This is the first article in a two-part series where we show how to build your own anti-bot system to protect a login ...

打开浏览器的时候，你有没有想过，地址栏也能玩游戏？大多数人肯定没这么想过——毕竟它平时的功能也就那么简单：输入网址、回车、加载网页。但一些程序员总能做些让人意想不到的事。

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...