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
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
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
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
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
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Author: pk Ge
PS: if you need Python learning mater ...
Posted by dmikester1 on Wed, 17 Jun 2020 09:34:49 +0200
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
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
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.
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