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Niels Swimburger.NET 🍔

@swimburger.bsky.social
709 followers 215 following 58 posts

🇧🇪🍟🇺🇸 Software Engineer @buildwithfern and swimburger.net. Former Microsoft MVP focusing on C# .NET.

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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 04/03/2026
I gave my Blazor based ncrontab testing tool a facelift ncrontab.swimburger.net #dotnet #csharp #blazor #aspnet
ncrontab.swimburger.net
NCrontab Expression Tester Evaluator
Use the NCrontab Expression Tester tool to test out your NCrontab/CRON expression and see the DateTimes of your occurrences.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 03/03/2026
I updated my Blazor based de/compression tool with support for gzip, brotli, deflate, zlib, and zstd. #dotnet #csharp #blazor gzip.swimburger.net
gzip.swimburger.net
GZIP decompress/compress files from your browser
Use this online GZIP tool to compress and decompress files right in the browser
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 08/01/2026
𝗙𝗲𝗿𝗻 𝗵𝗮𝘀 𝗷𝗼𝗶𝗻𝗲𝗱 𝗣𝗼𝘀𝘁𝗺𝗮𝗻! A year and 4 months ago, Jack (my labradoodle) and I packed up and moved to NYC to join Fern. He's the best office perk—still waiting on his equity though.
Jack (Labradoodle dog) laying his head on my laptop.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 10/12/2025
"I'm descended from wolves"
Jack, labradoodle with a bow in his hair
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Reposted by Niels Swimburger.NET 🍔
Anthony Simmon @anthonysimmon.com · 30/07/2025
Extract OpenAPI specs from #dotnet web apps automatically. Fail CI checks if the spec isn't synced with #csharp code, validate it against Spectral rules, and catch breaking changes. All handled at build time by a single NuGet package made at Workleap. medium.com/p/8a535d813244
medium.com
How we enforce web API standards and guidelines at Workleap
We automate API specs as first class citizens, keeping them versioned, validated, and checked for breaking changes in ASP.NET Core projects.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 16/07/2025
I've been working with JavaScript since the days when browser compatibility was our biggest headache. Supporting IE6 and the original Edge alongside Chrome and Firefox felt challenging at the time. But that was nothing compared to today's reality.
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Reposted by Niels Swimburger.NET 🍔
David Fowler @davidfowl.com · 23/05/2025
Watch @damianedwards.com blow your mind with the demo! youtu.be/98MizuB7i-w #dotnet #csharp
youtu.be
No projects just C# with `dotnet run app.cs` | DEM518
YouTube video by Microsoft Developer
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 22/05/2025
devblogs.microsoft.com/typescript/a...
devblogs.microsoft.com
Announcing TypeScript Native Previews - TypeScript
Previews of the native TypeScript port are now available on npm and for VS Code through the Visual Studio Marketplace!
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 15/05/2025
youtu.be/SC2eSujzrUY?...
youtu.be
How One Company Secretly Poisoned The Planet
YouTube video by Veritasium
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 13/05/2025
I went on holiday for two weeks and I feel like VSCode + Copilot improved a lot in just that little time. It feels a lot smoother and better predictions.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 13/05/2025
New async Zip APIs in .NET 10 preview 4! Fantastic that this gap is bridged :) github.com/dotnet/core/...
github.com
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 12/05/2025
My favorite dev tool this year has been Proxyman. It's a well crafted super useful tool for anyone working with HTTP APIs. Money very well spent! proxyman.com
proxyman.com
Proxyman · Debug, intercept & mock HTTP with Proxyman
Proxyman is a native, high-performance macOS app, which enables developers to capture, inspect, and manipulate HTTP/HTTPS requests/responses with ease. Support iOS and Android Simulator and Physical D...
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 10/04/2025
Want to work on really cool developer facing products? We have a couple of open roles in Brooklyn and you get a proximity bonus for living nearby! The best perk is the support from Chief Barkitect Jack.
Jack (labradoodle) with role Barkitect
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 03/04/2025
BRING BACK DYNAMIC
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 01/04/2025
Anyone using [JsonExtensionData] in .NET that has suggestions here? github.com/dotnet/runti...
github.com
How to create a symmetrical JSON class for reading and writing that is intuitive with [JsonExtensionData]? · Issue #114106 · dotnet/runtime
We're experimenting with how we can provide the most intuitive, developer friendly experience for reading and writing additional properties for OpenAPI and are struggling to use [JsonExtensionData]...
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Reposted by Niels Swimburger.NET 🍔
Fern @fernapi.bsky.social · 21/03/2025
We’re excited to launch Square's .NET SDK today, git.new/1WyYbPA! We sweat over the details so Square doesn't have to — here’s what makes this release stand out: (1/3)
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 21/03/2025
Just shipped Square's .NET SDK: 🔄 Modern C# & .NET with .NET Framework 4.6.2 compatibility 📦 System.Text.Json (no Json.NET) with minimal dependencies ✨ IAsyncEnumerable pagination, discriminated unions & forward-compatible enums 🧪 300+ tests including 88 migrated integration tests
github.com
GitHub - square/square-dotnet-sdk: .NET client library for the Square API
.NET client library for the Square API. Contribute to square/square-dotnet-sdk development by creating an account on GitHub.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 21/03/2025
I'm done with Twilio 🤡
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 07/02/2025
devblogs.microsoft.com/dotnet/dotne...
devblogs.microsoft.com
.NET 9 Networking Improvements - .NET Blog
Introducing new networking features in .NET 9 including HTTP space, HttpClientFactory, security and more!
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 17/01/2025
We're looking for a front-end, back-end, AI, and a deployed engineer at Fern, come work for with an awesome team in Brooklyn NY www.ycombinator.com/companies/fe...
ycombinator.com
Jobs at Fern | Y Combinator
Jobs at Fern
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 06/12/2024
music.youtube.com/watch?v=LKZy...
music.youtube.com
2 soon
YouTube video by keshi - Topic
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 26/11/2024
Is there a way to auto install .NET runtimes I'm going to need based on the .NET project I'm about to run and then install the necessary runtimes in GH actions? The .NET install action is very helpful, but you have to specify the versions yourself. #dotnet #csharp
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 04/11/2024
TLDR: I moved to Brooklyn and joined Fern to ensure .NET developers get the best .NET SDKs possible, idiomatic and performant.
Niels with his dog Jack at the Fern office
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 27/09/2024
If you're a developer trying to adopt a new HTTP and/or WebSocket API, which resources would empower you to be successful quickly, beyond the basics like docs and API references? For example, we just released a Postman collection. Any tools I should look into?
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 20/09/2024
Finally got to write something about .NET again :D www.twilio.com/en-us/blog/t...
twilio.com
Transcribe phone calls in real-time using C# .NET with AssemblyAI and Twilio
Twilio posts cloud communications trends, customer stories, and tips for building scalable voice and SMS applications with Twilio's APIs.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 03/09/2024
We just GA'd the .NET SDK for AssemblyAI! www.assemblyai.com/blog/announc...
assemblyai.com
Introducing the AssemblyAI C# .NET SDK
We are thrilled to release the AssemblyAI C# .NET SDK. Use the SDK to transcribe audio asynchronously or in real-time, use our audio intelligence models, and apply LLMs to your audio data using LeMUR.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 06/08/2024
I just launched a new version of the AssemblyAI app for Zapier. The enhanced app is more flexible, supports more Speech AI features, and integrates more closely into the Zap editor. www.assemblyai.com/blog/updated...
assemblyai.com
Introducing the enhanced AssemblyAI app for Zapier
The enhanced AssemblyAI app for Zapier is more flexible, supports more AssemblyAI features, and integrates more closely into the Zap editor.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 24/06/2024
Just published: Transcribe and generate subtitles for YouTube videos with Node.js www.assemblyai.com/blog/transcr...
assemblyai.com
Transcribe and generate subtitles for YouTube videos with Node.js
Learn how to transcribe YouTube videos and generate SRT subtitles with Node.js and AssemblyAI in this easy-to-follow guide.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 16/03/2024
After recent discussions about C# events and their drawbacks, prototyped a couple of alternative event APIs for a Speech-To-Text library that I'm working on. Please let me know which one you prefer, or better alternatives. 🙇 #dotnet #csharp gist.github.com/Swimburger/6...
gist.github.com
3 options of event implementation for transcriber class
3 options of event implementation for transcriber class - events.md
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 22/01/2024
Which vendor has a good C#/.NET SDK for real-time transcription? #csharp #dotnet
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 20/12/2023
Semantic Kernel V1 has been released and thus we have updated our integration with AssemblyAI to use the new stable release. Try it out! #csharp #dotnet github.com/AssemblyAI/a...
github.com
GitHub - AssemblyAI/assemblyai-semantic-kernel: Transcribe audio using AssemblyAI with Semantic Kern...
Transcribe audio using AssemblyAI with Semantic Kernel plugins. - GitHub - AssemblyAI/assemblyai-semantic-kernel: Transcribe audio using AssemblyAI with Semantic Kernel plugins.
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 06/10/2023
I've been getting into Semantic Kernel and built this cool application AI application with C# .NET that lets you ask questions about .NET Rocks! podcast shows! Check out this demo and I published a step-by-step guide below. #dotnet #csharp youtube.com/shorts/4MMl2...
youtube.com
Use AI to ask questions about .NET Rocks! podcast shows #dotnet #csharp
I've been getting into Semantic Kernel and built this cool application AI application with C# .NET that lets you ask questions about .NET Rocks! podcast show...
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 14/06/2023
I love Twilio and I love supporting the .NET x Twilio community. That's why it was very hard to make this decision, but I'm leaving Twilio to pursue a new opportunity. #dotnet #twilio
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 23/05/2023
I'm a newb when it comes to AI, ML, and LLMs, so this article was very helpful to explain many of the concepts involved. www.assemblyai.com/blog/the-full-st…
assemblyai.com
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 15/05/2023
Azure OpenAI service is quite interesting. The same OpenAI models but hosted in your subscription. Learn how to use Azure OpenAI with Twilio to build an SMS bot on ASP.NET Core. #dotnet #aspnet #csharp www.twilio.com/blog/build-a-chatgpt…
twilio.com
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Niels Swimburger.NET 🍔 @swimburger.bsky.social · 15/05/2023
Mark Heath shows us how to receive audio data from a Twilio phone call, how to change the audio format, and transcribe it to text in real-time using Vosk and ASP .NET Core #csharp #aspnet #dotnet Transcribe phone calls in real time with Twilio, Vosk, and ASP.NET Core
twilio.com
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