Hacker News: alexjurkiewicz

New comment by alexjurkiewicz in "Navier-Stokes – Tristan Buckmaster [pdf]"

alexjurkiewicz — Tue, 08 Sep 2026 23:19:33 +0000

> While unlikely, we cannot rule out that de-identified data derived from their usage of our products helped improve our models

This is covering for Tristan saying something like, "Actually, I was using my friend's account for half of this work".

New comment by alexjurkiewicz in "Hyperspace"

alexjurkiewicz — Tue, 11 Aug 2026 05:02:04 +0000

It's four pages below the fold. The fact this is a paid tool is deliberately obscured.

New comment by alexjurkiewicz in "Parsers don't have to be complicated"

alexjurkiewicz — Fri, 07 Aug 2026 09:56:49 +0000

> if (!line.accept('[').isEmpty() ) // [section] header.

Is this really ergonomic?

New comment by alexjurkiewicz in "Zigbee vs. Matter over Thread:Understanding IoT Protocol Performance in Practice"

alexjurkiewicz — Wed, 05 Aug 2026 04:00:49 +0000

Because IOT devices are cheap and networks are ad hoc, flaky connectivity is a likely occurrence. Thread must be reliable in these situations.

New comment by alexjurkiewicz in "Plug-in solar is coming. Plug-in batteries should follow"

alexjurkiewicz — Sun, 02 Aug 2026 03:44:38 +0000

How many houses in Britain have wiring that is less than 800 W away from starting a fire? How many of those houses have the disposable income to buy a plug in battery?

Yes, more electricity means more risk of fire. But 800W batteries do not seem like a major safety issue

New comment by alexjurkiewicz in "Claude Code uses Bun written in Rust now"

alexjurkiewicz — Sun, 19 Jul 2026 11:28:51 +0000

Come on, "not publicly available"? You know how git works right? Each Claude release probably has the HEAD of main compiled as "1.4.0" until there is a real official release.

New comment by alexjurkiewicz in "Rewriting Bun in Rust"

alexjurkiewicz — Thu, 09 Jul 2026 01:55:55 +0000

Paying customers get LTS. Are any paying customers asking for a Zig branch LTS? Or are you expecting open source maintainers to do free work for no particular reason?

New comment by alexjurkiewicz in "When AI Costs More Than the Engineer"

alexjurkiewicz — Mon, 06 Jul 2026 08:05:54 +0000

AI training uses wildly more compute than most companies, who are generally building domain specific CRUD apps.

Compare AI costs per-engineer-salary-dollar, because more expensive engineers probably need more expensive AI.

New comment by alexjurkiewicz in "Raspberry Pi Pico W as USB Wi-Fi Adapter"

alexjurkiewicz — Wed, 24 Jun 2026 09:19:07 +0000

It was Gemini Flash, probably an even faster variant optimised for immediate response on search pages.

New comment by alexjurkiewicz in "The Australian Government to Require SMS/MMS Sender ID Registraion"

alexjurkiewicz — Thu, 18 Jun 2026 08:15:06 +0000

Showing overseas based workers of Microsoft as another company name on caller ID is a phishing risk.

New comment by alexjurkiewicz in "Tesco moving 40k server workloads off VMware amid Broadcom's abusive conduct"

alexjurkiewicz — Thu, 18 Jun 2026 03:04:43 +0000

It might take a large org several years to migrate off core systems like VMWare. If you think the customer is likely to churn within a few years anyway it makes economic sense to hike their fee.

New comment by alexjurkiewicz in "What job interviews taught me about Kubernetes"

alexjurkiewicz — Tue, 16 Jun 2026 08:36:30 +0000

As the article mentions towards the end, AWS EKS, GCP GKE, and other competitors have made k8s setup turnkey. You can deploy a new cluster with all the controllers you mentioned in a single click / Terraform.

New comment by alexjurkiewicz in "What job interviews taught me about Kubernetes"

alexjurkiewicz — Tue, 16 Jun 2026 08:35:23 +0000

AWS ECS and GCP Cloud Run are this. Run a container on abstract compute. But they aren't "without all that complexity" because it turns out all that complexity is required for even simple use-cases. Load balancing with SSl certs, cloud API keys, deployment pipelines, sidecars, etc.

New comment by alexjurkiewicz in "AI agent runs amok in Fedora and elsewhere"

alexjurkiewicz — Thu, 11 Jun 2026 10:55:03 +0000

If the real credentials owner was running the agent, why do it from a new GitHub account?

Someone's bug tracker account was hacked.

New comment by alexjurkiewicz in "Anthropic requires 30 day data retention for Fable and Mythos"

alexjurkiewicz — Thu, 11 Jun 2026 03:20:00 +0000

Firstly, none of this post is the contract people are signing. So it's merely a summary.

Secondly, like all contracts I'm sure there will be exceptions for holding data longer than 30 days with reasonable cause, eg a legal hold.

The C++ Standard Library Has Been Walking Itself Back for Fifteen Years

alexjurkiewicz — Sun, 24 May 2026 04:34:46 +0000

Article URL: https://hftuniversity.com/post/the-c-standard-library-has-been-walking-itself-back-for-fifteen-years-and-the-receipts-are-public

Comments URL: https://news.ycombinator.com/item?id=48254401

Points: 32

# Comments: 21

New comment by alexjurkiewicz in "Postmortem: TanStack NPM supply-chain compromise"

alexjurkiewicz — Tue, 12 May 2026 00:43:28 +0000

NPM is getting all the attacks and attention because it is the biggest. But there's nothing language specific to this class of attacks.

New comment by alexjurkiewicz in "Finding the differences in a series of power supplies"

alexjurkiewicz — Thu, 07 May 2026 02:59:30 +0000

Nice. It would have been interesting to dive into the exact differences in components. Are higher wattage PSUs in a series just using higher rated components or does the quality go up too?

New comment by alexjurkiewicz in "Agent Skills"

alexjurkiewicz — Tue, 05 May 2026 00:43:43 +0000

I agree that many skills are overblown and unnecessary. But there's a lot of value in giving AI the right process. See how much more effective Claude can be for moderate or large changes when using the superpowers skill.

New comment by alexjurkiewicz in "OpenWarp"

alexjurkiewicz — Fri, 01 May 2026 03:09:18 +0000

There can be problems with open source projects run by for-profit companies, but this fork seems a little premature.