The road to Python learning (9) the use of Qt

Qt is used in the study, record the learning materials of Qt.

The use of Qtimer in Qt:

The use of Qtimer in Qt

Several ways to use Qt timer (QTimer) - Baidu Library

The use of hasattr in Qt:

PyQtGraph: check(sys.flags.interactive != 1) has hasattr(QtCore, 'PYQT_VERSION') - Stack Overflow