The personal site of Matthew Davidson.https://modulolotus.net/https://modulolotus.net/blog/2018-05-31-clojure-trie-performance/https://modulolotus.net/blog/2018-05-31-clojure-trie-performance/A detailed exploration of optimizing Clojure trie implementation for performance, showing the progression from idiomatic but slow code to highly optimized JVM-specific implementations with significant speed improvements through algorithmic changes and JVM optimizations.Thu, 31 May 2018 00:00:00 GMThttps://modulolotus.net/blog/2014-07-11-premature-optimization/https://modulolotus.net/blog/2014-07-11-premature-optimization/A cautionary tale about focusing on algorithmic optimization before profiling. I wasted time implementing fancy graph algorithms for a puzzle only to discover that Java startup time was the actual bottleneck.Fri, 11 Jul 2014 00:00:00 GMThttps://modulolotus.net/blog/2019-05-03-my-fav-idm/https://modulolotus.net/blog/2019-05-03-my-fav-idm/A curated list of influential IDM artists and essential albums from the 90s, featuring Aphex Twin, Autechre, Boards of Canada, and more.Fri, 03 May 2019 00:00:00 GMThttps://modulolotus.net/blog/2023-03-17-undertale-exapunks/https://modulolotus.net/blog/2023-03-17-undertale-exapunks/My mashup demo recreating Undertale inside the Zachtronics' game EXAPUNKS.Fri, 17 Mar 2023 00:00:00 GMThttps://modulolotus.net/blog/2017-05-17-thoughts-on-cryptopals-1/https://modulolotus.net/blog/2017-05-17-thoughts-on-cryptopals-1/Insights and challenges from solving the Cryptopals cryptography exercises using Clojure, highlighting specific implementation issues, JVM limitations for byte manipulation, and offering tips for specific challenges.Wed, 17 May 2017 00:00:00 GMThttps://modulolotus.net/blog/2023-06-20-aleph-http2-changes/https://modulolotus.net/blog/2023-06-20-aleph-http2-changes/A technical overview of implementing HTTP/2 client support in Aleph, detailing challenges with stream handling, protocol negotiation, and real-world implementation differences from the HTTP/2 specification.Tue, 20 Jun 2023 00:00:00 GMThttps://modulolotus.net/blog/2025-03-04-test-impact-analysis/https://modulolotus.net/blog/2025-03-04-test-impact-analysis/Test-impact analysis (TIA) optimizes CI pipelines by running only relevant tests based on code changes, reducing test execution time and resource consumption.Tue, 04 Mar 2025 00:00:00 GMThttps://modulolotus.net/blog/2025-03-25-learning-thai-with-ipa/https://modulolotus.net/blog/2025-03-25-learning-thai-with-ipa/An exploration of using the International Phonetic Alphabet (IPA) to enhance Thai language learning, focusing on improved vowel pronunciation.Tue, 25 Mar 2025 00:00:00 GMThttps://modulolotus.net/blog/thai-v-vs-w/https://modulolotus.net/blog/thai-v-vs-w/They're not close in production.Sat, 28 Jun 2025 00:00:00 GMThttps://modulolotus.net/blog/i-declared-nix-bankruptcy/https://modulolotus.net/blog/i-declared-nix-bankruptcy/I gave up on nix-darwin, and reverted back to Homebrew.Tue, 29 Apr 2025 00:00:00 GMThttps://modulolotus.net/blog/2022-06-22-tidd/https://modulolotus.net/blog/2022-06-22-tidd/An exploration of test-induced design damage (TIDD) in Clojure, examining how code modifications made solely for testing can lead to unnecessary complexity, with comparisons of various approaches including with-redefs, binding, protocols, and the dynamic-redef library.Wed, 22 Jun 2022 00:00:00 GMThttps://modulolotus.net/blog/2014-06-08-setting-up-rails/https://modulolotus.net/blog/2014-06-08-setting-up-rails/A comprehensive guide to setting up a Ruby on Rails 4.0.0 application with Nginx and PostgreSQL on a Digital Ocean droplet, covering user creation, Ruby installation via RVM, Nginx configuration, and database setup.Sun, 08 Jun 2014 00:00:00 GMThttps://modulolotus.net/blog/2017-03-28-setting-up-algo/https://modulolotus.net/blog/2017-03-28-setting-up-algo/A practical guide to setting up a personal VPN using Algo and strongSwan on an existing Ubuntu server, including solutions to common issues with SSH connections, firewall configurations, and root access requirements.Tue, 28 Mar 2017 00:00:00 GMT