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Connect to the database using ADO in MFC

  Summary of Using MFC to connect to the database through ADO in VC ++ (excluding exception capturing)Here we will mainly talk about the connection between MFC and SQL2000 databases. 1. Add this sentence to the stdafx. h header file.# Import

Abstract and background of the design and evolution of C ++ Language

Order:Many facts have given us a warning that fashion may turn into a blind image, and things that are noticed by the eye will soon be ignored, the most fierce hypes often disappear as quickly as possible, while the real valuable results often

PHP Excel Quick Development Guide-phpexcel

PHP Quick Development Guide for exporting ExcelPhpexcel has proprietary development documentation. For detailed operations, see its development documentation. This document only optimizes and integrates its usage to facilitate rapid development in

Googltest googlemock practice I

Recently, a new project is developed to develop data models. There is a chance to start coding from scratch, and the opportunity will be followed by Google test practices that have never been followed. The following is a record of feelings, which is

Proxy extensions-implicit proxy and multicast proxy

Agent this thing, really do not want to talk about, is estimated to be an iOS developer can skillfully use, with notification and block, all use of memorized.Here's a little talk about proxy extensions: implicit proxies and multicast proxies are

Implementation of multiple views in a single document

This article uses cmfctabctrl to implement multi-view option display. The program is as follows: Step 1: create two dialog boxes and add cfirstdlg and cseconddlg to them respectively; Step 2: Set the properties of the two dialogs as

Export a C ++ class from a common DLL (2)-a closer look at the underlying mechanism of the C ++ class

Balon vernacular MSDN: export C ++ classes from common DLL (2)-a closer look at the underlying mechanism of exporting C ++ classes in the previous article, we introduced how to export C ++ classes from a DLL and how to selectively export C ++ class

C #2.0 create and use generic classes

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

Proxy (proxy Mode)

// Class csubject {public: csubject ();~ Csubject (); Virtual bool downpic () = 0; protected: Private :}; // interface class implementation file # include "stdafx. H "# include" subject. H "csubject: csubject () {} csubject ::~ Csubject () {}//

Objective-C (introduction to the Foundation framework) 05-Introduction to the foundation framework

Objective-C (introduction to the Foundation framework) 05-Introduction to the foundation frameworkThe so-called framework in iOS is a directory. iOS provides many frameworks that we can call in applications. Many applications use frameworks such as

IOS Learning -- difference between @ class and # import,

IOS Learning -- difference between @ class and # import, During iOS development, we often see # import as the import package in some source code, but sometimes we also see @ class as the import package, so what are the differences between the two

Qt5 plug-in mechanism (7) -- plug-in development example code (Lower-level API), qt5lower-level

Qt5 plug-in mechanism (7) -- plug-in development example code (Lower-level API), qt5lower-levelPlug-in code Interface Class header file MyPluginInterface. h # Ifndef INTERFACES_H # define INTERFACES_H # include # define QtPluginDemo_iid "org.

Use background-attachment for Parallax scrolling

Parallax scrolling refers to moving multi-layer backgrounds at different speeds to form a three-dimensional motion effect and bring a very good visual experience. As a hot trend in web design this year, more and more websites are applying this

Study Note 9 of the SWIFT language (mixed OC and swift)

After the swift language comes out, new projects may be developed directly using SWIFT, but some situations may occur in the process, some classes or encapsulated modules that have been written with OC, if you don't want to write it again in swift,

Static and const members of classes in C ++

1. static member variables The static member variable of the class. After it is declared in the header file, it should be defined in the class source file: As shown in test. HCode: # Pragma onceclass test {PRIVATE: static int data ;}; The

Compiling firewall-parsing Pimpl usage in C ++

Compiling firewall-parsing Pimpl usage in C ++ Pimpl(Pointer to implementation, pointing to the implemented pointer) is a common method used to decouple "class interfaces and implementations. This technique avoids exposing private details in header

QT Classic error message undefined reference to ' vtable for classname

original link: QT Classic error message undefined reference to ' vtable for classnameThis error message is too common, the use of QT more than two months of friends can basically solve their own, because too classic, can give reference to the novice.

"Reprint" COM Component design and application (11)--idispatch and dual-interface calls

Original: http://vckbase.com/index.php/wv/1236.htmlFirst, prefaceSome time ago, because the work is more busy, not able to write in time. In the meantime received a lot of netizens ' letters to ask and encourage, in this together express thanks.

Phpexcel quick Development Guide (good)

Phpexcel quick Development Guide (good) Include ("./class. php"); // contains the basic class header file Include ("./class/phpexcel/PHPExcel. php"); // generate basic class definitions for excel (note

Php excel quick Development Guide-PHPEXCEL usage details

This article provides a detailed analysis of the use of PHPEXCEL. For more information, see PHP quick development guide for exporting EXCELPhpexcel has proprietary development documentation. for detailed operations, see its development documentation.

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