Deepshikha .’s Post

🚀 Frontend Learning — Code Splitting vs Lazy Loading (Stop Confusing These) A lot of developers use these terms interchangeably… -> But they are NOT the same Understanding this can seriously improve your app performance ⚡ ⚠️ Code Splitting (The Strategy) -> Breaking your bundle into smaller chunks Instead of one big JS file ❌ -> You ship multiple smaller files import("./Dashboard"); -> Bundlers like Webpack automatically split code ⚡ Lazy Loading (The Technique) -> Loading code only when it’s needed const Dashboard = React.lazy(() => import("./Dashboard")); -> Component loads only when user visits that route 🧠 Key Difference -> Code Splitting = How code is divided -> Lazy Loading = When code is loaded 🔥 Real-World Example Without optimization: -> Entire app loads at once -> Slower initial load With splitting + lazy loading: -> Faster initial load -> Load features on demand -> Better user experience 💡 Pro Insight -> Code splitting happens automatically (mostly) -> Lazy loading is something you implement intentionally 🎯 When to Use -> Large applications -> Multiple routes/pages -> Heavy components (charts, dashboards) 🎯 Key Takeaway Performance is not about faster code… -> It’s about loading less code at the right time At a senior level, optimization is not optional… -> It’s part of your design thinking #FrontendDevelopment #ReactJS #JavaScript #Performance #WebDevelopment #CodingTips #Developers #LearnInPublic #DeveloperJourney

🚀 React Series Part 9: Optimizing Performance with useMemo & useCallback By now, we know: 👉 React re-renders when state or props change But here’s something subtle 👇 ⚠️ Even when nothing visibly changes, React may still do extra work 💡 Where does the problem come from? On every render: • Functions are recreated • Objects/arrays get new references • Expensive calculations run again 👉 React compares props using reference equality (===) So even if data looks the same: ❗ New reference = React thinks it changed 🔥 useMemo - Avoid Recomputing Expensive Values const filteredList = useMemo(() => {  return items.filter(item => item.active); }, [items]); 📌 Without useMemo: 👉 Filter runs on every render 📌 With useMemo: 👉 Runs only when items changes 💡 When is this actually useful? ✔ Large lists (filtering, sorting) ✔ Heavy calculations ✔ Derived state ❌ Not needed for simple values 🔥 useCallback - Prevent Unnecessary Child Re-renders const handleClick = useCallback(() => {  doSomething(); }, []); 💡 Why this matters: <Child onClick={handleClick} /> Without useCallback: 👉 New function every render 👉 Child re-renders every time With useCallback: 👉 Same function reference 👉 Child avoids unnecessary re-render 🔍 Real-world scenario Imagine: 👉 Parent re-renders due to unrelated state 👉 Child receives a function prop ❌ Without optimization → Child re-renders unnecessarily ✅ With useCallback → Child stays stable ⚠️ Important nuance (this is where devs go wrong) 👉 These hooks don’t “stop renders” 👉 They help React skip work when possible Also: ❗ Overusing them can make code harder to read ❗ They themselves have a small cost 💡 Mental Model Think of it like caching: • useMemo → caches results • useCallback → caches function references 🧠 Simple takeaway (with depth) React re-renders fast ⚡ But unnecessary work still adds up 👉 Optimize only when needed, not by default Let’s keep going 🚀 #ReactJS #Learning #frontendDev

I used to waste hours jumping between 10–15 tabs just to understand one concept. Docs in one tab. YouTube in another. Code playground somewhere else. And my notes? Completely scattered. 😅 It was messy, slow, and honestly… frustrating. Recently, I came across something that genuinely fixed this problem for me 👉 Dlearn.info This isn’t just another learning website — it feels like a complete developer workspace. Here’s why it stood out: 🚀 Learn + Build Together Every concept comes with a live interactive playground (Sandpack). You don’t just read — you experiment instantly and see results in real time. 📑 Structured Deep Learning (DWKEC Framework) Instead of surface-level content, it breaks everything into: Definition How it works (under the hood) Key takeaways Real-world examples This actually helps concepts stick, especially for React, Next.js, and System Design. ⚡ Clean, Distraction-Free UI No clutter. No unnecessary noise. Just pure focus — like using a premium dev tool. 💎 100% Free No paywalls. No upsells. Just genuine value for developers. If you’re preparing for interviews or trying to deeply understand frontend and architecture concepts without the usual chaos, this is definitely worth checking out. 🔗 https://dlearn.info/ Sometimes, the best tools are the ones that simplify everything. #Frontend #WebDevelopment #ReactJS #NextJS #SystemDesign #CodingInterviews #Developers #Learning #SoftwareEngineering

Day 57 of 100 Days of AI — 🎨 Frontend Work Begins Backend done. Time to build what users actually see. Started working on the frontend today — a clean landing page where people can subscribe to the newsletter. Hosting it on Cloudflare, built in Next.js. One thing I tried differently today — used Claude to help design the UI. Described what I wanted, iterated on the design in real time, and got something that actually looks good without spending hours on Figma or fighting with CSS from scratch. The design process felt completely different — faster, more collaborative, less painful. The page is simple by design. One clear message. One action. Subscribe. No fluff. No feature bloat. Just — here's what you get, here's where you sign up. When the backend is this solid the frontend almost writes itself. Almost. #100DaysOfAI #BuildInPublic #NextJS #CloudflareWorkers #AIEngineering #Python #Newsletter #SideProject #Frontend

2 years wasted after courses ☞now I'm shipping real React dashboards for SaaS clients. The lesson? Stop consuming. Start building. Use AI to understand the why, not just copy the what. And practice without it deliberately — that's what builds real skill. Tutorial hell is a business model. Shipping is the actual curriculum. #ReactJS #WebDevelopment #LearnInPublic #FrontendDevelopment #JavaScript

What if you could take any live website and instantly rebuild it as a clean Next.js codebase — no manual slicing required? I recently stumbled on a GitHub template that lets you clone any site with a single command, using AI coding agents like Opus 4.6. Point it at a URL, run `clone-website`, and the agent inspects the page, extracts design tokens, writes component specs, and builds parallel sections. The repo even syncs source files so you can edit once and regenerate all platform copies automatically. This isn’t just a time‑saver; it’s a shift in how we think about ownership of digital assets. When AI can reverse‑engineer UI with exact `getComputedStyle()` values, the line between design and code blurs, giving teams the freedom to iterate at the speed of thought. Early tests show a 3‑fold reduction in front‑end setup time, a trend that’s reshaping rapid prototyping. 👉 Clone a site with one command 👉 Extract design tokens automatically 👉 Sync changes via source files 👉 Run builders in parallel 👉 Customize for your stack When we let machines handle the repetitive grind, we reclaim space for strategic thinking and ethical decision‑making — the true leverage of leadership in an AI‑first world. Which live site would you clone first, and how would you re‑imagine it for the next decade? #AI #WebDevelopment #Nextjs #Leadership #DigitalTransformation #Ethics #NoCode Reference: [https://lnkd.in/geWFqn4V] 🔄 Share 👍 React 🌐 Visit www.aravind-r.com #AravindRaghunathan

I tried learning it the “traditional way” — class components, lifecycle methods… and honestly, it felt overwhelming. Then I discovered React Hooks — and suddenly, everything started making sense. Hooks didn’t just simplify React for me — they completely changed how I think about building UI. Here’s the mental map that helped me the most: ⚡ useState — manage local state easily ⚡ useEffect — handle side effects like API calls 🔵 useRef — store values without triggering re-renders 🔵 useContext — share data across components 🟡 useMemo — optimize expensive calculations 🟡 useCallback — prevent unnecessary re-renders 🟢 useReducer — handle complex state logic 🟢 useLayoutEffect — run logic before the browser paints 💡 What helped me improve: • Mastering useState & useEffect deeply • Building small projects instead of just watching tutorials • Creating custom hooks to reuse logic • Understanding how data flows in React • Focusing on optimization only when needed The biggest realization? 👉 Hooks are not just features — they are a way of thinking. If you're learning React right now — don’t rush. It takes time, but once it clicks, everything feels much easier. I’m still learning and improving every day 🚀 Which React Hook did you find the most confusing at first? 👇 #ReactJS #WebDevelopment #JavaScript #Frontend #ReactHooks #Coding #LearnToCode #SoftwareEngineering

I thought editing a scheduled post would be straightforward 🤦♂️ Building PostPilot AI in public 🚀 Clicked edit… and boom 💥 404 😑 Turns out my editor only understood drafts. Scheduled posts were basically “outsiders” to that flow 🚫 I had designed features… but not the transitions between them ⚠️ So I reworked the behavior instead of patching the bug 🔧 Now: Scheduled posts don’t break the flow ✅ They adapt to it 🔄 Added a popover in calendar view 📅 → Unschedule 🔁 → Delete 🗑️ Unschedule does the real job: Moves post back to drafts 📂 Resets scheduledAt ⏱️ Updates status cleanly 🧠 No hacks. Just state clarity 🧩 Turns out the real problem wasn’t editing. It was not defining what happens before editing 🤯 🛠️ Want to see how I’m building this? Code it out here → https://lnkd.in/dH7ERiuE #react #nextjs #webdevelopment #frontend #saas #buildinpublic #programming #developers #javascript #ui

Built something I’m genuinely proud of: CineRealm. Most platforms are designed for consuming stories. CineRealm is designed for creating them—through structured, interactive systems. It’s a full-stack social storytelling platform where narratives are modeled as data and behavior, not just text. With CineRealm, users can: • create and publish interactive movie experiences • structure stories into scenes, characters, dialogue, and action blocks • design branching narratives with state-driven choices • explore and engage with content from other creators • like, rate, react, follow, and track progress across stories From an engineering perspective, this project was less about features and more about system design. I focused on building a backend that could represent complex narrative relationships, and a frontend that could render those structures into a seamless, interactive experience. Live: https://lnkd.in/d3ntAcPC GitHub: https://lnkd.in/deM5J84U Tech Stack: Frontend: Next.js, React, TypeScript, Tailwind CSS, Zustand, Framer Motion Backend: Node.js, Express, Prisma, PostgreSQL Other: JWT Authentication, Cloudinary, Multer, Zod Key engineering considerations: • designing a scalable architecture for dual workflows (creator + consumer) • modeling relational data for stories, scenes, characters, choices, and user interactions • implementing secure authentication and protected routes • handling media uploads and asset management for cinematic content • managing client-side state for interactive story progression • building a responsive UI that maps cleanly to underlying data structures CineRealm sits at the intersection of full-stack engineering and product design—but at its core, it’s a system for building and navigating structured narratives. This project pushed me to think in terms of data models, state, and system behavior—not just UI and endpoints. I’d value your thoughts. #FullStackDevelopment #SoftwareEngineering #WebDevelopment #NextJS #React #NodeJS #ExpressJS #Prisma #PostgreSQL #TypeScript #BuildInPublic #Projects

Most developers write code that works. Few write code that others can actually maintain. Here's a Claude prompt I use to fix that instantly: "Refactor this function to be more readable, performant, and testable. Use clean architecture principles, explain every decision you make, and show me the before/after diff." Paste your messy function → get clean, production-ready code with full explanation. I've been using Claude prompts like this daily to ship faster and write better code. This is from my personal library of 60 Claude Prompts — covering everything from writing like a human, content strategy, SEO growth, SaaS building, marketing & sales, Claude Code CLI, productivity systems, debugging & refactoring, landing pages & copy, and monetisation & scale. Save this. You'll need it. Which part of your codebase needs a refactor right now? Drop it below 👇 #ClaudeAI #AIPrompts #FullStackDeveloper #MERN #ReactJS #CleanCode #BuildInPublic #DevTips