C++

Encryption | decryption [DllImport ("Des64.dll")]private static extern void B64_des (StringBuilder in_str, StringBuilder out_str, string key, int lenth, uint option);The first parameter is the string you want to decrypt, the second argument is the

Specification C # supports two types: ' Value type ' and ' reference type '. Value types include simple types (such as char, int, and float), enumeration types, and struct types. Reference types include classes (Class) types, interface types,

c++| problem in recent days to see the csdn to ask C + + and Java communication problems are more, especially the C-specific data structures (such as struct). Specially according to a netizen's question to give an example, hoped has the help to the

Visual|xml in my last article, "C #, using xml--to read XML," and discussed how to use the classes provided in the. NET framework to read XML in C # and some related concepts of reading, so let's talk today about how to write XML documents in C #.

Hard disk Using System;Using System.IO;Using System.Runtime.InteropServices;Using System.Text;Using Microsoft.Win32; Namespace Wjb.readorwriteiniandreg{/**////Read the hard drive sequence number of the specified drive letter///public class

String 1. Enum with string type? The UK mentions such a problem in the various enumerations: The member types of the enumeration are numeric, what are the ways to do a character-type enumeration? Enum colors:string{Red= ' #ff0000 ',}Before we start

Skills | design The operation of an enum usually involves a bitwise operation (and, or, XOR), often using the FlagsAttribute custom attribute definition. Guidelines for FlagsAttribute and enums:FlagsAttribute Custom attributes are used for

Background program sign.php Source code is as follows: ? if ($action = = "Sign") { if ($say = = "" | | $title = = "" | | $url = = "" | | $size = = "") { Header ("Location:.") /message.php?message= information is incomplete

Error | object Using System; Namespace Demo{Class ClassA{protected string a = "test"; public void Display (){Console.WriteLine (a);}} Class Classb:classa{protected string A = "another Test";}/**////Summary description for Class1.Class Class1{/**////

Programming | multithreading First Contact C # When a small example, first posted to this bar. Because multithreaded programming is very complex, this small example can only be a knowledge point of the entry line First build an application project,

Code A, Hungarian nomenclature: Naming conventions for variables (also including macros) used in Windows programming Hungarian nomenclature, which was proposed by a competent Microsoft programmer, Charles Simone (Charles Simonyi). The Hungarian

Program #include #include #include #include #include #include #include #include #include #include #include #include ". /md5/md5.h " #define T1 0xd76aa478 #define T2 0xe8c7b756 #define T3 0x242070db #define T4 0xc1bdceee #define T5 0XF57C0

visual| data Two. To insert a record into a SQL Server database with Visual C #: (1) The main difference between using Visual C # to add records to Access 2000 and SQL Server is to use a different database engine. Before writing a program, assume

Programming | Beginners I always think that for a beginner, it is not a technology craze to catch up with, and there is no ability to catch up. I feel very sad that I often see my ddmm throw away my textbook and sell a lot of expensive things like C

Author of the question: Zhou Xiang This is a program that I wrote in the semester of the operating system class and was organized into an article. I was posted on CSTC's Forum by my best friend Zeng: http://cstc.net.cn/bbs/viewtopic.php?t=457, here,

You know. struct (struct) is a value type, and Class (class) is a reference type, and now we consider a problem, what happens if the struct has members of a reference type? Now we have a structure oneline, to introduce its characteristics, it can be

static | News System Using System;Using System.Collections;Using System.ComponentModel;Using System.Data;Using System.Configuration;Using System.Data.OleDb;Using System.Drawing;Using System.Web;Using System.IO;Using System.Web.SessionState;Using

Standard in previous versions of Visual Studio, Microsoft had suggested that the Hungarian nomenclature should be used to write code. In the recently released. NET and its programming language, Microsoft changed his rule. 1. Use Pascal style for

use attributes to avoid exposing data members directly to the outside world Learning Research. NET in the early days, often encountered some learning c#/. NET's friend asks, attribute this kind of flashy thing to do what? Later when doing the

Visual C + + support for common graphics formats such as JPEG is not always a flawed flaw, and delphi/c++ Builder is much stronger in this regard than ever before. Because JPEG is a graphic format that is often used in practical applications, if you