When it is called.
you can put your script into a function. A function contains code that will be executed by an event or by a call to the function.
Empty parenthesis is a self invoked function that is executed immediately after its created. IT makes the function an expression and any subsequent function, the call.
IF, in C and C++, is not a function - it is a statement. There are two parameters... if (expression) statement; The expression is evaluated. If it has logical result true, or arithmentic result not zero, the statement is executed; if not, the statement is not executed. The statement can be a single statement, in which it is terminated with a semi-colon, or it can be a block of statements, in which it is surrounded by braces.
B: Virus
You can't. If you have no main function, then there is no entry point to your code and it cannot be executed. Code without a main function is essentially a library. In MS Windows, GUI mode, you don't have to have main function. (WinMain is used instead).
A function is an algorithm that returns a value when it is executed
It is the first function that gets called when the program is executed.
All usable statements in PHP can cause a function to be executed - however, that's not to say that every statement will execute a function. A statement is defined by the programmer, who it is ultimately the one responsible for including a function, more than one function, or no functions.
you can put your script into a function. A function contains code that will be executed by an event or by a call to the function.
The main function is the entry point into a program. When the Operating System launches the program the main function gets executed.
Because that's what is executed when you run the program.
The function of the program counter register is to hold the address of the instruction that is being executed and (later) to hold the address of the instruction that will be executed next.
Empty parenthesis is a self invoked function that is executed immediately after its created. IT makes the function an expression and any subsequent function, the call.
The TODAY function returns the current date when the function is executed. That would be when you open the document or when you insert the function for the first time in a cell.
IF, in C and C++, is not a function - it is a statement. There are two parameters... if (expression) statement; The expression is evaluated. If it has logical result true, or arithmentic result not zero, the statement is executed; if not, the statement is not executed. The statement can be a single statement, in which it is terminated with a semi-colon, or it can be a block of statements, in which it is surrounded by braces.
In javascript, the word "this" refers to the ¢«Ê«_owner¢«Ê« of the function being executed. Put another way, "this" means the object that a function is a method of.
Resident