ERROR 2003 (HY000)
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解决ERROR 2003 (HY000): Can‘t connect to MySQL server on ‘localhost‘ (111)的问题
最近在学习Django框架，于是在Windows系统上搭建了Django环境，并使用虚拟机Ubuntu系统上安装的mysql作为项目的远程数据库，前几天一直用得好好的，今天在虚拟机上连接数据库时，[详细]
2024-09-21 09:10 分类：数据库 How to represent a list of points in R
I am working with a large list of points (each point has three dimensions x,y,z). I am pretty new with R, so I would like to know what is the best way to represent that kind of information.As far as[详细]
2022-12-28 19:44 分类：问答
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