微软的Ping程序代码，可以结合Linux代码实现Flow Ping洪水测试，测试网卡性能和丢包-Microsoft's code, Linux code can be combined to achieve Ping Flood Flow test Ethernet performance and packet loss

本程基于linux系统下用Qt实现了计算器的加减乘除功能，并通过了检验。-The process under linux based systems using Qt to achieve a calculator arithmetic functions, and passed the test.