smallB questions

• Why my project doesn't link if there are Q_OBJECT macros in .cpp files?
• Returning iterator seems to invalidate it
• QFileDialog allows to select multiple dirs but don't return them
• Writing thread safe containers [closed]
• I do not need dot and dotdot
• No restart in stopwatch
• Undefined reference to `_Unwind_Resume' with QT
• constexpr and bizzare error
• What is the time complexity for a clear function is std::map according to big O?
• Listing physical drives installed on my computer [duplicate]

smallB answers