解决7z解压速度慢的问题

Pi Day, A great man goes back to the space. His easy to understand scientific books are great for the massive. And his sprit to fight with disease are always encourage us to go to future without fear.

I mounted a HHD disk with my Ubuntu system to store huge amount of files. Once I use rm -rf data/ to delete one data directory, my disk crashed and can not be mounted. When I tried to mount the disk, it

今天百度主任研发架构师、百度地图技术委员会负责人张传明博士来学校做讲座，介绍了一下百度地图制作的一些原理。这里说讲原理，其实讲的是百度地图整个产品研发过程中遇到的各种工程细节问题，整个讲座非常实在，很接地气。张博士主要从数据获取，地图绘制，定位，路径规划几个方面介绍了遇到的各种有趣的工程问题。

黑河-腾冲骑行计划（不断更新）

这是我的第一条Post！ This is my first post!