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Quantifying pass-by-value overhead
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Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,747 posts.
1532
Sparrow, a modern C++ implementation of the Apache Arrow columnar format
A Modern C++ Implementation of the Apache Arrow Columnar Format
1533
A Complete Guide to Meta Prompting
Check out our deep dive on the latest meta prompting methods, like DSPy and TEXTGRAD, and the best prompt generator tools out there.
1534
Copy-and-Patch: A Copy-and-Patch Tutorial
If you can ctrl-c and ctrl-v, you can build a JIT.
1535
Lossless Float Image Compression
Back in 2021 I looked at OpenEXR lossless compression options (and I think my findings led a change of the default zip compression level , as well as change of the compression library from zlib to libdeflate . Yay blogging about things!) . Then in 2023 I looked at losslessly compressing a bunch of floating point data…
1536
Grease: An Open-Source Tool for Uncovering Hidden Vulnerabilities in Binary Code
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1537
Matrix Core Programming on AMD GPUs
In this blog post, we walk through how to use Matrix Cores in HIP kernels, with a focus on low-precision data types such as FP16, FP8, and FP4, as well as the new family of Matrix Core instructions with exponent block scaling introduced in the AMD CDNA™4 architecture. Through code examples and illustrations, we…
1538
My takeaways from DjangoCon EU 2025
Here are some of the most interesting things I learned at DjangoCon EU 2025 in Dublin, Ireland, partially written with the help of AI: link to talks
1539
You can't git clone a team
Mastering the full stack isn’t just a technical feat: it’s a human challenge, and no, you can’t git clone your way out of it.
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How to Obsessively Tune WezTerm
An extremely detailed guide on how to configure WezTerm
1542
The importance of offtopic
My first big job in the industry had me as one of two people in Warsaw, with the rest of the team in Oslo. I’ve never seen any of my Norwegian co-workers at that point, but one the first pieces of direct feedback I got from my manager was: “the teammembers like you; they feel like you’re part of the team.”
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Mapping latitude and longitude to country, state, or city
I made a library that takes GPS coordinates and gives you the state.
1545
A swashbuckling tale of Italian software piracy – 1983-1993 (2022)
The history of Italian software piracy from 1983 to 1993, retail shops & national distribution: how cracked games were sold as legitimate.
1546
Marching Events: What does iCalendar have to do with ray marching?
... and why signed distance functions are cool!
1547
Lessons from Mixing Rust and Java: Fast, Safe, and Practical
This article provides a hands-on guide to integrating Rust and Java through the Java Native Interface (JNI).
1548
Deterministic multithreading is hard (2024)
Hello, While a lot of time of 2.0 development has been spent on new features and quality of life, we still take care of the smaller details and technical improvements.
1549
I Prefer RST to Markdown (2024)
I will never stop dying on this hill
1550
Generic Containers in C: Safe Division Using Maybe
Martin Uecker, 2025-08-10 I discuss the implementation of type and bounds safe generic containers in C. Previously, I discussed a span type , bounds checking using arrays . and a a vector type . This time, I will discuss maybe inspired by Haskell. This type can used to return a value that may not exist, e.g. because…
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Django 6.0 beta 1 released
Posted by Natalia Bidart on Oct. 22, 2025
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10 Years of Betting on Rust
I wrote my first line of Rust in June 2015, a month after Rust 1.0 landed. Coming from C, Python, and JavaScript, I never looked back. Two Rust-based startups and 500k lines of Rust later, here are some reflections on the milestone.
1554
Let's write a macro in Rust
Macros are required to do some very helpful things in Rust, but this isn't an article about any of those things.
1555
Implicit ODE solvers are not universally more robust than explicit ODE solvers
A very common adage in ODE solvers is that if you run into trouble with an explicit method, usually some explicit Runge-Kutta method like RK4, then you should try an implicit method. Implicit methods, because they are doing more work, solving an implicit system via a Newton method having “better” stability, should be…
1556
Why Rust nextest is process-per-test
Why nextest runs each test in its own process: a game-theoretic view.
1557
Writing our own cheat engine (2021)
First entry on completing Cheat Engine's tutorial without Cheat Engine
1558
Reverse engineering Claude Code
I’ve been curious about what happens inside Claude Code so I’ve spent a couple hours digging through prompts that it sends back to Anthropic.
1559
The Tabs vs. Spaces war is over, and spaces have emerged victorious
The great indentation war is over and it seems like we have a clear winner.
1560
Dead Framework Theory
These are my opinions and are ruminations on what might be happening as more and more developers use LLMs and Frameworks to build on the web. In October last year I wrote “will developers care …