Howard van Rooijen
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hvr.endj.in
Howard van Rooijen
@hvr.endj.in
1.1K followers 640 following 320 posts
Founder @endjin.com Microsoft #MVP for Azure & Developer Technologies. Try to help people and orgs to become the best versions of themselves.
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Reposted by Howard van Rooijen
lukepatrick.dev
It's #rejekts2025 day! Lots to learn 💉⚕️🩻🩺
November 8, 2025 at 2:32 PM
hvr.endj.in
Some Rx .NET News!

github.com/dotnet/react... has been merged and github.com/dotnet/react... is available.

This PR finally closes:
- github.com/dotnet/react... (5 years old)
- github.com/dotnet/react... (3.5 years old)

You can see the rest of the v7.0 milestones here: github.com/dotnet/react...
Rx 7.0 packaging changes by idg10 · Pull Request #2268 · dotnet/reactive
Resolves #1461 Resolves #1745 This moves all of the UI-framework-specific types out of the public API of System.Reactive, and into framework-specific packages: System.Reactive.Windows.Forms System...
github.com
November 8, 2025 at 9:36 AM
hvr.endj.in
Just published the first video from Ian Griffiths about the new C#14 features in .NET 10 - first up, Script Directives (AKA dotnet run program.cs)

youtu.be/WinOQSYxda8

#csharp #dotnet #dotnet10
C#14 New Feature: Script Directives
YouTube video by endjin
youtu.be
November 5, 2025 at 12:25 PM
Reposted by Howard van Rooijen
azureweekly.endj.in
Fake it 'til you make it - generating production quality test data at scale. by @barry_j_a_smart #Data #Analytics endjin.com/what-we-thin...
Fake it 'til you make it - generating production quality test data at scale. | endjin
Explore open source tools & data sources for generating realistic synthetic data, enabling better product design, testing, and secure engineering practices.
endjin.com
October 31, 2025 at 4:20 AM
hvr.endj.in
I really wish more apps would support left-handed users... I'm forever accidentally liking/interacting with things because I scroll with my left thumb. I'm very grateful that @felix.gripe implemented "sinister mode" on spike.news
spike.news - Simple news aggregator
Aggregating the news from around the web every minute
spike.news
October 29, 2025 at 2:58 PM
Reposted by Howard van Rooijen
powerbiweekly.endj.in
Get the newest Power BI Weekly edition - a free newsletter on Power BI, sent to your inbox every Tuesday. powerbiweekly.info?utm_source=b...
Free Power BI Weekly Newsletter.
Distributed every Tuesday. Powered by endjin.
powerbiweekly.info
October 23, 2025 at 2:15 PM
Reposted by Howard van Rooijen
powerbiweekly.endj.in
The #Data Product Canvas: Stop Building #Data Products That Fail by Barry Smart #PowerBI endjin.com/blog/2025/10...
The Data Product Canvas: Stop Building Data Products That Fail | endjin
Turn data initiatives into business success stories with the Data Product Canvas. This practical framework helps teams design data products that deliver real value, avoid common pitfalls, and align with...
endjin.com
October 23, 2025 at 4:25 AM
Reposted by Howard van Rooijen
powerbiweekly.endj.in
AI agents dominated Big Data LDN 2025, but success wasn't about the technology, it was about building foundations first. After tracking five years of evolution, the lesson for CTOs is clear: governance enables innovation at scale.

Barry Smart's write-up & analysis:

endjin.com/blog/2025/10...
Big Data London 2025 | endjin
AI agents dominated Big Data LDN 2025, but the real story wasn't the technology, it was which organisations could actually deploy it successfully. After five years tracking industry evolution through ...
endjin.com
October 9, 2025 at 8:03 AM
hvr.endj.in
An excellent write-up and analysis of the recent Big Data LDN event. Barry poses an excellent question "Where was Microsoft?" and says "if you're not in the room, you're not part of the conversation."

endjin.com/blog/2025/10...
Big Data London 2025 | endjin
AI agents dominated Big Data LDN 2025, but the real story wasn't the technology, it was which organisations could actually deploy it successfully. After five years tracking industry evolution through ...
endjin.com
October 9, 2025 at 7:45 AM
hvr.endj.in
All 3 days of Carmel & Jess' deep dive write up of #FabConEurope 2025 are out:

Day 1:

- Keynote
- Data Factory: What's New and Roadmap
- Power BI Roadmap: Strategy, Vision and Demos
- Unify your Data Estate with OneLake
- What's next for Fabric Data Engineering

endjin.com/blog/2025/09...
endjin.com
October 8, 2025 at 7:11 AM
hvr.endj.in
What an absolute joke Anthropic! A Max 20x account that lasts 2.5 days light use?
October 4, 2025 at 10:34 AM
hvr.endj.in
Rx .NET 6.1 is out!

endjin.com/blog/2025/10...

#dotnet #csharp
Rx.NET v6.1 Now Available | endjin
Rx.NET 6.1 is now available, adding some useful new features.
endjin.com
October 3, 2025 at 7:12 PM
hvr.endj.in
Carmel & Jess went to #FabCon in Vienna a couple of weeks ago. I never get FOMO because endjin-eers always do great write-ups of the sessions they go to. Here's Carmel's blog about Day 1:

endjin.com/blog/2025/09...

#MicrosoftFabric #PowerBI #OneLake #DataFactory #AI
FabCon Vienna 2025: Day 1 | endjin
FabCon is a conference dedicated to everything Microsoft Fabric. Day 1 was mostly focused around the hundreds of new feature announcements.
endjin.com
October 1, 2025 at 1:20 PM
Reposted by Howard van Rooijen
patriksvensson.se
So apparently my client has decided that we should (1) start using Cursor, and (2) show up at the office four days a week.

After more than 6 years there, I’m thinking this might be my cue to eject.

Anyone looking for a coder for a remote gig (or hybrid in Stockholm)?
September 30, 2025 at 8:23 PM
hvr.endj.in
The 4K remaster of Tron Legacy on Disney+ is stunning. The soundtrack on my surround system is 🔥🔥🔥
September 28, 2025 at 9:17 PM
hvr.endj.in
If your job involves #Azure or #AI or any of the Microsoft #Data platforms - it might be worth signing up!
azureweekly.endj.in Azure Weekly @azureweekly.endj.in · Sep 15
Get the latest Azure news every Sunday with the Azure Weekly newsletter. Stay updated on developments and trends in the cloud computing world. azureweekly.info?utm_source=b...
Free Azure Weekly Newsletter. Sign up now!
Distributed every Sunday at 6pm GMT since 2014. Powered by endjin.
azureweekly.info
September 15, 2025 at 7:48 AM
hvr.endj.in
I absolutely love this type of content.
howiehua.bsky.social Howie Hua @howiehua.bsky.social · Sep 14
A good mental math strategy to have: doubling and halving
September 15, 2025 at 6:51 AM
hvr.endj.in
It's #FabCon in Vienna this week. Carmel Eve & Jessica Hill from @endjin.com will be in attendance - say hi if you're there, if not keep an eye on the endjin blog & YouTube channel for more Microsoft Fabric content soon!
September 14, 2025 at 10:27 AM
hvr.endj.in
Two mentions of @endjin.com this week - the 1st was @ythos.bsky.social perf contribution - JsonMarshal.GetRawUtf8PropertyName - to .NET 10 in Stephen Toub's latest epic

devblogs.microsoft.com/dotnet/perfo...
Performance Improvements in .NET 10 - .NET Blog
Take a tour through hundreds of performance improvements in .NET 10.
devblogs.microsoft.com
September 13, 2025 at 7:26 AM
hvr.endj.in
Back from 2 weeks holiday in Devon. First break in 2 years. The past 12 months have been incredibly challenging. Digital Detox FTW. Also managed to double book myself and had to miss Meatopia. Gutted about that: it's my favourite yearly event.
September 6, 2025 at 8:18 AM
Reposted by Howard van Rooijen
isaacrlevin.com
Had a great time chatting with @patriksvensson.se on @coffeeandopensource.com today about all kinds of#tech topics. Video is live on YouTube and podcast is available wherever you find them. Take a look/listen and thanks!

https://www.coffeeandopensource.com/guest/patrik-svensson.html
Embed Card for https://www.coffeeandopensource.com/guest/patrik-svensson.html
August 27, 2025 at 1:04 AM
Reposted by Howard van Rooijen
azureweekly.endj.in
Introducing Wassette: WebAssembly-based tools for AI agents by Yosh Wuyts #Azure opensource.microsoft.com/blog/2025/08...
Introducing Wassette: WebAssembly-based tools for AI agents - Microsoft Open Source Blog
Wassette is a secure, open-source Model Context Protocol server that leverages WebAssembly to provide a trusted execution environment for untrusted tools.
opensource.microsoft.com
August 11, 2025 at 2:15 AM
hvr.endj.in
It's nice to see that viewers feel the same way I do. The content my @endjin.com colleagues produce is the best you'll find on the interwebs.
August 8, 2025 at 5:27 PM
Reposted by Howard van Rooijen
patriksvensson.se
A while back, I created "dotnet make" which will invoke your favourite build tool (cake, fake, make, nuke, csproj, fsproj, proj, sln) by convention, regardless of the current working directory in the repository.

github.com/patriksvenss...
A screenshot of "dotnet make" in action
August 5, 2025 at 11:25 PM
hvr.endj.in
New Talk, including full transcript and links - "Rx.NET Packaging Plan 2025"
endjin.com/what-we-thin...
Rx.NET Packaging Plan 2025 | endjin
Ian Griffiths provides an update on the state of Rx.NET, addressing packaging challenges, the
endjin.com
August 4, 2025 at 5:59 AM