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Which programming languages are most token-efficient?
Comparing token efficiency across 19 popular programming languages using RosettaCode data - from Clojure to C, there's a 2.6x difference.
New
The latest blog posts to take off on Hacker News. 1,423 posts.
1382
This game is a single 13 KiB file that runs on Windows, Linux and in the Browser
Not that long ago I became aware of Justine Tunney's cosmopolitan libc project. It's a toolkit that allows you to compile C source code into a single binary...
1383
The next two years of software engineering
Exploring five critical questions shaping software engineering through 2026, with contrasting scenarios for each. These lenses help prepare for the evolving ...
1384
HTML-only conditional lazy loading (via preload and media)
The accepted practice is to not add lazy-loading to images above the fold, especially the LCP image, since doing so can delay their loading until the browser has determined they are definitely in the viewport. One problem though is that "above the fold" depends on screen size: an image can be above the fold on desktop…
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Is Rust faster than C?
Someone on Reddit recently asked: What would make a Rust implementation of something faster than a C implementation, all things being the same? I think this is…
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Finding and fixing Ghostty's largest memory leak
A few months ago, users started reporting that Ghostty was consuming absurd amounts of memory, with one user reporting 37 GB after 10 days of uptime. Today, I'm happy to say the fix has been found and merged . This post is an overview of what caused the leak, a look at some of Ghostty's internals, and some brief…
1387
Generate QR Codes with Pure SQL in PostgreSQL
As my cat woke me up way too early for a Saturday morning, I decided to put all this extra time (and my ChatGPT Pro subscription) into good use and generated a QR-code generator for PostgreSQL, written as a single pure SQL statement. No external libraries or Postgres extension installation needed! The pqr.sql example…
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Oh My Zsh adds bloat
Why you might not need Oh My Zsh for your Zsh configuration.
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You are not required to close your <p>, <li>, <img>, or <br> tags in HTML
Debunking an alarmingly common HTML misconception.
1390
Handling secrets (somewhat) securely in shells
Sometimes, you need to deal with secrets in an interactive shell. Say, for example, you want to do things with the API of a GitLab instance for which you require authentication:
1391
How to store a chess position in 26 bytes (2022)
Made in Notion, the connected workspace where AI agents and teams organize docs, projects and knowledge together.
1392
C++ std::move doesn't move anything: A deep dive into Value Categories
Why std::move is just a cast, how it kills RVO if used wrong, and the mechanics of ownership transfer.
1393
How to code Claude Code in 200 lines of code
The core of tools like Claude Code, Cursor, and Warp isn't magic. It's about 200 lines of straightforward Python. Let's build one from scratch.
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ASCII-Driven Development
~15 years ago, we had Balsamiq Mockups (2008). Deliberately sketchy. Intentionally low-fidelity. The comic-sans-looking wireframes were a…
1396
Go.sum is not a lockfile
In Go, go.mod acts as both manifest and lockfile. There is never a reason to look at go.sum.
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Git Rebase for the Terrified
As a maintainer of several OneBusAway projects, I regularly ask contributors to rebase their branches before merging. The response is often hesitation or…
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Building voice agents with Nvidia open models
Build an ultra-low-latency voice agent with NVIDIA open models. Learn how Nemotron Speech ASR achieves sub-25ms transcription, how Nemotron 3 Nano LLM and Magpie TTS work together, and how to optimize architecture for real-time voice AI deployment.
1400
Many hells of WebDAV
Standards are great, until they aren't
1401
We might have been slower to abandon StackOverflow if it wasn't a toxic hellhole
What the **** does that mean?
1402
“Stop Designing Languages. Write Libraries Instead” (2016)
I had a friend tell me recently that all programming languages seem very similar to each other. They all have variables, and arrays, a few loop constructs, functions, and some arithmetic constructs. Sure, some languages have fancier features like first-class functions or coroutines, but he doesn't consider himself an…
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Opus 4.5 is not the normal AI agent experience that I have had thus far
Three months ago I would have dismissed claims that AI could replace developers. Today, after using Claude Opus 4.5, I believe AI coding agents can absolutely replace developers.
1405
Why is the Gmail app 700 MB?
The current state of app bloat.
1406
C Is Best (2025)
Since its inception on 2000-05-29, SQLite has been implemented in generic C. C was and continues to be the best language for implementing a software library like SQLite. There are no plans to recode SQLite in any other programming language at this time.
1407
Brave overhauled its Rust adblock engine with FlatBuffers, cutting memory 75%
Brave has overhauled its Rust-based adblock engine to reduce memory consumption by 75%, bringing better battery life and smoother multitasking to all users.
1408
So, you want to chunk really fast?
How we built memchunk - a blazing fast text chunking library using SIMD and memchr for RAG pipelines
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Dealing with abandonware (2024)
reverse engineering, abandonware
1410
I switched from VSCode to Zed
For many years VSCode has been my day-to-day IDE for everything: Python, Go, C, occasional frontend development, and what not. It was never...