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vue2.0 and vue3 Difference between 0 Rewrite the implementation of virtual DOM (skip static nodes and only deal with dynamic nodes).update performance is improved by 1.3 ~ 2 times.SSR (service processing) speed is increased by 2 ~ 3 times.You can clip useless modules and package only what you need (package on demand).Not limited to a single ro ...

Wazuh consists of three parts: Agent side, Server side and ES side The following figure is the official overall structure diagram: Agent The agent side is responsible for information collection, threat prevention, detection and response. Continue to watch in detail~~ The following figure shows the official detailed architecture of the Agent ...

  catalogue View source code method Object class Definition and Application 1. toString() 2. equals( ) Packaging Definition and Application boxing and unboxing Self implementation of packaging class Let the Object class receive the basic data type through the wrapper class Object comparison of wrapper class Conversion between wrap ...

1, First, create a product and a device on OneNet 1. Create MQTT products Step 1: Step 2: Step 3: After clicking OK: 2. Add device to product Step 1: Step 2: Step 3: after creation, you can view the ID and Key of the device. 3. Create data flow for device Step 1: Step 2: Step 3: 2, Test MQTT using MQTT software provided by ...

B subject Use n-1 roads to link n cities. Each city has its own value ai. When building roads, it will lose the value of gcd(ai,aj). What is the minimum loss value Unlike before, random numbers are generated, and the data is large thinking At first, I thought that the minimum spanning tree would time out, but I couldn't think of anot ...

I. Introduction of models The factory method mode considers the production of a kind of products, such as TV factory only produces TV, pizza shop only produces pizza, etc. Similar products are called the same grade, that is to say: the factory method mode only considers the production of products of the same grade, but in real life, many fact ...

Original link: http://www.cangfengzhe.com/wangluoanquan/37.html This article mainly introduces the programming and analysis of digital certificate, a very core element in PKI public key system. When communicating with SSL, SET and other security protocols, the digital certificate is used for identity authentication between the communication pa ...

preface This article is flutter_ hybird_ Practice and technology sharing of WebView cross process rendering One of the research notes in the development process. If there are errors, please point them out. Source code analysis First, let's take a general look at the inheritance structure of webview: public class WebView extends MockView { ...

I abstract class 1. What is an abstract class First, let's review an example mentioned in the previous article: printing graphics class Shape { public void draw() { // Don't do anything } } class Cycle extends Shape { @Override public void draw() { System.out.println("○"); } } class Rect extends Shape { @Over ...

PYTHON crawler diary 02 - Data Visualization Record your learning reptile diary 1. Environmental preparation linux environment python3 6 + (there are many online tutorials here, so choose one that is more effective Installing Python 3 on Linux)) linux nginx environment (choose your favorite version) https://nginx.org/download/ ) linux guni ...