NNandani Yadav5d ago · 11 min readUnderstanding Variables and Data Types in JavaScriptWhen I started learning JavaScript, I often saw variables in almost every code example. Initially, I knew how to write them, but I wanted to understand why we actually need them and how they work.So, git-for-biginers.hashnode.dev
TtheBugDiaryOct 18 · 8 min readGetting Started with Python: What is the best way to install PythonLearning Python with Chai aur Code, one video at a time. Learning source: Watch Video 2 — Chai aur Code Before coding our first program in Python, we must ask ourselves some more fundamental questionsthebugdiary.hashnode.dev
TtheBugDiaryOct 17 · 8 min readHow I Started Learning Python with Chai aur Code — And the Learning Habit That's Helping Me MostI am keeping a record of Python learning journey here, video by video. However, before dealing with the technical aspects, I would like to explain how I have come to this point and what has been assisthebugdiary.hashnode.dev
PPremOct 16 · 5 min readSynthetic Data: The Secret Fuel Behind Modern AI Every AI is a student, and the library is running low. For years, bigger models meant bigger piles of human writing: web pages, books, code, forum arguments. Now a new kind of material is quietly fillmodern-ai.hashnode.dev
TTejas KaleOct 13 · 11 min readI traced a DNS lookup step by step with dig. Here's what I foundIn part 1, I explained what DNS records are. But I left one question open: who actually stores those records, and how does DNS find them out of the whole internet? So I treated a DNS lookup like a gamthetejascodes.hashnode.dev
RRam SalokeOct 11 · 5 min readWhy RAG System fails ?So many people are building rag systems but when it go to users it wil break and you know why ? Here are the 5 main reasons :1. Poor Data Quality and Document ChunkingA RAG system depends on the data ramsalokedev.hashnode.dev
SSahil GuptaOct 9 · 8 min readJWT Authentication in Node.js Explained SimplyHow does a server know who you are on every request? Many beginners think the server remembers them after login. That's not true. HTTP is stateless. Every request arrives like a stranger, with no memo2Vsahilxdev.hashnode.dev
TTejas KaleOct 8 · 12 min readHow does a browser know where a website lives?You type google.com, press Enter, and a moment later the page appears on your screen. But your browser has no idea where that website lives. So how does it find the right computer out of billions? I'mthetejascodes.hashnode.dev
SSahil GuptaOct 8 · 8 min readSessions vs JWT vs Cookies: How Does a Server Remember You?How does a server remember that you are logged in? You log in once. Then you open ten more pages, and the app never asks for your password again. Many beginners think the server simply "remembers" thesahilxdev.hashnode.dev
SSahil GuptaOct 7 · 6 min readWhere Do Uploaded Files Go? Storing and Serving Them in ExpressWhere do uploaded files go after Multer saves them? Many beginners think an uploaded file lives inside the request, or inside the database. That's not true. A file is just bytes written to a disk. Yousahilxdev.hashnode.dev