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Nix-Powered Development with OCaml
Bootstrapping OCaml projects with Nix
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The latest blog posts to take off on Hacker News. 21,822 posts.
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The Smallest Hash Table
This December I once again did the Advent of Code , in Rust. If you are interested, my solutions are on Github. I wanted to highlight one particular solution to the day 2 problem as it is both optimized completely beyond the point of reason yet contains a useful technique. For simplicity we’re only going to do part 1…
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Phoenix 1.7.0
Phoenix 1.7.0 is here! This releases includes major new features, component-based generators, updated conventions, LiveView Streams, and more!
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RailsCasts Retrospective Part 1: The Fuel
Sixteen years ago to the day, I started RailsCasts, a screencast series teaching web development using Ruby on Rails. It began with free weekly episodes…
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Legacy Software Systems: How to Live with Aging Software Architecture?
Legacy software systems in 2026: why they are still used, myths about legacy and Java, tips from our engineers, and when to upgrade Java.
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Reducing code size in librsvg by removing an unnecessary generic struct
Someone mentioned cargo-bloat the other day and it reminded me that I have been wanting to measure the code size for generic functions in librsvg, and see if there are improvements to be made.
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Finding Java Thread Leaks with JDK Flight Recorder and a Bit of SQL
The other day at work, we had a situation where we suspected a thread leak in one particular service, i.e. code which continuously starts new threads, without taking care of ever stopping them again. …
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Phoenix Dev Blog – Streams
LiveView's new Streams feature is set to be a game changer and yet easy to use at the same time. Chris McCord writes this dev blog post shining a light onto this new feature.
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JEP 430: String Templates (Preview) Proposed to Target Java 21
Enhance the Java programming language with string templates . String templates complement Java's existing string literals and text blocks by coupling literal text with embedded expressions and template processors to produce specialized results. This is a preview language feature and API .
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The EU's new Cyber Resilience Act is about to tell us how to code
First a round of thanks for the many people in industry and government who provided valuable links, background and insights! I could not have done this without your help! If you spot any mistakes, or have suggestions, please do contact me on bert@hubertnet.nl The EU’s new Cyber Resilience Act is admirable in its goal…
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MailCrab
MailCrab is an email test server for development, written entirely in Rust.
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DuckDB: Querying JSON files as if they were tables
We recently improved DuckDB's JSON extension so JSON files can be directly queried as if they were tables.
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Use GNU Emacs
This work by Keith Waclena is copyright 2026 and is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 (CC BY-NC-ND 3.0) license.
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Why Python keeps growing, explained
A deep dive into why more people are using Python than ever, its key use cases, and why it’s still so popular 30-plus years after it was first released.
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A senior engineer's guide to the system design interview
A complete guide for senior engineers on how to prepare for a system design interview.
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All you may need is HTML
Readers occasionally request which static HTML generator is used by fabiensanglard.net , and if they can take the same stylesheet/ fonts to start their own blog. I usually send back the whole 134 lines of gen.php [1] and invite them to copy whatever they need to get started [2] .
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You don't need a build step
The build step helps Node.js/npm run in the browser, optimize end-user performance, etc. But long build times limit productivity. With modern tooling, do we still need a build step?
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Don't let event-driven architecture buzzwords fool you
I see a lot of new terms like Command-Event, Event-Based Compute, etc., presented around Event-Driven Architecture. Let me clear that up because there are no such things…
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Effortless Performance Improvements in C++: std:unordered_map
This is the second post in the series about effortless performance improvements in C++. Check the first post to get the full story!
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Hacking with Style: TrueType VT220 Font (2009)
VT220 TrueType font
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Nix journey part 0: Learning and reference materials
In this series I'll be documenting my journey learning Nix and this first installment is more of a prequel. A common complaint when learning Nix is that the documentation "is not good", and I think what people mean by that is that the documentation is spread across several sources which may or may not be easy to find…
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Service Weaver: A Framework for Writing Distributed Applications
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
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Introducing ChatGPT and Whisper APIs
Developers can now integrate GPT‑3.5 Turbo and Whisper models into their apps and products through our API.
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Advice to Aimless, Excited Programmers (2010)
It's not about technology for its own sake. It's about being able to implement your ideas.
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Bitwise Division
Integer division is expensive. Much more expensive than multiplication. Much, much more expensive than addition. If you’re trying to make some integer operations really fast it’s bad news if you need to do division.
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Tauri Mobile – Develop Mobile Apps with JavaScript and Rust
Studio Terabyte is a full stack web development studio who finds and builds solutions that fit your project