User verification and authorization process call stack 2 of shrio (detailed)

shiro's process of permission management 1, Login authentication After the request is initiated: it will judge which permissions are needed through doFilter. Before reviewing shiro, you need to have a certain understanding of springMvc. According to the debug, review the processing flow of MVC - a ...

Posted by ClaytonBellmor on Sat, 20 Jun 2020 08:52:06 +0200

java SPI 03-ServiceLoader jdk Source Parsing

Series Catalog What is spi 01-spi?Getting Started spi 02-spi battle resolution slf4j package conflict problem spi 03-spi jdk for source code parsing spi 04-spi dubbo for source code resolution spi 05-dubbo adaptive extension adaptive expansion spi 06 - Implement SPI framework from scratch spi 07-Automatically generate SPI profile implementatio ...

Posted by frizzo on Thu, 18 Jun 2020 20:26:14 +0200

ContentService simple analysis

ContentService uses the observer mode, and APP registers Uri messages of interest to ContentService through ContentResolver.When the corresponding data changes, ContentResolver calls the notifyChange function to notify ContentService of the corresponding Uri data changes, ContentService queries the corr ...

Posted by anoesis on Thu, 18 Jun 2020 18:22:30 +0200

Account management and DDL language of mysql database

mysql database account management and DDL language 1, Database account management 1. Account creation and password modification 2. Create Zara account, password zara123, only with query permission 2, mysql four engines 3, Table management 1. Library management 1. Library creation 2. Modification ...

Posted by bryansu on Thu, 18 Jun 2020 09:48:37 +0200

4 Openstack-Ussuri-Keystone cluster deployment-centos8

The main functions of Keystone are as follows: 1 manage users and their permissions; 2. Maintain the Endpoint of OpenStack service; 3 Authentication and authentication. 4.1 configure Keystone database #Create database in any control node, the database is automatically synchronized, take controller 1 ...

Posted by Sooz719 on Thu, 18 Jun 2020 05:36:15 +0200

A variety of encryption schemes coexist in Spring Security, which is a powerful tool for the integration of old and dilapidated systems!

About the problem of password encryption, brother song has talked with you before. For reference: Two ways of password encryption in Spring Boot! In this article, song introduced two kinds of encryption schemes, but both of them are used independently! Can multiple password encryption schemes exist in the same project at the same time? The an ...

Posted by FlipinMonkeyPie on Thu, 18 Jun 2020 04:58:42 +0200

Python Sao operates the mouth of trump, the deceptive ghost!

preface The text and pictures of this article are from the Internet, only for learning and communication, not for any commercial purpose. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Author: pk Ge PS: if you need Python learning mater ...

Posted by dmikester1 on Wed, 17 Jun 2020 09:34:49 +0200

Mybatis Source Interpretation--Data Source Module (Factory Mode)

The data source module for Mybatis is located inOrg.apache.ibatis.datasource. Common data source components are implementedJavax.sql.DataSourceInterface.Within Mybatis, third-party data source components are integrated, and data source implementations are provided.In general, data source initializat ...

Posted by sane993 on Wed, 17 Jun 2020 02:59:26 +0200

xtrabackup for MySQL database backup

Mysqldump is a logical backup method. Its biggest defect is that the speed of backup and recovery is slow. For a database less than 50G, this speed is acceptable. But if the database is very large, it is not suitable to use mysqldump backup again. At this time, you need a kind of easy-to-use and efficient tool. Xtrabackup is one of them, known ...

Posted by motofzr1000 on Tue, 16 Jun 2020 10:20:51 +0200

Install MySQL on Ubuntu 20.04

How to install MySQL on Ubuntu 20.04 MySQL is the most popular open source relational database management system. It's fast, easy to use, easy to expand, and part of the popular LAMP and LEMP. This guide explains how to install and protect MySQL on Ubuntu 20.04. prerequisite Make sure you are logged in as sudo user Install MySQL on Ubuntu At th ...

Posted by dorgon on Tue, 16 Jun 2020 08:57:06 +0200