void function

The use of the Const keyword in C + + is very flexible, and using the const will greatly improve the robustness of the program, I found in various aspects of the information summarized below, hoping to help friends.Const is a type modifier commonly

The use of the Const keyword in C + + is very flexible, and using the const will greatly improve the robustness of the program, I found in various aspects of the information summarized below, hoping to help friends.Const is a type modifier commonly

Some time ago completed the server from FreeBSD4.10 to 6.1 upgrade, while the PHP also upgraded to the latest Php5.1.4,apache also upgraded to the latest Apache2.2, in order to better improve the performance of the system to consider some of the PHP

The three ways to define a pointer are: 1 int * p;  2. int* p; 3. int *p; The habit is different.The three ways to define a function pointer are: 1. int *p (); 2. int * p (); 3. int* p (); 1. Pointer passing and reference passing In C, if you want

I. Soft interrupts and tasklets 1. Delayed processing of interrupts In the process of interruption, there are some non-critical tasks that can be deferred for a period of time when needed. For an interrupt service program, a new interrupt should

Stack overflow attacks are the most commonly used means of attack, and the infamous Morris worm is the first virus in the world to use a stack overflow attack, and it destroys 6000 hosts in 1988 years. And in 1996, 8 years later, Alpha one,

Process Control:1, Process creation function: fork ();Header file:#include #include Function Prototypes:pid_t fork (void);function return Value: 0: Indicates that this process is now a child process;-1: Indicates an error;The child process ID number,

Linux Application Development-multi-process programming One creation processThe difference between fork and vfork1 Fork creates a child process that has its own data segment and stack and vfork creates a child process that shares the data segment

functions to create a process fork (), vfork (), and execl ()This content mainly introduces the function fork and vfork of the 2 creation process under Unix/linux and their differences.1.fork function(1) Format of the function#include pid_t fork

After these several code submissions, found that many people's code style is not standardized. Personally, it is necessary to impose a code specification.Overall, there are three code styles, two of which are similar to this: Public void function ()

Original link: http://www.educity.cn/develop/478947.htmlVC provides a lot of time operation of the function, writing programs we can follow the timing of the different precision requirements to choose different time functions to complete the timing

Polymorphic1. Overview of polymorphismThe same object (transaction), which manifests itself in different states at different times.Examples of Use:Pig: It's an animal, it belongs to a mammal.2. Conditions for polymorphism(1). To have an inherited

1. Kernel Timer:The data structures and functions provided by the Linux kernel for manipulating timers are as follows:(1) timer_listIn the Linux kernel, an instance of the Timer_list struct corresponds to a timer1 struct Timer_list {2 struct

Requirements DescriptionWrite a program to complete the operation of the directory and files on the host machine. For example, the host is a, the standby machine is B, the program required to be written to run on a machine, the program to create a

5. Redefine the error.In a final executable, it is absolutely not allowed to have two global variables with the same name, and global functions with the same name are not allowed.Global functions: All are global, as long as the functions decorated

Easy way to learn Linux OS kernel source codeFor a lot of Linux enthusiasts are interested in the kernel is not easy to swallow, the purpose of this article is to introduce a way to interpret the Linux kernel source code, rather than explain the

Before entering the subject, take a look at the two-point preparatory knowledge.The difference between an explicit call and an implicit callWe know that the difference between a dynamic library and a static library is that the static library is

Declaration format for the class:Class class name identifier {[public:][data member Declaration] [Declaration of member function][private:][data member declaration] [Declaration of member function][protected:][declaration of data member]

List InterfaceThe list interface is a sub-interface of the collection interface, the abstract method in the list interface, and a part of the method and his parent interface collection is the same, the list interface's own unique method, with the

Basic concept to tellWhat is synchronization? Synchronization is: If there are multiple tasks or events to occur, these tasks or events must be done individually, an event or the execution of a task will cause the entire process of temporary wait,