Run only one instance, and activate an instance of the former

在qt编程环境下从数据库里读出所有数据列.-In the qt programming environment from the database to read out all data columns.

二维数组编程，帮助大家理解二维数组的存储和读取模式！-Two-dimensional array of programming, to help everyone understand the two-dimensional array of storage and read mode!

这个是一个很不错的编辑器我用了3年多 EDITEPLUS 这是最新版本不需安装只要运行就可以使用了没有解破哦序列号网上自己找吧很多的。这个是最新版本-This is a very good editor, I spent three years EDITEPLUS This is a long run without having to install the latest version can be used with no serial number cracked Oh, bar-line to find a lot of their own. This is the latest version of the

c program

用FROTPAGE编写的BT文件源码，实现了点到点BT下载功能，希望对大家有所帮助-The source code of BT file which is written by FROTPAGE realizes the point to point BT donwload. I hope the source code is helpful for everybody.

图形学的上机实习，第二次作业！-graphics on the machine attachment, the second operation!

三汇测试板会议演示，实现多会话功能，采用事件触发方式。

我的第一份工作是密码学。算法之谜（我自己的算法）。

龙贝格插值算法求积分下限为0,积分上限为1的,被积函数为4/1+x*x的积分-Romberg interpolation algorithm quadratures threshold of 0, points to a ceiling of the function of the plot was 4/1 x* x points

VB滚轮补丁的功能是VB程序中滚轮的设置方便应用-VB function wheel patch VB programs are set up to facilitate the application of wheel