One button is connected to the log_timestamp method; the other to the close method of the QWidget class.

一个按钮连接到了log_timestamp方法；另一个连接到了QWidget类的close方法。

youdao

All classes that inherit from QObject or one of its subclasses (e. g. QWidget) can contain signals and slots.

所有从Qobject或者它的一个子类(比如：QWidget)继承的类都包含信号与插槽。

youdao

All classes that inherit from QObject or one of its subclasses (e. g. QWidget) can contain signals and slots.

所有从Qobject或者它的一个子类(比如：QWidget)继承的类都包含信号与插槽。

youdao