MurphyA/hacker-news huggingface dataset:
by GuB-42 | 2025-04-23 09:05:32+00:00
A pixel is neither a unit of length nor area, it is like a byte, a unit of information.

Sometimes, it is used as a length or area, omitting a conversion constant, but we do it all the times, the article gives out the mass vs force as an example.

Also worth mentioning that pixels are not always square. For example, the once popular 320x200 resolution have pixels taller than they are wide.
by pjmlp | 2025-04-23 09:05:35+00:00
The same folks that bother for iOS and iPad games, Nintendo Switch and PlayStation.

Most studios aren't religious about APIs like FOSS developers, they create API agnostic engines with plugabble backends and move on with what is relevant for their game IP.

It has been like this since the dawn of computer games being fully written in Assembly across 8 bit snowflakes.
by anenefan | 2025-04-23 09:05:52+00:00
Title: Realistic roles for hydrogen in the future energy transition

Yes for a time back in the 70s into early 80s iirc, hydrogen transmission via pipe lines was the more common mode put forward and industry would use that gas by whatever means. Times have changed, new catalysts and methods means that production costs have come down for creating liquid fuels with more energy density.

The next 40 years will probably see a mix of rechargeable vehicles with those in more remote or wanting to be free of the grid, garage based ammonia based fuel cells. Things could change if the battery market pulls a huge price hike though.
by lebski88 | 2025-04-23 09:08:53+00:00
> a few weeks to get to the point of not wanting to smoke again

That's a shockingly short amount of time for smoking. For me, after a few weeks I'd say some of the worst cravings had passed. But for a good year or two afterwards they'd occasionally come back, albeit briefly. I quit about 15 years ago, but given the right situation I can still feel it.
by blitzar | 2025-04-23 09:08:54+00:00
People are simply mistaking Japan and China.

HackerNews has a heavy US skew. From public statments of holders of the highest offices of their country - "they are all pesants" is the extent of US knowledge about Asia and if they knew what a map was they would point to the region inhabited by only pengins and suggest they should bomb them back into the stone age.
by justin_ | 2025-04-23 09:09:37+00:00
> A Pixel Is Not A Little Square!

> This is an issue that strikes right at the root of correct image (sprite) computing and the ability to correctly integrate (converge) the discrete and the continuous. The little square model is simply incorrect. It harms. It gets in the way. If you find yourself thinking that a pixel is a little square, please read this paper.

> A pixel is a point sample. It exists only at a point. For a color picture, a pixel might actually contain three samples, one for each primary color contributing to the picture at the sampling point. We can still think of this as a point sample of a color. But we cannot think of a pixel as a square—or anything other than a point.

Alvy Ray Smith, 1995 http://alvyray.com/Memos/CG/Microsoft/6_pixel.pdf
by pydry | 2025-04-23 09:09:38+00:00
That was my whole point. These services can all individually be provided by small businesses but there needs to be an overarching organization that links it all together and creates an abstraction people can use that centralizes billing, discovery and links everything together.

The EU government can provide that.

That would not only compete with Microsoft it could harness the power of small business/startup competition for the individual components which Microsoft can't do.

Japanese keiretsu are a good model to follow here. It was a network of small businesses each of whom held shares in related companies, centered around a bank that provided financing. It was responsible for Japan's economic miracle.

China also did something quite similar which is why they are absolutely dominant in electronics manufacturing.

The EU government doesn't appear willing to do anything like this though. I think they'd rather just get sweet talked by SAP into funneling taxpayer cash into their coffers.
by StrLght | 2025-04-23 09:09:52+00:00
How is it arrogant? What should they do instead?

It feels like we're reading different discussions. All I see is Apple engineers addressing every raised concern.

Getting angry at companies for contributing to OSS is not the hill to die on. If it is -- I can't even imagine your feelings towards Intel, AMD, Qualcomm, Google, etc. for their contributions to Linux.
by genewitch | 2025-04-23 09:10:24+00:00
I actively boycott nestle and I didn't know about that 1977 thing. The don't believe water is a fundamental human right. They make so much stuff, it is tiring having to flip all new products over and look for that damn bird.

Also nearly every dog/cat food is nestle as well. Only the livestock feed Purina makes isn't tainted by nestle.

Thank goodness for Smucker.
by vladvasiliu | 2025-04-23 09:10:38+00:00
> I disagree. 12 V is not that much for an adult when you put it on your tongue, but with today's ubiquitous technology in everything, a toddler that puts everything in his mouth, will lead to a lot of distress and fears. I prefer the existing 5V.

But PD not only already has 20V (or 19?) which can do everything 12V can, but I hear there's a new standard for going above 100W, which, presumably, works at an even higher voltage. Not sure how removing 12V specifically helps with the situation you describe.
by lambdas | 2025-04-23 09:11:33+00:00
Yeah, the steam operators raised hell over having to follow the central locking for doors and sealing of windows passengers could stick their head out of.

Wasn’t even prospective, preventative action. There was pretty rash series of decapitations/fatalities in the past decade of people who think sticking their head out of a moving train is risk free that lead to this ruling being made mandatory.

They kicked off claiming it would ruin the ambience, but really it cost a very pretty penny.

They’d do anything to save a few quid; it’s amazing how they used to get cheap oil lube and coal from Russia, and since the war they’ve miraculously been managing to procure the same rates from new companies that have appeared overnight/moved production to sanction-less countries just over the border like Latvia, Lithuania, Kazakhstan etc.
Show HN: AI Try – Demo Directory. Find and Try AI Demos (Free)
by imightbekyle | 2025-04-23 09:11:45+00:00
I kept bookmarking in my browser (or in my head) all sorts of AI demos that you can actually try. So I built this directory to easily find and go to them. Free only.

I added a label to show if they make you login or not.

I also added a Showcase section to promote and show videos from enthusiasts doing their own demos.

If you know of any demos that I am missing, let me know, I'll add it and put you in the showcase or featured section (if you'd like).

Feedback welcome :)
by archi42 | 2025-04-23 09:12:40+00:00
Yes but no: The original device operates in the 868MHz band, which is a ISM band in the EU. However this band isn't availabe for public use in the US (IIRC some mobile phone cells operate in that band) - so the original thermostat is already illegal to sell/buy/use in the US.

If you bought such a thermostat in the US (e.g. at walmart or what-do-I-know), that device would probably operate on 433 or 915 MHz. I think you can legally broadcast on these in the US, much like the OP did [in the UK]. Power limits might be a bit different and such. But IANAL and no US person, so do some research before grabbing a HackRF One ;-)
by nsteel | 2025-04-23 09:13:13+00:00
Elsewhere the author does mention the title might change, this is a work in progress. For what it's worth, the title made sense to me.

> Several books on artificial intelligence (AI) and deep learning (DL) have been published over the past decade. However, I have yet to find a book that explains deep learning from a networking perspective while providing a solid introduction to DL. My goal is to fill this gap by writing a book titled AI for Network Engineers (note that the title name may change during the writing process). Writing about such a complex subject will take time, but I hope to complete and release it within a year.

https://nwktimes.blogspot.com/2024/09/AI4NE.html
by ssl-3 | 2025-04-23 09:13:17+00:00
They already do bulk imports, and they have have been doing it for years.

With their "Standard Choice" shipping, for me where I am, that means that my stuff is sent from New York to me in Ohio with USPS. There's no customs forms attached when it comes my way, nor should there be: I didn't import anything.

How it gets from wherever it started to New York is not my problem -- just as it isn't my problem with the other imported stuff I buy, from any other place that I buy it (whether from Amazon or the bricks-and-mortar store on the corner). They import things in bulk, and the importer pays tariffs as they do so. The cost of them doing this is built into the price that I paid up-front.

The recent non-committal slapstick comedy approach of the current administration does make things hard to predict, but: I predict that a widget that used to cost 50 cents to buy on AE with Standard Choice may end up costing me a dollar or two -- a huge increase as a percentage, but meh. It's not like that 50-cent widget going to suddenly cost fifty bucks or something.

(Now, that said: I have bought inexpensive widgets from China that I imported directly -- sans Standard Choice. But that's different. In these instances, the seller just puts my widget in the mail on their side of the world, and it shows up in the mail on my side of the world -- with a customs form stuck to it. Elimination of de minimis will affect the things that I import in this fashion in a very expensive way because that customs form is going to have an additional price attached to it.)
by ponector | 2025-04-23 09:14:47+00:00
I had a job with an education budget listed as benefits.

However, to use it there are constraints: 1. The topic should be related to technologies used by company. Cannot get a Google cloud certification as they are using aws. 2. To get it you need approval by line manager, hr, and director of the office. 3. If it is more than €250 you need to sign up loyalty agreement for a year. Meaning if you will return some amount of you quit.

With all that strings attached it is just a marketing bullshit to attract new hires.
by doruletzz | 2025-04-23 09:15:35+00:00
Hey!

For the past months I've been building an MVP for my app that's cursor for email and looking to get my first 10 early users.

The project is still in early development, but would love to hear your input on this project.

current features: categorization, auto draft, using llm to edit/add text, auto task creation from email.

under development: keyboard shortcuts, Cursor-like tab navigation, lots of bug-fixes

I'd love to hear what feedback you have, features you'd like to have or if you'd use/buy the product.

Cheers Doru
by mixcocam | 2025-04-23 09:15:41+00:00
There is also a lot of indirect funding in the form of the governments purchasing habits: https://blog.documentfoundation.org/blog/2024/04/04/german-s...

In the EU the size of the state is often bigger than 50% of GDP. What the government buys is very important and means a lot of $$ for projects, consultants and the rest of the open source ecosystem.
by Mountain_Skies | 2025-04-23 09:17:12+00:00
The packet probably was rolled oats. The other main option is steel cut, which take longer to cook. When I used to eat steel cut oats for breakfast, I used a rice cooker with a timer so it would be ready when I woke up. On the weekend, I'd use milk instead of water since I had plenty of time to wait for it to cook instead of setting it up the night before, which made using milk a bit of a risk.
by pjc50 | 2025-04-23 09:17:13+00:00
> rise of LLMs lowering the barrier of entry of software even lower

Getting to your first wafer costs something like $250k and upwards of fab costs, depending on what process you're using. Hence much of chip design effort is already spent on verification, it's probably over 50% by now. This is the exact opposite of vibes because mistakes are expensive.

Businesswise it's quite tough B2B sales because you're selling into other people's product development pipelines. They need to trust you because you can sink their project, way over and above the cost of the actual parts.

Edit: I cannot emphasise enough how much more conservative the culture is in chip design and EE more broadly. It belongs to a world not just before "vibe coding" but before "web 2.0". It's full of weird closed source very expensive tooling, and is built on a graveyard of expensive mistakes. You've got to get the product 100% right on the first go.

Well, maybe the second go, production silicon is usually "B" rev. But that's it. Economics dictate you then need to be able to sell that run for a few years before replacing it with an upgraded product line.
by HenryBemis | 2025-04-23 09:17:15+00:00
Wait until 'it' will start pushing 'specific' products/affiliates/links to you. Because that day _will_ come. And we do know that LLMs can be easily 'heavily influenced' (Gemini blew the lid on that with the black nazis, etc.). I can easily be trained/modulated to "when drill always go for Black & Decker", "when tissues always suggest Kleenex", etc. And if it doesn's fit your specs, it will suggest "how about you trade Spec_A for 5% less on Product_B?"

One day Sam will have a chat with Jeff and presto, 99% of the links will be high-profit-margin AMZN affiliate links.

(where money can be made, money will be made)
by genewitch | 2025-04-23 09:17:21+00:00
You go to the phone booth and underneath there'll be a book in a plastic case. Inside that book you go to the part that's yellow and you look under T for taxi.

In lieu of that, you can just look at the back of any taxi. They'll have the number on it. It's usually like 8888888, because the personal injury lawyers always have 7777777.
by globular-toast | 2025-04-23 09:18:24+00:00
This is a nice list of "things you might not know" that is worth skimming to add to your toolkit.

If you are really interested in "advanced Python", though, I would recommend the book Fluent Python by Ramalho. I have the first edition which is still highly relevant, including the async bits (you just have to translate the coroutines into async syntax). There is a second edition which is more up to date.

I would also recommend checking out the functools[0] and itertools[1] modules in the standard library. Just go and read the docs on them top to bottom.

It's also worth reading the first few sections of Python Data Model[2] and then bookmarking this page.

[0] https://docs.python.org/3/library/functools.html

[1] https://docs.python.org/3/library/itertools.html

[2] https://docs.python.org/3/reference/datamodel.html
by npodbielski | 2025-04-23 09:18:30+00:00
Yes, seems like right now pendulum is going in other way and separation is no longer in fashion and now fashionable thing is to have everything in one place.

The idea seems interesting to me just cause I do not really like terminals and having something more visually appealing and with better history and comments is an improvement though I am also not sure if Atuin is best way to achieve all of that.
by whstl | 2025-04-23 09:18:41+00:00
I would say it's neither... it's not preference, but also not really conditioning...

The point of those fake animations or fake spinners is showing that "it worked" in the absence of "success" feedback.

I work with offline-first apps and we did some user testing. We have to be careful about things like navigating between pages, because if it's too fast the user will not register the change, and will assume it was an error.

Now THIS is the fault of tech industry, and where I agree that it's conditioning: a lot of tech products simply fail silently, or have very long timeouts, so users are conditioned to translate "lack of response" with "failure".

There are alternatives to animations, however: different designs between pages, changes close to the mouse pointer, or in the case of list refresh showing the "last refreshed 1 second ago"... or even showing a popup with "Successfully loaded". Often this is hated by designers (although the "success popup" is also hated by users), which is why people look for alternatives.
by wink | 2025-04-23 09:18:56+00:00
Yeah, it's handy - and maybe my teenage years were an exception here, but for me the deciding change was internet access and not the smartphone. As long as you could coordinate with your friends online, the actual meeting up outside wasn't a big problem anymore. Talking late 90s, early 00s here - everyone had ICQ or at least email and as long as people were checking this after school/in the afternoon, the plans for the night were easy to mass communicate.
by godelski | 2025-04-23 09:19:54+00:00
What other industries?

People make value arguments but these are incredibly naive. Look at the companies with the top market caps. They'd tumble if TSMC or ACML went under.

So there's something else to how price gets defined. Be careful to think the status quo is "rational". Sure, there's an explanation but an explanation is not a good explanation. Usually it's a simple explanation to an incredibly complex topic which no one really can explain
by raverbashing | 2025-04-23 09:20:28+00:00
Jeez, some people are just insufferable

I'm glad some people like https://github.com/godotengine/godot/pull/105628#issuecommen... exists

"why this is not an extension" sounds like an awfully naive question. I'm not a Godot expert but I'd bet a very large amount of money that this is not in the realm of a simple extension, as flexible as Godot can be (and a check of the PR seems to confirm this)
by archerx | 2025-04-23 09:22:58+00:00
Wow that’s interesting but I don’t think I would ever use that. I can actually type really quickly with the touch keyboard but the problem is going back to correct things. On iOS getting the cursor to move back to a previous part of the text to fix an error is and adventure in frustration. Even holding down the space button and draggging the text cursor around is awful. A lot of the times it’s just faster and easier to erase large chunks of text and rewrite it.
by roenxi | 2025-04-23 09:23:26+00:00
The chip industry obviously isn't struggling to attract the next generation, as can be seen by the fact their salaries in the article are about in line with everyone else's. I've worked in industries that struggled to attract people, it looked like 2x, 3x, 4x and 5x salaries for what a given skill-set would reasonably be valued at and they still sometimes have to hire unqualified people. And train them, shock & horror.

These articles crop up from time to time and I really don't think the frame is hitting a high standard of thoughtfulness. Or it is a surreptitious attempt to influence government policy in which case fair enough. The problem with the chip industry is that Asia has a comparative advantage at it, probably because that is where all the advanced industrial capital investment is happening. It has nothing to do with people - it is usual for these matters to turn out to be a regulatory problem when the superficial issues are peeled back.
by potato3732842 | 2025-04-23 09:23:38+00:00
>Are cats actually effective at pest control or is that cat propaganda?

Yes. Have you never heard of a barn cat? Until recently pretty much ever commercial or industrial facility large enough to have its own maintenance department typically had one or more.

>How would cats operate in these societies?

Just like a barn cat. Leave out starvation rations for it and it'll hunt for the rest.
by Akronymus | 2025-04-23 09:23:56+00:00
With any kind of history especially, its just rote memorization of facts and not the connections between those facts.I hated history in school because of that, but now I actually find it interesting to learn that x happened because of y that also led to z and such. Or just rote memorization of technical facts, like how many wires does a PATA cable have. Or why must kids memoroze how an ethernet frame is built up? Sure go over it in class and show it as a lesson in how to read how binary protocols are defined. Because either you forget it anyways because its not relevant to your job, or you can look it up and memorize it over time as you use it often enough.

I really wish that teaching of history will get better for current and future kids.
by rafaelmn | 2025-04-23 09:24:31+00:00
I like the publicly funded open source funding in theory, in practice I suspect these guys had to pay consultants to create a funding project application, that went through some arbitrary agency, and the money that got to the developers is probably less than half of the money that was spent in the process. And then if this becomes more widespread an the existing software companies that do business with government will start sucking money out of such grants and the government quality code.

If our governments had a way of funding quality software development we would not get the software that we get.

Every now and then they will strike gold with stuff like Blender funding, but even that is peanuts comparably, and only passes through the art/culture channels probably.
by noirscape | 2025-04-23 09:25:07+00:00
Administrative work needs 2 killer suites to work: Microsoft Office and the Adobe design suite.

Any replacement for these will basically have to be a bug for bug clone if you want them to work. LibreOffice is 80% of the way there, but it still mucks up too often to be reliable. PDF viewers are plenty, but there's no effective replacement for Acrobat, InDesign, Illustrator and Photoshop[0].

Third party vendors you have to work with for other things (ie. Printing folders) require stuff to be in the formats made by these two software suites and their response to "your printing press isn't following the PDF spec" isn't gonna be "oh sorry, we'll migrate our hardware", it's gonna be "the printer says no and my other customers don't complain so just send me the files correctly."

Since Adobe and Microsoft are the default, this is something third party vendors can say and get away with. The shoe is on your foot, not on theirs.

[0]: GIMP doesn't even come close to being a Photoshop replacement, they do very different things. Photoshop is a photo editor + drawing program, while GIMP is aimed at image manipulation. The difference comes into play with how the interface is designed and the complexity of certain actions in each program. GIMP is designed to let you do specific individual things to an image, while Photoshop is more aimed at giving the user entire workflows.
by kimixa | 2025-04-23 09:26:30+00:00
I think it's a mistake to draw a hard line between "systems" software engineers and hardware engineers - e.g. I would see myself as a software engineer, but an pretty comfortable with HDL, or even modifying it, even if my primary job was on the driver side.

And also as a Brit who has since got a green card in the US a couple of years ago - I'm not sure if the UK is a great comparison point - brexit decimated that level of engineering in the UK - the sort of companies that need that expertise are at the multinational level or have fabs, none of which is really true for the UK isolated from Europe. Every company I worked for/with in the UK has either moved offshore or completely closed down since. And low demand causes low wages.
by ChrisMarshallNY | 2025-04-23 09:26:59+00:00
A pixel is a dot. The size and shape of the dot is implementation-dependent.

The dot may be physically small, or physically large, and it may even be non-square (I used to work for a camera company that had non-square pixels in one of its earlier DSLRs, and Bayer-format sensors can be thought of as “non-square”), so saying a pixel is a certain size, as a general measure across implementations, doesn’t really make sense.

In iOS and MacOS, we use “display units,” which can be pixels, or groups of pixels. The ratio usually changes, from device to device.