1、jekins如何发布
https://blog.csdn.net/dhptkq9465/article/details/101505154
https://blog.csdn.net/wh2827991/article/details/78393965
https://blog.csdn.net/forwardto9/article/details/81773401
https://www.cnblogs.com/liyuanhong/p/6548925.html
2、mysql索引
3、jenkins常用的插件
https://www.cnblogs.com/luoahong/articles/8313870.html
4、递归
https://blog.csdn.net/weixin_30698527/article/details/98981752
5、查看mysql是否有索引
https://blog.csdn.net/weixin_34112030/article/details/85982150
6、mysql和es同步
https://www.jianshu.com/p/b0fa28f1c9fb
7、判断二维数组是否为空
https://www.cnblogs.com/zhuyeshen/p/11984765.html
8、grep方法
https://blog.csdn.net/baidu_37964071/article/details/80930126
9、数组的定义
https://blog.csdn.net/xkfanhua/article/details/80544134
10、mysql存储过程
https://www.cnblogs.com/ccstu/p/12182933.html
11、mysql循环插入数据
https://www.cnblogs.com/ya-qiang/p/9016025.html
12、mysql添加索引
https://www.cnblogs.com/a-du/p/7117837.html