计算机网络
1.TCP/IP协议
https://github.com/zqjflash/tcp-ip-protocol
https://snailclimb.gitee.io/javaguide/#/docs/network/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C
操作系统
数据结构与算法
https://github.com/dashidhy/algorithm-pattern-python python
C++
1.基础知识
https://blog.csdn.net/Augenstern_QXL/article/details/117253730?spm=1001.2014.3001.5501 c++核心编程（二）
https://blog.csdn.net/Augenstern_QXL/article/details/117253848 c++提高编程（三）
2.笔试/面试
c++面经：https://www.nowcoder.com/discuss/experience?tagId=640