MrKatSwordfish questions

• Shared header file for multiple small functor classes?
• Switching between various screens of the same state type?
• Why do certain situations require the use of 'bitwise' operators instead of 'logical' / 'equality' operators?
• Returning an array of pointers?
• How to properly structure OOP and multifile projects?
• How to avoid singletons when making an OOP state machine design?
• Passing and storing a const reference via a constructor?
• How do I structure my HTML for good code reuse and maintenance?
• How can I access my Window object properties from C++ while using QQmlApplicationEngine?

MrKatSwordfish answers