Programmer Group

1, What is dependency injection Dependency management is managed and maintained by the spring framework. Other class resources needed by the current class are provided by spring. We only need to declare them in the configuration file. The maintenance of dependency is called dependency injection 2, ...

introduction You must have been tortured by interface documents in the development process. Due to the lightweight and low coupling of RESTful interface, we did not update the documents in time after modifying the interface, resulting in frequent complaints from the interface callers (both front-end a ...

Object of single case management When scope = singleton, that is, by default, it is instantiated when the container is started (that is, when the container is instantiated). But we can specify the lazy init = "true" of the bean node to delay the initialization of the bean. In this case, the be ...

IOC introduction of Spring Spring's IOC idea One of Spring's core ideas: IOC (Inversion Of Control) Inversion Of Control. Inversion Of Control (IOC): it is an important feature of the framework to hand over the creation, initialization, destruction and other work of objects to the framework. It's no ...

Deep learning target tracking 1. Essence: get characteristic map, output classification and location by convolution neural network. 2. Classification of target tracking: ① Single class multitarget tracking: MTCNN, Retinaface ② Multi class and multi-target tracking: RCNN, spp net, fast RCNN / fast ...

Last article recorded The concept of WebApi and simple cognitive WebApi , let's explore its applicable scenarios and how to use it today. Let's briefly talk about the characteristics of WebApi, WCF and WebService, which are widely used: I. WebService is a lightweight and independent communication technology that can receive requests from other ...

Simple Edition Create a test table Create the corresponding JavaBean Create mybatis configuration file and sql mapping file test MyBatis operation database Create MyBatis global profile The global configuration file of MyBatis contains settings and properties information, such as database connection pool information, which affect MyBatis' ...

Introduction to using Spring AOP The two core functions of Spring are IOC and AOP.It's convenient when we use Spring's AOP functionality.You just need to configure it below. @Component @Aspect public class MyAspect { //PointCut matching methods must be methods of bean s in Spring //Pointcut s can be defined in the following ways or combined in ...

The infilate method of layoutinflate is a common method used in Android development, but its parameters make many beginners feel headache. I don't know what they represent respectively. This paper makes a summary combining with several other blogs. The inflater method has the following four overloaded m ...

Rice: I saw the source code of BeanDefinition, BeanFactoryPostProcessor and BeanPostProcessor these two days. Do you want to know Melon: six six six, big man Rice: last time we said that spring IOC container is a typical factory model If we compare Spring to a large factory producing models, then. class files are raw materials. Bean definit ...