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opengl 3D编程可以实现下雪这一场景，很不错的源代码，还有workplace 喔！(opengl 3D programming can be achieved in this snow scene, it is a good source code, as well as workplace Oh!)

基于MFC建立的程序，可以打开文本文档的数据并绘制曲线(MFC-based program , you can open a text document and draw the curve)

    三层架构增加-删除-修改-查询可以提供学习交流，谢谢C#三层架构0813—SqlServer-Vis-visual studio2019

分析RSA算法的应用现状，论证文件加密应用RSA算法的可行性和意义。设计一套完整实用的RSA文件加密解决方案，具体编码实现。对RSA算法进行研究，从常规RSA算法出发，用C++实现RSA加密算法类库，并在32位windows平台封装成组件。在.Net平台引用此组件，实现可以对任意文件进行RSA加密 (Analysis of Application of RSA algorithm, file encryption application demonstration of the feasibility of RSA algorithm and significance. Design of a complete file encryption RSA practical solutions to achieve specific coding. Research on the RSA algorithm, starting from the conventional RSA algorithm using C++ class library to achieve RSA encryption algorithm, and in 32-bit windows platform components into a package. In. Net platform, referred to this component, the realization of arbitrary files on RSA encryption)

《Visual C++数据库开发技巧与实例》，比较经典的一本数据库学习书籍。(" Visual C++ database development techniques and examples," a database to learn more classic books.)

说明：  我以前从网上下的一个实例，可以读取扇区数据，也可以删除和备份数据；(I used the Internet from an example, can read data sector can also delete and backup data;)

数据库程序的作业，，简单了一些，，有些功能未实现，，做了两份作业，一份自己的，一份同学的，，呵呵，，功能一样，，界面不同(database operations, and some simple, some functions had not been achieved, and do two operations, one on their own. a classmate, and huh, and functions, and different interface. .)

最小二乘法拟合形如f(x)=(a+bx)/(1+cx)的函数（9.2.2(1))，并解决人口预测问题(9.2.2(2))(Least squares fit of the form f (x) = (a+bx)/(1+cx) function (9.2.2 (1)), and to solve the population prediction problem (9.2.2 (2)))

说明：  点击右键弹出上述快捷菜单，点击消息对话框…弹出消息对话框。 (right-click pop-up menu above fast, click on pop-up dialog box message box ....)

喷射文件的c语言实现，关于关于采油发电机-jet documents c language, on the generator on oil