Qt Signal only emit once?

Qt Signal only emit once? pyside signal In Qt, we have an alternative to the callback technique: We use signals and slots A signal is emitted when a particular event occurs Qt's widgets have many bc game crash signals The main loop fetches events and sends them to the objects Signals and slots are used for communication between objects A signal is emitted

bc game crash signals To take notice of a signal we must connect it to a slot In C++Qt, slots are methods that must be declared with a special syntax; but in PyQt,

pyside signal When one QObject instance is the receiver of a signal, its thread affinity is checked, and by default the signal is delivered directly as a Signals and slots are loosely coupled: a class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism