Ste Griffiths

Living the way of Jesus, writing code, and loving my community.

Hi, I’m SteGriff! I’m married to Helen, I write code for NSG Pilkington (and for fun), and I’m trying to take after Jesus Christ (but still working on it).

I write fairly technical notes on my blog, and more longform on

Recent blog posts:

Casio PX-5S stuck on ‘No media’ and ‘No file’ when I switch it on

Everyone’s favourite blog post genre; it’s niche troubleshooting time! 👩‍🔧 I’m about to sell a Casio Privia PX-5S. Last time I used it, I loaded up a custom ALL file of a load of replacement voices and stage settings from a USB drive. Well, I went to turn it on...

How Kinopio helped me design and build an npm package

For a little while I’ve wanted to build an npm package using the latest typescript technology and build chain, like esbuild. But… there was a lot to learn and figure out, and I wasn’t sure where to start! So I decided to start expressing my thoughts, notes, and plans using...

Suddenly getting CORS errors in a .Net web application

A call from my SPA to the .Net backend, that had been working fine, started going red in my browser DevTools. POST + Preflight | (failed) net::ERR_CONNECTION_REFUSED I knew my CORS config hadn’t changed, and in fact the app is built with appBuilder.UseCors(CorsOptions.AllowAll); While Ducking around for a solution, I...