Hide UITableView Empty Cell Separator Lines

Plain UITableView displays cell separator lines, when table is empty or has only a few real cells. This is the default behaviour - and it is good. You should not change it.

But sometimes it looks a bit too weird. When your cells have different heights, all empty cells following the last real one will use last cell's height. If this changes at every table refresh, the "jumping" empty cells start annoying users. Or at least developers.