Java
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Detailed explanation and comparison of spring transaction isolation and transaction propagation
Detailed explanation and comparison of spring transaction isolation and transaction propagation Spring is the administ…… -
Spring Security Oauth2. 0 implementation of SMS verification code login example
This article introduces spring security oauth2 0 realizes the login example of SMS verification code, which is shared …… -
Explain in detail how to use spring security OAuth to implement OAuth 2.0 authorization
OAuth 2.0 is an industrial level authorization protocol. OAuth 2.0 is inherited from OAuth 1.0, which was created in 2…… -
How to install Jenkins on CentOS
Jenkins is an open source continuous integration tool written in Java. It can be installed directly on CentOS through …… -
Code explanation of traditional thread synchronous communication technology of Java concurrency
This paper mainly studies the code examples of Java Concurrent traditional thread synchronous communication technology…… -
Resolve the “XML parser error on line 1: content not allowed in preface” error
When publishing a project with eclipse, if you edit the XML file in the project with the Notepad provided by windows a…… -
Introduction and example analysis of spring transaction isolation level
This paper mainly studies the introduction and examples of spring transaction isolation level, as follows. When two tr…… -
Detailed steps for installing Jenkins under CentOS 7 system
This article mainly introduces the relevant contents about installing Jenkins in CentOS 7 for your reference and learn…… -
Java graphic verification code generation tool class web page verification code
Recently, I made a verification code and found many problems with reference to online cases. I specially modified and …… -
Spring boot example tutorial for creating non executable jar packages
We often have this scenario. We just need to turn spring boot into an ordinary jar package without a configuration fil…… -
JSP spring boot / cloud uses filter to prevent XSS
JSP spring boot / cloud uses filter to prevent XSS I preface XSS (cross site scripting attack) Cross site scripting is…… -
Implementation example of oauth2 logoff under spring cloud
Following the above implementation of oauth2 based authentication and authorization under spring cloud, we will implem…… -
Introduction to using preconditions to check incoming parameters in Java
Preconditions is a class library in guava, which is used to check the incoming parameters. A common usage is as follow…… -
Explanation of enumset instead of bit field code in Java
This paper mainly studies the related content of enumset instead of bit field in Java, which is introduced as follows.…… -
Java implementation of string permutation and combination
This paper introduces the string arrangement and combination in Java for your reference. The specific contents are as …… -
Code examples of two ways to obtain session in Hibernate
Session: it is a session between an application and a database. It is the center of Hibernate operation and the basis …… -
Hibernate implements the analysis of adding, deleting, modifying and querying operation examples through session
Today, I learned how to add, delete, modify and query the database through hibernate. Here is a brief introduction: Fi…… -
Quickly learn about session in Hibernate
Session in Hibernate is a level-1 cache, which can be understood as a process level (thread bar) cache. It always exis…… -
Java code implementation of picture overlay effect
This example shares the specific code of Java to realize the display of picture superposition effect for your referenc…… -
Detailed explanation of spring boot integration mybatis (annotation method)
Mybatis is an excellent persistence layer framework that supports customized SQL, stored procedures and advanced mappi…… -
Java implementation uses FreeMarker to perfectly export word documents (with pictures)
preface Recently, in the project, due to the customer's requirements, the page content (such as contract agreement) wa…… -
Java reads the picture from the network and saves it to the local instance
This example shares the specific code that Java reads pictures from the network and saves them locally for your refere…… -
Java implementation of fuzzy matching files under a folder and delete function example
This example describes the function of fuzzy matching and deleting files in a folder implemented in Java. Share with y…… -
Detailed explanation of the method of using condition class to operate lock in Java multithreaded programming
The function of condition is to control the lock more accurately. The await() method in condition is equivalent to the…… -
Summary of this escape problem in Java Concurrent Programming
This escape means that other threads hold a reference to the object before the constructor returns Calling methods on …… -
Java implementation of simple console address book
The sub menus at all levels are controlled through the main menu, and the functions of adding records, finding records…… -
Java array permutation and combination problem summary
During the interview or written examination, I have encountered the following four hand tearing algorithms for arrange…… -
In depth analysis of zuul filter built in spring cloud
preface Spring cloud is written and enabled for zuul by default. What are the functions of these filters? We might as …… -
Java generate graphic verification code tool class
Generate verification code effect ValidateCode. Java verification code generation class ImgFontByte. java ValidateCode…… -
Method to solve the problem of invalid hibernate 4 execution of save() or update()
Recently, I encountered a problem when writing the online mall project: Hibernate did not have any effect after execut…… -
Judgment of Java interview question parsing and prevention of SQL injection
This paper mainly studies a common question in Java interview questions, the problem of judging and preventing SQL inj…… -
2018 Java technology interview questions sorting
1. Servlet execution process The client sends an HTTP request, and the web server forwards the request to the servlet ……