是一个 非常方便的 检查你的E-mail地址是否正确的,合法的 算法!经常用于注册性网站的建设!-is a very convenient check your E-mail address is correct and legitimate algorithm! Frequently used in the registration website building!
ruby入门的一个好例子,这是一个用ruby实现的data类。包括了ruby的常用语法-ruby entry of a good example, this is a realization of the data using ruby type. Including the commonly used ruby grammar