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.
Good to Know. Nail-down or floating floors may be installed over existing vinyl as long as it is no more than two layers thick. Thoroughly vacuum the existing floor and use a long level and tape measure to ensure the subfloor is level within 3/16 inch for every 10 feet. Sand any high spots and fill the low spots with leveling compound.