Justin Smethers
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I'm Justin.

This site will be a collection of notes, write-ups, projects, thought out posts, garbage, and occassional breakthroughs. Mostly about data.

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  • Dec 30, 2025

    Terminal Agents Just Got Scary Good

    Rambling about gpt-5.2-codex and Opus 4.5 and some twitter posts

    • POST
  • Dec 22, 2025

    Devcontainers

    Experimenting with devcontainers for Codex and day-to-day development

    • POST
  • Oct 10, 2025

    Building a new feature entirely on my phone with Codex

    How I added post tags for this website using only my phone, OpenAI's Codex, and GitHub Mobile

    • POST
  • Sep 08, 2025

    Fluent Python notes part 3 (chapter 11)

    Consolidated notes from Fluent Python part 3 covering chapter 11

    • NOTES
  • Sep 05, 2025

    Modern Python packaging with uv

    A meetup talk

    • TALK
  • Sep 01, 2025

    Fluent Python notes part 2 (chapters 7-10)

    Consolidated notes from Fluent Python part 2 covering chapters 7 through 10

    • NOTES
  • Aug 17, 2025

    Fluent Python notes part 1 (chapters 1-6)

    Consolidated notes from Fluent Python part 1 covering chapters 1 through 6

    • NOTES
  • Dec 05, 2024

    Simplifying Python development with uv

    A meetup talk

    • TALK
  • May 02, 2024

    Accelerating Python data analysis with DuckDB

    A meetup talk

    • TALK
  • Mar 24, 2024

    1 billion row challenge in Python

    Processing 1 billion rows with various Python packages

    • POST

© 2026 Justin Smethers