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A Sketch of the Biggest Idea in Software Architecture (2022)
Narrow waists: an idea in software architecture that relates to networking, operating systems, language design, compilers, and distributed systems.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,116 posts.
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A better merge workflow with Jujutsu
A merge workflow for activating multiple branches simultaneously using Jujutsu, an alternative VCS to Git.
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Thinking in Actors – Challenging your software modelling to be simpler
Challenging your software modelling techniques to be simpler
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Accidentally writing a SAT solver
where my words occasionally escape /dev/null
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SaberVM
This post announces SaberVM, an abstract machine for functional programs that guarantees safety, reliability, and portability.
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Lisp Query Notation (LQN)
Query language and terminal utility for transforming various data formats
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The "End of Programming" will look a lot like programming (2023)
Nobody wants “temperamental and mysterious” products, so what will AI-integrated software development look like?
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TypedDicts are better than you think
TypedDict was introduced in PEP-589 which landed in Python 3.8. The primary use case was to create type annotations for dictionaries. For example,...
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The upcoming iterator design for Go 1.23
NOTE: This is based on, but completely rewritten, from a Twitter post:https://x.com/TheGingerBill/status/1802645945642799423TL;DR: It makes Go feel too "functional" rather than being an unabashed imperative language.I recently saw a post on Twitter showing the upcoming Go iterator design for Go 1.23 (August 2024)…
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Pie doesn't need to be original unless you claim it so
View this post in browser Your pie doesn't need to be original (unless you claim it so) Imagine you bake a delicious peach pie over the weekend, and you...
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Take the Road Most Documented
How great would it be if the solution to most errors you face were in the first place you looked? That’s what the Arch Wiki has been for me: a massive wealth of information and troubleshooting resources to help me navigate the various configuration and installation issues I’ve encountered. Some people claim Arch Linux…
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Array Languages: R vs. APL (2023)
I’ve been learning at least one new programming language a month through Exercism which has been really fun and interesting. I frequently say that “every language you learn teaches you something about all the others you know” and with nearly a dozen under my belt so far I’m starting to worry about the combinatorics of…
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Arena-based parsers
The code is a bit "experimental" but it's available in the arena-fixes branch (make sure to enable --features=development if you run it from a Git repo).
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How to Build a Chess Engine and Fail
A Chess-AI is something every programmer should build at least once and [Sebastian Lague’s](https://www.youtube.com/@SebastianLague) [competition](https://www.youtube.com/watch?v=iScy18pVR58) was the perfect opportunity for me to do so. Constrained to 1024 tokens I wanted to implement an evaluation function similar to…
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Inline previous result in Emacs Lisp
Artur Malabarba's Debugging Elisp Part 1: Earn your independence is nearly a decade old, yet it rings just as true today. Learning to Edebug really *"...
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JavaScript Benchmarking Is a Mess
Design decisions core to JavaScript have caused a multitude of problems for benchmarking. Is there a solution to this?
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UUID Benchmark War
This month’s PGSQL Phriday #015 topic is about UUIDs, hosted by Lætitia Avrot. Lætitia has called for a debate. No, no, no. I say let’s have an all-out war. A benchmark war. I have deci…
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The end of "Useless Ruby sugar": On intuitions and evolutions
I wrote the analysis of “useless sugar” features of Ruby for two months, and I regret nothing.
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Structured Editing and Incremental Parsing
As someone who has from time to time written on parsing, and even published some parsing research , I get asked questions about parsing fairly regularly, some of which I’m even capable of answering.
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Compiling to Assembly from Scratch
Then come along! Let’s make a compiler that goes all the way from source to assembly from scratch—no shortcuts!
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Setting up PostgreSQL for running integration tests
Setting up PostgreSQL for tests is crucial for achieving performance and reliability. In this article, I'll explain how to set up PostgreSQL for tests and discuss some common pitfalls to avoid.
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How I failed to make a game: Raycasting on the GBA
Today I am releasing my raycasting tech demo for the GameBoy Advance. Although it falls short of the goals I set out in the beginning – which included releasing a playable game –, I think there are some lessons worth sharing with the world.
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Building a baseline JIT for Lua automatically (2023)
This is the Part 2 of a series. Feel free to read the prequel for more context: Building the fastest Lua interpreter automatically Building a good VM for a dynamic language takes a ton of engineerin
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Does Your Code Pass the Turkey Test? (2008)
Over the past 6 years or so, I’ve failed each item on “The Turkey Test.” It’s very simple: will your code work properly on a person’s machine in or around th...
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An Exploration of SBCL Internals (2020)
SBCL is a Common Lisp implementation, with a performant compiler and support for a wide range of platforms. It has excellent documentation , and even a guide to internals (... this is written towards people who already know a lot about how it works though). This paper about SBCL's fairly unique build process is also…
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The memory remains: Permanent memory with systemd and a Rust allocator
A Rust object that survives program restart thanks to Rust allocators, systemd's file descriptor store, and syscall memfd_create.
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Org Mode Syntax Cheat Sheet (2017)
I’m a keen user of Emacs and Org mode for a variety of tasks, including note taking, generating documents for exporting to LaTeX, Word, or html. creating blog posts (notably for this blog, us…