qt实现的单位转换功能

VB编写的备份软件默认备份30个副本，当然要有个同名字的，不是规范的INI文件-VB backup software prepared by the 30 default backup copy, of course, require the same name, is not standardized INI file

1.实现对二进制数据库的检索，查找，修改，增加，删除等操作； 2.实现数据库的加密，支持密码校验登陆有效防止防止数据泄漏。 3.程序启动时自动校验数据库完整性及其数据合法性并且自动屏蔽非法数据及提示用户删除损坏的数据库。 4.可以按归并排序方法对书目进行排序； 5.内置前台销售操作功能，可以实现图书销售的功能，并且根据销售情况实时修改数据库； 6.内置强大的异常处理机制，可以应付绝大部分异常情况。 7.程序标题栏实时显示程序状态。 对初学者很有帮助的-1. The realization of the binary database search, find, modify, add, delete and other operations 2. The realization of the database encryption, support for password check to prevent the landing effectively prevent data leakage. 3. Procedure automatically check data integrity and legitimacy of the database and automatic shield illegal data and prompts the user to delete the damaged database. 4. May merge sort method to sort the bibliography 5. Built-front sales operation, can achieve the function of book sales and, in accordance with amendments to the sale of real-time database 6. Built a powerful exception handling mechanism to cope with the vast some anomalies. 7. Program title bar in real-time status display program. Useful for beginners

可以查到自己的ip,能控制关机和开机，得到计算机的属性等-Can be found in your own ip, can control the shutdown and startup, get the computer" s properties, etc.

Named Pipe Wrapper for Win32 Platforms

用c++在windows环境下完成变幻线。-baffling line

c++ gui gt4源码。包括全书所有代码-c++ guit qt4 code

脸部模式识别，已经经过调试完成，没有错误-Facial pattern recognition, has been commissioning completed, no errors

数据结构的查询方式及其应用，是其中的比较重要的一种-Query data structure and its application

EVC环境下封装一个烤屏函数，此函数用于抓取屏幕并保存为位图。-Packaging a baked-screen function, the function used to capture screen and save it as a bitmap.

图书信息管理系统包含class BOOK             //一、图书类{private:int num;            //编号string name;         //书名int B_class;      //等级string publishing;    //出版社int isbn;           //ISBNint stock;          //剩余量int sale;           //销量public:BOOK(){}          //构造函数void add1();         //添加图书信息void add2();void setnum(int a)    //在添加第二本书的信息时设置编码{num=a;}int getnum()          //得到编号{return num;}  string getname()     // 得到名称{return name;}void show();           //显示图书信息    int getB_class(){return B_class;}int getsale(){return sale;}