Related posts

AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).

• Reasoning from scratch round 3: This time, I cover generating a verifier for... a) ...evaluation (base model versus any future model improvement) b) ...the reinforcement learning with verifiable rewards (RLVR) training later on 00:00 Introduction 01:21 Four approaches to LLM evaluation 07:20 Verifiers and reinforcement learning with verifiable rewards 10:52 Notebook setup and dependencies 13:43 Section 3.1 Building a math verifier 18:57 Section 3.2 Loading a pre-trained model to generate text 24:34 Generating and displaying model answers 29:23 Section 3.3 Implementing a wrapper for easier tex…

  LLMsRelated

Web developer; former head of engineering at Flickr, author of Building Scalable Web Sites, and co-founder and CTO of Slack.

• homespring.js — A JavaScript interpreter for Homespring

  JavaScriptRelated

Programmer, photographer and musician, best known for the Python Requests HTTP library and other Python tooling.

• Making a Python interpreter in 1024 bytes

  austinhenley.com

  Related

Brazilian-American staff software engineer working on platforms, AI and developer productivity. Writes about engineering and his setup at ivansantos.me.

• I wrote an opencode2 plugin so I can /connect @cursor_ai and chat with composer from the tui. not a wrapper around a hack. just the official sdk and a lot of "unsupported package" errors. 10/10 would debug again!

  Related

Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.

• fragile — Utility wrapper to send non send types to other threads safely

  Related

Distributed-systems safety researcher; runs the Jepsen consistency-testing project and wrote the Riemann monitoring system.

• bifurcan-clj — Clojure wrapper for the Bifurcan family of data structures

  Related

Ruby and Rails core committer known online as "tenderlove"; maintains Nokogiri and works on Ruby performance.

• prizm — Prism wrapper for Zig

  Related

Full-stack Laravel developer based in Madison, Wisconsin; maintains open-source Laravel, Livewire and Alpine.js packages and writes at randallwilk.dev.

• laravel-ups — UPS api wrapper for Laravel.

  Related

Security researcher; built Report URI and Security Headers, and writes about web security in practice.

• Passkeys, Permissions Policy and Bug Hunting in 1Password's WebAuthn Wrapper

  Passkeys are the best thing to happen to web authentication in years, but a passkey ceremony is only as secure as the stack enforcing it. The browser, the relying party, the authenticator, and any extension sitting betw…

  Related

Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• glulxe — The Glulx VM reference interpreter

  Related

Ruby and Rails core committer known online as "tenderlove"; maintains Nokogiri and works on Ruby performance.

• strlen — I wrapper around strlen

  Related

Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• jglfw — Java wrapper for the GLFW (http://www.glfw.org)

  Related

Indian software developer and prolific blogger on PHP, Laravel and JavaScript; open-source enthusiast publishing near-daily at amitmerchant.com.

• array-utils — Simple wrapper implemention of common PHP array methods

  Related

Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• What if you don't need MCP at all?

  Got Bash and some code interpreter? Skip MCP.

  MCPRelated

Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• Infinite Footguns: Writing a JavaScript Interpreter in JavaScript

  Building a JavaScript AST interpreter in JavaScript: scope isolation, ES5 implementation, and all the footguns along the way.

  JavaScriptRelated

Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• lectrote — The IF interpreter in an Electron shell

  Related

Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• quixe — A Glulx VM interpreter written in Javascript

  JavaScriptRelated

Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• bocfel — Fork of the Bocfel Z-machine interpreter

  Related

Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.

• Performance of the Python 3.14 tail-call interpreter

  About a month ago, the CPython project merged a new implementation strategy for their bytecode interpreter. The initial headline results were very impressive, showing a 10-15% performance improvement on average across a…

  Related

Programmer and writer known for detailed source code reviews of classic game engines, and author of the Game Engine Black Book series on Wolfenstein 3D and DOOM.

• Another-World-Bytecode-Interpreter — "Fabother World" an interpreter for Another World (Out of this world).

  Related

Co-creator of the Go programming language, of UTF-8 and of the Plan 9 operating system; formerly of Bell Labs.

• lisp — Toy Lisp 1.5 interpreter

  Related

Member of technical staff at Anthropic. He has led ML/AI teams at Amazon, Alibaba and Lazada, and writes about LLMs, recommender systems and engineering at eugeneyan.com.

• python-collab-template — 🛠 Python project template with unit tests, code coverage, linting, type checking, Makefile wrapper, and GitHub Actions.

  Related