C# by using prepared software midi piano player for the people enjoy reading C#

说明：  详细介绍了用VC.NET开发城市基础地理数据库的实例，用于城市测绘，城市基础地理系统建设的重要参考。(Described in detail with the development of urban infrastructure VC.NET examples of geographic database for urban mapping, urban infrastructure an important geographic reference system.)

根据经纬度计算国家标准分幅幅号，也可以根据幅号计算四点经纬度。改进版！！！

说明：  本章实现了网上选课系统，通过该系统，学校不同角色的用户可以通过网路完成选课系统功能：管理员通过该系统实现对学生、教师、课程的添加和维护和学生成绩的维护；教师通过该系统实现查看课程选修情况和录入学生成绩；学生通过该系统实现选课、退课等功能(This chapter to achieve an online course system, through the system, the role of schools of different network users can complete the course selection system functions: administrator of the system implementation by students, teachers, curriculum additions, and maintenance and the maintenance of student achievement teachers View courses through the system to achieve elective conditions and student achievement entry students through the system to achieve enrollment, class functions return)

c++ 标准模板库，用于c++标准模板库的学习和使用(this is a c++ stl, you can do many things with it)

C# 判断计算机中是否安装了SQLServer软件，那么是如何判断这个呢？主要是判断是还存在SQL服务，获取Windows服务控制器中的内容，然后过滤字符串"MSSQLSERVER"，返回的布尔值若为真，则说明电脑中安装有SQLServer软件。然后在WinForm窗口中使用 label1.Text = "本地计算机中已经安装SQL软件";显示字符串提示信息，简单吧？

我自己做的学生成绩管理系统包含各类学生信息可删除可查询(I do all kinds of student achievement management system includes student information can be deleted can be found)

在这个游戏中，有许多气球，一个用来射气球的弓和箭。气球从屏幕的下部升起。这个

施法中新版《计算几何与计算机图形学》，书中所带光盘，包含书中源码和其团队开发的软件，能够实现曲线曲面拟合和编辑(The new cast of Computational Geometry and Computer Graphics , the book brought the disc that contains the source code in the book and his team developed software enables curve and surface fitting and edit)

这是我自己写的一个小的文本编辑器，由于水平不高，请见谅-Writing my own This is a small text editor, because the level is not high, please forgive me

RX8025 STM32 I2C驱动，自用的，读写时间，没有做定时中断功能，自已稍微修改一下就可以了~已经用到项目中了没有啥问题！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！