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Reliability, constant work, and a good cup of coffee
Why constant-work patterns make systems more reliable, doing the same predictable work regardless of load to avoid surprising failure modes.
New
The latest blog posts to take off on Hacker News. 1,551 posts.
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Python malware starting to employ anti-debug techniques
First time anti-debug techniques are discovered in PyPI malware. Read how these techniques are implemented, including analysis and tips from JFrog Security Research.
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Common Lisp – Myths and Legends (2002)
Lisp has been supporting the world's most complex applications since 1958. And Lisp has grown a lot since then. So if you or someone you know harbors fears or concerns about Lisp because of something learned in a class or muttered by a friend 20 or 30 years ago, it's time to take a fresh look. In this paper we're…
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A year of building for the terminal
Textual is a TUI framework for Python, inspired by modern web development.
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For Want of a JOIN
Once upon a time, I was on a small team tasked with building a data pipeline. On this team was someone we’ll call Bob, who was fresh out of grad school and hadn’t had much experience with software engineering, and no experience with SQL. As part of this data pipeline, Bob had to combine the data from two tables. JOIN…
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The pocket guide to debugging
New zine: The Pocket Guide to Debugging
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Avoid exception throwing in performance-sensitive code
There are various ways in software to handle error conditions. In C or Go, one returns error code. Other programming languages like C++ or Java prefer to throw exceptions. One benefit of using exceptions is that it keeps your code mostly clean since the error-handling code is often separate. It is debatable whether…
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Nim version 2.0.0 release candidate
The first release candidate for Nim version 2.0 is ready for testing.
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Programming as Play
I often want to program something just for fun without any expectations. But why? Well, a recent scientific paper investigated this idea of programming as play.
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Using ChatGPT to make Bash palatable
Brev.Dev Instances Console
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Dolphin Progress September, October, and November 2022
As we hit the holiday season, our Progress Report might be considered a bit late. A two month report became a three month report as we realized just how much work we had to catch up on. While the usual summer burst of activity didn't come, it seems instead everyone poured their time in throughout the autumn months!…
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WebAssembly: Docker Without Containers
Hands-on exploration of using Docker to run WebAssembly applications.
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Stable Diffusion on AMD RDNA3
A AMD oferece soluções de computação adaptativa e de alto desempenho de liderança para promover IA de data center, PCs com IA, dispositivos de borda inteligentes, jogos e muito mais.
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This year in LLVM
Towards the end of last year, I switched from working on PHP at JetBrains, to working on LLVM at Red Hat. While it was already under discussion beforehand, this catalyzed the creation of the PHP foundation , which now pays multiple people to work on PHP. Special thanks for this go to Roman Pronskiy, who did most of…
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Signed distance functions in 46 lines of Python
A walkthrough of 46 lines of code that render a 3D ASCII donut using signed distance functions.
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Ruby delights built into the language
No Gems Needed
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The APL Source Code (2012)
Thousands of programming languages were invented in the first 50 years of the age of computing. Many of them were similar, and many followed a traditional, evolutionary path from their predecessors. What eventually became APL was first a mathematical notation, not as a computer programming language.
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Why we picked Java
Picking a tech stack for your startup isn’t something to do lightly. It’s a choice that will shape the future in many ways: how will the tech enable your emerging product and business, what talent can you attract, and how future-proof is the tech stack?
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Tencent WeChat is now a GitHub secret scanning partner
GitHub secret scanning protects users by searching repositories for known types of secrets. By identifying and flagging these secrets, our scans help prevent data leaks and fraud. We have partnered…
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Boring Python: Code quality
This is the second in a series of posts I intend to write about how to build, deploy, and manage …
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“Laws” of software estimation for complex work (2021)
Wrong estimates aren’t your fault, but they are definitely your problem
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Implementing ‘strlen’ using SVE
In C, the length of a string in marked by a 0 byte at the end of the string. Thus to determine the length of the string, one must scan it, looking for the 0 byte. Recent ARM processors have a powerful instruction set (SVE) that is well suited for such problems. It allows you … Continue reading Implementing ‘strlen’…
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Astronomical Calculations for Hard SF in Common Lisp
Hard SF worldbuilding with the HYG database, Dijkstra's algorithm, and Lisp.
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Fast memcpy, a system design
When I worked at Google, fleet-wide profiling revealed that 25-35% of all CPU time was spent just moving bytes around: memcpy, strcmp, copying between user and kernel buffers in network and disk I/…
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GCC now includes Modula-2 and Rust. Do they work on OpenBSD?
Two new language frontends have been added to GCC : Modula-2 and Rust . I think this is great news on both accounts: having a Wirth language in GCC fills my childhood heart with joy (though I do wish GNU Pascal can one day be revived and mainlined, as Pascal was the first non- BASIC language I learned). And Rust…
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A few new things in Emacs 29
Everybody with an Emacs blogs raves about Emacs 29 these days. Things like Eglot, tree-sitter, SQL support and the like. Well, this is all nice – more than nice, brilliant! – but let’s not forget a few minor advances which are coming with Emacs 29. Let me mention a few things that I especially like.
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Structuring Clojure applications
Dmitri's blog about programming, Clojure, and software development