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djspiewak.fosstodon.org.ap.brid.gy

@djspiewak.fosstodon.org.ap.brid.gy

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 05/08/2026

Unexpectedly, one of the coolest things about Germany (or at least, Frankfurt) is that everyone has a really awesome bike. Like these are really slick machines with streamlined lightweight frames, precise derailleurs, well-fitted and aligned splash guards, and even hydraulic disk brakes seem […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 24/07/2026

A code of conduct is the HR department of open source. It exists to protect the community and the project maintainers from bad actors, not to protect the actors (bad or otherwise) from the maintainers. Project maintainers are, by definition, accountable through very different mechanisms […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 25/06/2026

Rest in peace, Brandon.

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 27/04/2026

It strikes me as a profound example of GraphQL’s failure as a technology that we’re not using it as the backbone of MCP. Feels like an obviously superior fit, and yet here we are.

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 08/03/2026

After a long and winding waiting room… Cats Effect 3.7.0 has finally been tagged! github.com/typelevel/cats-effect/re… This is a big one because it represents the culmination of all the planning and scheming and hard work to make truly native multithreaded execution […]

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Jakub Kozłowski @kubukoz.mstdn.party.ap.brid.gy · 24/01/2026

New video! Featuring cats-mtl and its relatively recent additions of the allow/rescue mechanism, AKA scoped capabilities. www.youtube.com/watch?v=cTKWpYMciV8

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 02/01/2026

I haven’t gotten yet to any spoken lines in Pluribus, but their transcode settings are already driving me nuts. Was all the mosquitoing possibly a stylistic choice?

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 01/01/2026

After about a decade in PHP vulnerability purgatory, I have finally shaved the yak of extracting my blog contents from MySQL, converting them all to markdown, and building a Laika scaffold around the whole thing so I can host on GitHub Pages. I even managed to keep the old URLs (I hope). Styling […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 28/12/2025

*opens editor instance on worktree untouched for six months* *finds still-unsaved editor buffer with an entirely plausible looking implementation of a very interesting function* *has absolutely no idea why said function would be required for the branch in question*

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 28/11/2025

Random pet peeve: it’s pronounced “en-vidia”, not “neh-vidia”, not “nuh-vidia”, not “nnn-vidia”. Honestly not sure why this bothers me as much as it does, but here you go.

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 04/11/2025

Random annoyance: tech reporters uncritically parroting the "we've proven that the universe isn't a simulation" line. The actual proof relies on definitions of computability which fundamentally assume they are contained *within our universe*. This in turn stems from a misunderstanding of what […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 02/11/2025

Achievement unlocked: I pushed a fish up through an existing wall cavity and caught it in the open box on the receiving side *on the very first try*. My life has officially peaked.

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 02/09/2025

I wrote a long-ish thing about implicit capabilities in the Cats ecosystem and shiny new lightweight support for user-defined (non-Throwable) error types on top of monads like IO: typelevel.org/blog/2025/09/02/custo…

Typelevel | Custom Error Types Using Cats Effect and MTL

Typelevel is an ecosystem of projects and a community of people united to foster an inclusive, welcoming, and safe environment around functional programming in Scala.

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 11/07/2025

One of my coworkers refers to Open Source as “the most incredible thing humanity has ever accomplished.” When he says that, he’s not making a socioeconomic or political statement, nor is he ignoring technical shortcomings. Rather, he is making an observation about how millions of people have […]

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Simon Willison @simon.fedi.simonwillison.net.ap.brid.gy · 04/07/2025

The is diabolical... a Python object that hallucinates method implementations on demand any time you call them, using my LLM Python library github.com/awwaiid/gremllm

from gremllm import Gremllm

# Be sure to tell your gremllm what sort of thing it is
counter = Gremllm('counter')
counter.value = 5
counter.increment()
print(counter.value) # 6?
print(counter.to_roman_numerals()) # VI?

Reposted by @djspiewak.fosstodon.org.ap.brid.gy

Dan Piponi @dpiponi.mathstodon.xyz.ap.brid.gy · 17/06/2025

It feels so 60s to have to type if __name__ == '__main__': main() into every Python program.

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 27/05/2025

Okay this is very cool and anybody who is touching big data should pay attention to how this evolves: ducklake.select/manifesto

ducklake.select

The DuckLake Manifesto: SQL as a Lakehouse Format

DuckLake delivers advanced data lake features without traditional lakehouse complexity by using Parquet files and your SQL database. It’s an open, standalone format from the DuckDB team.

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 19/05/2025

I’ve recently realized that essentially all opinion pieces about the energy/carbon/capital/resource impact of AI invariably spend thousands of words on napkin math figures based on shaky assumptions on how models and data centers work, all to come up with some bottom line number… And then they […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 14/04/2025

I'm relatively certain that the fastest and easiest way to solve captcha these days is to upload the image to ChatGPT and ask it for the answer.

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 07/04/2025

General rule of thumb: If you're going to submit a pull request, at least take the time to compile it and run the tests. I don't care if you used AI or not, but a pull request which trivially fails CI is a waste of everyone's time and resources.

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 31/03/2025

In parallel with finalizing Cats Effect 3.6, we began work on actually porting the multithreaded work-stealing runtime from the JVM to Native, and I'm pleased to say that we finally have a fully building PR! github.com/typelevel/cats-effect/pu… There's still a lot more to do, but […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 23/03/2025

I'm happy to announce the release of Cats Effect 3.6.0! github.com/typelevel/cats-effect/re… This was a gargantuan effort, and as I've previously mentioned (and discuss in the notes), it sets the stage for the future of CE's runtime with a series of almost entirely […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 07/03/2025

Public service announcement: *every* bash script should begin with the following lines. There are no exceptions. This is particularly true if you *think* you have found an exception. You haven't. Don't do it.

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 16/02/2025

The first paragraph of this article basically proves that people don't actually know what "fast" means: www.techrepublic.com/article/tiobe-… The outlier in their thesis is Go, which is not actually a particularly fast language per se. Its static linking results […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 18/01/2025

Some time back, I was having an introductory 1:1 with a new executive we had brought onboard. He were bonding through grousing about various things that were technically wrong with the system, and about halfway through he stopped me and asked, "You're pretty new here, aren't you?” I answered in […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 14/01/2025

This has hit me pretty hard. Brendan and I used to play video games together, chatting almost every day. We saw each other at almost every conference ever. Too many memories to enumerate, but the attached photo comes to mind. This isn't Brendan, this is a […] [Original post on fosstodon.org]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 07/01/2025

I don't normally talk about stuff my employer announces (I work for Nvidia, my opinions are my own, etc etc), but something interesting struck me about the DLSS4 frame generation stuff. Jensen gave the example of computationally rendering 2 million pixels and then inferring 31 million more […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 03/01/2025

For those of you using Cats Effect to do real things, it would really mean a lot if you could take 3.6.0-RC1 for a spin together with Fs2 3.12.0-RC1 (doing them both is important!) sometime over the next week. We made significant under the hood changes and we want to make sure we don't break […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 31/12/2024

Fwiw (probably not much), I wrote an essay trying to describe a lot of Cats Effect's high-level architecture, the general problem space of asynchronous coroutine scheduling, how we (the maintainers within the broader ecosystem) think about these problems, and how we've gone about optimizing for […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 29/12/2024

Look, I really enjoy whitespace sensitive languages, and I generally think braceless syntax looks nice, but holy hell the rules for parsing it are bonkers. Consider: (bar: y) => z bar: y => z foo.bar: x => z Remember the *tooling* has to handle multiple versions of the language, even when the […]

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djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 28/12/2024

So this finally happened. github.com/typelevel/cats-effect/re… It's hard to overstate how vast of an impact this release has on the Cats Effect ecosystem, albeit one which is almost entirely invisible without measurement! This is the first full release of our […]

Original post on fosstodon.org

djspiewak.fosstodon.org.ap.brid.gy @djspiewak.fosstodon.org.ap.brid.gy · 05/12/2024

Pet peeve: People who implement retry with exponential backoff without random jitter. The whole point of the exponential is not to make things slower, it's to geometrically reduce the probability of coincidental multi-request alignment to zero. When you skip […] [Original post on fosstodon.org]