Marnix van Valen's Avatar

Marnix van Valen

@alanta.nl

Architect & consultant, dotnet enthusiast, blogger, maker and, most importantly, dad.

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12.05.2023
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Latest posts by Marnix van Valen @alanta.nl

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De ANWB geeft automobilisten vandaag een waarschuwing Meppel te vermijden. Mensen die toch in Meppel moeten zijn, kunnen beter thuisblijven. Volgens de ANWB zijn er geen files rond Meppel, maar is er ook geen enkele reden om er naartoe te rijden.

14.02.2026 10:05 ๐Ÿ‘ 100 ๐Ÿ” 16 ๐Ÿ’ฌ 5 ๐Ÿ“Œ 0
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From Spec-Driven Development to Feature Plan Development Spec-driven development felt like overkill. Vibe coding felt like chaos. Feature plan development is the middle ground I've open-sourced.

From Spec-Driven Development to Feature Plan Development | by Richard Woollcott

23.12.2025 14:00 ๐Ÿ‘ 0 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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An Interactive Guide to SVG Paths โ€ข Josh W. Comeau SVG gives us many different primitives to work with, but by far the most powerful is the <path> element. Unfortunately, itโ€™s also the most inscrutable, with its compact Regex-style syntax. In this tut...

Care and attention to detail is such a rare trait these days ... www.joshwcomeau.com/svg/interact...

06.11.2025 22:46 ๐Ÿ‘ 7 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Ghost local development instructions. The local development url is localhost 2368

Ghost local development instructions. The local development url is localhost 2368

TV showing the Ghostbusters ad within the movie, with the phone number 555-2368

TV showing the Ghostbusters ad within the movie, with the phone number 555-2368

Seems seasonally appropriate to reshare this @ghost.org easter egg

25.10.2025 11:23 ๐Ÿ‘ 113 ๐Ÿ” 13 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Casey Muratori โ€“ The Big OOPs: Anatomy of a Thirty-five-year Mistake โ€“ BSC 2025
Casey Muratori โ€“ The Big OOPs: Anatomy of a Thirty-five-year Mistake โ€“ BSC 2025 YouTube video by Better Software Conference

This is such an interesting talk. Highly recommend if you're into the details software development, with a good splash of digital history youtube.com/watch?v=wo84...

11.10.2025 15:22 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Embed Card for https://isaacl.dev/gtc

Embed Card for https://isaacl.dev/gtc




https://isaacl.dev/gtc

03.10.2025 16:00 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Help us ensure the future of Draaimolen at the MOB-complex - online-petitie With this petition we are making an urgent appeal to everyone who cares about Draaimolen (https://youtu.be/CXuB6JG_0jk?si=vuQM63YXXGrUSbhI). After 2025, the future of Draaimolen is in danger. Our pres...

Draaimolen festival dreigt haar locatie te verliezen. Laat je horen om dit unieke onafhankelijke festival niet verloren te laten gaan!

www.openpetition.eu/nl/petition/...

02.09.2025 12:44 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
AI gegenereerde image op basis van een bekend merk van kookproducten. "Een beetje van jezelf, een beetje van AI"

AI gegenereerde image op basis van een bekend merk van kookproducten. "Een beetje van jezelf, een beetje van AI"

06.06.2025 10:00 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Deploy to Azure Static Web App with only the name Ever heard of Azure Static Web Apps? It combines a single page app (Angular/React/?) with Azure Functions, and manages it all for you. The deployment is a breeze, as long as you have the deployment to...

Fetch the deployment token for an Azure Static Web app in the pipeline.
Just what I was looking for. Thanks @svrooij.io

svrooij.io/2022/05/05/d...

16.05.2025 14:11 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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PostgreSQL JSONB - Powerful Storage for Semi-Structured Data Object-oriented or relational? Why not both? Let's look on PostgreSQL JSONB column type and how it can help you to deliver your applications faster. We dived into how it's stored, when and why it can ...

I finally wrote an intro about how JSONB works, check it, tell me how you liked it and share with your friends!

And most importantly, play with it on your own ๐Ÿ˜Š

www.architecture-weekly.com/p/postgresql...

5/5

21.04.2025 08:32 ๐Ÿ‘ 6 ๐Ÿ” 5 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

I've been eyeing a 3D printer for years, but by now it's so cheap to just order prints online that I probably never will buy one. Saves me a ton of space and crap that comes along with a 3D printer, not to mention the plastic fumes.

04.04.2025 17:50 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Breaching our Non-Disclosure Agreement at the Microsoft MVP Summit
Breaching our Non-Disclosure Agreement at the Microsoft MVP Summit YouTube video by Eduard Keilholz

Breaching our Non-Disclosure Agreement at the Microsoft MVP Summit?
Last week, at the #MVPSummit in #Redmond, @roelant.info and I tried to pull information out of true leaders like @markrussinovich.bsky.social, @csharpfritz.com, @davidfowl.com, @maddymontaquila.net, and Amy Boyd
youtu.be/97K5vU5txAY

02.04.2025 14:21 ๐Ÿ‘ 14 ๐Ÿ” 5 ๐Ÿ’ฌ 5 ๐Ÿ“Œ 1

I totally took the bait and got a good laugh out of it ๐Ÿ˜

02.04.2025 15:33 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I really tried but could not get the book to work with Calibre, spent the best part of an hour on it and finally decided to search for the PDF online. That took about 3 minutes...

28.03.2025 19:06 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Copilot seems to be half decent at writing PowerShell, which actually makes PowerShell useful for me ๐Ÿ˜†

28.03.2025 15:58 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Wow, DRM e-books are a total shitshow. Opening a 400 page e-book on a high-end laptop in Adobe Digital Editions is just.... horrible. Flipping through pages is slooow and the book looks like shit.

28.03.2025 12:20 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Export as Bicep is fully available today! ๐Ÿ’ช

Test it out yourself in the portal, instructions can be found here: learn.microsoft.com/en-us/azure/...

19.03.2025 18:50 ๐Ÿ‘ 26 ๐Ÿ” 15 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Homepage | European Alternatives We help you find European alternatives for digital service and products, like cloud services and SaaS products.

Interesting reflection from several local coder communities and social media is what this site is shared frequently last couple of days, short term this is likely not changing much, but it could be planting seeds in an way unthinkable just weeks ago.

european-alternatives.eu

03.03.2025 19:42 ๐Ÿ‘ 7 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

That looks like an interesting session for @dotnetfriday.nl #nudge #wink

27.02.2025 16:29 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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The Best Experience The best experience you can get as a developer doesn't come from a tutorial. #experience #developer #resume TikTok video by iamtimcorey

Nice job @iamtimcorey.bsky.social

www.tiktok.com/t/ZP8YTY4KT/

27.02.2025 04:11 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Hey .NET devs! Are you following @dot.net here on Bluesky already? If not, what are you waiting for?

22.02.2025 01:48 ๐Ÿ‘ 87 ๐Ÿ” 45 ๐Ÿ’ฌ 17 ๐Ÿ“Œ 1

#Azure naming conventions in some organizations are beginning to look like CSS class names in front-end development. So many characters to denote simple things ๐Ÿ˜Ÿ

20.02.2025 15:31 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Terence Tao on how we measure the cosmos | Part 1
Terence Tao on how we measure the cosmos | Part 1 YouTube video by 3Blue1Brown

New video! Terence Tao on how we measure the cosmos: youtu.be/YdOXS_9_P4U

08.02.2025 13:46 ๐Ÿ‘ 442 ๐Ÿ” 81 ๐Ÿ’ฌ 23 ๐Ÿ“Œ 24
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Code injection attacks using publicly disclosed ASP. NET machine keys Microsoft Threat Intelligence observed limited activity by an unattributed threat actor using a publicly available, static ASP.NET machine key to inject malicious code and deliver the Godzilla post-ex...
06.02.2025 18:12 ๐Ÿ‘ 22 ๐Ÿ” 12 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1

Maybe your browsers cache is messing with it? Have you tried disabling cache in the browser tools?

31.01.2025 12:17 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Executing Time-Scheduled Tasks in Azure Container Apps with the Dapr Scheduler In modern cloud-native applications, scheduling tasks to run at specific times or intervals is a common requirement. Whether sending out daily reports, cleaning up stale data, or triggering background...

Ever wanted to -just- have a #repeating background #job in your APIs? Me too, and I'm somewhat sceptic about introducing another external library. Luckily, .NET #Aspire, Azure #Container #Apps and #Dapr make scheduling tasks a breeze, here is how: hexmaster.nl/posts/schedu...

29.01.2025 10:47 ๐Ÿ‘ 3 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Of all the code-driven (gherkin is worse) testing styles I see in C#, this is my most hated.

๐Ÿคฎ Relies on hidden implicit class scoped state
๐Ÿ˜ญMutates it from function to function
๐ŸคObscures what is actually being verified

All to bury some pseudo-natural-language with underscores.

1/10.

26.01.2025 20:11 ๐Ÿ‘ 8 ๐Ÿ” 2 ๐Ÿ’ฌ 4 ๐Ÿ“Œ 0

dotnet watch support for Aspire is coming in the next version of the .NET SDK (9.0.200). We rewrote the whole thing ๐Ÿ˜….

This should improve scenarios where you need to change individual projects without restarting the entire app host.

#dotnet #aspire

18.01.2025 20:39 ๐Ÿ‘ 92 ๐Ÿ” 15 ๐Ÿ’ฌ 5 ๐Ÿ“Œ 1
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Onto our second session of the evening with @florianvandillen.nl from @4dotnet.bsky.social! ๐Ÿš€ He's sharing his experience on 'Creating a distributed local development environment with #Dapr and .NET #Aspire.' Great energy and discussions as we dive deeper into Dapr!

08.01.2025 19:19 ๐Ÿ‘ 3 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Screenshot of a hex editor with a PE file open, on the left there's a tree with the headers, sections and other parts of the file format. On the right there's a typical table of bytes in hex.

Screenshot of a hex editor with a PE file open, on the left there's a tree with the headers, sections and other parts of the file format. On the right there's a typical table of bytes in hex.

Finally had time over the holidays to realize a long-standing dream of mine: a hex editor that knows about the PE file and .NET metadata format. You can click any byte and it will show you which data structure it is in the tree. Every byte is covered.

The parser is at github.com/KirillOsenko...

29.12.2024 20:08 ๐Ÿ‘ 242 ๐Ÿ” 65 ๐Ÿ’ฌ 8 ๐Ÿ“Œ 2