Jon Day's Blog

[ Exploring Software Development, Data Science and beyond ]
AWS Lambda PDF Service
June 17, 2020

I recently had to create a PDF service which needed to run on AWS Lambda using Express. I had to do a fair amount of digging to determine how to get this fully working. I decided to repeat the steps I took in my own time and document them, which…

Cosine Haversine formula in Rust
June 12, 2020

I recently had to work with an implementation of Cosine Haversine formula in Javascript. I decided I wanted to understand how this worked in more detail, so reimplemented the algorithm in Rust to perform some tests. The formula is as follows: =ACOS…

Building a sliding puzzle (Part 1 - Backend)
April 22, 2020

In this blog post I will explore creating backend logic for a sliding puzzle game. This project was started on a train with no internet connection and the idea then later expanded upon. I liked the sound of building this as I wanted to explore the…