内核态用户态
http://www.cnblogs.com/Anker/p/3269106.html
线程 锁
https://casatwy.com/pthreadde-ge-chong-tong-bu-ji-zhi.html
虚函数表
http://blog.csdn.net/haoel/article/details/1948051
计网，浏览器输入url后发生了什么
https://www.zhihu.com/question/34873227
计网基础
https://www.nowcoder.com/discuss/1937
epoll
http://m.blog.chinaunix.net/uid-30374564-id-5572003.html
分布式系统设计
http://www.cnblogs.com/glacierh/p/5734200.html#3513833
TCP拥塞控制
http://www.cnblogs.com/woaiyy/p/3554182.html
TCP调试
http://m.blog.csdn.net/hguisu/article/details/38700899
STL
http://www.cnblogs.com/duoduo369/archive/2012/04/12/2439118.html
进程间通信