Centos7 implementation of MySQL database backup and recovery

brief introduction MySQL database backup can be divided into logical backup and physical backup. The logical backup tools are mysqldump and the physical backup tools are xtrabackup. The two backup methods have their own advantages and disadvantages Backup tools mysqldump xtrabackup advantage Support hot backup and incremental backup, requ ...

Posted by Gath on Fri, 12 Jun 2020 11:30:10 +0200

Xcu -- data visualization -- Experiment 2

Data visualization experiment 2 preface Through pandas in python, the experiment is completed with bar graph, bar graph and line graph. Title Requirements 1. "Tourism annual data. xls" and "tourism statistical data. csv" are tourism statistical data from 2009 to 2018, includ ...

Posted by shergar1983 on Fri, 12 Jun 2020 08:44:49 +0200

Redis Learning Notes: Java uses Jedis to connect Redis instances (the difference between using String and hash types to store objects)

Foreword: When we need to operate on redis, we need to start the redis-server service first, then start the redis-cli client to connect to the redis server to operate on it, or we can connect redis directly with the visual operation tool to operate on it.But what should we do if we need java programs to ...

Posted by boonika on Thu, 11 Jun 2020 18:11:27 +0200

pikachu range clearance WP

pikachu range clearance WP brute force Brute force solution based on form Verification code bypass (on server) Verification code bypass (on client) token anti explosion? Cross-Stie Scripting Reflective xss(get) Reflective xss(post) Storage xss Dom xss Dom xss-x XSS blind play XSS filtering htmls ...

Posted by Delaran on Thu, 11 Jun 2020 09:42:01 +0200

Detailed explanation of the flash framework of python

Flask itself is equivalent to a kernel. Almost all other functions need to be extended, which needs to be implemented by third-party extensions. For example, you can use flask extensions to add ORM, form verification tools, file upload, authentication, etc. There is no default database for flask. You ...

Posted by Muggin on Thu, 11 Jun 2020 06:29:20 +0200

JSON type of new MySQL 5.7 features

With the wide application of NOSQL database, the extensible storage mode also has a good support in relational database. A new data type, JSON, has been added in MySQL 5.7   JSON data type meaning In fact, without the support of JSON data type, we can save the data in this format by varchar type or text type, but why do we need to specifica ...

Posted by poppy on Wed, 10 Jun 2020 08:47:33 +0200

quartz timing task, two tables for data persistence

Opening notes If you've got inspiration and thinking here, I hope you'll like it! For different opinions on the content, please write and exchange. Technology stack > > java Email > > 15673219519@163.com describe The system needs to use timed tasks to complete some data processing wor ...

Posted by barbgd on Wed, 10 Jun 2020 06:05:02 +0200

How to use Node+MySQL+express to add, delete, modify and query

First of all, thank you for this little sister's video: Bili bilibili - very poor female programmer   List structure attached: 1, Development preparation Node installation and configuration MySQL installation and configuration Database visualization tools: Navcat Interface t ...

Posted by ukspudnie on Tue, 09 Jun 2020 07:08:23 +0200

The way to open Spring Boot: using JPA to get data

1, Spring initialization 1. Open https://start.spring.io/ , fill in the relevant information of the project on this page, add the corresponding dependencies, and then click "GENERATE" to GENERATE a zip file, decompress it in a suitable location on your computer, and then open the project u ...

Posted by ljschrenk on Tue, 09 Jun 2020 06:16:14 +0200

Using Swagger to test the interface, how do I carry Token in the request header?

Questions from a small partner on WeChat: When he saw this, Songge suddenly thought that I had written Spring Boot+Swagger before: SpringBoot Integration Swagger2 Uses of OAuth2 + Jwt have also been written: Want to have fun with OAuth2 and JWT?See Songgo's performance But they haven't been written together yet, so little buddies have ques ...

Posted by raister on Tue, 09 Jun 2020 02:49:02 +0200