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The ExploringML journal

Exploring machine learning.

Notes, tutorials and experiments from my work with machine learning, AI and Python.

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Browse the latest writing, or filter by a topic such as Python, MCP or deep learning.

How I-JEPA Works

Explore I-JEPA through four practical experiments, from image patch representations and hidden-region prediction to a classifier built on frozen features.

David Gwyer

19 Sep 2026

Sliced-Wasserstein Distance: A Visual Intuition

Machine Learning

JEPA

World Models

We implement a toy version of the Sliced-Wasserstein distance from the VISReg paper, to help understand the process.

David Gwyer

8 Jul 2026

MCP 101: Tools, Resources, Prompts

MCP

LLM Tools

AI Agents

This guide breaks down how MCP works, why interoperability matters, and how you can start using it today.

David Gwyer

22 Sep 2025

Adding Google OAuth to a FastHTML App

Easily integrate secure Google sign-in to your FastHTML app with this step-by-step Google OAuth implementation guide.

David Gwyer

12 Aug 2025

Getting Started with `tmux` - A Beginners Guide

Learn how to install, configure, and use tmux to boost your terminal productivity with sessions, windows, and panes.

David Gwyer

14 Jul 2025

Running a Jupyter Notebook in a `uv` Python Environment

Discover how to launch Jupyter Notebooks with lightning-fast performance using the uv Python package manager.

David Gwyer

10 Jul 2025

Setting Up Hugging Face Diffusers with `uv` for CUDA Acceleration

Learn how to harness the speed of uv for fast, local AI image generation with Hugging Face Diffusers and CUDA.

David Gwyer

7 Jul 2025

Running Native Python Code Inside an n8n Instance on a Hostinger VPS

n8n

VPS

Python

Discover how to easily run Python scripts directly in your self-hosted n8n workflows.

David Gwyer

4 Jun 2025

Practical Deep Learning - Lesson 3

This lesson covers how to train a digit classifier from scratch using the MNIST dataset.

David Gwyer

29 May 2025

Practical Deep Learning - Lesson 2

In lesson 2 we build a custom multi-image classifier and deploy it to Hugging Face Spaces as a FastHTML web app!

David Gwyer

15 May 2025

Practical Deep Learning - Lesson 1

First in a series of posts documenting my progress on the fast.ai course by Jeremy Howard. This initial lesson covers image classifiers.

David Gwyer

10 May 2025

Google Docs n8n Automation Workflow

n8n

Google Docs

JavaScript

Learn how to use n8n to automate posting and formatting content in Google Docs with just one workflow.

David Gwyer

3 Apr 2025

Introduction to Fastlite

SQLite

Python

An introduction to the basics of fastlite and sqlite-utils for creating and managing SQLite databases.

David Gwyer

22 Jan 2025

Understanding Python Decorators: Beginner to Advanced

Python

Tutorial

Discover how decorators can transform your functions, manage state, enhance code reusability, and help to make your code more elegant and maintainable.

David Gwyer

19 Dec 2024