Code7 Interactive

Arduino development in Neovim

Tue, 23 Sep 2025 00:00:00 +0000

If you’d rather skip the Arduino IDE, you can still get a nice setup just using the CLI and LSP.

Reviving a Quarter Century-Old Server

Wed, 10 Sep 2025 00:00:00 +0000

I recently brought down one of my old servers from the attic, where it had been stored for almost two decades.

WebAssembly Fantasy Consoles

Mon, 14 Oct 2024 00:00:00 +0000

There are various serious use cases of WebAssembly out there.

Experimenting with GLSL

Thu, 19 Sep 2024 00:00:00 +0000

I’ve been doing some minor experimentation with writing shaders in GLSL instead of doing software rendering like I usually do.

About

Wed, 18 Sep 2024 00:00:00 +0000

About me and the company

Me

I have used many different languages and technologies over the years, but lately the Go programming language has been my tool of choice.

I also keep a keen eye on the development of Zig ⚡

I live in Stockholm, Sweden.

The company

Code7 Interactive was established in late 2001 and is now a side business to my day job as a System Developer at Athega.

What this means is that I only pick projects that are interesting and don’t have a strict time frame for completion.

WebAssembly plugins for Typst, in Zig

Tue, 17 Sep 2024 00:00:00 +0000

While I was revisiting the typesetting system Typst, I noticed that it is capable of interfacing with plugins compiled to WebAssembly.

From Go to Zig

Thu, 13 Aug 2020 00:00:00 +0000

Getting to know Zig, a general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.

Switching to vim-plug

Mon, 30 Jan 2017 00:00:00 +0000

I’ve switched to vim-plug, a minimalist Vim plugin manager.

From Go to Pony

Fri, 01 Apr 2016 00:00:00 +0000

Getting to know Pony, an open-source, object-oriented, actor-model, capabilities-secure, high performance programming language.

Go and Ruby-FFI

Wed, 26 Aug 2015 00:00:00 +0000

How to write a shared library in Go that can be loaded by Ruby-FFI.

From Go to ooc

Fri, 16 Jan 2015 00:00:00 +0000

Getting to know ooc, a small programming language that compiles to C99.

From Ruby to Lua

Sat, 03 Aug 2013 00:00:00 +0000

Getting to know Lua, a powerful, fast, lightweight, scripting language.

7-Segment Display

Sun, 19 May 2013 00:00:00 +0000

How to use Ruby to control a 7-Segment Display (via an Arduino).

Switching to Vundle

Sat, 27 Apr 2013 00:00:00 +0000

I’ve decided to use Vundle the Vim package manager.

Intro to Celluloid

Wed, 17 Apr 2013 00:00:00 +0000

A framework used for concurrent object oriented programming in Ruby.

Elasticsearch in Ruby

Mon, 08 Apr 2013 00:00:00 +0000

A tiny project using the search engine elasticsearch in Ruby.

From Ruby to Go

Sat, 27 Oct 2012 00:00:00 +0000

Getting to know Go, a fun little language from Google.

Tiny API with Nginx

Wed, 28 Mar 2012 00:00:00 +0000

How to build a tiny REST API using Nginx, Memcached and GeoIP.

From Ruby to Lisp

Sun, 18 Mar 2012 00:00:00 +0000

My first steps as a Ruby developer towards learning Lisp.

Goliath and Redis

Wed, 04 Jan 2012 00:00:00 +0000

Getting started with the non-blocking Ruby web server framework Goliath in combination with the advanced key-value store Redis.