Posts

• Purity: A Horn Clause Only library for Prolog

  A set of predicates that helps write programs that use only Horn Clauses. The entire library uses only "pure" prolog operations and no inbuilt predicates.

• Run a Prolog web server in Docker

  Running apps in Docker allow for flexible deployment options to production options. I have included here how I build web server Docker images using Prolog.

• Send SMS messages from Prolog using Twilio

  A useful bit of code showing how to send and SMS using the Twilio APIs.

• A simple script to backup remote git repositories

  I have several git repositories, both private and for work and wanted a way to update them all at once to a local backup folder

• A solution to Einstien's Riddle

  There is a group of houses, and a set of clues to determine who lives where, but who owns the fish?

• A solution to the Three Cards Puzzle

  Given only parts of the cards and how they relate to each other, find the three cards...

• Music Reference Tool in Pure Prolog

  A small tool that can generate scales and chords of any type. Uses only horn clauses

• Security using Goal Expansion

  Exploration of a simple example of how to enforce security rules for predicates after the predicates have already been written and used several times.

• Kris Kringle Assignment Tool

  A little program that helps to assign Kris Kringle targets based on a set of rules.

• A Static Website Generator

  At the start this site used a very simple generator program to add a consistent style across the site. This page explains the code behind this.

• Convert JSON to CSV

  A client wanted a dump of the users in their system, but I didn't have access to the database, only to an API that spit out JSON.

• A Simple Traffic Light System

  A fun exercise to create a traffic light system that could be used for model trains, or whatever.

• The Many Uses Of Append/3

  Prolog predicates often end up with more than one use, and append is a built in predicate that has a good number of subtle uses.

• A Pure Way To Convert Colours

  After an exercise to convert raw RGB values into a hex code (eg: #ff00ff) was raised on Reddit daily programmer, I thought a Prolog version was required.

• A Simple Dungeons & Dragons Dice Roller

  If you have played Dungeons and Dragons before then you would know that sometimes dice rolls can become a bit tedious, why not automate them?