Blog

• Agentic Coding: Decentralisation of Software Development

  14 October 2025

  Agentic coding marks a decisive shift in software development towards decentralisation and empowered teams across three layers: code, architecture, and team topology.

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• When size matters: the day a rogue getter swallowed our case data

  04 June 2025

  Silent 200s, missing JSON: the tale of a rogue getter, early-flushed headers, and how HTTP buffering let Spring return a valid but half-empty response.

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• Adding interchange time to the Connection Scan Algorithm

  24 June 2020

  Adding interchange (transfer) time to the Connection Scan Algorithm can have unintended consequences. This post discusses the approach taken in the original papers and another alternative approach.

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• Distributed queues with MySQL 8

  15 May 2020

  Writing a distributed queue doesn't have to involve specialist software or writing reams of code. In this post we use MySQL to create a scalable distributed queue.

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• Rotating database backups with node.js and S3

  06 April 2020

  Use node.js to store MySQL dumps in S3

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• Publishing Cucumber reports using Travis and GitHub pages

  12 March 2020

  A guide to publishing Cucumber reports using Travis CI and GitHub pages

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• Setting up Swagger with a Koa API

  13 February 2020

  A brief guide to setting up Swagger API documentation with a Koa API.

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• Continuous deployment video guide

  16 January 2020

  A video guide to continuous deployment with Travis CI and PM2

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• Continuous deployment on a budget

  03 December 2019

  Set up a continuous integration and continuous pipeline for free with Travis and PM2

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• Implementations of a journey planner based on transfer patterns

  14 November 2019

  Practical approaches to implementing a journey planner based on transfer patterns

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Older posts

• Introduction to functional programming
• Nominal typing in TypeScript
• CSA Workarounds
• Multi-station queries with Raptor
• Node.js software architecture and design
• Finding pareto optimal journeys
• More GTFS tools released
• Encapsulating mutable state
• Using directed acyclic graphs to store transfer patterns
• Async Stream Handlers
• Raptor, another journey planning algorithm
• Converting TransXChange documents to GTFS
• Notes on node.js streams
• A step towards decentralized ticketing
• A practical introduction to conditional types
• Node.js (JavaScript) performance tips
• Is it all Scrum's fault?
• Secure static sites with Travis, S3 and CloudFront
• Solidity and the Pet Shop of Horrors
• Open problems in rail
• Blockchain Transport
• HackTrain 4.0 - the best hackathon on a train
• Introduction to Blockchains
• Converting CIF to GTFS
• Updates and a re-release
• How to publish TypeScript projects with NPM
• Ticket Issuing Systems - SDCI+ 101
• Amazon Lex with HTML5 audio
• On PHP, Scala and node.js
• Checking a journey is valid for a fare
• Parallel Node.js
• Calculating UK Rail Fares
• Trip Based Public Transit Routing
• Persistent Spot Fleet Instances
• So you want to build a journey planner
• Refactor to Functional
• The Lean Scrum