Chris's coding blog

I'm Chris Small, a software engineer working in London. This is my tech blog. Find out more about me via GithubStackoverflowResume

Popular posts

2025 - 16m tokens used on openrouter and 8+ Claude projects

December 31, 2025

I used 16m tokens on openrouter in 2025, and created 8+ projects purely with Claude

C# and web 'vibe coding' in 2025

July 04, 2025

Andrej Karpathy coined Vibe Coding in 2025, this is my experience of LLM-assisted coding to date.

Midjourney prompts examples

November 11, 2022

Midjourney is an AI tool for generating images. This post shows midjourney prompt examples for a coffee cup image.

Converting PFX to PEM files in .NET Core

November 14, 2020

How to convert your the PFX files you generated on Windows into PEM files, and then use these in .NET core. This includes PFX files that are password protected.

Public key crytography glossary of terms for .NET Core developers

November 09, 2020

A small glossary of terms for public key crytography including PFX, PCKS, cert and pem files.