The essence of the question as it looms from the title.
Zen guys who work often with Qt - tell me.
Qt
If your class is not inherited from QObject and does not use signals and slots, then this macro is not needed, even if you use Qt libraries in your code. So the answer is no, not mandatory.
QObject
Source: https://ru.stackoverflow.com/questions/490047/More articles:How to implement the buttons above the keyboard?How to test lock locks in MySQL?Why do I need typedef?How to start another application?Creation of the field “Customer code” and “Product code”How do you make a “read more >>” button in django?Optimization of the database filling functionSymfony2, EntityManager :: getRepository (Namespace \ To \ Some \ Class :: class or '** Bundle: Entity')Overdue Delete StrategySelect database from queriesAll Articles