user1899020 questions

• Any fast way to check if two doubles has the same sign?
• How to efficiently implement assign a vector's data to a number of variables?
• How to convert a 3D array type to a 1D array type in C#?
• How to make a function to be a slot temporally in Qt?
• What does &** mean?
• How to use uniform initialization for a pointer?
• Is the virtual method in a simple class really virtual?
• What should I check: cpu time or wall time?
• What is the best way to define a double constant in a namespace?
• When are Qt slots called?

user1899020 answers