在Fedora下安装了一个MySQLWorkbench，运行，连接数据库，在StoreinKeychain时出现了gnomekeyringdaemon错误，不能保存密码，也就连不上数据库。!(https://oscimg.oschina.net/oscnet/408fc9ff18dc7b9212edcdecadb9c72a19a.jpg)

点上方蓝字关注公众号「前端从进阶到入院」作者丨MaxRozen译者丨王强策划丨小智AntDesign!(https://oscimg.oschina.net/oscnet/a85c35f23bd04e5da6a1e5e68a24119b.png)项目链接：AntDesignh

1.shell前言一，什么是shell!Linuxshell编程及自动化运维实现第1章变量(https://s4.51cto.com/images/blog/202009/04/29d10164c845731fba8b649d4bd9478f.png?xossprocessimage/watermark,size_16,tex

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问题：https://leetcodecn.com/problems/perfectsquares/(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fleetcodecn.com%2Fproblems%2Fperfectsquares%2F)给定正整数n，找到若干个

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