Lezwon Castelino – Medium

Lezwon Castelino

Guide to Database Sharding and Partitioning Strategies

I was recently reading the chapter on partitioning in the book Designing Data-Intensive Applications. If you work on distributed systems…

Feb 1

Guide to Database Sharding and Partitioning Strategies

Feb 1

Dissecting the Partial AUC Metric for ISIC 2024

Understanding Partial AUC — the key metric for evaluating cancer detection models in the ISIC 2024 competition.

Mar 30, 2025

Dissecting the Partial AUC Metric for ISIC 2024

Mar 30, 2025

Skin Cancer Detection: Part 3: Modeling and Prediction

Predict malignant tumors using tabular data in the ISIC 2024 challenge. Learn to handle class imbalance, train models, and evaluate with…

Mar 2, 2025

Skin Cancer Detection: Part 3: Modeling and Prediction

Mar 2, 2025

Skin Cancer Detection: Part 2: Exploratory Data Analysis

Exploring skin cancer data: analyzing lesion images, distributions, and patterns to build a model for detecting malignant vs. benign…

Feb 16, 2025

Skin Cancer Detection: Part 2: Exploratory Data Analysis

Feb 16, 2025

Skin Cancer Detection: Part 1: Introduction

Discover insights into skin cancer detection through Kaggle’s competition, exploring medical data and images to identify cancerous tumors.

Feb 9, 2025

Skin Cancer Detection: Part 1: Introduction

Feb 9, 2025

Published in

Extending Python with C Extension Modules

An introductory guide to improving the performance of your Python programs by extending functionality to C modules using the CPython API.

Jun 20, 2021

Extending Python with C Extension Modules

Jun 20, 2021

Published in

Build Your Own Event Loop from Scratch in Python

Learn how to build a simple non-blocking Event Loop from scratch to attain concurrency.

Jun 5, 2021

Build Your Own Event Loop from Scratch in Python

Jun 5, 2021

Charles Proxy: Debug your Android traffic

Capture and analyse your Android App requests using Charles proxy.

May 15, 2021

Charles Proxy: Debug your Android traffic

May 15, 2021

Published in

Cereal Hacker: Competitions List | Your one-stop for all hackathons

Introducing Cereal Hacker’s Competitions List which aggregates contests from various platforms and displays them in a single view.

Feb 9, 2020

Cereal Hacker: Competitions List | Your one-stop for all hackathons

Feb 9, 2020

Published in

FacePay | A Conversation with Sumit Raj | Grabathon

In conversation with Sumit Raj, who was part of the winning team at Grabathon.

Jan 25, 2020

FacePay | A Conversation with Sumit Raj | Grabathon

Jan 25, 2020

Lezwon Castelino

Lezwon Castelino

Machine Learning Engineer @Swym 👨🏽‍💻 | Ex- @PyTorchLightnin Core ⚡ | Solutions Hacker 🧙‍♂️ | 20+ Hackathons 🏆

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