Blog Posts:

25 October 2016

A Kubernetes dev environment for Mac

This post will explain how you can hack Kubernetes on a Mac, and easily compile and run the resulting cluster locally. Specifically, I’m talking about working on the Kubernetes…

26 June 2016

Dithering on the GPU

Dithering is more than just a way of representing an image with a restricted colour palette. Early desktop computer and videogame hardware represented a new medium for a cohort…

5 May 2016

When is it okay to delete an OpenGL buffer?

The spec says you can call glDeleteBuffers on a buffer object as soon as you no longer wish to directly reference that buffer. However, in practice you should not delete…

13 April 2016

Notes from watching Bot Summit 2016 from my home

I clued into Bot Summit kind of late, as I saw my Twitter feed explode on Saturday. While I haven’t been into the bot scene for very long, my awareness of this community has been…

13 September 2015

Gracefully shutting down worker nodes on Elastic Beanstalk

At work, we recently came across what should have been a straight-forward problem, that turned out to be anything but. We wanted to host a worker – a program that consumes jobs…

25 March 2015

Building a search engine for logos

I recently created Token with my partner. It’s a search engine designed for logos, and we made it in a couple of weeks with a host of technologies I had never used before, including…

24 January 2015

Drawing multiple viewports at the same time

Sometimes in graphical applications you want to draw multiple viewports on the same screen at the same time. Think about split-screen games, CAD programs showing multiple views, or…

11 January 2015

Prototype to polish: Making games in CHICKEN Scheme with Hypergiant

Hypergiant is a library for CHICKEN Scheme that tries to make it easy to make efficient games.¹ The idea behind it is the belief that games should start with a prototype…

3 November 2014

Using the Samsung Chromebook for remote and local development with Emacs

With the death of my Macbook’s battery, I decided to find a new portable computer, rather than pay a bunch for a several year old “new” battery. I settled on Samsung’s Chromebook. It…

7 May 2014

Modern OpenGL in a single C file

I’ve lost count of the number of times I’ve wanted (and made) a simple, working OpenGL example in order to start off a project. It’s so often desirable to work on a project incrementally…

21 January 2014

Searching Racket documentation from Emacs

I’ve been working with Racket lately, and got tired of clumsily going to a docs.racket-lang.org tab in my browser to look up Racket symbols. A one-minute hack of a…

8 September 2013

Insertion sort in Common Lisp

Having an application where insertion sort would perform well (i.e. a mostly sorted list), I decided to implement it in Common Lisp. The result was only marginally better than SBCL’s…

Projects:

Hypergiant

A cross-platform graphics library in CHICKEN Scheme that compiles to C.

It has a unique interface to OpenGL that is expressive while hiding nothing.

Libraries

A variety of libraries in Scheme, C, and Common Lisp that do various things.

site-generator

In a stunning display of NIH, I wrote a static site generator in Common Lisp.