while defining subroutines, what is the exact difference between Using and Changing?
when we pass by reference we can use both and while passing using value we can use both + Value (VAR).
Then what is the exact difference between two?
Also, what is formal parameter?q
Moderator message - Please do not ask or answer basic questions - thread locked
Edited by: Rob Burbank on Dec 14, 2009 3:31 PM