随随

SQL：http://www.w3school.com.cn/sql/sql_union.asp

Shell ：http://www.runoob.com/linux/linux-shell-variable.html

Redis面试题及分布式集群：

https://blog.csdn.net/yajlv/article/details/73467865

Lua 教程：

http://www.runoob.com/lua/lua-tutorial.html

curl -X
try this?
x means for proxy
X means for method assigned

详解web容器 - Jetty与Tomcat孰强孰弱

https://www.cnblogs.com/crazyacking/p/5734849.html

MongoDB ：

 http://www.runoob.com/mongodb/mongodb-connections.html

 Memcached：

http://www.runoob.com/memcached/window-install-memcached.html

Windows 平台安装 MongoDB

http://www.runoob.com/mongodb/mongodb-window-install.html

设计模式：

http://www.runoob.com/design-pattern/design-pattern-tutorial.html

解码

https://jwt.io/

https://blog.csdn.net/u012581453/article/details/53709623

https://www.cnblogs.com/bqcoder/p/6089101.html

https://blog.csdn.net/answer100answer/article/details/77658097

https://blog.csdn.net/cilen/article/details/7744969

https://www.cnblogs.com/linghu-java/p/5735876.html

https://www.cnblogs.com/Eason-S/p/5851078.html