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1. AOP use case of JDK dynamic proxy public interface PersonService { void sayHello(); } public class PersonServiceImpl implements PersonService{ @Override public void sayHello() { System.out.println("lwh sayHello"); } } @Aspect public class Proxy1 { @Pointcut("execution(* *.sayHello(..))") public void sayHell ...

React Source Reading-2 In a typical React data stream, props is the only way for parent components to interact with their children. To modify a subitem, reproduce it using new props. However, in some cases, subitems need to be forced to be modified outside of the typical data stream. The child to be modified can be an instance of the react comp ...

React Source Reading-4 Context Context provides a way to pass data through a component tree without having to pass props attributes manually at each level. When to use Context Context aims to share data that can be considered "global" within a component tree, such as currently authenticated users, topics or preferred languages. con ...

New Flutter Project Open Andorid Studio, appear the following interface, select the second option, and create a new Flutter project. After opening the second window, select the first option, Flutter Application, and click Next. Fill in or select the project name, Flutter SDK installation path, project save path and project description r ...

Catalog Loading property order Random attribute Command Line Properties Application property file Profile-specific attributes Placeholders in attributes YAML attribute Access attribute Multi-profile configuration Disadvantages of YAML Attribute prefix Loose binding rules for attributes Attribute transformation Time U ...

After obtaining all the enhancements of the corresponding bean s, the agent can be created. Back to the wrapIfNecessary method of AbstractAutoProxyCreator, as follows: 1 protected static final Object[] DO_NOT_PROXY = null; 2 3 protected Object wrapIfNecessary(Object bean, String beanName, Object cacheKey) { 4 if (StringUtils.hasL ...

Strict model advantages: Eliminate some unreasonable and imprecise aspects of Javascript grammar and reduce some unexpected situations.Eliminate some unsafe aspects of code operation to ensure the safety of code operation;Improving the efficiency of compiler and increasing the running speed;Note that the same code may have different results in ...

html test paper (including latex) downloaded into word   The main objectives are: Share the html format test papers with latex downloaded in word format, and add some flexible typesetting style Receive reviews from the masses and get feedback Cheat for reward, or github star Demand Background: html test paper with latex formula, downl ...

1,ApplicationContext ApplicationContext ctx = new ClassPathXmlApplicationContext("beanFactory.xml"); public ClassPathXmlApplicationContext(String configLocation) throws BeansException { this(new String[] {configLocation}, true, null); } public ClassPathXmlApplicationContext(String[] configLocations, boolean refresh, ApplicationContext pare ...

I. Brief Introduction As shown in the following figure, according to the way the interface is written, it can be divided into traditional layout and new layout. Linear layout: ** is the most commonly used layout in demo practice. It can be divided into two types: horizontal and vertical, that is, to set its attribute orientation: "vertic ...