C++

After a period of study, I came up with an idea to develop my own instant messaging software. One is the consolidation of the learned knowledge, and the other is the exploration and mastery of new knowledge in the process of practice. I know that

Original link http://www.cnblogs.com/dahuzizyd/archive/2006/12/22/Excel_cSharp_report_4.html   When using Excel as a report, the page may be displayed, which is divided into multiple sheets. If you want to retain the header on each page, you need to

The = operator of the array and the equals method both compare whether the reference is equal, even the value type array is the same, so there must be a comparison of equal values. The comparison principle is to first equal the type, then equal the

Using System;Using System. Data;Using System. Configuration;Using System. Linq;Using System. Web;Using System. Web. Security;Using System. Web. UI;Using System. Web. UI. HtmlControls;Using System. Web. UI. WebControls;Using System. Web. UI.

A struct can be a member of another struct: (1) Struct phoneBook { Public string name; Public uint age; Public string phone; Public struct address { Public string city; Public string street; Public uint no; } } However, there is a problem: How do I

1. (P145) Common operation functions of the container class (only a few of them are listed ): C. max_size ()Returns the maximum number of elements possible C1.swap (c2)/Swap (c1, c2)Swaps the dataC1AndC2 C. begin ()/C. end ()Returns an iterator

A Class of encryption and decryption algorithms:  Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Using system; Using system. IO; Using system. Security. cryptography; Using system.

I. ASCII code We know that in a computer, all information is eventually represented as a binary string. Each binary bit has two states: 0 and 1. Therefore, eight binary bits can combine 256 states, which is called a byte ). That is to say, a single

I. How to Use TcpSvrA. Test procedure:Using System;Using Ibms. Net. TcpCSFramework;Using System. Collections;Using System. Net. Sockets; Namespace Ibms. Test{/// /// Test the TcpSvr class/// Public class TestTcpSvr{ Public TestTcpSvr (){ } Public

  The stored procedure p_sys_Login is defined as follows: Create procedure p_sys_Login@ ArgUserID varchar (20), -- User Name@ ArgPassword varchar (20), -- Password@ ArgResult varchar (50) OUTPUT -- logon

Before parsing the C # struct pointer, you must know how the C # struct is defined. This struct is also defined in C. C # struct pointer-C # struct definition: [Structlayout (layoutkind. Sequential)]Public struct vgastat{Public int channelnum; //

Public class RequestWeb{Private readonly static int TIMEOUT = 15000;Private CookieContainer _ cookieCon = new CookieContainer ();Private CredentialCache _ credentials; /// /// Request data through url/// /// url of the requested page /// proxy

The first article in the multi-thread programming series describes how to start a thread. This article describes how to ensure synchronization and avoid deadlocks when there is competition between threads. The first article in the multi-thread

Sun Xin vc video tutorial Http://www.codeguru.cn/VC%26MFC/sunxinvc C Function instance Reference Manual Http://www.codeguru.cn/CPP/CExample/ C \ C ++ instance Reference Manual Http://www.codeguru.cn/CPP/cppExample/ Win32Api instance Reference Manual

Document directory In our programs, we often have the following requirements: Read more about Lambda expressions In our programs, we often have the following requirements: 1. A temporary method is required. This method will only be used once, or

The generic design is used to reduce the number of times you repeatedly implement the Code-you only need to change the data type. Abstract data structures, such as queues, stacks, and lists, are both typical data structures. Therefore, generic

I have been learning C # For a long time, read books, and then read more blogs on the Internet, then I learned to make a Demo of a small function like the QQ tray icon: (1) Click the close button in the window or display the tray when minimized; (2)

A middle school student asked me how to find the root of the quadratic equation of one yuan over the past few days. I was so stupid that I didn't know where to start. At that time, I remember that I could never remember the formula, during the

. Net has actually done a good job for us in this regard. FCL provides a lot of classes to help us complete this task, making our development work very simple and happy. Programming to control IIS is actually very simple, just like ASP ,. in Net,

Before use, add reference: Microsoft. Office. Interop. Excel, and then add the following statement on the call page:   Using Excel = Microsoft. Office. Interop. Excel; /** // /// Export an Excel file/// /// data source DataTable /// Save file name