一个用c++语言写的、学习简单工厂模式的代码。通过一个父类（OperationFactroy）指针，实现通过判断输入的计算符号而调用加、减、乘、除子类操作的简单代码。

在编译、运行程序之前，请将所附的数据库文件rms.mdb导入SQL server中，并将此数据库命名为RMS。具体操作步骤可以参见书中这一章的相关小节。若没有安装SQL server，也可以直接在控制面板中将此数据库文件设置为数据源，并命名为MyDS。注意，若数据库没有安装成功，MS Visual Studio在打开工程文件的时候将会报错，但忽略之后不影响程序的正常编译。-In the compiler, before running the program, please rms.mdb attached database file into SQL server and will be named this database RMS. Specific steps can see the relevance of the book section of this chapter. If not install SQL server, can also be directly in the control panel in this database file is set to the data source named MyDS. Note that if the databases are not installed successfully, MS Visual Studio project file in the open when the error will be, but do not overlook the impact of following the normal procedures for compiling.

VB6 的小程序，接收来自 YHT3 规模的重量，保存日期来访问数据库。

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Flexible Vector and Matrix Classes enable to use vectors and matrixes with arbitrary bounds. Content. 1. Algorithm 2. Classes 3. Program Files 4. Tests 5. Compiling 6. Running (Log File) 7. Download

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ACCESS模拟XP2003界面，提供源代码供参考-ACCESS simulation XP2003 interface, provide the source code for reference

计算机销售系统 一个不错的程序-computer sales system a good procedure