MurphyA/hacker-news huggingface dataset:
by iamnothere | 2026-02-26 00:37:07+00:00
The answer is to spread out all forms of production globally, so nations don’t lose their smaller local industries that may be less efficient than foreign alternatives. Foreign trade should fill gaps in local production, not kill local industry.

The mechanisms by which this can be accomplished are antitrust and careful application of trade barriers. The obsession with “free trade” has done damage to countries all across the world in order to benefit a small class connected to multinational industry. The short lived benefits came at a huge cost and countries are only just now seeing this.

Free trade/open borders libertarians have lost influence to nationalists because the former position is antithetical to maintaining a functional society. It’s possible to build “libertarianism in one country,” and the sooner that people wake up to that, the better. The alternative is some form of left or right despotism.
by pibaker | 2026-02-26 00:37:33+00:00
I find Zitron's writing bad and his character questionable but exaggerated accusations like this is why no one takes sexual assault accusations from progressives seriously any more.

You guys spent a decade crying wolf about how everything is literally sexual assault and now you wonder why conservatives are being so successful cracking down on sexual deviance using fabricated accusations. You reap what you sow.
by StephSpanjian | 2026-02-26 00:38:33+00:00
I shelved a project in March 2025 because it cost $360/month to run.

I rebuilt it in January 2026 for $1.12/month.

Same functionality. Better architecture. No vector database.

It's a RAG pipeline — API Gateway → Lambda → Amazon Bedrock → S3 embeddings → in-memory cosine similarity search. It lives on my site and answers questions about my experience and work history in real time, grounded in structured data I built and curated myself.

The interesting parts:
— Why I killed OpenSearch after less than a week
— How in-memory search outperformed a network call at this scale
— The Anthropic/Bedrock access issue I still haven't fully resolved (Llama works fine)
— Why I handcrafted every knowledge base chunk instead of automating it
by jcgrillo | 2026-02-26 00:39:18+00:00
It's been done many times before, quite successfully. The Napier Deltic (3 crankshafts!) and Junkers Jumo are two examples. The Commer Knocker is another (which had only one crankshaft I believe). Two crankshafts makes the engine slightly taller, but not egregiously so.

I'd be curious to know more about the heat problem you've mentioned. Naively, there should be much less waste heat to dispose of due to the fact that the same cylinder volume is doing twice the work.
by mjamil | 2026-02-26 00:39:46+00:00
And, yes, it's a really neat stove... for wealthy people. At an installed cost of ~$8k (more if you're having to replace a standalone oven/cooktop since you need the stand for it), it's competing with lower-end Viking gas ranges that include an oven, and those have an extensive service network that Impulse doesn't (yet) have.
by akoboldfrying | 2026-02-26 00:40:01+00:00
> Fundamentally, this was google's fault for misusing a recovery email for 2FA.

While this would absolutely suck and I sympathise with anyone getting hit by this out of the blue, it's pretty clearly your fault, not Google's. What should they have done? Just permit everyone to avoid upgrading to 2FA indefinitely? That would result in relatively more account hacks overall, for which they would inevitably be roasted in the court of public opinion.
by dirk94018 | 2026-02-26 00:40:18+00:00
Early BSD VM pre-allocated swap backing for every anonymous page — you couldn't allocate virtual memory without a swap slot reserved for it, even if the page was never paged out.

When a process forks, the child needed swap reservations for the parent's entire address space (before exec replaces it). A large process forking temporarily needs double its swap allocation. If your working set is roughly equal to physical RAM, fork alone gets you to 2x.

This was the practical bottleneck people actually hit. Your system had enough RAM, swap wasn't full, but fork() failed because there wasn't enough contiguous swap to reserve. 2x was the number that made fork() stop failing on a reasonably loaded system.

The later overcommit/copy-on-write changes made this less relevant, but the rule of thumb outlived the technical reason. Most people repeating "2x RAM" today are running systems where anonymous pages aren't swap-backed until actually paged out.

Today swap is no longer about extending your address space, it's about giving the kernel room to page out cold anonymous pages so that RAM can be used for disk cache.

A little swap makes the system faster even when you're nowhere near running out of memory, because the kernel can evict pages it hasn't touched in hours and use that RAM for hot file data instead.

The exception is hibernation — you need swap >= RAM for that, which is why Ubuntu's recommendations are higher than RedHat's 20% of RAM.
by Nition | 2026-02-26 00:41:12+00:00
When this was first created, how did people usually navigate back to the previous page? I notice there are no "previous" or "home" links here. Was there a "back" button/key, or would you have to edit the URL directly?

Edit: Answered my own question I think. If you choose the option to browse "using the line-mode browser simulator", you can literally type in "Back" to go back.
by hn_throwaway_99 | 2026-02-26 00:41:41+00:00
Other comments mentioned Texas, but check out the Ercot dashboard: https://www.ercot.com/gridmktinfo/dashboards

Not only did solar and wind provide the vast majority of power during the day today, as I write this comment coal is neck-and-neck with storage as an energy resource - i.e. power that was saved during the day because it was so sunny.

Coal simply makes no economic sense as a power source for electricity generation anymore. Natural gas is still needed as base load for when renewables are insufficient, but in perhaps the "free market ideological capital" of Texas, the trend towards renewables + storage is simply the economic choice.
by quotemstr | 2026-02-26 00:41:55+00:00
It's funny how people think they're disabling swapping just because they don't have a swap file. Where do you think mmap()-ed file pages go? Your machine can still reclaim resident file-backed pages (either by discarding them if they're clear or writing them to their backing file if dirty) and reload them later. That's.... swap.

Instead of achieving responsiveness by disabling swap entirely (which is silly, because everyone has some very cold pages that don't deserve to be stuck in memory), people should mlockall essential processes, adjust the kernel's VM swap propensity, and so on.

Also, I wish we'd just do away with the separation between the anonymous-memory and file-backed memory subsystems entirely. The only special about MAP_ANONYMOUS should be that its backing file is the swap file.
by autoexec | 2026-02-26 00:42:34+00:00
It's always hilarious when a bunch of people in Texas who hate government and government regulations get screwed so hard by the corporations that move in that they start incorporating to form governments so that they can pass government regulation to stop those corporations. See for example Webberville or the efforts to create Mitchell Bend in Hood County. Some people have to learn the hard way. Some never do.

Texas got so sick of Texans trying to protect themselves by creating regulations that they created the Texas Regulatory Consistency Act. It took away the ability of local communities to protect themselves and instead protected the profits of some the state's biggest industry buddies.
by zdragnar | 2026-02-26 00:42:38+00:00
This has been tried a few times. The sticking point has always been twofold

0- this is a massive upfront investment for what amounts to a small time savings (having extra batteries on hand, charging them and the equipment to remove / move / install the heavy units

1- unless manufacturers agree to share a specification, you're tied to a single brand and risk being shut out of replacements when that inevitably goes away because it didn't catch on or got deprecated

2- for individual consumers, the battery is the most expensive component of their vehicle, and trading it for a used one of unspecified origen to save a few minutes instead of charging is not appealing.

Given one and two, overcoming the expense of 0 is not at all economical for many situations. The ones that most need it can't afford it, or could be satisfied with relatively short high voltage charging.
by PaulDavisThe1st | 2026-02-26 00:42:54+00:00
> Even the solar panel market is self defeating. Once there is enough installed power the demand will drop off sharply as the refresh cycle is too long.

If the average panel lifetime is 25 years, and it takes > 25 years to reach "full capacity" (whatever that might mean or whatever level that is at), then by definition there will be a continuous cycle of panel replacement taking place.

It's not as if we get all the PV installed in 12 months and then it lasts for 25 years ...
by bsder | 2026-02-26 00:43:16+00:00
> I don't know anything about that industry but there has to be a way to paint cars in a safe way, right??

There are. They just cost more and take more time.

> But lumping that in with semiconductor fabs, which are extremely toxic

People say this all the time, but semiconductor fabs simply aren't very toxic compared to just about every other industrial manufacturing process. Mostly this is because everything is sealed and sealed and sealed some more.

Yes, they handle stuff like arsenic gas (arsine AsH3), but they really try to reclaim it all. The semiconductor waste stream is often purer than most industrial inputs. Yeah, old plants would just dump crap into the environment. However, for modern semiconductor facilities, it is generally more economic to reprocess your waste than try to purify from primary sources.

Now, PCB manufacturing, on the other hand, is quite terrible or at least it used to be. I don't know if people have sealed and automated that yet.
by quotemstr | 2026-02-26 00:43:46+00:00
TBF, I think overcommit was and remains an ugliness in how we manage memory. I wish we'd solved the fork commit-charge-spike issue by encouraging vfork (and later, posix_spawn) more heavily, not by making the OS lie about the availability of memory.

The ship's long sailed though, so even I run with overcommit enabled and only grumble about what might have been.
by panick21_ | 2026-02-26 00:44:31+00:00
Many more households could afford it then want to afford it. Its just a huge waste of money. Cars are assets that massively deprecate in value and are utilized a extreme minimum of time. They are a horrible investment of large amounts of money.

In the rare cases where you need a second car, you can rent one extremely easily.

> Even if you are poor in the US cars are remarkably accessible. You can finance a used car with no credit and a couple dozen dollars a month.

This partly true but also really ignores a lot of issue that it creates.

The amount of car debt in the US is crazy. Lots of people get cars at absolutely absurd interest rates because their credit is bad and the need a car. Stretching out payment over many, many years. Its extremely predatory.

And then because of the arms race where everybody needs an ever bigger car or get killed, people buy more and more expensive cars all the time.

And of course because of the lack of safety inspections, people driving these really badly maintained crap cars that cause issues for everybody.

And even worse, people are so afraid of being without a car that people rather give up their homes and live in their cars then the other way around. Letting people slip into homelessness because if they want any hope in the future they need a car.

People paying interest on car loans rather then investing in their 401k isn't a great deal for society.

So yeah, my parents could defiantly afford two cars, but very, very rarely did we have 2 cars. And the only in special circumstances where that second car would be shared with some other people as well. Its just bad business and not that useful.
by bonoboTP | 2026-02-26 00:45:18+00:00
I think they are betting that any of this code is transient and not worth too much effort because once Opus 5 is traimed, they can just ask it to refactor and fix everything and improve code quality enough so that things don't fall apart while adding more features, and when opus 5.5 comes out it will be able to clean up after opus 5. And so on. They don't expect these codebase to be long lived and worth the time investment.
by Sohcahtoa82 | 2026-02-26 00:45:27+00:00
None of the answers are satisfying to me, tbh.

I install more RAM so I can swap less. If I have 8 GB, then the 2x rule means I should have a 16 GB swap file, giving me 24 GB of total memory to work with. If I then stumble upon a good deal on RAM and upgrade to 32 GB, then if I never had memory problems with 24 GB, then I should be able to completely disable paging and not have a problem. But instead, the advice would be to increase my paging file to 64 GB!?

It doesn't make any sense. At all.
by asddubs | 2026-02-26 00:46:13+00:00
I'm honestly not even sure if civil political discourse is desirable in times of radical actions being taken by the government. I almost think that's worse than no political discourse.

e: To clarify my point, e.g. you can't calmly disagree with whether or not it's okay to shoot people in streets, that diminishes it as if it was just a slight disagreement
by netsharc | 2026-02-26 00:46:55+00:00
It does reek of corruption, but it seems being ambassador to a close ally is basically getting several years of taxpayer-paid vacation in Europe. They're positions that have to be filled, and a career diplomat ending up in Sweden might even get bored because of the lack of anything to do.

For example ambassadors to Georgia (a country that has tensions with Russia) seem to have "better" credentials: https://en.wikipedia.org/wiki/List_of_ambassadors_of_the_Uni...
by fsckboy | 2026-02-26 00:47:02+00:00
The DX-7 FM synthesis opened the door to a pretty narrow but interesting range of sounds, bells and brass, which people loved and it was a ripsnorting success for a time, but it didn't displace subtractive analog synths and people aren't exactly playing FM synthesizers any more, while they are now heavily back into analog subtractive. of course there are also romplers and samplers etc. and those can achieve sounds that FM did, but it's hard to call the DX-7 any type of be-all end-all.
by tempestn | 2026-02-26 00:47:33+00:00
This is great. I particularly enjoyed this entry in the FAQ about how to find web pages: https://info.cern.ch/hypertext/WWW/FAQ/KeepingTrack.html

> When (s)he has found an overview page which (s)he feels ought to refer to the new data, (s)he can ask the author of that document (who ought to have signed it with a link to his or her mail address) to put in a link.

> By the way, it would be easy in principle for a third party to run over these trees and make indexes of what they find. Its just that noone has done it as far as I know
by jltsiren | 2026-02-26 00:47:37+00:00
> If you have enough density to justify a bus lane, you have enough density to justify a subway.

That assumes a linear city, where everyone lives within a short walking distance of the same street.

In actual cities, bus lines from different neighborhoods converge on main streets. While individual lines may have 10–15 minute intervals, bus traffic on the main streets may be high enough to justify dedicated bus lanes.

Then, as the city grows, it can make sense to replace the bus lanes with light rail and direct bus lines with collector lines connecting to the rail line. Which should be cheap, as a dedicated lane is usually the most expensive part in building light rail.

But you generally want to avoid building subways until you have no other options left. Subway lines tend to be an order of magnitude more expensive than light rail lines. Travel times are also often higher, as the distances between stops are longer and there is more walking involved.
by testing22321 | 2026-02-26 00:47:47+00:00
> That said, don't think I'm like the nuclear power guys of the 50s who claimed that electricity would be so abundant that we wouldn't even bother to meter it

Funny you would say that, Australia is about to have free power for all for a few hours each day. Yep, there really is that much

https://www.energy.gov.au/news/solar-sharer-offer-cut-electr...
by dongforceking | 2026-02-26 00:48:31+00:00
This is adjustable - sorry for UI in French - https://imgur.com/a/Rn046lL

For a password saved from foo.contoso.com:

First option - "Fill anywhere on site" - this means it will fill on foo.contoso.com and bar.contoso.com

Second option - "Fill only on the specified hostname" - will only fill on foo.contoso.com

Third option "Never fill" - written on the tin.
by dirk94018 | 2026-02-26 00:48:41+00:00
Hydrogen has been the future as long as I have been paying attention to electric cars. There are many problems with it, including Hydrogen is the smallest molecule. It leaks through seals, embrittles metals, and has terrible energy density by volume. You either compress it to 700 bar (heavy tanks), liquefy it at -253°C (energy-intensive), or store it in metal hydrides (heavy, slow release). Solid state batteries are much more interesting. They extend EV range to 600-1000 miles and enable 10-minute charging. If they work at scale, they kill hydrogen for cars, trucks, and probably short-haul aviation too.
by jcalloway_dev | 2026-02-26 00:49:18+00:00
The hash chain approach is exactly right — even a simple append-and-sign pattern would catch post-hoc tampering without much overhead. Worth looking at how Sigstore handles this for inspiration.

Good call on visibility-before-enforcement. Alerting built on shaky data models is worse than no alerting.

The SQLite read is clean. Graceful degradation on schema change is the kind of detail that separates "I built this for me" from "I built this to last."

Curious what your rollout looks like — are people self-hosting, or is there a managed path you're considering?
by retired | 2026-02-26 00:49:39+00:00
Point still stands that public transportation is not the default mode. There isn’t a country with the cycling infrastructure of The Netherlands. And The Netherlands only has that cycling infrastructure due to its urban sprawl and low density cities. In most places in Europe you walk to your doctor, supermarket or cafe.

https://www.pbl.nl/en/latest/blog/putting-dutch-urban-sprawl...
by lapcat | 2026-02-26 00:49:50+00:00
> it has cost California both Larry's presence and all the tax revenue it made from him.

1. Google itself isn't moving. I don't think Larry is closely involved anymore, and a move out of state seems to prove that.

2. How much tax revenue did California even make from him? If he doesn't sell stock, then he has no capital gains to tax. That's the whole point of the wealth tax. The ultra-wealthy are infamous for tax avoidance schemes such as rotating loans against their stock to avoid capital gains.
by kllrnohj | 2026-02-26 00:49:53+00:00
That's true, but also requires that companies believe those subsidies will remain in place over ~20-30 years. Assuming US elections remain fair, that's not going to be the case. By contrast solar / wind subsidies are effective since the bulk of their cost is up-front, so you can generally rely on getting full value out of those subsidies.

Subsidies can certainly delay things at this point, but it's hard to see how it'd stop it.
by SR2Z | 2026-02-26 00:50:01+00:00
The point of the Edison motors approach is that you can just drop in a diesel engine - their initial goal is to electrify trucks used for industrial work in Canada by making them series hybrids.

It will work great for them because these trucks are designed to be modular and easily repairable (they are driven hard and WILL break when their owners need them). I would not be surprised at all if it develops into an impromptu standard just because so many eyes are on the system all the time.

Battery swaps are not practical, but the guy you're replying to is making the point that an electric vehicle could be built with a modular, removable power source, and converted between gas/hybrid/battery/hydrogen/natural gas/whatever later in life depending on the needs. That's just not possible with a vehicle which directly connects the powerplant with the wheels - there's too much nonsense like transmissions and differentials to deal with when you do that.

I think it makes a ton of sense for trucks, much less sense for cars.
by Alupis | 2026-02-26 00:50:10+00:00
Every election you have celebrities and wealthy individuals threaten to leave the country, etc. Nearly none of them follow-through, and of the ones that do, many ultimately move back.

Page left California specifically because of the so-called "Billionaire Tax", and is taking with him his family (which will inherit his vast riches), his philanthropy, his non-profits, many jobs, taxes and more. The effect will be generations of lost benefits to California.
by ggm | 2026-02-26 00:50:41+00:00
Oddly, The AI company doing the deals with the US military, and refusing to step over a line on the use of their tech, is the same company which just removed a key word from their mission statement, one which in some ways was a visible statement toward rejection of dangerous use of the tech, and so by removing it looks like a move toward what the military (or their leadership) want.

It's almost like an alternative history with google removing "don't be evil" at precisely the same time as being locked in a debate about .. how evil to be.
by aatayev | 2026-02-26 00:50:46+00:00
I love this tool and even wrote my PhD thesis with it. I find that there is a somewhat large boiler plate component when writing with LaTeX, but with TeXmacs, writing maths just feels easy. It’s easy to set up, and easy to use.

Nowadays I find myself using the Mogan fork as I find it’s a little more stable.

But again, awesome project and would highly recommend people to use, not just as a math writing tool, but simply also as a word processor
by kazinator | 2026-02-26 00:51:07+00:00
> Electric guitars attack hard, decay fast, and don’t sustain like bowed strings or organs.

Since the 1980s, we have had the "Sustainiac": an active circuit installed in the electric guitar along with a "reverse pickup" which is energized in order to excite vibration in the strings.

With this device, at the flip of a switch, you get indefinite sustain on any note on the neck, at any volume, distortion or not --- even if the electric guitar is not plugged into an amplifier at all, and just heard acoustically.

The best implementations of this have a three way harmonic switch. You can choose between excite the fretted (or open) note itself (fundamenta a.k.a first harmonic), an octave above it (second harmonic) or a higher harmonic still.

You can be sustaning the given note, and then at the flip of a switch, it will fade over to the higher harmonic.

YouTube videos of this in action are worth checking out.

Here is one:

https://www.youtube.com/watch?v=LZwPPGsxY6g
by drdaeman | 2026-02-26 00:51:18+00:00
It's a more fundamental issue than those legal oddities of the day. It's whether people have a right to remember, right to share their memories (there must be lots of nuances here), and whether others have a right to be forgotten or deny some or all of such sharing - and how all those play together.

I can't wait for the day brain-machine interfaces will become more advanced and commonplace (so cyborgs become something way more advanced than just limb prosthetics), and hope the day comes fast enough so the true issue is forced before any decisions are made off the ill-informed assumptions.