Chapter 14

1. Qt's compilation model allows the omission of a virtual machine. It uses a meta-object compiler (MOC) to translate into C++, which is then compiled into the machine code of the specific platform.
2. QApplication::exec() is the starting point of the application. It starts Qt's event loop.
3. By calling setWindowTitle().
4. m->index (2, 3).
5. wgt->resize (400, 450).
6. When inheriting from QLayout, you should provide implementation for the addItem(), sizeHint(), setGeometry(), itemAt(), takeAt(), and minimumSize() functions.
7. By using the connect() function that takes the source and target objects and names of signals and slots as arguments.