regress-345

get the size of file

说明：  正则化工具包，包括L曲线法求解正则化参数，整套函数(Regularization toolkit, including L-curve method to solve regularization parameters, a set of functions)

以流量统计为主，没有抓底层的mac地址，抓了上层的包，并统计各个端口的数据流量。

建立类的层次结构。 创建如下图所示的类 使用类层次结构中的类 Employee ： 姓名，保险号、 SalariedEmployee 周薪 CommissionEmployee 佣金率、销售总额 HourlyEmployee 每小时的工资和工作小时数 BaseplusEmployee 每周的基本工资数 (Create a class hierarchy. To create a class as shown Use classes in the class hierarchy Employee: name, insurance number, SalariedEmployee weekly earnings CommissionEmployee commission rates, total sales HourlyEmployee hourly wages and the number of hours worked BaseplusEmployee weekly basic wage)

采用VC++6.0编写程序，主要功能是创建和使用调色板。(Programming using VC++ 6.0, the main function is to create and use a palette.)

简单的FTP服务器，只支持匿名访问， 直接装文件夹拖到该文件上即可打开以此文件夹为根目录的FTP服务-Simple FTP server, only support anonymous. drag a directory onto it will open an FTP server root at that directory

多个人聊天程序。-personal chat program.

说明：  一个使用c语言编写的随笔画工具，使用graphics.h(A Sketch Tool Written in C Language)

设计优良学风班集体评选辅助决策软件，使用数据库存放各参评班级的各项表现信息，使得系统可以按照每个班级的各项表现（数据）每年提供优良学风班集体的候选名单。(Style class collective good design decision support software selection, use a database to store the performance of each participating class information, so that the system can provide a list of candidates for the collective good style of study classes each year according to the performance of each class (data).)

本示例描述了虚函数的使用规则和注意事项，并且说明了纯虚函数的意义。(The rule and attention for the virtual function are described in the demo, and the significance of virtual function is presented.)