unresolved reference for new-style Signals and Signal type

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

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

bc game crash signals 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

pyside signal The objects' signals can then be connected to the () slot which will emit the () signal with