Programmer Think

First, let's understand what message queue MQ is? Message queuing and RocketMQ Message queuing MQ Message Queue (MQ for short) is a cross process communication mechanism, which is usually used for asynchronous data transmission between applications. MQ products are usually called "message middleware" in the architecture. Its main r ...

public class App { public static void main(String[] args) { ApplicationContext context = new FileSystemXmlApplicationContext( "C:/work/IOC Containers/springframework.applicationcontext/src/main/resources/bean-factory- config.xml"); HelloApplicationContext obj = (HelloApplicationContext) context.getBean("helloApplicationContext"); obj.getMsg ...

✅ Spring framework learning    this project mainly summarizes my learning process of Spring framework, which will include some experience, source code practice, and my understanding of some knowledge points, so as to facilitate continuous learning, timely and efficient review and review on the way of continuous learning, and summari ...

1. Single instance Bean declaration **By default, Spring only creates a unique instance for each bean declared in the IOC container, which can be shared across the IOC container: all subsequent getBean() calls and bean references will return this unique bean instance. This scope is called singleton, * * it is the default scope for all bean ...

//Incoming JS object jQuery(object) //Incoming jQuery object jQuery(jQuery object) //Create a DOM element by passing in a string from the original HTML jQuery(html,[ownerDocument]) jQuery(html,[attributes]) //Pass in null parameter jQuery() //Bind a function that executes after the DOM document is loaded jQuery(callback) Therefore ...

If objects implement both the InitializingBean and the common initialization methods provided, the order of execution? Answer: InitializingBean is executed first, then general initialization method is executed. The injection must occur before the initialization operation. What exactly is an initialization operation? Initialization of resourc ...

summary preface ================================================================ Through the previous ten blogs, we have summarized and completed various login methods, such as form login, SMS verification code login and social account login. However, when the front and back ends are separated, the token based authentication method will be ...

In the ABP VNext framework, even in all the cases it provides, there is no case introduction of Winform program, but a console program is provided in the microservice solution to understand the calling and processing of its IDS4. Because I have developed many Winform projects, the Winform client is included in the ABP rapid development framewor ...

Why does TestNg become the first choice of Java testing framework? What are you hesitating about? Look at it! We have analyzed the reasons for choosing TestNg from multiple perspectives and also understood the runtime life cycle of TestNg. In this article, we will learn the @ Test annotation and the use of various parameters in detail. 1, Bas ...

1. Distributed delivery objects, or network transmission, need to be serialized 2. I call the method of your jvm, and the result is returned to my jvm for processing 3. Serialization preserves the state of an object For example, after tomcat is closed, the session object will be serialized to sessions In the ser file, load these sessions int ...