USB-ch375-chip-sample-program

SPEI计算SPEI的R语言版与可执行版（含下载网址）.rar(SPEI calculated SPEI R-language version of the executable version (with download link). Rar)

本文介绍利用注册码（序列号）软件加密方法，该方法可实现一机一个流册码，解密难度大(this document introduce how to protect your software by encrypt the application)

可以方便地实现服务器和客户端的通信 并且可以查询指定目录下的所有文件(Can easily achieve server and client communications and you can check all the files under the specified directory)

win32 SDK 方式实现拦截系统关机(Win32 SDK)

osg粒子子系统例子,一个是简单的粒子系统，另一个是烟(the example of particle sysytem in OSG)

驱动开发的一个小例子，可以在vs中运行，非常适合新手，共同进步(a simple case of driver ,it is useful for people who first learn driver.hope you like)

用c#实现模拟银行系统 控制台界面 实现取款 存款 之类的一些基本操作 (With c# console interface for analog banking system deposits, withdrawals and the like to achieve some of the basic operations)

说明：  在软件开发中，特别是驱动开发中，什么时候用const，什么时候又要加volatile，这里有详细的讲解(In software development, particularly driven development, when to use const, when that the increase in volatile, here in detail)

很好的系统编程指南，希望大家认真学习，能够写出好的系统代码(Very good system programming guide, I hope you seriously study, to write a good system code)

用C＋＋编写一个学生考试成绩信息系统，强化面向对象程序设计思想，使学生能够将C＋＋程序设计中的面向对象、重载、模板、文件等各种概念，灵活的运用到实际的程序设计中去。(Using C to prepare a student information system of examination results, and strengthen OOP thinking, so that students can be C program design in object-oriented, overloading, templates, documents such as the concept of flexible use of procedures to the actual design go.)