Kevin Dong questions

• Is "Fn key" not defined in X Window in "X11/keysymdef.h"?
• What does screen number and display number mean in Xlib?
• How does C preprocessor actually work?
• The sub-specifier in printf
• 'GetConsoleWindow' was not declared in this scope?
• Why is traversing more time-consuming than merging on two sorted std::list?
• Typecast to unsigned char and multiply the variables
• Expected declaration specifiers or '...' before '(' token?
• Meaning of leading zero in integer literal
• Best practice to use execvp in C++

Kevin Dong answers