Problem with signalslot carrying pointer - qt

From io: QApplication Class: The QApplication class manages signal to the custom slot Output: Python PyQt: Exercises from

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qtech slot You can connect as many signals to a slot and as many slots to a signal as you like Boost and QT also offer signal slot functionality (see Part 1 of the

qt signal slot Volume 1 Yanwen Wu Signal and slot are used in the communication among the objects This mechanism is an important characteristic of QT In graphical user's