Blog

Stories about the things we build: code, projects and what we learn along the way.

• 13 April 2026Leveraging Graph RAG to Fix LLM Hallucinations Where Facts Can't Be WrongWhy vector-only RAG can't reason about relationships, and how knowledge-graph RAG (Microsoft GraphRAG, LightRAG, Neo4j) adds the traceability and explainability that regulated domains need.
• 29 April 2024Develop an internal tech support chatbot with Database and FileSystem integrationBuilding an internal tech-support chatbot that goes beyond a plain LLM by integrating with a database and the file system to answer real operational questions.
• 9 April 2024General-purpose GPU programming without compute shadersGeneral-purpose GPU computation on OpenGL ES, which lacks compute shaders — implementing a slime-mold simulation with vertex/fragment shaders and framebuffer swapping.
• 13 March 2024Using AI to detect fraudBuilding a neural-network fraud-detection classifier with TensorFlow/Keras — data preprocessing, handling class imbalance, feature engineering and model training.
• 4 March 2024A guide to implementing a binary formatA practical guide to designing and implementing a compact binary file format — from layout and headers to reading and writing the bytes.
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  6 January 2023Launch of Cast to SonosCast to Sonos is a free Google Chrome extension that streams audio from any browser tab to your Sonos system, available in over 40 languages.
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  5 July 2020Want to turn your WordPress website into an app?Turning your WordPress website into a mobile app unlocks offline access, native device features like the camera and location, and a closer connection with your users.
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  30 April 2020Using React Ionic in productionThe pros and cons of building a production mobile app with Ionic React, after weighing it against Xamarin, React Native and Flutter.

Archive

Older and more technical posts.

• 30 January 2024Creating a binary storage format
• 10 September 2023Troubleshooting common issues with composite indexes in SQL databases
• 9 September 2023Eliminating full table scans for paginated SQL queries
• 22 April 2023Binary Heaps with Javascript
• 12 January 2023A complete guide to tracking events with GA4 & BigQuery
• 16 May 2021S3 Not passing correct CORS headers to Cloudfront
• 23 March 2020Illustrator Script Installer
• 7 February 2020Authenticating Firebase JWT Tokens
• 19 January 2020Batch exporting Adobe Illustrator data sets
• 12 January 2020Key value wrapper around IndexedDB
• 11 November 2019Export an Illustrator file to all important file formats
• 8 June 2019Editing Netlify CMS config.yml from Netlify CMS without plugins
• 8 June 2019Markdown viewer for windows
• 24 May 2019All about debouncing, throttling and batching
• 26 April 2019Mindviewer - Create multi-user realtime editable mindmaps
• 16 February 2019The real guide to creating a website with free hosting (2019)
• 15 February 2019Downloading, saving and opening files with Cordova
• 14 November 2018A* Pathfinding in Javascript
• 14 November 2018html2js-loader tutorial
• 14 November 2018html2js-loader
• 1 November 2018Create draggable elements with Javascript
• 1 November 2018Lazy loading images with Javascript
• 30 October 2018Creating an Atom feed reader with Javascript
• 30 October 2018Base Converter
• 22 October 2018Creating a Javascript spellingchecker with bjspell
• 14 August 2018Converting JSON from and to XML in Javascript
• 8 July 2018Pure CSS Progress Circles
• 7 June 2018Converting JSON to CSV in Javascript
• 28 May 2018Teaching a Neural Network to write text