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📆 Day 94: Node.js Clustering 🔀 Used cluster module ✅ Utilizes multi-core CPUs ✅ Forks worker processes ✅ Improves app performance 🚀 Scale Node apps the right way! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 93: Child Processes in Node ⚙️ Ran commands using child_process 🛠️ exec, spawn, fork ✅ Useful for heavy computation or scripts 💡 Scale and multitask with ease! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 92: Using Environment Variables 🧪 Stored secrets in .env file ✅ Used dotenv package ✅ Secured API keys & DB URIs 💡 Don’t expose sensitive data! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 91: Intro to Authentication 🔐 Authentication vs Authorization 🛠️ Added JWT for user login 🛡️ Protecting routes with middleware 💡 Security starts here! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 90: MongoDB is a NoSQL database, and with Mongoose, working with it in Node becomes super easy and structured! 💡 Why? 📦 NoSQL = Flexible, schema-less storage 🔗 Mongoose = Object mapping with built-in validation 🚀 Ideal for dynamic, fast-changing data in modern apps

📆 Day 90: Working with MongoDB 🗃️ Connected Node to MongoDB! ✅ Used Mongoose ✅ Created schema & model ✅ Inserted documents 💡 NoSQL + Node = Dynamic Data! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 89: A RESTful API lets your frontend and backend talk using HTTP methods (GET, POST, PUT, DELETE) and JSON. 💡 Why RESTful APIs? 🔗 Connect frontend to backend 📤 Communicate using JSON ✅ Use proper HTTP status codes (200, 201, 404, etc.) 🧱 Base for modern web apps

📆 Day 89: RESTful APIs with Express 🌐 Built a simple REST API! -GET, POST, PUT, DELETE -Routes & JSON responses -Status codes 💡 Connects frontend to backend! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 88: Express.js is a minimal, fast, and flexible Node.js framework that simplifies server creation and routing.🚀 💡 Why Use Express? ✅ Faster than raw Node HTTP server ✅ Cleaner routing ✅ Built-in middleware support ✅ Easy to scale with third-party packages

📆 Day 88: Intro to Express.js 🚀 Express = minimal & powerful Node.js framework ✅ Easy routing ✅ Middleware support ✅ Fast development 💡 A must-know for backend devs! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 87: Middleware runs between a request (req) and a response (res). Used for logging, auth, and parsing — especially in Express.js. 🛠️ Powered by Express Middleware is a core part of Express. It helps you: 🔍 Modify requests ✅ Add security 🧩 Use tools like morgan, cors

📆 Day 87: Middleware in Node.js 🧱 Middleware = functions between req & res ✅ Logging ✅ Parsing ✅ Authentication 🛠️ Powered up with Express.js! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 86: Routing in Node.js 🌐 Routing decides how your server responds to various URL requests. 💡 Summary: -Manual routing is a good way to learn the basics. -But for real-world apps, Express gives a cleaner and more powerful approach to routing!

📆 Day 86: Routing in Node.js 🌐 Added basic routing manually! 🛣️ if/else or switch for URLs 🛠️ Later moved to Express for cleaner routes 💡 Routing is the brain of your server! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆 Day 85:🖥️ Node.js lets you create a basic web server using the built-in http module — no external packages needed! 💡Why it matters? Creating HTTP servers is a core backend skill. You’ll later build on this with frameworks like Express, but this is the foundation!

📆 Day 85: Creating Servers with HTTP 🖥️ Built a basic HTTP server! ✅ Used http.createServer() ✅ Handled routes ✅ Sent responses 💡 A core skill for any backend dev! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

📆Day 84: Error handling keeps your app stable and safe. Here’s how to handle errors like a pro in Node.js! 🧠Use try-catch for sync code. 🧠Wrap await calls in try-catch for async errors. 🧠Create custom error for clearer responses. 🧠Use Express middleware to catch all errors.

📆 Day 84: Error Handling in Node ❗ Learned to handle errors like a pro! ✅ Try-Catch (sync & async) ✅ Custom error classes ✅ Middleware for Express 🛡️ Don’t let bugs break your app! #100DaysOfCode #letsconnect #NodeJS #WebDevelopment #buildinpublic #JavaScript

I’m restarting my DSA journey in Java! From today onwards, I’ll be posting daily updates here — what I studied, which topics I covered, and which problems I solved. Staying consistent and focused this time 💻 Let’s go!🚀 #DSA #Java #100DaysOfCode #CodingJourney