10 2020 档案

pandas设置值
摘要：import numpy as np import pandas as pd dates = pd.date_range('20200101', periods=6) df = pd.DataFrame(np.arange(24).reshape((6, 4)), index=dates, colu 阅读全文
posted @ 2020-10-29 18:40 要想瘦先吃肉 阅读(95) 评论(0) 推荐(0)
centos 安装新版mysql 没有设置密码
摘要：1）yum install mysql-service 2)systemctl start mysqld.service 连接mysql，初始密码为空，然后执行 3)alter user 'root'@'localhost' identified by '123'; 阅读全文
posted @ 2020-10-19 18:39 要想瘦先吃肉 阅读(406) 评论(0) 推荐(0)