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Articles in the Programming category

Sat 10 February 2018

By Austin

Apocrypha

The problem When creating applications, it's handy to be able to store data between runs. Maybe you have a server that can restart when your laptop comes out of sleep. Or maybe you have a script that you want to run periodically, so it needs to check...

Mon 13 November 2017

By Austin

Practical Coprocesses

Introduction Coprocesses expose a way to run a subshell asychronously, while maintaining full communication through pipes. In a typical script, you can run commands in the background (asychronously) with the & operator. This allows tasks to be worked...

Sun 02 April 2017

By Austin

Hal

Introduction Hal is a artificial intelligence I wrote for the Minecraft server I run. Here I hope to shed some light onto what he does and how he works. I'm going to run with the anthropomorphized 'he' even though Hal is really just a bunch of shell...

Mon 03 October 2016

By Austin

Fibonacci

You've probably heard of the Fibonacci sequence. After all, it's all over nature in flowers, pinecones, shells, and leaves. Most of us can name off the first dozen or so numbers in the sequence too 1, 1, 2, 3, 5, 8, 13, 21, 34, ... But have you ever...

Sat 12 March 2016

By marble

Ray Tracing with Functional Languages

There are a few notable programming features intrinsic to functional languages that make them well suited for implementing algorithms like ray tracing. We'll be using a simple ray tracer implemented in Typed Racket as the article of discussion. For all...

Sun 08 November 2015

By Austin

Racket

Racket is a dialect of Scheme, which itself is a derivate of Lisp. It's a functional language, which I find very appealing. A lot can be expressed very concisely and elegantly. It's not my go-to language for everything, but whenever I have a question...