IP属地:香港
https://www.2cto.com/database/201610/555167.html
https://baike.baidu.com/item/CAP%E5%8E%9F%E5%88%99/5712863?fr=aladdin
去除所有空格:sed s/[[:space:]]//g
https://blog.csdn.net/u010412301/article/details/67704530
https://github.com/flyingalex/design-patterns-by-php
https://blog.csdn.net/qq_36528114/article/details/78667034
https://www.cnblogs.com/RainyBear/p/5258483.html
https://github.com/ganbo/architect-awesome https://coderxing.gitbooks.io...
https://www.cnblogs.com/maluning/p/7944809.html 目录 一.交换排序 1.冒泡排序 2.快速排序 ...