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Making ast.walk 220x Faster
Why ast.walk when you can ast.sprint? How we made Python AST traversal 220x faster while building a custom linter for Reflex's AI code generation.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 455 posts.
422
Mine, a Coalton and Common Lisp IDE
By Robert Smith mine is a brand new IDE for Coalton and Common Lisp, built from the ground up with one purpose: To make Coalton and Common Lisp easier and more accessible to the programming world. TL;DR? Go to mine's homepage with downloads for Windows/macOS/Linux. mine is a complete, single-download application that…
423
Message Queues: A Simple Guide with Analogies (2024)
This guide explains message queues with analogies: databases, warehouses and post offices.
424
Advanced coding in low-resource programming languages
Learn how OpenAI is improving ChatGPT across low-resource programming languages, with new evaluations for software engineering, SQLite, and COBOL migration.
425
Rust All Hands 2026 Retrospective
Want to follow along with Rust development? Curious how you might get involved? Take a look!
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Install.md: A standard for LLM-executable installation
A proposal for a standard /install.md file that provides LLM-executable installation instructions.
428
Don't use musl if you care about performance
I've spent most of my career working inside the JVM, with a sidebar of Python. So the first time I hit incompatible libc with containerized Bifrost, and GPT suggested musl as the solution, not only did I jump on it, I moved my other Rust projects to musl as
429
We're Building Postgres in Rust. Using the LLVM of Databases
Turso is becoming the LLVM of databases: one modern, reliable Rust core with many SQL frontends. After rewriting SQLite, we are now building Postgres.
430
Sublime Text Build 4213
Sublime Text now ships with Python 3.14 and Python 3.3. Python 3.3 is disabled by default and will be removed in a future version. If you're experiencing plugin compatibility issues you can re-enable 3.3 using the setting "disable_plugin_host_3.3": false .
431
Reliable Software in the LLM Era
Quint - Executable specs for reliable systems
432
The Common Lisp Cookbook – LispWorks Review
A collection of examples of how to use Common Lisp
433
Journey to JPEG XL: open-source experiments shaped the future of image coding
Explore how a decade of open source experiments in psychovisual modeling and compression led to JPEG XL, the future of image coding.
434
Hologram v0.7.0: Milestone release for Elixir-to-JavaScript porting initiative
Hologram v0.7.0: 49 contributors ported 150 Erlang functions, pushing runtime coverage from 34% to 96%. Plus enhancements, bug fixes, and infrastructure work.
435
We interfaced single-threaded C++ with multi-threaded Rust
And lived to tell the tale.
436
Formal Methods and the Future of Programming
I’ve been telling people for the last 25 years that Jane Street as an organization was just not interested in formal methods.
437
What's the largest software project AI can complete on its own?
MirrorCode is Epoch AI's benchmark for long-horizon coding: AI can reimplement entire programs end-to-end, with no access to the original source code.
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JEP 544: Ahead-of-Time Code Compilation
Improve startup and warmup time by making optimized native code for an application instantly available when the HotSpot Java Virtual Machine starts. Achieve this by compiling application code to native code in a training run, storing the native code in the AOT cache for use in subsequent production runs. If the…
440
Yes, Claude can do nine loops
Claude computes a nine-loop amplitude in N=4 super-Yang-Mills
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TypeScript 6.0 RC
Today we are excited to announce the Release Candidate (RC) of TypeScript 6.0! To get started using the RC, you can get it through npm with the following
443
TorchLean: Formalizing Neural Networks in Lean
Neural networks are increasingly deployed through software stacks whose behavior is defined by tensor layouts, preprocessing choices, compiler boundaries, floating-point arithmetic, GPU kernels, and external model exporters. TorchLean is a Lean 4 codebase for neural network specification, execution, and verification…
444
Building a local positioning system to track runners using Ultra-Wideband
An open-source multi-tag fully local UWB positioning system.
445
The Road to the WASM Component Model 1.0
WASI P3 is almost here, bringing native async support to the WebAssembly System Interface (WASI) and Component Model. In this post, we’re looking to the next big milestone: a stable, formally specified Component Model 1.0.At February’s B...
446
An Introduction to YOLO26
What YOLO26 is: NMS-free, edge-optimized YOLO with 43% faster CPU inference, benchmarks by size, licensing, and how it compares to RF-DETR.
447
How Swiss tables work in Go built-in map
Go 1.24 replaced the built-in map’s bucket-based runtime with Swiss Tables. This article explains groups, control bytes, H1 and H2, probing, table growth, directories, deletion, load factor, and the experimental split-group layout.
448
JEP 540: Simple JSON API (Now in Incubator)
Define a simple, standard API for parsing and generating JSON documents so that doing so does not require an external library. Enable many JSON processing tasks to be accomplished with little coding. This is an incubating API .
449
Hanami 3.0: In Full Bloom
New mailers, i18n, and Minitest. Your apps faster by default. Our most complete Hanami yet!
450
I hate packaging my software for Linux
Nineteen distribution channels later: what it actually costs to give a terminal editor away for free on Linux, and why the next step is a static musl binary that updates itself.