My personal blog about software development and more.https://andrewthecoder.com/en-ushttps://andrewthecoder.com/blog/ai-as-an-assistant/https://andrewthecoder.com/blog/ai-as-an-assistant/A look at changing trends in AI and the job marketTue, 17 Feb 2026 00:00:00 GMThttps://andrewthecoder.com/blog/arc-0-9-1-immutable-http/https://andrewthecoder.com/blog/arc-0-9-1-immutable-http/Request::withAttribute() and Response::with* make middleware safer and easier to reason about. Plus a note on PHP 8.5's clone-chain pitfall.Fri, 05 Jun 2026 00:00:00 GMThttps://andrewthecoder.com/blog/beyond-transformers/https://andrewthecoder.com/blog/beyond-transformers/Transformers are not the end of the story. Here is what a post-attention architecture might actually look like.Fri, 14 Aug 2026 00:00:00 GMThttps://andrewthecoder.com/blog/binary-search-explained/https://andrewthecoder.com/blog/binary-search-explained/A complete tour of binary search: the guessing-game intuition, pseudocode you can port to any language, the logarithmic payoff, when to reach for it and when not to, and the famous overflow bug hiding in the obvious line.Tue, 29 Sep 2026 00:00:00 GMThttps://andrewthecoder.com/blog/building-a-neural-network-from-scratch/https://andrewthecoder.com/blog/building-a-neural-network-from-scratch/A feed-forward neural network implementation in Go with support for multiple activation functions, model persistence, and an interactive TUI.Wed, 10 Sep 2025 00:00:00 GMThttps://andrewthecoder.com/blog/building-a-text-editor-in-c/https://andrewthecoder.com/blog/building-a-text-editor-in-c/A complete C tutorial for building a terminal text editor the way the pros do it: the edit buffer, ncurses rendering, cursor movement, file I/O, find and replace, syntax highlighting, selection and clipboard, undo/redo, and a build system that keeps memory bugs out.Mon, 14 Sep 2026 00:00:00 GMThttps://andrewthecoder.com/blog/building-enchanter/https://andrewthecoder.com/blog/building-enchanter/How a Rust AI agent came together, what we borrowed, what we didn't, and the moment the agent started helping build itself.Sat, 23 May 2026 00:00:00 GMThttps://andrewthecoder.com/blog/building-weightogether/https://andrewthecoder.com/blog/building-weightogether/A technical deep dive into WeighTogether, a full-stack weight loss tracking application built with TypeScript, Express, and Prisma—intentionally avoiding heavy frameworks.Thu, 01 Jan 2026 00:00:00 GMThttps://andrewthecoder.com/blog/can-science-justify-itself/https://andrewthecoder.com/blog/can-science-justify-itself/Exploring the problem of induction and the limits of science.Sat, 17 Jan 2026 00:00:00 GMThttps://andrewthecoder.com/blog/conway-game-of-life-in-rust/https://andrewthecoder.com/blog/conway-game-of-life-in-rust/A complete Rust tutorial on John Conway's most famous cellular automaton: the history of Life, the rules and the algorithms behind them, live-coded examples from a naive grid to a double-buffered universe, and the patterns that made Life famous.Wed, 09 Sep 2026 00:00:00 GMThttps://andrewthecoder.com/blog/enchanter-meets-itself/https://andrewthecoder.com/blog/enchanter-meets-itself/The moment an AI agent started helping build itself, and what that taught Andrew about the design choices that made it possible.Sat, 23 May 2026 12:00:00 GMThttps://andrewthecoder.com/blog/exploring-the-mandelbrot-set-in-ocaml/https://andrewthecoder.com/blog/exploring-the-mandelbrot-set-in-ocaml/An interactive Mandelbrot set viewer built in OCaml with SDL2, exploring the math behind one of the most famous fractals.Fri, 30 Jan 2026 00:00:00 GMThttps://andrewthecoder.com/blog/faith-in-an-unfinished-world/https://andrewthecoder.com/blog/faith-in-an-unfinished-world/If divine power is persuasive rather than coercive, what do trust, prayer, and hope look like in practice? The fourth post turns process theology into a way of life.Wed, 02 Sep 2026 00:00:00 GMThttps://andrewthecoder.com/blog/flat-earth-sunset-problem/https://andrewthecoder.com/blog/flat-earth-sunset-problem/I tried to build a working flat-earth model. The sunset math broke it. Here's why.Sat, 20 Jun 2026 00:00:00 GMThttps://andrewthecoder.com/blog/god-and-contingency/https://andrewthecoder.com/blog/god-and-contingency/Resolving the paradox of a changeless God in a changing world through the lens of process philosophy and its implications for free will.Thu, 29 Jan 2026 00:00:00 GMThttps://andrewthecoder.com/blog/hash-tables-and-2-bit-bookkeeping/https://andrewthecoder.com/blog/hash-tables-and-2-bit-bookkeeping/A look into hash tables, using a C implementation as an example, and an explanation of the memory-saving '2-bit bookkeeping' technique.Fri, 01 Aug 2025 00:00:00 GMThttps://andrewthecoder.com/blog/in-the-hollow-of-the-night/https://andrewthecoder.com/blog/in-the-hollow-of-the-night/Just a short poem about loneliness and remorseMon, 06 Oct 2025 00:00:00 GMThttps://andrewthecoder.com/blog/javascript-enigma-machine/https://andrewthecoder.com/blog/javascript-enigma-machine/A deep dive into the Enigma machine's mathematics and how to simulate its complex cryptographic processes using JavaScript.Tue, 29 Jul 2025 00:00:00 GMThttps://andrewthecoder.com/blog/object-oriented-programming/https://andrewthecoder.com/blog/object-oriented-programming/A brief overvue of the object oriented programming paradigmFri, 15 May 2026 00:00:00 GMThttps://andrewthecoder.com/blog/process-time-and-the-self/https://andrewthecoder.com/blog/process-time-and-the-self/A follow-up reflection on process philosophy — exploring what it means for personal identity when reality itself is becoming rather than being.Wed, 13 May 2026 00:00:00 GMThttps://andrewthecoder.com/blog/resume-for-andrew-s-erwin/https://andrewthecoder.com/blog/resume-for-andrew-s-erwin/my inarticulate resumeFri, 15 May 2026 00:00:00 GMThttps://andrewthecoder.com/blog/sudoku-backtracking-in-python/https://andrewthecoder.com/blog/sudoku-backtracking-in-python/A step-by-step Python tutorial on solving Sudoku puzzles with recursive backtracking: the board model, validity checks, search, solution counting, and a generator that proves uniqueness.Tue, 08 Sep 2026 00:00:00 GMThttps://andrewthecoder.com/blog/the-blog-publishing-pipeline/https://andrewthecoder.com/blog/the-blog-publishing-pipeline/A look at how andrewthecoder.com goes from idea to live — Astro, GitHub Actions, PM2, and a little help from AI along the way.Fri, 22 May 2026 00:00:00 GMThttps://andrewthecoder.com/blog/the-cumulative-case-for-a-creator/https://andrewthecoder.com/blog/the-cumulative-case-for-a-creator/Contingency, fine-tuning, consciousness, moral obligation, and Plantinga on other minds: why the philosophical case for a creator is cumulative rather than demonstrative.Sun, 23 Aug 2026 00:00:00 GMThttps://andrewthecoder.com/blog/the-end-of-self/https://andrewthecoder.com/blog/the-end-of-self/If process theology says our experiences are received into God but we do not survive as conscious persons, is that hope or merely a beautiful memorial?Fri, 22 May 2026 00:00:00 GMThttps://andrewthecoder.com/blog/yearning-for-life/https://andrewthecoder.com/blog/yearning-for-life/A poem about finding hope and light amid darkness and despairMon, 26 Jan 2026 00:00:00 GMT