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Posts by Peter Stephens

That's home. That's us.

That's home. That's us.

This image of home just came down from the Artemis II crew.

Taken after their translunar injection burn, there are aurorae at top right and lower left, and zodiacal light at lower right.

Credit: NASA/Reid Wiseman

1 week ago 21919 7453 294 1004
Introducing dial9: a flight recorder for Tokio | Tokio - An asynchronous Rust runtime Tokio is a runtime for writing reliable asynchronous applications with Rust. It provides async I/O, networking, scheduling, timers, and more.

This seems pretty cool tokio.rs/blog/2026-03...

3 weeks ago 7 2 0 1

Okay so something that did start to annoy me about all the AI mandates is like

So I am a card-carrying member of the Rust Evangelism Strike Force. You have to learn to not be obnoxious but in general I’m like “write & rewrite it all in Rust and your lives will be better in all these ways” 1/

3 weeks ago 42 10 1 2

CUDA build toolchain is a complicated mess. Where's my seamless cargo to GPU binary rustup command???

1 month ago 0 0 0 0

Same but VEU and VXUS for me.

2 months ago 1 0 0 0

ah!

PSA: chrono is soft-retired

2 months ago 43 6 1 1

I would like the ARMv7 version, please!

4 months ago 1 0 0 0

Used this tip today. Thanks!

5 months ago 1 0 1 0

#rustlang PSA: you probably don't want #[allow(dead_code)], you probably want #[expect(unused)]

6 months ago 142 24 12 4
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did i eat this entire plate of ethiopian? yes, i did.

6 months ago 12030 252 463 102
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There is a vast difference in the architecture of a software-intensive system whose output must always be accurate and precise versus one whose output can just be good enough.

6 months ago 248 50 3 3
Amazonians,

We've reviewed the Presidential Proclamation on H-1B visas that was released today and are actively working to gain greater clarity. Here's what you need to know right now: The proclamation creates a travel restriction starting September 21, 2025, at 12:01 a.m. EDT (9:01 p.m. PDT tomorrow). After this deadline, individuals cannot enter the U.S. on H-1B status without an additional $100,000 payment associated with their petition. Recommended actions for you to take:

If you have H-1B status and are in the U.S.: Stay in the country for now, even if you have travel planned for the immediate future. We will continue to provide updates as more details are available.

Amazonians, We've reviewed the Presidential Proclamation on H-1B visas that was released today and are actively working to gain greater clarity. Here's what you need to know right now: The proclamation creates a travel restriction starting September 21, 2025, at 12:01 a.m. EDT (9:01 p.m. PDT tomorrow). After this deadline, individuals cannot enter the U.S. on H-1B status without an additional $100,000 payment associated with their petition. Recommended actions for you to take: If you have H-1B status and are in the U.S.: Stay in the country for now, even if you have travel planned for the immediate future. We will continue to provide updates as more details are available.

If you have H-4 dependent status: We also recommend you remain in the U.S., though the proclamation doesn't specifically mention H-4 dependents.

If you have H-1B or H-4 status and are outside the U.S.: Try to return before tomorrow's deadline if possible. We realize this is short notice but returning soon is advisable and you should make every effort possible to clear U.S. customs before 12:00 a.m. EDT (9:00 p.m. PDT) on Sunday, September 21, 2025.

At this time, if you have an H1-B or H-4 status and are unable to return before the deadline, we advise that you do not attempt to enter the U.S. until further guidance is provided.

If you have H-4 dependent status: We also recommend you remain in the U.S., though the proclamation doesn't specifically mention H-4 dependents. If you have H-1B or H-4 status and are outside the U.S.: Try to return before tomorrow's deadline if possible. We realize this is short notice but returning soon is advisable and you should make every effort possible to clear U.S. customs before 12:00 a.m. EDT (9:00 p.m. PDT) on Sunday, September 21, 2025. At this time, if you have an H1-B or H-4 status and are unable to return before the deadline, we advise that you do not attempt to enter the U.S. until further guidance is provided.

Leaked memo from Amazon that warns existing H1B holders to avoid travel back into the USA after the September 21st deadline - their lawyers evaluated the new executive order as not just affecting new applications

6 months ago 137 55 8 9

I treat solar+storage as an investment in resiliency. It's not yet a way to reduce operating costs where I live.

7 months ago 1 0 1 0
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Heisenberg on Bohr's occasionally excesssively generous nature. One of the first lessons learnt as a Nature editor about the "fringe" submissions is that this is exactly what will happen if you let it.

8 months ago 353 69 10 20

Especially great when you don't have to function the next day!

8 months ago 1 0 1 0

But doesn't Taiwan pay the tariff? /s

9 months ago 1 0 0 0
How to write Rust in the kernel: part 2 In 2023, Fujita Tomonori wrote a Rust version of the existing driver for the Asix AX88796B em [...]

How to write #rustlang in the kernel: part 2

lwn.net/SubscriberLi...

9 months ago 55 9 1 0

I remember that show!

9 months ago 1 0 0 0
Preview
Spain-Portugal power outage latest: Power cut chaos in Spain and Portugal caused by 'rare' atmospheric phenomenon, says operator Trains, traffic lights, card payments, and phone networks have been hit, as an EU official also rules out a cyber attack as the cause.

Live updates for the power outages in Spain & Portugal: www.bbc.com/news/live/c9...

11 months ago 1 0 0 0

The killer use case for me so far is decoding the error messages that come out of the C++ compiler.

11 months ago 2 0 0 0
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And C# uses `Where`.

11 months ago 0 0 0 0
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😬

11 months ago 3 2 0 0

I was able to dismiss the login content and view the photo. There was limited navigation to adjacent photos but eventually demands were made to login without any way to close.

1 year ago 0 0 0 0

It is in the original Greek!

1 year ago 0 0 0 0

Is this opposites day? (Or maybe that should be opposites decade?)

1 year ago 1 0 0 0

Probably worse this time around as things are so much more interconnected.

1 year ago 0 0 0 0

Vaguely... and wondering how important it is to check the slump on my house foundation project. (Structural engineer has spec'd out slump parameters but I'm guessing most residential concrete contractors skip that step...)

1 year ago 2 0 0 0

Also now, still waiting for my sufficiently large program to compile. At least it's on the order of hours not days.

1 year ago 0 0 0 0
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I'm also on armv7 but got 1GiB of RAM to play with though most of that is used for <redacted>.

1 year ago 1 0 0 0

I work in a constrained device world right now where every byte matters. (Mostly anyway...) Is there any rustc config to help with binary size? (I.e. less aggressive inlining?)

1 year ago 2 0 1 0