Java
-
Subject of Shiro actual combat series (10)
There is no doubt that the most important concept in Apache Shiro is subject. " Subject 'is just a security term, whic…… -
Integration of SSM framework (Maven example)
Many friends report errors in Maven because of POM file dependency Today, I quickly set up the SSM framework to ensure…… -
JS to clear cookies
Recently, the new system development uses cookies to store user information and uses DES encryption Tools are as follo…… -
com. sun. org. apache. regexp. Internal does not exist
Error reason: an error is reported when importing idea from TX LCN (version 5.0.2). Solution: remove this line of guid…… -
Application of inheritance of Java features
Inheritance is for reuse. Reuse is to reduce redundant code and improve development efficiency. This time I talk about…… -
Spring cloud config
What are the main applications of the configuration center, that is, the config component in spring cloud? This articl…… -
Form processing in spring (17)
Form processing is very common in actual development, such as login, registration, addition, modification and so on. I…… -
Annotation based configuration in spring (7)
Annotation based configuration Since spring 2.5, you can use annotations to configure dependency injection. Instead of…… -
Summary and architecture of spring (I)
Personal description: This link is referenced in the following section: https://www.tutorialspoint.com/spring/spring_a…… -
Talk about javac
The Java language has the Java language specification, which describes in detail the morphology and syntax of the Java…… -
org. springframework. beans. factory. Beancreationexception: error creating bean with name ‘jpamappingcontext
Background of error: migrate the blog project previously written in eclipse to idea. The ecilpse project has never bee…… -
ThreadLocal memory leak
I saw an article about ThreadLocal memory leak on the Internet some time ago Therefore, I also studied the ThreadLocal…… -
Shiro actual combat series (IX) Web
1、 Configuration The easiest way to integrate Shiro into any web application is on the web Configure contextlistener …… -
Druid monitoring configuration
Druid has many new features compared with the traditional c3p0, DBCP and dbcp2 You can online monitor the database and…… -
Comparative analysis of mybatis + hibernate + jdbc
At present, mybatis is used most as a persistence layer because it meets the variability of Internet development. Ther…… -
Authorization of Shiro actual combat series (6)
Authorization, also known as access control, is the process of resource access management. In other words, control who…… -
Reflection technology of mybatis + JDK dynamic agent + cglib agent
1、 Reflection Description of Baidu Encyclopedia: -
Shiro practical combat series (I): introduction to practical combat
1、 What is Shiro? Apache Shiro is a powerful and flexible open source security framework that cleanly handles authent…… -
Spring configuring cross domain requests
This article focuses on the Spring + spring MVC + mybatis / mybatis plus framework environment, including springboot. …… -
JSON array parsing in Java
Recently, I got through the related APIs of blog Park and other third-party APIs. Because the system I developed needs…… -
com. sun. org. apache. regexp. Internal does not exist
Error reason: an error is reported when importing idea from TX LCN (version 5.0.2). Solution: remove this line of guid…… -
List processing of new features in Java 8
grouping: Filter (single condition): Filter (multi criteria): -
Shiro actual combat series (4) configuration
Shiro configuration Shiro is designed to work in any environment, from the simplest command-line application to the la…… -
net. sf. jsqlparser. statement. select. PlainSelect. getGroupByColumnReferences()Ljava/util/List;
Error message: This error caused me to fail to start the project. Error reason: it is found that it is caused by the c…… -
Kisso of open source project
Kisso open source project: https://gitee.com/baomidou/kisso 1、 Introduction Kisso = cookie SSO cookie based SSO middl…… -
Java creates files and writes data
Application scenario: take OJ project as an example to create corresponding In or Out file and write the relevant data…… -
Batch addition example of SSM framework (synchronous request JSP view parsing)
Preparation environment: SSM framework + jdk8 / JDK7 + mysql5 7 + maven3up + tomcat8 / 7 application server Example de…… -
Event handling in spring (9)
The core of spring is ApplicationContext, which manages the full life cycle of beans. ApplicationContext publishes cer…… -
AOP of spring (11)
A key component of the spring framework is the aspect oriented programming (AOP) framework. Aspect oriented programmin…… -
Remember an eclipse question about JDK and JRE and talk about javac
Today, my colleague encountered a problem and found that the import package actually reported an error, but the packag…… -
Easypoi import Excel
Easypoi's excel export function is as simple as its import function. As I stressed before, the essence of easypoi is P…… -