shenghuiping2001的专栏

1：今天当我mysql 的时候，报错： [root@oc2246430752 etc]# mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) 后来，当我安装好： yum install -y mariadb-server ...

问题：在redhat 上pip install mysql-python，报错如下 # pip install mysql-python Downloading/unpacking mysql-python Running setup.py egg_info for package mysql-python sh: /usr/bin/mysql_config: No such fil...

系统： redhat Python ： Python 3.7 安装 MySQL-python ，结果出错： ImportError: No module named 'ConfigParser' Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-ry1be27_/mysql-pyth...

1： 关于list 的排序和 最大最小值： theList = [1, 2, 33, 3, 4] low = min(theList) print (low) high = max(theList) print(high) theList.sort() print (theList) 看一下output: 1 33 [1, 2, 3, 4, 33] 2: 看一下remove 和pop...

报错如下： Traceback (most recent call last): File "/usr/lib/python2.7/encodings/__init__.py", line 74, in search_function entry = _cache.get(encoding, _unknown) AttributeError: 'NoneType' object has no ...

1: 先把下面表格再EXCEL 中保存： name city age salary birthday david shanghai 39 12000 1981-08-20 jerry shanghai 40 12001 1981-08-21 tina beijing 41 12002 19...

1: 先参考link: https://blog.youkuaiyun.com/pfm685757/article/details/46122225 发现我已经安装好了ipython, 在linux 里面input ipython 出现其安装目录: /usr/local/bin/python3.7 2: 参考上面link 的方法，在 setting --> project interpreter -...

1：今天当我尝试向数据库里面插入数据： 先看一下 database 里面的database: mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | s...

新建一个Python project, 里面建一个python file: connect_DB.py import pymysql # 打开数据库连接 db = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='Sheng2020', db='mysql', charset='utf8') cursor = d...

安装mysql数据库 1、安装工作： 下载 mysql 源安装包 [root@ming ~]# wget http://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm 安装 mysql 源 [root@ming ~]# yum loca...