Daniel Gallagher questions

Daniel Gallagher answers

• No matching function for call (expects reference to pointer instead of pointer)
• Difference between ".", "::" and, "->"
• How to use QTimer to print a message to a QTextBrowser every 10 seconds?
• best way to output a full precision double into a text file
• Making a copy of an object of abstract base class
• macro dependent macro
• Test Driven Development, Unit Testing
• QPushButton() should react as long as it is pressed
• Help simplifying a Makefile for multiple executables
• c++: using type safety to distinguish types oftwo int arguments