@pragyanprakhar

Pragyan Prakhar

@pragyanprakharJoined September 2024

Final-year B.Tech student with strong frontend skills (HTML, CSS, JS, React) and expertise in Data Structures and Algorithms, plus experienc

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Pragyan Prakhar's blogs

Pragyan's blogpragyanprakhar.hashnode.dev6 posts Technologypayment-integration-using-razorpay.hashnode.dev1 post

Understanding Precision and Recall — Beyond the Formula.

Precision :→ Intuition :→ Imagine we are building a model that predicts whether the mail is spam or not , For e.g if my model predicts that my mail is spam . So how true that statement is , this is precision. In other words , we can say that out o...

Oct 15, 2025 · 4 min readpragyanprakhar.hashnode.dev

Understanding CORS: Why It Exists and How It Works

If you’ve ever seen the dreaded CORS error while working with APIs in the browser, you know how frustrating it can be. Let’s break it down in simple terms and really understand why CORS exists and how it works behind the scenes. Why Do We Even Need C...

Sep 23, 2025 · 2 min readpragyanprakhar.hashnode.dev

Turn Typos Into Triumphs: How Search Engines Make Us All Look Smarter

Have you ever searched for “quantom computing” instead of “quantum computing”—and magically got the right results anyway? You’re not alone! Mistakes like these happen to everyone (yes, even you, tech wizards). But behind the scenes, search engines ar...

Aug 8, 2025 · 4 min readpragyanprakhar.hashnode.dev

How Transformers Work in Generative AI: Explained with Analogies and Google’s Attention Breakthrough !

What is Gen Ai? At first we need to understand one things that what is gen ai actually? The Ai that can generate anything is gen ai. That’s the one-liner I heard when I started learning GenAI — and it stuck. But how does it actually generate someth...

Jun 6, 2025 · 6 min readpragyanprakhar.hashnode.dev

Steps you need to follow for Payment Integration in Node.Js(Razorpay)

→ If You are working for the test purpose then you can use the test mode of the razorpay. In the test mode you need to do the kyc verification and all.You can follow this link to go to the razorpay dashboard (https://dashboard.razorpay.com/app/dashbo...

Jan 16, 2025 · 8 min readpayment-integration-using-razorpay.hashnode.dev

Pragyan Prakhar

About

Available for

Pragyan Prakhar's blogs

Understanding Precision and Recall — Beyond the Formula.

Understanding CORS: Why It Exists and How It Works

Turn Typos Into Triumphs: How Search Engines Make Us All Look Smarter

How Transformers Work in Generative AI: Explained with Analogies and Google’s Attention Breakthrough !

Steps you need to follow for Payment Integration in Node.Js(Razorpay)

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Pragyan Prakhar

About

Available for

Pragyan Prakhar's blogs

Understanding Precision and Recall — Beyond the Formula.

Understanding CORS: Why It Exists and How It Works

Turn Typos Into Triumphs: How Search Engines Make Us All Look Smarter

How Transformers Work in Generative AI: Explained with Analogies and Google’s Attention Breakthrough !

Steps you need to follow for Payment Integration in Node.Js(Razorpay)