1. C++ 实践方向
2. 网络编程
3. 多线程编程
4. 操作系统
5. 分布式系统(知乎上面MIT的课程)
string 的实现
https://www.cnblogs.com/promise6522/archive/2012/03/22/2412686.html
https://coolshell.cn/articles/1443.html
https://blog.csdn.net/veghlreywg/article/details/77978204
https://codeday.me/bug/20180306/139066.html
-----内存分布
https://www.ibm.com/developerworks/cn/linux/l-kernel-memory-access/index.html
https://www.ibm.com/developerworks/cn/linux/l-memmod/index.html
https://www.zhihu.com/question/36103513
https://blog.csdn.net/yusiguyuan/article/details/45155035
----分布式系统
https://www.cs.cmu.edu/~srini/15-440/syllabus.html
https://pdos.csail.mit.edu/6.824/schedule.html
