Just deployed my real full-stack project and honestly pretty hyped about it 🔥 Fetcher - YouTube video downloader I built from scratch 🔗 https://lnkd.in/d2aPUXFq What it does: Drop in any YouTube link and download videos (360p/720p/1080p) or just grab the audio as MP3. Shows you the thumbnail, file sizes, everything before you hit download. Also has dark mode because obviously. Built with: Vanilla JS on the frontend (kept it simple) Node.js + Express backend yt-dlp doing the heavy lifting Hosted on Render + Netlify Real talk - challenges I ran into: Getting video/audio streams to merge properly was a pain CORS errors drove me nuts during deployment Handling private/restricted videos without the app breaking Actually making downloads work without storing anything server-side Biggest lesson? Writing code that works locally is one thing. Getting it live and actually functioning for real users is a whole different game. Spent more time debugging deployment issues than actually coding lol. Fair warning - this is just for learning/personal use. Don't be that person who downloads copyrighted stuff without permission. Anyway, would love to hear what you think or if you run into any bugs 👀 #webdev #nodejs #javascript #coding #projects #buildinpublic
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🚀 Tutorial hell is real — and I've been there. Watching endless "How to Code" videos, taking notes, feeling like I'm making progress... only to open a blank editor and freeze. The shift happened when I stopped consuming and started building. Every bug I fixed, every feature I shipped — that's where real learning lives. If you're stuck in tutorial purgatory, pick one small project and just start. Messy code beats no code every time. #LearnToCode #WebDevelopment #React #NodeJS #BuildInPublic
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There's a pattern in Node.js that most developers overlook early in their journey. Event Emitters. Here's the simplest way to understand it: One part of your app announces that something happened. Other parts listen and react — independently, without being directly connected. // Announce emitter.emit('user:registered', userData); // React — anywhere in your codebase emitter.on('user:registered', (user) => { sendWelcomeEmail(user.email); }); The key thing to understand here: emit() is non-blocking. It doesn't wait for the listeners to finish. It registers the work on Node's event loop and moves on immediately. So your route finishes → response is sent to the user → listeners run in the background. Nothing is lost. Everything still executes. The user just doesn't wait for any of it. Node.js ships EventEmitter built-in. No extra library. No overhead. Have you used Event Emitters in your projects? What did you use them for? #NodeJS #JavaScript #WebDevelopment #Programming #SoftwareEngineering #100DaysOfCode #JavaScriptMastery #GeeksForGeeks #Dev #Coding
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🚀 Excited to share my latest project — CodeForge! I built a fully interactive JavaScript learning platform using React.js and pure CSS — no UI libraries, no backend, just clean code. 🔥 What CodeForge offers: ✅ 6 JavaScript concept lessons with live code examples ✅ 8 coding challenges from Beginner to Advanced ✅ In-browser code editor with real test cases ✅ XP & leveling system to keep you motivated ✅ Hint & solution system for learners ✅ Clean dark UI, fully responsive This project was inspired by platforms like LeetCode and freeCodeCamp but built from scratch as a lightweight, customizable React app. 💡 Tech Stack: React.js | JavaScript ES6+ | CSS3 | Vite If you are learning to code or know someone who is, feel free to check it out! 🔗 Live Demo: https://lnkd.in/dhZyX3Ch #ReactJS #JavaScript #WebDevelopment #Frontend #OpenSource #CodingJourney #100DaysOfCode #Programming
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🚨 Stop Wasting Time Learning React Randomly… Most developers don’t fail because React is hard… They fail because they learn it without a roadmap. This cheatsheet = everything you actually need 👇 ✔ Core concepts (JSX, Virtual DOM, Components) ✔ Hooks that matter (useState → useEffect → useMemo) ✔ Real-world patterns (Routing, Forms, API calls) ✔ Performance tricks (Memoization, Code Splitting) ✔ Testing + TypeScript + Advanced Features 💡 If you master just these → you’re already ahead of 80% developers. The difference between: ❌ “I know React” vs ✅ “I can build real apps” …is structure. And this is the structure. 🔥 Save this post — this is your React roadmap 💬 Comment “REACT” and I’ll share a complete roadmap + resources 🔁 Repost to help other developers #reactjs #webdevelopment #frontenddeveloper #javascript #mernstack #coding #programming #learncoding #devcommunity
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Props vs State in React Most beginners get confused between Props and State in React. At first, both seem similar because both store data. But the real difference is simple: * Props = Data received from another component * State = Data managed inside the component Example: function Parent() { return <Child name="Durgesh" />; } function Child(props) { return <h1>{props.name}</h1>; } Here, `name` is a prop because it comes from the Parent component. Now look at State: const [count, setCount] = useState(0); Here, `count` is managed inside the same component. Quick Difference 👇 • Props are read-only • State can be updated • Props come from parent to child • State belongs to the component itself Think like this: Props = Things you receive State = Things you control Once you understand this difference, React becomes much easier. What confused you more when learning React — Props or State? #react #javascript #frontend #webdevelopment #reactjs #coding
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Most React devs use hooks daily… But a lot of us are using them wrong (or at least inefficiently). Here are 5 React Hooks you're probably misusing 👇 1. useEffect: Doing too much If your useEffect looks like a mini backend service… that’s a red flag. 👉 Keep it focused: one responsibility per effect. 👉 Avoid unnecessary dependencies (or missing ones 😬). 2. useState: Over-fragmenting state Multiple useState calls for tightly related data = messy logic. 👉 Consider grouping related state into one object 👉 Or use useReducer for complex flows 3. useMemo: Premature optimization Not everything needs memoization. 👉 If your calculation is cheap, skip it 👉 Overusing useMemo can hurt readability more than it helps performance 4. useCallback: Blind usage Wrapping every function in useCallback ≠ optimization 👉 Only use it when passing functions to memoized components 👉 Otherwise, you're just adding complexity 5. useRef: Misunderstood power It’s not just for DOM access 👉 Great for persisting values without re-renders 👉 Perfect for timers, previous values, or mutable variables 💡 Rule of thumb: If you can’t clearly explain why you're using a hook… you probably don’t need it. What’s a hook mistake you’ve made (or still make)? 😄 #React #WebDevelopment #Frontend #JavaScript #Programming #CodingTips
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Why does React feel complicated? It’s not because it’s hard. It’s because we over-optimize everything. With React, devs start thinking about performance too early: - memo everywhere - useCallback everywhere - global state for things that don’t need it Now the code is harder to read, harder to debug, and ironically… not faster. Most apps don’t need that level of optimization. They need clarity. React becomes simple again when you stop trying to be clever. Write straightforward components. Let it re-render. Optimize only when something is actually slow. React isn’t complicated. Overengineering is. #reactjs #javascript #webdevelopment #frontend #softwareengineering #programming
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💻 5 React mistakes I stopped making (and it improved my code a lot) When I started with React, I used to write code that worked… But not code that was clean, scalable, and maintainable. Here are 5 mistakes I fixed: ❌ 1. Writing everything in one component 👉 Now I break UI into small reusable components ❌ 2. Ignoring proper state management 👉 Learned when to use useState vs useEffect vs lifting state ❌ 3. Not handling performance 👉 Started using memoization (useMemo, useCallback) ❌ 4. Poor folder structure 👉 Now I follow a clean project structure ❌ 5. Debugging randomly 👉 Now I debug step-by-step with proper logs Small changes… but huge difference in code quality 🚀 Still learning every day 👨💻 Which mistake did you make the most? 😅 #ReactJS #FrontendDevelopment #JavaScript #CleanCode #WebDevelopment #SoftwareEngineer
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Real talk — useEffect almost broke my brain today. 😅 My React journey continues, and I came across one of the trickiest hooks so far. useEffect. At first I felt completely lost. The Codecademy lesson talked about cleanup functions, dependency arrays, side effects — and honestly? My head was spinning. But after stepping back and breaking it down in simpler terms, here's what finally made sense to me: useEffect lets you run code at SPECIFIC MOMENTS in your component's life. Three moments to remember: ```jsx // 1. Run AFTER EVERY render useEffect(() => { }); // 2. Run ONLY ONCE when the page loads useEffect(() => { }, []); // 3. Run WHEN a specific value changes useEffect(() => { }, [forecastType]); ``` The array at the end is called the dependency array — and it controls WHEN the code runs. The analogy that helped me? Think of it like a home security camera 📹 - No array — records 24/7 - Empty array — only records on day one - With a value — only records when that thing changes It's still not 100% clear to me yet — and that's okay. Some concepts take time to really click. 🙏 The lesson today wasn't just about useEffect though — it was about being honest with myself when something is hard, taking a break, and coming back to it instead of forcing it. Still learning, still building, still showing up every day. 💪 Is there a React concept that confused you when you first learned it? Drop it below 👇 #React #JavaScript #useEffect #Frontend #LearningInPublic #100DaysOfCode #SelfTaught
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JavaScript vs. TypeScript: The 'Cocomelon' Edition! Ever feel like your JavaScript code is a bit... chaotic? Like a toddler running around with no shoes? That’s where TypeScript comes in! Think of JavaScript as the fun, flexible playground where you can build anything quickly. It’s dynamic, it’s fast, but sometimes things get messy. TypeScript is like adding a 'Safety Helmet' and 'Rules' to that playground. It’s a superset of JavaScript that adds Static Typing. Why make the switch? Catch Bugs Early: Find errors while you type, not when the app crashes. Better Tooling: Enjoy super-powered autocompletion in VS Code. Scalability: It makes large projects much easier for teams to manage. Is your team Team JS or Team TS? Let's discuss below! #JavaScript #TypeScript #WebDevelopment #CodingLife #SoftwareEngineering #TechSimplified #Frontend #Programming
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