C++: Encapsulation principle of map and set

Article directory Red-black tree packaging Encapsulation of map and set Implementation of red-black tree iterator Implementation of operator + + and — ++ implementation process Other modules for iterators For implementing const solution to set map solution overall implementation This article was written after the red-black tree simulation was implemented, and map and set were […]

Encapsulation and use of JWT in ASP .NET Core

JWT principle: JWT principle Configuring JWT (1) Write the JWT configuration node, and create two configuration items SecKey and ExpireSeconds under the node, which represent the key and expiration time of the JWT respectively (I configured it here in appsettings.json, the expiration time unit is seconds, you can adjust it according to your own situation […]

Unity WebRequest GET-POST simple encapsulation

1. Key code 1.1 Coroutine implementation using System; using System.Collections; using UnityEngine; using UnityEngine.Networking; public class WebRequest : MonoBehaviour { /// <summary> /// GET request /// </summary> /// <param name=”url”>Request address</param> /// <param name=”callback”>Request completion callback</param> public void Get(string url, Action<bool,string> callback) { StartCoroutine(CoroutineGetRequest(url, callback)); } /// <summary> /// POST request /// </summary> /// <param […]

FFMPEG library implements encapsulation and separation of mp4/flv files (H264+AAC)

ffmepeg 4.4 (available for personal testing) 1. Use the FFMPEG library to encapsulate 264 video and acc audio data into mp4/flv files Encapsulation process 1. Use avformat_open_input to open the video and audio files respectively, initialize their AVFormatContext, and use avformat_find_stream_info to obtain basic encoder information. 2. Use avformat_alloc_output_context2 to initialize the output AVFormatContext structure […]

HTML+CSS, Vue+less+, HTML+less component encapsulation to implement secondary menu switching style running (including all codes)

1. HTML + CSS secondary menu <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″ /> <meta name=”viewport” content=”width=device-width, initial-scale=1.0″ /> <title>Document</title> <link rel=”stylesheet” type=”text/css” href=”nav.css” /> <script src=”bottom.js” defer></script> </head> <body id=”body”> <!–Big frame–> <div class=”box”> <div class=”nav1″> <!–Horizontal navigation bar–> <div id=”logo” class=”logo”> <p><img src=”logo.png” width=”100px” height=”99px” /></p> </div> <ul> <li class=”special”><a href=”#”> HOME</a></li> <li […]

Springboot integrates redis, mybatis-plus and websocket exception framework code encapsulation

In the process of software development, a well-encapsulated, concise and elegant Family Bucket framework can greatly improve the work efficiency of developers, while also reducing the complexity of the code and making it easier to maintain in the future. The source code involved in this article is at the end of the article, with a […]

Lightweight encapsulation WebGPU rendering system example <21> – 3D rendering of cellular automaton Game of Life (source code)

Implementation principle: basic PBR lighting and gpu compute calculation Try to use a data-based/semantic loose description of data to present relevant object logic. Current sample source code github address: https://github.com/vilyLei/voxwebgpu/blob/feature/rendering/src/voxgpu/sample/GameOfLife3DPBR.tsCurrent sample running effect: Other effect screenshots: This example is implemented based on this rendering system. The current example TypeScript source code is as follows: const […]

PHP Curl request encapsulation

curl request module encapsulation in php <?php namespace App\Utils; /** * http tool class * @author Administrator * */ class HttpUtils { private static $_instance; private function __construct() { } public static function getInstance() { if( null == self::$_instance ) { self::$_instance = new HttpUtils(); } return self::$_instance; } /** * http curl request * […]

c++: encapsulation, inheritance, polymorphism

Table of Contents introduction 1. Encapsulation 1. What is packaging? 2. Why encapsulation? 3. Access control modifiers 4. Design and implementation of classes 5. Advantages of packaging 2. Inheritance 1. What is inheritance? 2. Why inherit? 2.1 Inherited permissions diagram 2.2 Single inheritance case 3. Multiple inheritance 3.1 Masonry inheritance 4. Virtual inheritance 4.1 Virtual […]