how pointers work

Standard C ++ does not have real Object-Oriented function pointers. This is a pity, because Object-Oriented function pointers (sometimes called delegates) have proved their value in other languages. In Delphi (Object-Oriented PASCAL Language),

Pointers and Memory 2017-04-26 Why do you use pointers Pointers solve two types of software problems. First, pointers allow different parts of the code to simply share information. Copying information before and after can achieve the same effect,

Member function pointers and high-performance C ++ delegation (Part 1) Member function pointers and the fastest possible C ++ delegates Author: Don Clugston Translation: Zhou Xiang Introduction Standard C ++ does not have a real

Interpreting pointers in C and language pointers I think pointers are undoubtedly a challenge for many beginners who are new to C language learning. However, I think pointers are also an important feature of C language. Maybe you rarely see pointers

There are three major differences between reference and pointer:1. The reference must be initialized and the pointer is not required.2. The reference cannot be changed after initialization. the pointer can change the variable.3. There is no

Clause 15: Use the priority in the principle as the basis for selection For more terms, go to source: http://blog.csdn.net/liuchang5 The Chinese often say that "the fish and the bear's paw cannot have both sides", while the English often says that "

Starting from a memory leak?Very simple entry procedure, you should be familiar with it ^_^#include #include int main (int argc, char *argv[]) { qapplication app (argc, argv) ; Qlabel *label = new Qlabel ("Hello dbzhang800!"); Label->show (

Transferred from: http://blog.csdn.net/feitianxuxue/article/details/7300291How to use function pointers and array of function pointersfunction pointers:The function pointer contains the address of the function in memory. the array name is actually

The pointer is a more headache-prone problem in C/A + + learning, and in the process of programming, pointers are often the cause of hidden bugs. Here to talk about the application of pointers and need to pay attention to some of the problems, which

We sometimes see this hungry code:int *ptr = x;Here, PTR is a pointer to an X in-memory address.Let's say that there is another statement like this:int **ptr2 = ptr;We define a pointer to a pointer.Suppose our computer is 8bit and the address is