Making your application network-aware in real time. To keep track of network changes asynchronously, your application needs to register for a callback. When a network or network property change occurs your callback will be invoked.
1 You can simply lay your vinyl floor on top of the subfloor. Just unroll, cut the floor to size and itâs done â easy!  Medium room ( < 25m2) Semi-loose installation will do. Use double faced duct tape around the room to secure the flooring.
Any bumps or irregularities in its surface can cause the vinyl flooring to wear, or possibly even tear. You can install vinyl over an old vinyl floor subfloor. In most cases, as long as the old vinyl surface is flat, you donât need to do anything more for this type of underlayment.Concrete and wood subfloors each have their own subfloor preparation procedures.est the floor for moisture. Tape a 3-foot-square piece of scrap vinyl to the concrete with duct tape, sealing the edges tight. Leave the vinyl in place for 72 hours. Pull it up. If the tape releases easily, the floor is too damp for vinyl.