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If you don't know what Dockerfile is, you can check my previous blog:https://blog.51cto.com/14557905/2489466Dockerfile image production practiceThree steps for Dockerfile to create image1, Making sshd image1. Write Dockerfile file [root@docker sshd]# vim Dockerfile #base image FROM centos:7 #User information MAINTAINER this is sshd project #B ...

1. Functions 1.1 case conversion function function describe LOWER() All lowercase UPPER() uppercase INITCAP() title case 1.2 String Operating Functions function describe concat() Split String Substr (field, startIndex,endIndex) substr length() String Length Instr (field,'character') Location index where specified characte ...

< center > mybatis reverse engineering < / center > ​ The purpose of reverse engineering is to reduce our development time. The so-called Mybatis reverse engineering is that Mybatis will automatically generate pojo, mapper and mapper.xml according to the data table we have designed. The next step is the project construction proces ...

thanks Download sonarqube-6.4 Download SonarQube Scanner mysql adds a database named sonar and the user sonarqube@sonarqube Unzip SonarQube and modify the database configuration and user configuration of the configuration file [root@localhost pig]# vim sonarqube-6.4/conf/sonar.properties # Configure database user na ...

order This paper focuses on my SQL detecting time task of canal MysqlDetectingTimeTask canal-1.1.4/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlEventParser.java class MysqlDetectingTimeTask extends TimerTask { private boolean reconnect = false; private MysqlConnection mysqlConnection; ...

1. Creating Django projects with pycharms Remember to install mysqlclient (1) Database configuration We found the DATABASES configuration item in the settings.py file of the project, and changed its information to: DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', # Or use mysql.connector.django 'NAME': 'u ...

Advanced Date and time import datetime import time # Introduce time Modular import calendar #Get current date time now=datetime.datetime.now() print(now) #Get the specified date d=datetime.datetime(2019,10,1,12,23,40) print(d) #Date to string d2=d.strftime("%Y/%m/%d %H:%M:%S") print(d2) #String to date s="2020-8-15 2:30:20" d3=datetime.da ...

squid forward agent Principle: a machine that can't access the Internet can access the website that can't be accessed through the agent Here I use my real machine as an agent. The virtual machine accesses the website through the agent Operating System: Red Hat Enterprise Linux Server 7.2 (Maipo) squid installation a ...

  After version 1.9, nginx can act as a port forwarding function, that is, to access the specified port of the server, nginx can act as a port forwarding function to direct traffic to another server, and obtain the return data of the target server and return it to the requester. The function of nginx's TCP proxy is different from that ...

Mysql and Redis operations Mysql development Install mysql and create test library Create table mysql> CREATE TABLE `user` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `name` varchar(20) DEFAULT '', `age` int(11) DEFAULT '0', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4; mysql> insert into user (name,age)va ...