slope, Williamsburg and Bay Ridge. For more info including participating shops, see www.visitbrooklyn.org, or call 718-802-3846.