Super detailed tutorial on MySQL 8.0.20 installation and configuration under Win10 system
Super detailed tutorial on MySQL 8.0.20 installation and configuration under Win10 system
MySQL DownloadInstallation and configuration
MySQL Download
MySQL can be downloaded directly from the official website. Select the community version (free) to download. Link: https://dev.mysql.com/downloads/mysql/. Select Microsoft Windows in the selec ...
Posted by convinceme on Tue, 29 Mar 2022 12:20:17 +0300
day 05 DQL data query language --- connection query --- enter the room
Because sql statements are not case sensitive, all commands in this article use lowercase for convenience
Previous contents
day 01 first knowledge of Mysql and DDL data definition languageday 02 DML data operation languageday 03 DQL data query language -- a first glimpseday 04 DQL data query language - single table query - a slight succ ...
Posted by kampbell411 on Tue, 29 Mar 2022 07:33:25 +0300
springCloud cluster case building
springCloud is a popular microservice framework at present. It can easily and quickly build distributed projects. Now let's use idea to create a simple case of springCloud distributed cluster
Open idea
1. Create a maven parent module
Delete src directory
pom. The XML is as follows
<?xml version="1.0" encoding="UTF-8"?>
<project ...
Posted by mega77 on Tue, 29 Mar 2022 04:27:25 +0300
Spring cloud fuse monitoring Hystrix Dashboard
preface
SpringCloud is the leader in micro services and the best landing scheme.
The Hystrix component in spring cloud can realize fusing, but in practice, it is generally necessary to visually see the invocation of various services,
At this time, another component of spring cloud is used: Hystrix Dashboard.
Hystrix Dashboard is a tool for ...
Posted by MikeyNoedel on Tue, 29 Mar 2022 04:04:24 +0300
SpringCloud Nacos Getting Started tutorial
1, Nacos overview Official address: https://nacos.io GitHub address: https://github.com/alibaba/nacos 1 what is Nacos Nacos is a new open source project launched by Alibaba. It is a dynamic service discovery, configuration management and service management platform that is easier to build cloud native applications.
Nacos is committed to helpin ...
Posted by subcool on Tue, 29 Mar 2022 03:46:52 +0300
Spring cloud Nacos implements configuration center and registration center
SpringCloud+Nacos configuration center and registry application
1. Version Description
Serial number
name
Version number
1
spring-boot
2.1.1.RELEASE
2
spring-cloud
Greenwich.RELEASE
3
spring-cloud-alibaba
2.1.2.RELEASE
Introducing pom
......
<parent>
<groupId>org.springframework.boot</groupId>
...
Posted by duke on Tue, 29 Mar 2022 03:45:05 +0300
Database computer experiment 3 (cursor)
For database Experiments 1 and 2 and database creation, please Refer here What is a cursor? Cursor is a data buffer set up by the system for users to store the execution results of SQL statements. Each cursor area has a name. Users can use SQL statements to obtain records from the cursor one by one, assign them to the main variable, and submit ...
Posted by Reef on Tue, 29 Mar 2022 02:46:55 +0300
[C + + initial level: String class] string class | shallow copy and deep copy (traditional writing and modern writing) | Simulated Implementation of string class
[write before]
Here we have to learn to read the documents by ourselves, because there are more than 100 interface functions for this string class, which we can't remember. We usually use about 20. Generally, we are familiar with them. If we really want to use them, we can check the documents. You can see that string is actually a sequence ...
Posted by synstealth on Tue, 29 Mar 2022 02:06:47 +0300
RabbitMQ-3.8.1 cluster configuration management
Article catalogue
1 Environmental preparation2. Configure rabbitmq single node mode3. Configure rabbitmq normal cluster4. Configure rabbitmq mirror cluster (ha)5 rabbitmq configuration file description
1 Environmental preparation
Analysis of hosts of two hosts
vim /etc/hosts
192.168.9.131 rabbitmq-9-131
192.168.9.132 rabbitmq-9-132
Get pa ...
Posted by angulion on Mon, 28 Mar 2022 05:55:48 +0300
Maven configuration tutorial
1 Maven Download
Maven official website download address: http://maven.apache.org/download.cgi
Download Maven's compressed package and decompress it. The directory structure after decompressing is as follows:
2 Maven common configuration
Premise: JDK must be installed before configuration.
2.1 environment variable configuration
Open con ...
Posted by Leveecius on Sun, 27 Mar 2022 13:28:03 +0300