Daniel Marbach🇨🇭 (@danielmarbach) profile picture

He / him

Switzerland
Joined January 2011
Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)Photo by Daniel Marbach🇨🇭 (@danielmarbach)
Replying to @danielmarbach
That maintainer question is the useful part. In business code I'd take the more complex version only when a benchmark backs it and the PR links to it. Otherwise the next person simplifies it back without knowing why it was there 😅
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I learned .NET performance by sending PRs to the Azure SDK. The rejected ones taught me the most, because a maintainer would ask: is this complexity worth it? New series on what I picked up, starting with when to bother at all. planetgeek.ch/2026/10/27/why… #dotnet #performance
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Daniel Marbach🇨🇭 retweeted
Replying to @danielmarbach
Absolutely 🙂 And since we've already been talking on LinkedIn, I know we're looking at a similar underlying problem from pretty different architectural angles. Same goal in many ways, different layer and approach. I think that's a good thing.
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Daniel Marbach🇨🇭 retweeted
I tried every harness under the sun and always circle back to @pidotdev. Many offer good features, but it's all or nothing. I can’t cherry-pick what I like. It is less effort to customize Pi, then spend time circumventing workflows that don’t fully match my needs.
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Daniel Marbach🇨🇭 retweeted
Shipped v1.7.0 of dotnet-skills, which now includes: - Comprehensive CsCheck skill for defining model and property-based tests - dotnet Docker SDK best practices - Updates to TestContainer and dotnet-slopwatch skills CsCheck one was necessary because even Opus 5.5 absolutely wrecked itself trying to write decent Specs for model based testing. Install instructions are here: github.com/Aaronontheweb/dot…
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Daniel Marbach🇨🇭 retweeted
If this is not clickbait, I don't what this is. 🙄 Such a waste of energy for humanity, what is wrong with some people 😒
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Daniel Marbach🇨🇭 retweeted
"Guid.CreateVersion7() is NOT a sequential guid for SQL Server" from Bart Wullems #dotnet #sqlserver bartwullems.blogspot.com/202…
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Daniel Marbach🇨🇭 retweeted
And if you are wondering what Pi Durable is all about, I wrote a little piece on it here: earendil.com/posts/pi-durabl… With code examples. How quaint.
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Daniel Marbach🇨🇭 retweeted
GPT 6.1 Sol is now on BridgeBench. OpenAI is calling it "near-Astra intelligence." Our results: 3 points better than GPT 6 Sol. 82 points behind GPT 6 Astra. When a model jumps on the lab's own benchmarks but barely moves on independent ones, that's usually a sign of benchmaxing.
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Daniel Marbach🇨🇭 retweeted
Replying to @KooKiz
a note regarding my tweet: it's not a bug, it's an expected unsafe behavior :-) Luckily, we got rid of all fixed buffers in our code (e.g. github.com/dotnet/runtime/pu… and github.com/dotnet/runtime/pu…)
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My vacation experiment... Makes your AI agent think like the architect everyone rolls their eyes at, until they're right. danielmarbach.github.io/turt… #AgentSkills #aiagent
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Daniel Marbach🇨🇭 retweeted
WSL container is GA today! Check out the new features and see how it's ready to ship in your enterprise. Also yes `wslc compose` is being worked on, and is on our roadmap! blogs.windows.com/windowsdev…
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Daniel Marbach🇨🇭 retweeted
SerializerFoundation v1.0.0 is out! It's the buffer layer behind the outstanding performance of MessagePack for C# v4, specialized per buffer type by the JIT with devirtualized and inlined calls. Useful for any binary protocol, not just serializers. github.com/Cysharp/Serialize…
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Daniel Marbach🇨🇭 retweeted
"Over the coming months, Microsoft Learn will retire most public repositories associated with product documentation" techcommunity.microsoft.com/…
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Daniel Marbach🇨🇭 retweeted
Composa 1.1.0 is out. A Photoshop-style editor for Linux and Windows, in C# on .NET 10, Avalonia and SkiaSharp. New: sliders you drag, scrub or type into, editable Photoshop text on import, PSB and SVG files, and a Photoshop-style color picker. github.com/dvdstelt/Composa/…
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