Learning Programming

⌨️ Fetch API in JavaScript ✨

🔅 WebSockets Beginners Tutorial with Socket.IO Learn how to implement WebSockets with Socket.IO. WebSockets provide a way for a web browser and a server to communicate with each other continuously without having to close the connection after each exchange. This makes it ideal for real-time applications, like live chat or gaming, where you need quick back-and-forth communication.

🎯 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐤𝐢𝐥𝐥𝐬 𝐟𝐨𝐫 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐁𝐚𝐬𝐞𝐝 𝐂𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 🔥 ✅ A roadmap is the best way to kick-start your attempt to become a front-end developer. 📌 𝗕𝗮𝘀𝗶𝗰 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀: 1. Data types 2. Functions 3. Scope in JavaScript 4. Closure 5. Event loop 6. Prototype and prototype chain 7. Class and inheritance 8. DOM 9. bind/call/apply 10. Promise 11. WebAPI 12. Task queue 13. Call stack 14. Async/await 15. Generators 16. Typescript 📌 𝗕𝗮𝘀𝗶𝗰 𝗛𝗧𝗠𝗟 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀: 1. block element 2. import 3. etc - infinite questions 📌 𝗕𝗮𝘀𝗶𝗰 𝗖𝗦𝗦 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀: 1. Class and other selectors 2. Pseudo Classes 3. Box Model 4. Pseudo Elements 5. CSS type - flex, grid, normal 6. How to center 7. pseudo classes and elements 8. All element states - active, hover 9. Media queries 10. Pre-processors - SCSS or LESS 1. mixins 11. CSS constants 12. BEM 13. Import 📌 𝗕𝗮𝘀𝗶𝗰 𝗪𝗲𝗯 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀: 1. Page rendering cycle 2. HTTP / HTTPS / https2 3. CORS 4. Local storage/Session storage 5. Cookie 6. JWT 7. XHR 8. Micro Frontend 9. REST/GraphQL/Socket connection 10. Browser Concepts 11. Debugging Application 12. Chrome Dev Tool Features 📌 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀: 1. OOPs concept 2. Design Patterns a. Singleton b. Provider c. Prototype d. Observer e. Module f. HOC 3. Understanding V8 in-depth a. JIT b. Interpreter c. Execution d. Compiler 4. Currying 📌 𝗕𝗮𝘀𝗶𝗰 𝗥𝗲𝗮𝗰𝘁𝗝𝗦 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀 (bonus): - 1. Introduction JSX 2. React Component 3. Component State and Props 4. Adding Style (CSS) 5. Functional and Class components 6. React Lifecycle Methods 7. Virtual DOM 8. React Hooks 9. Custom Hooks 10. Context API 11. Synthetic Events 12. Routing 13. Data Flow (Redux/Flux) 14. Server-Side Rendering 15. Unit Testing 16. Jest & React Testing Library 17. Mocking Data 18. Understanding Webpack (Bundler) 19. Babel, env, prettier, linter Free Books and Courses to learn Frontend Development 👇👇 Frontend Development Free Course with Project Frontend Development Roadmap Frontend Developer Free Book Frontend Interview preparation handbook Foundations of Frontend Development Free Udemy course Javascript Resources Like for more ❤️ ENJOY LEARNING👍👍

🔅 Ethical Hacking: Hacking Web Servers and Web Applications 🌐 Author: Malcolm Shore 🔰 Level: Intermediate ⏰ Duration: 1h 39m

🌀 Find out about the protocols used to access websites, and how to test websites and web applications to prevent exploitation through cyberattacks.

📗 Topics: Ethical Hacking 📤 Join Ethical Hacking and Cybersecurity for more courses

Node.js Learning Roadmap: From Basics to Advanced 1. Getting Started with Node.js Introduction to Node.js: What is Node.js and why use it? Difference between Node.js and browser JavaScript. Setup: Install Node.js and npm. Run a simple JavaScript file using Node.js. 2. Core Concepts Modules: Built-in modules (fs, path, os, http). Create custom modules. Import/Export using CommonJS and ES modules. Event Loop: Understand how Node.js handles asynchronous tasks. Package Management: Manage dependencies with npm or yarn. Semantic versioning and package.json file. 3. Building a Server Basic Server Setup: Create a simple HTTP server using http module. Express.js Framework: Introduction to Express. Routing, middleware, and request handling. Serve static files. 4. Asynchronous Programming Callbacks and Promises: Handle async operations. Async/Await: Write cleaner asynchronous code. Error Handling: Use try-catch blocks. Handle errors in middleware. 5. Working with Databases Relational Databases: Connect to MySQL or PostgreSQL using libraries like Sequelize or Knex.js. NoSQL Databases: Use MongoDB with Mongoose. CRUD Operations: Implement Create, Read, Update, Delete. 6. APIs with Node.js RESTful APIs: Build APIs using Express. Learn about routing, query parameters, and request payloads. Authentication: Implement JWT (JSON Web Tokens) and OAuth. GraphQL APIs: Build a GraphQL server using Apollo or Express-GraphQL. 7. Advanced Concepts File Handling: Read and write files using fs module. Stream data for large files. Real-Time Communication: Implement WebSockets using libraries like Socket.IO. Performance Optimization: Use clustering and load balancing. Optimize middleware execution. Security: Prevent common vulnerabilities (e.g., XSS, CSRF, SQL Injection). Use Helmet.js for securing HTTP headers. 8. Testing Node.js Applications Unit testing with Mocha/Chai or Jest. Mocking APIs using tools like Sinon.js. 9. Build Projects Beginner: Basic HTTP server, File uploader. Intermediate: REST API for a blog or e-commerce app. Advanced: Real-time chat app, Task Scheduler. Deploy on platforms like Heroku, Vercel, or AWS. 📂 Web Development Resources ENJOY LEARNING 👍👍

🔅 Learning the JavaScript Language 🌐 Author: Joe Chellman 🔰 Level: Beginner ⏰ Duration: 4h 7m

🌀 Gain a conversant understanding of JavaScript, including variables, types, objects, arrays, operators, control structures, loops, and functions.

📗 Topics: JavaScript 📤 Join Learn JavaScript for more courses

⌨️ Loops in JavaScript

Javascript for Everything: JS + React = Web Development JS + Three.js = 3D Visualization JS + Angular = Web Applications JS + Phaser = Game Development JS + Vue.js = Progressive Web Apps JS + TensorFlow.js = Machine Learning JS + Node.js = Server-Side Development JS + Electron = DesktopApp Development JS + React Native = MobileApp Development #javascript

🔅 Introduction to Spark SQL and DataFrames 🌐 Author: Dan Sullivan 🔰 Level: Intermediate ⏰ Duration: 1h 54m

🌀 Learn about DataFrames, a widely used data structure in Apache Spark. Discover how to manipulate and analyze distributed data with the DataFrames API and SQL.

📗 Topics: Apache Spark, SQL 📤 Join SQL Database Mastery for more courses

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⌨️ Alternatives to JavaScript's if…else statement 1️⃣ Switch Statement Finds the matching value of an expression and executes the code block associated with the matching value. 2️⃣ Ternary Operator Checks a condition and executes the first expression if the condition is true. Otherwise it runs the second expression. 3️⃣ Jump / Dispatch Table Stores value-function pairs in an object to quickly fetch and run a function based on a value (which is treated as an object key). 4️⃣ Dynamic Dispatch This pattern involves selecting which polymorphic method to call based on an object’s type.