Month August 2026

August 23, 2018 [Graft, Linux, Programming, Python, Tech] Here is an almost-minimal example of a systemd service file, that I use to run the Mastodon bot of my generative art playground Graft. I made a dedicated user just to run this service, and installed Graft into /home/graft/apps/graft under…

September 04, 2018 [Tech] I want all requests to artificialworlds.net/rabbit-escape/levels/ to get redirected to use the https protocol, and to include “www.” at the beginning of the URL, and I found lots of Stack Overflow articles, but nothing there worked perfectly for me. Here is how I managed…

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September 05, 2018 [Tech] I found out on Mastodon recently that the Compose key exists, allowing you to enter special characters using easy-to-remember key sequences (e.g. “<compose>/=” gives you “≠“). To do this on Ubuntu (and probably many other systems), hold SHIFT, then press AltGr, release them both,…

September 06, 2018 [Tech] In a previous post I described how to install Flarum locally on Ubuntu. Here is how I set up my development environment on top of that setup so I was able to write a new Flarum extension and test it on my local machine.…

August 21, 2026 [Programming, Rust, Tech, Videos] More coding with Jez and Andy. We’re continuing working on our gunzip clone: we know we will need to be able to look back while we are encoding at recently-written bytes, so this time we’re writing a look-back buffer. We could…

September 06, 2018 [Tech] If you use Wunderlist and want to be able to bulk-add tasks from a text file, first install and set up wunderline. Now, to be able to right-click a text file containing one task per line on Ubuntu MATE, create a file called “wunderlist-bulk-add”…

September 12, 2018 [Elm, Programming, Programming Languages, Tech] Elm is unstable, so upgrading to the next version can be painful. Here’s what I needed to do to upgrade from 0.18 to 0.19. Replace elm-package.json and tests/elm-package.json with elm.json – e06f5a1728 Switch to the new elm-test – b964b7c7a Re-arrange…

I’m running a workshop at the Egham Raspberry Jam on 21st October. The workshop will introduce my little animation language Graft. We will tell a story using animations that we created ourselves using code. The worksheet for the workshop is here: PDF or ODP. I reproduced it as…

Because the Rapsberry Pi uses a slightly older Python version, there is a special version of Graft for it. Here’s how to get it: Open a terminal window by clicking the black icon with a “>” symbol on it at the top near the left. First we need…