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Type information for faster Python C extensions
Update: The paper version of this post is accepted at PLDI SOAP 2024. Take a look at the preprint (PDF).
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The latest blog posts to take off on Hacker News. 1,535 posts.
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Dynamic programming is not black magic
This year’s Advent of Code has been brutal (compare the stats of 2023 with that of 2022, especially day 1 part 1 vs. day 1 part 2). It included a problem to solve with dynamic programming as soon as day 12, which discouraged some people I know. This specific problem was particularly gnarly for Advent […]
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Introduction to GPU Programming in Chapel
This post gives a beginner’s introduction to Chapel’s GPU programming features
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A decade-old Steam bug
Valve has shown to occasionally not act on community feedback and bug reports. A story about a decade old bug.
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Hidden Changes in GPT-4, Uncovered
The tool instructions in this article are not up to date as of 2024-01-12, see this post to learn more about the new tool OpenAI added to block conversations about U.S. elections using function calls.
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The current state of OpenTelemetry
OpenTelemetry round for 2023 and what to expect in 2024
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CLI user experience case study
Topiary’s journey to a modern, user-friendly CLI experience.
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Doing First Grade Math in Rust's Type System
MIT student who enjoys performance engineering, compilers, and creating unconventional code
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Keycloak open redirect: wildcard redirect URIs can be exploited to steal tokens
CVE-2023-6927 Keycloak vulnerability allows bypassing redirect URI validation which can be used as a vector for stealing authorization codes, access tokens and be used to redirect victims to arbitrary hosts.
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Postgres Incremental Backup
We walk through the incremental backup feature committed to the Postgres 17 development branch by Robert Haas. We show an example on our local machine.
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A Love Letter to Tinkerable Software
I work in product growth helping people discover and use great software, currently at SurveyMonkey. In the past I've done it at Prismatic (acq. by LinkedIn), Clara Lending (acq. by Sofi), Right Side Up, Hubstaff. I've also enjoyed consulting with interesting companies like DoorDash, Empower, StitchFix, Calm, Dell…
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Generating SVG for the prime knots
How I created a wall poster of knot diagrams.
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Is htmx Just Another JavaScript Framework?
Alexander Petros give a thoughtful exploration of htmx's relationship to traditional JavaScript frameworks, examining how its HTML-first approach and narrow focus on network requests sets it apart. He argues that while htmx exhibits framework-like qualities in how it shapes application architecture, its deep…
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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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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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Conditional Git Configuration
Building on the earlier article on automatically transforming Git URLs, I’m back with another article on a (potentially powerful) feature of Git—the ability to conditionally include Git configuration files. This means you can configure Git to be configured (and behave) differently based on certain conditions, simply…
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Tidy First?
“Software design is preparation for change; change of behavior” Tidy First? is a new book by Kent Beck. It is a short little book, only about 100 pages (and lots of white space on them)…
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"I Contribute to the Windows Kernel. We Are Slower" (2013)
I was explaining on Hacker News why Windows fell behind Linux in terms of operating system kernel performance and innovation. And out of nowhere an anonymous...
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Mathematica 14
Wolfram's Version 14 includes expansive connections to and from LLMs. New learning tools, including courses and books. Plus, functionality advances in math, core language, video objects, trees, finite fields, Knowledgebase, systems engineering, graphics. Astro, biological and chemical computation.
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Missing the Point of WebAssembly
wingolog: article: missing the point of webassembly
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Using Git Offline
Some companies use an isolated network or even the complete lack of a network as a security measure to protect from unauthorized access. Working on these systems can be a struggle but it is still possible, and perhaps even more important, to use a proper version control tool like Git.
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Python 3.13 Gets a JIT
Reviewing the JIT in Python 3.13
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Golden Rules of Interface Design (2013)
I have often been asked to distill the vast corpus of user interface design into a few key principles. While I was reluctant to do this, it turned out to be a good exercise to write “Golden Rules,” that are applicable in most interactive systems. These principles, derived from experience and refined over three…
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Trade-offs between Different CRDTs
🔰If CRDTs are new to you, here are some introductory links. - An interactive intro to CRDTs - An introduction to state-based CRDTs - CRDTs for non-academics - CRDT: The Hard Parts - Readings in CRDTs - crdt.tech What are the trade-offs between different kinds of CRDTs (Conflict-free Replicated
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Mario Maker 2 API
Mario Maker 2 API, created Thursday, February 10, 2022
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Why Aren't We Sieve-Ing?
Long-time readers of this blog will know that I have mixed feelings about caches. One on hand, caching is critical to the performance of systems at every layer, from CPUs to storage to whole distributed architectures. On the other hand, caching being this critical means that designers need to carefully consider what…
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A concrete example of what goes wrong with Apple's docs
Projects and thoughts from James Porter
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Just because you can doesn't mean you should: the <meter> element
A very frustrating brownie recipe illustrates why a semantic element may actally NOT be the right tool for the job.
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Things engineers believe about Web development
I wrote most of this post sometime in 2022 but I think it holds up alright in 2024 so I decided to publish it for posterity. I don’t really like doing posts like this—I’d much rather share some innocuous learnings or tips but it turns out I have opinions too 😓 Sorry! 2024-02-21: I’ve added a few reflections at the end…