Testing OpenGraph on localhost from the CLI before you go public
og-check fetches a URL and renders its OpenGraph and Twitter Card metadata directly in your terminal, images and all. Point it at localhost and skip the tunnel.
Simon Hartcher's Writing
Software Development, Web Development, and Technology
Latest posts
Applying "Programming Without Pointers" to an mbox indexer using Zig
Trading per-message allocations for two flat buffers, and what that unlocks for serializing the index to disk.
Announcing Pixels: Disposable Linux Containers for AI Coding Agents
Sandboxed containers that you can run on your own hardware.
Claude voice mode is still a joke in 2026
Claude: "Oh I think I cut you off there. What were you saying?"
My thoughts on Gas Town after 10,000 hours of Claude Code
After the deacon sent the dogs to sort out the polecats, I have thoughts.
My Projects in 2025
A look back at my product, tool and game development projects from 2025, plus reflections on freelancing and personal growth.
Give your agentic processes a name
Combining tools and skills with a custom name yields great results
Why I'm Spoiled By Apple Silicon (But Still Love Framework)
A personal comparison of battery life between my MacBook M1 Pro and Framework 13
A tool to pick the best time to post to Hacker News I made using Claude
An analysis of optimal posting times on Hacker News based on Claude's insights into engagement patterns and user behavior
Automate compile_flags for C/C++ projects on the Zig build system
A Zig package that generates compile_flags.txt files to provide proper editor integration for C/C++ projects using build.zig, ensuring your IDE can find include paths and provide code intelligence.
Adventures in Game Development
Reverse engineering, game jams, challenges, learnings
A Fresh Start: Moving My Blog to the Edge
Blazingly fast and hosted for free on the edge
'Polygon Peril' Prototype video game available to play now
How to Cherry-Pick a Git Commit from a Fork
React Behavioural Props
Get 3D look rotations in 2D with Godot 4
UNRECORD: Is this game footage real or fake?
UNRECORD is causing a stir on social media
Migrating from Styled Components to Emotion
A short and simple guide
How To Add JavaScript Bundling To An Existing MVC Project
A Modern Approach to Legacy Web Applications
Git: Delete Merged/Deleted Branches
Getting Started With Meteor and React
Now with more ES6
How To Build The Native Docker Client On Windows
University (Upending My Life) and Some History
A change of scenery and means
Xbox Media Centre with Raspberry Pi
Trying out three XBMC distributions
String.Trim vs Regex.Replace
A code review lesson on knowing your standard library
Sublime Text - A Text Editor For Programmers - Part 1 - Package Control
My journey through text editors and why Sublime Text won me over
Update All Hg Repositories Using Powershell
28 Hour Day
Reflections on Scott Hanselman's productivity tips and the joy of programming
Stack Overflow DevDays 2011 - Sydney
Stack Overflow DevDays is back and coming to Sydney