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Posts by Michał Płachta

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Metals v1.6.7 - Osmium | Metals We're happy to announce the release of Metals v1.6.7, which mostly focuses on

New Metals release is out! It includes support for stdio in the Metals MCP server, as well as a new way to decompile class files.

Take a look at the features and bug fixes: scalameta.org/metals/blog...

1 week ago 9 2 0 0

great essay! we're just starting to glimpse (& enable) what's possible by combining:

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| ✨ personal websites ✨ |
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+
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| 🌱 open social web 🌱 |
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from interoperable comments sections & blogrings, to learning networks & creative communities…

3 months ago 46 8 0 1
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AI's Dial-Up Era It is 1995.

What a wonderful and well-researched opinion on the current AI bubble: www.wreflection.com/p/ai-dial-up...

4 months ago 3 0 0 0
comic strip with call and response text. 
who are we? 
CEOs
what do we want? 
AI! 
AI to do what? 
We don't know! 
When do we want it? 
Right now!

comic strip with call and response text. who are we? CEOs what do we want? AI! AI to do what? We don't know! When do we want it? Right now!

every company in 2025

5 months ago 4303 1257 50 72
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Ever wonder why you can't just override #sbt settings in a task? They're immutable, but there's a workaround 👀

Wrote up a quick #TIL on using `Project.extract` to run tasks with custom settings. #Scala
blog.michal.pawlik.dev/posts/til/sb...

6 months ago 1 1 0 0
Are You Tall Enough for This Ride? - Slidev "## Are You Tall Enough for This Ride? Real-world Challenges in Code Generation\n\n[Michał Pawlik](https://michal.pawlik.dev)\n[Jakub Kozłowski](https://kubukoz.com)\n"

Slides from our #ScalaDays talk with @kubukoz.mstdn.party.ap.brid.gy are out! polyvariant.github.io/are-you-tall...
#Scala #Smithy4s

7 months ago 2 2 0 0
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Here's one for all the game devs out there www.bloomberg.com/news/newslet...

7 months ago 2548 439 67 207
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Newtypes and tagged types Newtypes and tagged types. GitHub Gist: instantly share code, notes, and snippets.

Some time ago I made a presentation that wasn't recorded...

But at least some of the points from it could be showcased with this gist

gist.github.com/MateuszKubus...

9 months ago 2 1 0 0
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The future of Chimney · scalalandio chimney · Discussion #762 TL;DR - I intent to develop only what is necessary to keep the library working (when changes in the compiler would make the currently working code make it no-longer working code, like with 3.7-give...

If you're missing some feature in Chimney - contribute it!

github.com/scalalandio/...

9 months ago 3 1 0 1

it is impossible to generate code comments from source code because good comments are definitionally based on things not in the source code (intent, counterfactuals, experiments, etc.)

10 months ago 137 29 6 0
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Fantastic meetup yesterday! Shout out to the organizers and speakers for putting it all together. It was like looking into my CV: first job - Futures, next job - Actors, then monad transformers, and now tagless final. 😂

10 months ago 3 1 0 2

Functional #JVM Meetup in Prague 🇨🇿 was a blast!
It was awesome to meet fellow #functional programmers and discuss #scala over great Czech beer 🍻

10 months ago 2 1 1 0
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Pick your track! As always, we're giving you lots of incredible talks to choose from. But don't worry if some that you're interested in overlap - after the conference you get access to all recorded presentations.

#lambdadays

10 months ago 7 3 0 0
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Talks | Adam Warski: programming articles & videos Architecture, distributed systems, functional programming, event sourcing, developer experience & more.

The slides for both "Virtual Threads, 2 years later" and "What is Functional Programming" are available on my website: warski.org/talks/

10 months ago 1 1 0 0
Laptop with a slide deck

Laptop with a slide deck

Good morning @lambdadays.bsky.social!

Today, together with @michal.pawlik.dev, we will go through the history of Scala: there will monads, transformers, actors, singers and the meaning of being in a startup!

Come coin us in Track 2 @13:30!

10 months ago 6 2 0 0
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🧭 Coming to #Lambda Days?
We’ve got a handy Attendee Guide with local tips: where to eat, drink, chill, and explore in #Krakow!

👉https://ow.ly/P95M50VPxVn

10 months ago 8 4 0 0

🤣 CV driven presentation!

Thanks for attending! We really enjoyed giving the talk to the wonderful crowd in Prague yesterday! Hope to see you soon again! 🇨🇿

10 months ago 4 0 0 0
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Announcing Chimp: build type-safe, boilerplate-less #MCP servers in #Scala using the HTTP transport!

Below is a self-contained, scala-cli runnable example:

10 months ago 10 5 1 1
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Retrying the retry design by Michał Płachta | Scalar Conference 2025
Retrying the retry design by Michał Płachta | Scalar Conference 2025 YouTube video by SoftwareMill

The design is based on what @mplachta.com presented during @scalar-conf.com this year: www.youtube.com/watch?v=RWvT...

10 months ago 1 1 1 0
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Flavours of Scala with @mplachta.com & @michal.pawlik.dev at #LambdaDays! 🌶️

Explore "better Java," #Haskell for humans, and more as they guide you through 2 decades of #Scala evolution. Spice up your coding style! 🔥

📅 12-13 June 2025 in Krakow, Poland!
🎟️ www.lambdadays.org

10 months ago 7 3 0 0

Model Contex Protocol coming soon to Metals for even better #Scala IDE experience.

Give it a try!

1 year ago 2 1 0 0

With our new Scala MCP server we are able to eliminate hallucinations and unproductive guesswork for code that LLMs aren't familiar with by exposing API shapes from the caches of Metals and the Scala compiler.

1 year ago 2 2 1 1
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Two great talks on building languages at #LambdaDays 2025:
Nicolas Rinaudo will show you how to create a programming language from scratch and level up your tools and #DSL. 💻
Zainab Ali will treat docs like code, improving your workflow. #Racket #Elixir #Scala 📝

🎟️ Register here: www.lambdadays.org

1 year ago 3 2 0 0
Noel Welsh: Talks

Just added slides for my talk "Tagless Final for Humans" to my page of talks:

noelwelsh.com/landing/talks/

I gave this talk today at @scalar-conf.com. The core is a new encoding for tagless final in Scala, which makes much better use of Scala's features than the standard encoding.

1 year ago 29 11 1 0
Self-balancing tree called B-tree is a popular way to implement indexing in databases

I had a fantastic time at the conference—connecting with Scala enthusiasts, enjoying great talks, and sharing ideas. Special thanks to the @Softwaremill for an amazing event!

I was honored to speak this year, and I’m sharing my slides here: majk-p.github.io/functor-on-a...

#Scalar2025 #Scala

1 year ago 5 1 0 0
Michał Płachta giving a talk at Scalar 2025

Michał Płachta giving a talk at Scalar 2025

A big screen with a slide titled: Let's talk about design

A big screen with a slide titled: Let's talk about design

Thank you, @scalar-conf.com! I had a blast! Here are the slides for my talk "Retrying the retry design": michalplachta.com/slides/retries

You can find the code (PoC!) at Github: github.com/polyvariant/... ("o rety!" is Polish for "yikes!" 💥)

Blog post and hopefully some PRs coming next week 🤞

1 year ago 4 2 0 0

That was a good one!

1 year ago 2 0 0 0
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Welcome to the 11th edition of #scalarconf

1 year ago 8 2 0 0
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Rustikon Join the first Rust conference in Poland, Rustikon! Be part of something new and vibrant organized by SoftwareMill Team!

Interested in learning more about Rust 🦀 or Scala?

This week, @rustikon.dev and @scalar-conf.com Conferences are happening in Warsaw — both organised by us at @softwaremill.com . It’s a great opportunity to connect, share knowledge, and dive deeper into these technologies.

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1 year ago 6 4 1 0

AI images have an extremely distinctive and very strange distribution of spatial frequencies. They're basically made of zebra stripes at varying scales. Every dark band has a corresponding bright band of the same thickness immediately alongside it

this is actually MORE noticeable at thumbnail size

1 year ago 1235 380 23 14