Programming VIP

Introduction to ActiveMQ: https://my.oschina.net/u/4284277/blog/3212385 SpringBoot Integrates ActiveMQ: https://my.oschina.net/u/4284277/blog/3212387 MQ theoretical knowledge: https://my.oschina.net/u/4284277/blog/3212391 1. Installation Official website: http://activemq.apache.org/ Baidu Disk Address: Link: https://pan.baidu.com/s/1A55X- ...

As important as code readability, strict awareness of exception handling is a developer's professional quality and basic skill. In the early era of J2EE technology, the tight coupling of front and back ends often results in the situation that the back end reports an error directly to the front end, that is, the page is a piece of abnormal code. ...

If the requirements are "abnormal", we can try to extend jBPM, which is easy to be extended, such as event listener, custom activity, Java code activity, etc. Suppose we need to customize the query of the task here, and use multiple attributes as the query criteria. In order to implement this function in the current task ...

My personal website Install php Installation preparation yum install \ vim \ gcc \ gcc-c++ \ wget \ make \ re2c \ libtool \ automake \ autoconf \ curl-devel \ libpng-devel \ libxml2-devel \ libxslt-devel \ openssl-devel \ freetype-devel \ bzip2-devel \ libicu-devel \ libuuid-devel \ libmcrypt-devel \ postgresql-devel \ -y Install php cd /ro ...

Preface 1.1 principle The core of websocket is to store the session information of successful handshake into static variables. However, there are many servers in the distributed system, Tomcat, which use nginx to forward to different tomcat, so it can not guarantee that this Tomcat stores the sessio ...

As shown below, create two controllers to test the jump effect. All of the following jump modes take these two controllers as examples. ♛ 1 sendRedirect mode response.sendRedirect("redirect: mapping path? Parameter name =" + parameter value); ♛ 2 forward mode package com.demo.controller.Jump; import lombok.extern.slf4j. ...

Spring MVC interceptor and file upload Summary Spring MVC's processor interceptor is similar to the Filter filter in Servlet development, which is used to preprocess and postprocess the processor. Developers can define their own interceptors to implement specific functions. The difference between fi ...

Preface: Speech evaluator: Through intelligent speech technology, it can automatically evaluate the pronunciation level, locate the pronunciation errors and defects, and analyze the problems. At present, the assessment of sound provides the assessment of Chinese and English, and supports three types of ...

As you all know, php is constantly updated and expanded, and each version has a performance improvement. Next, I will explain the new features of php 7. X. I will explain the features of each version. New features of PHP7.0 New features of PHP7.1 New features of PHP7.2 New features of PHP7.3 New features of PHP7.4 N ...

MyBatis avoids almost all JDBC code and manual setting of parameters and getting result sets. But the cost is to need tedious configuration, but these configurations are almost the same, but they are very complex. With the help of plug-ins, you can write configuration files more easily, or record the co ...