I know how to look up a hostname from an IPv4 in VB using the GetHostByAddr Windows API call (this works great). However, that function does not allow one to specify the DNS server to use. Sometimes t
目录前言示例总结前言 Helium工具是对Selenium的封装,将Selenium工具的使用变得更加简单。Selenium虽然好,但是在它的使用过程中元素的提取还是比较复杂的,不论是cssselector、还是Xpath语法的使用都有一定的学习曲