自定义键盘，Ipad 工程中不一定要用系统自带的键盘，我们可以人为改造-Custom keyboard, Ipad project does not use the system comes with the keyboard, we can transform human

WhatsMyIP. Know the IP to which you connect.

LinPhone是一个IP电话工具，运行于Linux下。它能够让你通过internet来查询朋友的IP，并通过IP给他打电话。-LinPhone is a IP phone tools, running on Linux. It allows you to query by Internet friend IP, and through IP call him.