@learnerexpress

Renuka Khirwadkar

@learnerexpressJoined April 2025

About

Nothing here yet.

Available for

Nothing here yet.

Renuka Khirwadkar's blogs

Unlocking Techunlockaijargons.hashnode.dev71 posts

SAP BTP Developmentsap-btp-development.hashnode.dev4 posts

Git Basics and Essentialsgit-basics-and-essentials.hashnode.dev3 posts

Understanding Encapsulation in Javalearntocodewithrenuka.hashnode.dev1 post

HTML and CSS Guideshtmlandcssguide.hashnode.dev1 post

Articles Comments1

Recently published

RKRenuka Khirwadkarunlockaijargons.hashnode.devAug 5 · 16 min read

How Does Google Maps Update Everything Instantly?

Imagine you're driving to a place you've never visited before. You open Google Maps, enter your destination, and start following the directions. As you drive, something interesting happens. Your blue

RKRenuka Khirwadkarunlockaijargons.hashnode.devAug 5 · 30 min read

How Millions of Events Travel Every Second (Without You Knowing)?

Let's build something. Suppose we are building a very simple e-commerce application. Nothing fancy. A customer opens the website, adds a laptop to the cart, and clicks Place Order. Done. Order placed.

RKRenuka Khirwadkarunlockaijargons.hashnode.devJul 26 · 27 min read

Database explained from scratch: Why they exist, how they work, and why every application depends on them

Imagine opening instagram after a week. Your profile is still there.Your followers are still there.Your posts are still there. Or think about Amazon. You can still see your previous orders, saved addr

RKRenuka Khirwadkarunlockaijargons.hashnode.devJul 19 · 20 min read

Where RAG Fails: Understand the Limitations

Why do we need RAG? Imagine you meet alien from another planet. The alien is very intelligent. It can understand any language.It can write stories.It can solve math problems.It can even answer many qu

RKRenuka Khirwadkarunlockaijargons.hashnode.devMay 31 · 8 min read

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes 📸🎥

Imagine karo: Tum Instagram par ek Reel record karte ho. Filters add karte ho Music select karte ho Caption likhte ho Lekin achanak internet chala jata hai ya tum post karne ka plan cancel kar de

Renuka Khirwadkar

About

Available for

Renuka Khirwadkar's blogs

Recently published

How Does Google Maps Update Everything Instantly?

How Millions of Events Travel Every Second (Without You Knowing)?

Database explained from scratch: Why they exist, how they work, and why every application depends on them

Where RAG Fails: Understand the Limitations

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes 📸🎥

Search Hashnode

Renuka Khirwadkar

About

Available for

Renuka Khirwadkar's blogs

Recently published

How Does Google Maps Update Everything Instantly?

How Millions of Events Travel Every Second (Without You Knowing)?

Database explained from scratch: Why they exist, how they work, and why every application depends on them

Where RAG Fails: Understand the Limitations

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes 📸🎥