
Day 2: Train-Test Split & The Sin of Overfitting
On Day 1, we said a model "learns" from examples. But how do we actually know if it learned, or if it just memorised? That single question is what tra...
I’m a software engineer who likes building things, understanding how they work under the hood, and sharing what I learn along the way. I work across the full stack and enjoy teaching, writing, and growing consistently in tech.

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A full-stack community platform for reporting, tracking, and recovering lost and found items. Built with React, Node.js, Express, and MongoDB.

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ShiftTracker is a full-stack employee time tracking web application that enables employees to clock in/out of shifts, manage breaks, and track their work hours with GPS-based location verification. The app features a role-based system with an admin dashboard for workforce oversight and a personal Employee Dashboard for individual shift management.
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On Day 1, we said a model "learns" from examples. But how do we actually know if it learned, or if it just memorised? That single question is what tra...

Day 4 promised PDF processing for today. Before we get there, two more chunking flavours are worth meeting first. Sliding chunking and token-based chu...

After spending the last few weeks documenting my RAG self-study journey (you can find those posts under the RAG section), I have decided to dive into ...
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