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Posts by Howard van Rooijen

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Returning to Work After a Career Break: How Remote Work Made It Possible | endjin After years away, I returned to work in the UK. Here's how remote flexibility protected my mental health and made that transition possible!

@endjin.com has been a remote-first company since 2017.

After a few years away travelling around the world, Carmel Eve returned to work in the UK.

Carmel talks about how remote flexibility protected her mental health and made that transition possible.

endjin.com/blog/returni...

3 days ago 2 0 0 0
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AI-assisted coding is four decisions, not one | endjin A simple mental model for making sense of the AI-assisted coding landscape: four layers, four decisions.

Having gone from Cline to Roo Code, to GitHub Copilot, to Claude Code and OpenCode over the past 18 months, Mike Evans-Larah shares his simple mental model for grokking AI-assisted coding:

1. Harness
2. Capabilities
3. Model
4. Provider

endjin.com/blog/ai-assi...

#ai #llms #vibecoding

4 days ago 2 1 0 0

No @azureweekly.endj.in last week - Easter, a family gathering and a dog that's just had surgery meant I've just not had time.

1 week ago 1 0 0 0

I have a 256gb one and whenever I use it, I am amazed, especially as I have USB external HDDs that don't have that capacity!

1 week ago 0 0 0 0

Claude/GiHub Copilot PR review constantly thinks the package needs updating because it's a lower version than Spectre.Console, so a big thumbs up for me

2 weeks ago 2 0 2 0
InSpectraUI Inspect OpenCLI snapshots with a deliberate, bundle-friendly React viewer.

One short Claude Code session later and now this works:

inspectra.kamsker.at/try/#/pkg/De...

3 weeks ago 1 0 0 0

I've done a bit of work with OpenCLI - I've got a tool which generates a MCP server from an OpenCLI spec, and one that generates a OpenCLI spec from any CLI. Was surprised to get an issue against DeadCode - a tool to help AI Agents identify dead code - to improve OpenCLI support for a new visualiser

3 weeks ago 2 0 1 0

Yup. I totally don't understand it.

1 month ago 1 0 0 1
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[Retirement] Flatcar Container Linux for AKS (preview) will retire on 8 June 2026 · Issue #5648 · Azure/AKS Azure Kubernetes Service support for Flatcar Container Linux for AKS (preview) will be retired on 8 June 2026, transition to a supported alternative by that date. Flatcar Container Linux for AKS (p...

Have to say, I'm a little shocked and sad to see this.

github.com/Azure/AKS/is...

1 month ago 0 1 0 0
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From Prompt Engineering to AI Programming: Building Enterprise-Ready Generative AI Solutions | endjin Shift from prompt engineering to AI programming by applying rigorous software engineering principles to your LLM integrations.

We're starting to blog about the approaches we've taken to deliver successful outcomes for AI solutions.

It shouldn't surprise anyone that the same rigorous approaches we take for software & data engineering & data science projects are just as effective for Al scenarios

endjin.com/blog/2026/03...

1 month ago 1 0 0 0
Dungeon Crawler Carl event at the Leicester Square Theatre. View from the stalls, of the stage with Dungeon Crawler Carl on the screen and three empty chairs waiting for Matt Dinniman, Jeff Hays and the host to arrive.

Dungeon Crawler Carl event at the Leicester Square Theatre. View from the stalls, of the stage with Dungeon Crawler Carl on the screen and three empty chairs waiting for Matt Dinniman, Jeff Hays and the host to arrive.

I very much enjoyed the Matt Dinniman & Jeff Hays event last night in London. I did not enjoy having to leave a packed theatre at 23.00 - mid performance - because SWR has decided the last train service is now at 23:35. Nothing like getting mocked from the stage AND by the audience. BYEEEE 👋

1 month ago 3 0 0 0

I keep seeing reviewers saying "War Machine is like Predator" - have none of them seen Battle Los Angeles???

1 month ago 0 0 0 0

He was watching One Piece anime when taking a break from reading!

1 month ago 1 0 1 0

I'm beyond excited that my nephew has developed the reading bug after discovering my collection of Naruto books. He consumed 1.5 in less than 12 hours and asked to take the next 6 volumes home with him "to last him the week".

1 month ago 2 0 1 0

Once I discovered HTMX, the size & complexity of web apps has reduced significantly

1 month ago 1 0 0 0
C# 14 New Feature: Implicit Span Conversions
C# 14 New Feature: Implicit Span Conversions YouTube video by endjin

The joys of the YouTube Algorithm in one comment:

"Wow, that was an awesome explanation. I am shocked it has just 89 views. I liked and subscribed. Great job, thanks a lot"

www.youtube.com/watch?v=C8yG...

1 month ago 1 1 0 0
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Scaling API Ingestion with the Queue-of-Work Pattern | endjin The queue-of-work pattern enables massive parallelism for API ingestion by breaking large jobs into thousands of independent work items processed by concurrent workers. This approach reduced data inge...

📢 New Post from Jon George:

TL;DR: A queue‑of‑work pattern splits large API ingestion jobs into thousands of parallel tasks, cutting runtime from 15 hours to under 2 and providing automatic retries, fault tolerance, and lower cost than traditional orchestrators.

endjin.com/blog/2026/03...

1 month ago 0 1 0 0
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I've seen a couple of his solo shows and they are superb. I once got to spend an afternoon with him in a pub, and interview him for my uni student paper. They say never meet your heroes, but he is the exception. A true great.

1 month ago 1 0 1 0
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After a cracking brekkie at Gail's, we're at The Design Museum - it was one of Waller's favourite places #wallerfest26

1 month ago 0 0 0 0

We're having a good pub lunch (and visiting one of his favourite places - the design museum)

1 month ago 0 0 0 0

We haven't really talked about it, because that would make it real.

1 month ago 0 0 0 0
Paul Waller (AKA crashbangwaller) - endjin's 1st employee and creative powerhouse. Died suddenly on 27th February 2025 from Motor Neurone Disease.

Paul Waller (AKA crashbangwaller) - endjin's 1st employee and creative powerhouse. Died suddenly on 27th February 2025 from Motor Neurone Disease.

Today is #Wallerfest 2026 - where we @endjin.com are coming together to remember & celebrate our beloved colleague, our very first employee, Paul Waller, who died from Motor Neurone Disease 1 year ago today. His passing was sudden and unexpected, and shocked all of us. We miss him every day.

1 month ago 2 1 2 0
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Rx.NET v7 and Futures On .NET Live talk and demos | endjin In a recent On .NET Live stream, Ian Griffiths talked about recent developments in Rx.NET and plans for v7 and future versions. This post explains where to find the demo code for that session.

New Blog from Ian Griffith, covering his Rx .NET v7 talk On .NET Live earlier this week, sharing the source code of his demoes and digging a little deeper into some of the content he shared.

endjin.com/blog/2026/02...

1 month ago 1 0 0 0

Thanks!

1 month ago 0 0 0 0
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Reactive Extensions for .NET - Rx.NET v7 and Futures | endjin Ian Griffiths returns to On .NET Live to demo Rx.NET and walk through the major changes coming to the Reactive Extensions ecosystem in v7.

Ian Griffiths was On .NET Live, talking about Rx .NET v7, System.Linq.Async changes to support the new System.Linq.AsyncEnumerable package in .NET 10, & plans for Rx v8.

Catch up with the hour long session, which includes a number of demos, or read the transcript 👇

endjin.com/what-we-thin...

1 month ago 1 0 1 0
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〰️ HAPPENING TODAY at 9AM PT 〰️
Join us for a walkthrough of Reactive Extensions for .NET (Rx.NET) v7 and learn what’s next in its future plans!
See you LIVE here ➡️ www.youtube.com/watch?v=8OAv...

1 month ago 1 1 0 0

I'll pass on the message to Ian, I don't think he's on here yet. I did have a chat with @chethusk.bsky.social - it feels like the tooling has fallen through the re-org cracks.

2 months ago 1 0 0 0
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T4 templates on modern .NET | endjin T4 is a .NET-based templating language. It used to target just .NET Framework. It is now possible to use modern .NET runtimes, but it requires additional work. This post shows how to get it working.

New Post from Ian Griffiths: getting T4 working on .NET 10 based on our experiences with Rx .NET & Reaqtor (which use a lot of T4 for type generation).

IMHO T4 either needs some love from Microsoft or it needs to be fully open sourced.

#dotnet #csharp #t4

endjin.com/blog/2026/02...

2 months ago 4 1 1 0

In 2088 we might finally get .NET apps ported...

2 months ago 0 0 1 0

Pandoc is a bit of a beast. And it's had a long history. Was impressed they managed to get it working. Hopefully it will inspire others.

2 months ago 0 0 1 0