Python on Ashwin Hariharan

Semantic Caching in Agentic AI: Determining cache eligibility and invalidation

Wed, 24 Dec 2025 14:00:29 +0530

A few years ago, “AI in your app” meant a chatbot that answered FAQs. Today it means an agent that can search, filter, compare, book, and transact - all while remembering what you said three messages ago.

Amazon’s Rufus has already fielded tens of millions of questions from shoppers - product comparisons like “What’s the difference between OLED and QLED TVs?”, recommendations (“best wireless outdoor speakers”), and also specific use cases (“lawn games for kids’ birthday parties”). Booking.com’s AI Trip Support does the same for travelers - a guest with a car asks “Is parking available at the hotel?”, the agent pulls property information and responds in seconds.

Getting started with Data Cleaning

Fri, 19 Jan 2024 17:51:29 +0530

Fashion E-Commerce: Using Computer Vision to Find Clothing that Fits Like a Glove

Wed, 27 Jan 2021 12:00:29 +0530

It was October 2019, and my cousin's wedding was taking place in about a week. Like everyone else, I was faced with the dilemma — what to wear? The struggle was real.

So there I was, in the mall with my brother picking out shirts, because everyone knows you can’t go wrong with a great shirt right? I picked a few and was searching for a place to try them on before deciding which ones to buy. Finally found somewhere just right.

Thinking of Building a Contact-tracing Application? Here's what you can do instead - Part 2

Wed, 09 Dec 2020 12:00:29 +0530

Welcome to the 2nd part of this series on using technology to foster sustainability in your community! In this tutorial, you'll continue building Kartpool — a community driven delivery platform for the ones who need it the most!

Be sure to read Part 1 of the tutorial series thoroughly and complete the exercises before you proceed with this tutorial!

To recap, here’s the list of features:

Feature #1: A location-based store discovery service from where users could buy grocery and other essentials. You already built this in Part 1.

Thinking of Building a Contact-tracing Application? Here's what you can do instead.

Wed, 04 Nov 2020 12:00:29 +0530

2012, Terminator, World War Z, Avengers — Endgame. Over the years, movies featuring apocalyptic events have been a favorite amongst movie-goers. Many of them featured the Earth nearly coming to an end in a myriad of ways — from killer zombies to aliens, or something about the planet’s core getting unstable. They all usually end up with a hero (or a team of heroes) saving the world from the brink of destruction. And everything’s back to normal.

How to Use Machine Learning to Predict the Quality of Wines

Wed, 07 Feb 2018 12:01:29 +0530

You can read this same article in Free Code Camp’s Medium Publication.

Machine Learning (ML) is a sub-field of artificial intelligence. It concerns giving computers the ability to learn without being explicitly programmed. Over the years, machine learning's popularity and demand has certainly been on the rise, as indicated by this hype curve:

ML hype curve over last 5 years

According to Indeed, the average salary for a machine learning engineer in the United States is $134,655. But what is so special about it that it’s one of the highest paid jobs in programming? This article will help you understand its wide array of applications.

How to Use Data Science to Understand What Makes Wine Taste Good

Wed, 07 Feb 2018 12:00:29 +0530

Note: You can read this same article in Free Code Camp’s Medium Publication.

Data Science. It's been touted as the sexiest job of the 21st century. Everyone — from companies to individuals — is trying to understand it and adopt it. And if you're a programmer, you most definitely are experiencing FoMo (Fear of missing out)! Just look at how popular the term has become over time:

Data Science popularity level in last 5 years

The average salary of a data scientist is over $120,000 in the United States according to Indeed. They also currently have the highest paid jobs, with a median of $60k. Glassdoor also named it the “Best job of 2016”, and it’s also been ranked the number one job on Glassdoor.