虚拟环境：
https://www.cnblogs.com/heymonkey/p/11762866.html
Redis各种命令：
https://www.cnblogs.com/gxlaqj/p/11588144.html
Flask配置：
https://www.cnblogs.com/12345huangchun/p/10684782.html
Django/settings.py配置：
https://www.cnblogs.com/wangxiaosai/p/13882073.html
https://www.cnblogs.com/wangxiaosai/p/13887903.html
Git命令：
https://blog.csdn.net/halaoda/article/details/78661334
https://blog.csdn.net/zeng092210/article/details/95622318
国内镜像源：
https://blog.csdn.net/bigsungod/article/details/107756014
算法问题和解题思路：
https://www.nowcoder.com/exam/oj
