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Julius Volz

@juliusv.com

πŸš€ Co-founder prometheus.io 🏒 Founder promlabs.com and promcon.io πŸ‘¨πŸΌβ€πŸ« Teaching monitoring with Prometheus: training.promlabs.com

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Latest posts by Julius Volz @juliusv.com

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a man in a suit and tie is clapping his hands in a room . Alt: A man in a suit and tie is clapping his hands in a room. The caption says "NICE".
06.03.2026 20:39 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I'm always happy when the beats start

06.03.2026 19:51 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

The sun is woke

06.03.2026 19:35 πŸ‘ 11 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I pray for DHH for this reason 🀣

06.03.2026 13:28 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Don't get me wrong, I use LLMs all the time, but going from natural language to code feels like a different type of abstraction than going from high-level code to assembly, due to the high degree of indeterminism (literally random numbers involved) and the lack of assurances about the final output.

06.03.2026 11:08 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Looooool the Bari Weiss ending

06.03.2026 10:37 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I think it's fair to be critical of LLMs, but I can't remember the last time I saw Bluesky breaking down, and I use it daily. Maybe it's different for you.

Beyond that, I just feel like you are confirming @knotbin.com's point of definitely blaming LLMs without providing any corroborating details.

06.03.2026 08:56 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Cisco then Google in two days. BIG MO.

06.03.2026 01:24 πŸ‘ 85 πŸ” 9 πŸ’¬ 3 πŸ“Œ 0

AT Protocol's system architecture is also just so much better in terms of big-world scaling support, data ownership, and other concerns.

05.03.2026 22:25 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Haha, that could totally be! πŸ˜…

05.03.2026 20:54 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Yeah, I think TUIs are just "cool". Like giving you cool hacker kid vibes. And I definitely empathize with that. But they are often not the most practical solution.

05.03.2026 20:11 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Misquoting Orwell is the perfect end to her tenure

05.03.2026 19:48 πŸ‘ 2818 πŸ” 435 πŸ’¬ 77 πŸ“Œ 16

Gotta kinda agree tbh. I love the shell for commands, but I've tried TUIs like:

- lazygit
- yazi (file explorer)
- Claude Code

And while they're all cool in a way, they are all just not as nice and easy to use as their graphical equivalents.

05.03.2026 19:53 πŸ‘ 3 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

From a CNN article: "Trump loves watching Mullin on TV, aides said, which played a role in the president’s decision to tap him for the position." πŸ™„

05.03.2026 19:29 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Interesting, good to know. Yeah, I've mostly been using it because GitHub is sponsoring it for me for free as an OSS developer, and it's been working well. Given this info, I'll put more work into trialing Claude Code against it, maybe with the VS Code extension (since I still like checking things).

05.03.2026 17:08 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Subagents in Visual Studio Code Learn how to use context-isolated subagents in VS Code to delegate complex tasks to autonomous agents within your chat session.

Yep, it's routinely spawning sub-agents by itself to go deeper into things: code.visualstudio.com/docs/copilot...

Background agents too, although I haven't used those a lot yet: code.visualstudio.com/docs/copilot...

05.03.2026 16:33 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Blog - Filling in Missing Series in Binary Operator Matching PromLabs - We teach Prometheus-based monitoring and observability

For Prometheus 3.10.0, I built a new PromQL feature: you can now specify default values for missing series in binary operations!

Thanks to @dash0.com for inspiring and sponsoring the development of this feature.

Here's how it works and what you have to watch out for:

promlabs.com/blog/2026/03...

05.03.2026 16:10 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

If the government gets to decide if you have them, they're not human rights.

05.03.2026 15:04 πŸ‘ 3628 πŸ” 872 πŸ’¬ 114 πŸ“Œ 35

Interesting. I just got a free 6-months Claude Max plan, so I will do more comparative trials. But in my very limited comparisons a while ago, I didn't see that much difference in what was produced, just liked the interface more. And very happy since Opus 4.5/4.6. It just works.

05.03.2026 15:49 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I actually prefer VS Code + GH Copilot over Claude Code, since it's so nicely integrated into the UI and all. But maybe I should try the CC extension for VS Code. Or if you don't look at code at all anymore, using just a CLI might be fine too. Curious what sucks about GH Copilot though?

05.03.2026 14:54 πŸ‘ 0 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

It's very hard to change the overall course of AI, especially since it would have to happen on a globally coordinated level, similar to nuclear arms control agreements. But I think it's still worth pursuing things politically. It would help to have democratic adults in charge of today's governments.

05.03.2026 14:34 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Post image

Oh, and a tiny mobile layout bug report:

05.03.2026 14:24 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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We mourn our craft I didn’t ask for this and neither did you. I didn’t ask for a robot to consume every blog post and piece of code I ever wrote and parrot it back so that some hack could make money off o…

I feel similar, still struggling as well with this.

Just saw this post, which felt similar: nolanlawson.com/2026/02/07/w...

05.03.2026 14:23 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1
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Embrace the uncertainty Nobody knows what the future of software engineering looks like, and that's incredibly uncomfortable. But instead of waiting for someone to hand us the answer, I think the move is to embrace the uncer...

100% of my code is written with #AI now.

I didn't plan for that. It just... happened. And honestly? There's grief in it. Years of building coding skills, and now I'm asking myself what they're worth.

But I've also never enjoyed building software more than I do right now.

New blog post!

04.03.2026 22:53 πŸ‘ 100 πŸ” 14 πŸ’¬ 9 πŸ“Œ 3

I'm not an AT Proto expert, but something like this would seem good at least: bsky.app/profile/iame...

I like how Android apps can request extra permissions on the fly when they need them, I wonder if that's doable on atproto without too much effort?

05.03.2026 13:36 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

When you forget to say, "make no mistakes"

05.03.2026 11:00 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Yeah, I think the best the EU can do in this space is to fund OSS development and *maybe* run some infra that integrates via open protocols like atproto with existing platforms, so you can use it without having to rely on its own network being large enough.

05.03.2026 10:57 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I'm skeptical of siloed state-run social media, and I don't think many people would use it.

If they integrated with AT Proto that could make more sense, but then I already don't really need the gov anymore, since it's easy to host your PDS anywhere, build your own feeds, etc. Maybe relay + AppView.

05.03.2026 09:29 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Very cool πŸ‘€ Any chance the permissions can be scoped down to the required ones for freeq? bsky.app/profile/juli...

05.03.2026 08:33 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Bluesky OAuth screenshot saying, "The application is asking to be able to create, update, and delete any data from your repository."

Bluesky OAuth screenshot saying, "The application is asking to be able to create, update, and delete any data from your repository."

Looks cool, but it's asking for way too broad permissions for me to just try out an unknown new service :/ I hope that gets scoped down.

05.03.2026 08:31 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1