
Day 3 Bias-Variance Tradeoff — Why Models Fail
On Day 2, we met overfitting and underfitting as the two failure modes of ML. Today we put both of them inside one mental model that explains every mo...
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.

Sri Lankan Handcrafts E-Commerce Platform – Full-stack app with React, Express, MongoDB & PayHere payments

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.
Latest articles and insights

On Day 2, we met overfitting and underfitting as the two failure modes of ML. Today we put both of them inside one mental model that explains every mo...

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...
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