Say I have a struct defined as follows struct my_struct { int num; }; .... Here I have a pointer to my_struct and I want to do an increment on num void foo(struct my_struct* my_ptr) { // inc...

I read Is there a performance difference between i++ and ++i in C?: Is there a performance difference between i++ and ++i if the resulting value is not used? What's the answer for JavaScrip...

During a programming class, the professor was teaching us about x++ and ++x, with x being an integer. He said that in the scenario we are able to just put either x++ or ++x, ++x is more efficient ...

Test this code in Flash: var i:int = 0; for (var j:int = 0; j < 5000000; j++) { i=i+1; }// use about 300ms. i = 0; for (var j:int = 0; j < 5000000; j++) { i++; }// use about 400ms i = 0;...

Is --foo++; a valid statement in C? (Will it compile/run) And is there any practical application for this? Sorry for changing the question in an edit but I found something out. According to my...

When I do this: count = ++count; Why do i get the warning - The assignment to variable count has no effect ? This means that count is incremented and then assigned to itself or something else ? Is...

I've had my brain wrinkled from trying to understand the examples on this page: http://answers.yahoo.com/question/index?qid=20091103170907AAxXYG9 More specifically this code: int j = 4; cout <...

I am a little confused about how the C# compiler handles pre- and post increments and decrements. When I code the following: int x = 4; x = x++ + ++x; x will have the value 10 afterwards. I thi...

I admit that I asked a question about why Closure Compiler does not shorten certain code which looks shortenable at first sight a few days ago already, but that reason is not applicable in this cas...

Possible Duplicate: Is there a performance difference between i++ and ++i in C++? Is there a reason some programmers write ++i in a normal for loop instead of writing i++?

Possible Duplicate: Could anyone explain these undefined behaviors (i = i++ + ++i , i = i++, etc…) What is the difference between i = ++i; and ++i; where i is an integer with v...

I'm new to C language so please sum1 help me out. A C code written int i=3; printf("%d",++i + ++i); Complier gives O/P =9. How?

Why does the following compile in C++? int phew = 53; ++++++++++phew ; The same code fails in C, why?

I heard about that preincrements (++i) are a bit faster than postincrements (i++) in C++. Is that true? And what is the reason for this?

Exact Duplicate: Is there a performance difference between i++ and ++i in C++? Exact Duplicate: Difference between i++ and ++i in a loop? What is more efficient, i++ or ++i? I have only ...