skysight-inc/HackerNews huggingface dataset:
> for the fluoreszent effect, it is sufficient that the light has a shorter wavelength than the floreszent color. So any wavelength from normal green into the blue spectrum should work, no need for UV for that

That is not how fluorescence works. You have a fluorescence excitation spectrum offset from the emission spectrum and there is a peak. I don’t have the spectrum for a tennis ball, but it very well could require UV light for any meaningful fluorescence

https://www.sciencedirect.com/topics/chemistry/fluorescence-...
What does the fact that it's written in Rust do? Do we get more storage space? Can files being downloaded faster?
Is that the reason why these fake news outlets which sound like official newspapers were shut down after EU Disinfo lab discovered them? Is that why their websites haven't been updated and twitter and youtube is disabled?
That's awesome, thank you very much! I will start with easy problems on Leetcode. Thanks a lot again!
Planet-planet scattering as the source of the highest eccentricity exoplanets
An Introduction to Arcade Security
The Joy of Cosmic Mediocrity
In the Clojure world, this used to be a popular way to structure backend apps: https://github.com/stuartsierra/component

> Components provide some basic guidance for structuring a Clojure application, with boundaries between different parts of a system. Components offer some encapsulation, in the sense of grouping together related entities.

> Each component receives references only to the things it needs, avoiding unnecessary shared state. Instead of reaching through multiple levels of nested maps, a component can have everything it needs at most one map lookup away.
https://www.youtube.com/watch?v=dCRdEFU_lIo
> Paywall

It's a scientific journal. The article is available in sci-hub.
Indeed, there are many obvious shortcomings and risks with DD and any other system - pointing them out is about as difficult a shooting fish in a barrel. But I find this style of argument utterly unconvincing of the popular truism that it would inevitably result in a clusterfuck.

Not only that, any time I read such criticisms, they seem to overlook the fact that DD would change the landscape. Perhaps people are "ignorant of the facts" now, and I certainly don't disagree, but can you blame them? If a democracy offers you only two choices of party, who differ very little if viewed from a perspective outside the Overton Window (which is constantly drilled into people's minds as a true representation of reality), then why bother putting much effort into it?

Of course, the average Joe's reasoning doesn't get down into such detail, but I believe the common man has a reasonably accurate intuitive sense for discriminating between sincerity and theatre.

To know with any level of confidence whether DD could work, it would have to be tried, with many variations, over a very long period of time. To me, this seems unmistakably true due to the complex nature of reality - and yet, the overwhelming consensus opinion seems to be that It Is Known that it could not possibly work, full stop. To me, this seems like yet another an example of intuition being mistaken for fact, a general idea that this [0] excellent comment touched upon.

[0] https://news.ycombinator.com/item?id=21897532
> fonts, compared to, say, corn farming

Apples vs oranges.

People do not talk enough about fonts. I have a quite tightened build process that I can shrink my CSS/JS down to ~50KB pre-gzip, and this easily makes fonts take up the major part of the page size.

There are not enough easily accessible tooling for font optimization such as woff2, variable fonts, rendering optimizations, lazy loading, etc.
The amusing thing I get from this is pleading ignorance to what's being sold after being rumbled.

I've seen some of those 'vendors' lord it up about how great they are at SEO, and when it comes to them getting limelight outside their own circle, they are acting like they were born yesterday and had no idea.

Their service pillows the hacked links with other sources like SAPE to provide volume.

All lucrative of course, but quite scummy IMO and SEOs should stick to legal avenues of promotion.
Replacing Windows? Hands on with China-Made Operating System UOS
That's super cool. I think that approach is quite scalable, too. Only games with very complex logic would require something faster than SQLite for game logic.

Unrelated, but I also guess that using SQLite for offline data could be a timesaver, since you can leverage web tech to make tooling for your artists and level designers.
I wonder what those other metrics are.

A big one is that managers are de facto judged by the size of their team (and, for more senior ones, the size of the tree underneath them, too). It seems to be really, really hard to have middle management in an organisation without "maximise headcount" becoming an unofficial goal.

Edit: Employee happiness is an interesting one here. It's quite believable to me that being seen to cut down a few tall poppies might have a positive impact on (mean) employee happiness in some cases.
That was my point. It still happens everywhere, which I find disgusting.
Perhaps consider leveraging Occam's razor while you accumulate more evidence to satisfy a firm position. Or do you adopt a similarly ambivalent approach to everything you encounter if it lacks immediately presented evidence?
This is why American democracy was stable after GWB’s initial election.

I don't understand this comment. I agree American democracy was stable after GWB (George W Bush)'s election (although I'm unclear if you mean the end of the vote counting or the judicial process here?). But I don't think the Gore camp felt they had legitimately lost at all.

recent referendum was that STV was portrayed - what is STV?

while FPTP has - FPTP = First past the post.
As a programmer, if someone asked me to do this, I would walk out.
It might use less battery time?
Agree with the unknown-unknowns, the problem is (at least from my pov) that University nowadays mostly familiarizes you with unknown-unknowns that are kind of boring, i.e. stuff that will potentially bring you (the University atendee) financial and societal returns further down the road (I get why they do that, I’m not criticizing them for it, just exposing what I think happens).

Again, from my pov most of the interesting and not-boring stuff that can be studied does not have that many financial or societal benefits further down the road, and as such self-education seems one of the few ways of gaining knowledge about that stuff.
> Just being in an an academic environment, being able to take classes, & studying around really smart people and doing research at the highest academic level is a really great experience & makes the stress worth it.

I guess your mileage may vary.
The best description I've heard about grad school is that it's a self induced neurosis. That was certainly my experience at the time I did it.
The Case for Scale in Cyber Security [video]
I reread what i wrote and it can comeoff as condescending, though it wasnt meant that way. I meant to actually say is that my attitude is specifically forged by my experience.

What you think is fine, i don't think is fine, because we see the use case from two different perspectives.

You also see benevolent usage, i see abuse potential. System security and usability are always at each other’s neck in a never ending act of balancing.
This article is amazing for its level of technical detail; something of which I would never be capable. But it reminds me of my first GPS, which I cobbled together from parts around 1999. A friend sold his minivan and for some reason yanked the GPS guts out of it because he thought I'd like to tinker with them.

Through a series of cable adapter, and some topographical bitmaps (maybe from Terraserver), I managed to get a working GPS on a U.S. Robotics Palm III.

It was a far cry from what we have today: locking in to the satellites took several minutes, I could only have one map at a time, there was no zooming, the display was 160x160px monochrome, and if I changed maps the whole system had to be recalibrated. But it was the future right inside my own car.

Now a 100x better GPS is available inside my watch for half the price.
NASA finds an elongated Phanfone now a tropical storm
In this specific case, hospitals do tend to offer good health care plans.

Further I don't believe it is possible for a hospital with all its specialized equipment to 1099 its nurses (doesn't pass the IRS '20 questions' test on contracting).
I think the kind of audiophiles who buy gold-plated HDMI cables because they sound better give the others a bad name.
I worked on an app as a backend developer with an intermediate understanding of JavaScript/html. I was able to use Cordova to build out a functional prototype. After that we were able to engage with a contracting firm and point to the prototype as the requirements. This let them quote a firm fixed price, which we of course enjoyed. Sorry, not sure how the contractor was found.

Depending on the functionality needed for your app idea (and your skills), this might be a good path.

This was in the early 2010s.
First time I learnt, news channel become more neutral when they are in loss. Conventional Response is to produce more polarising narrative to gain more views especially a target group that becomes loyal followers.
Though he insists on claiming to be "neutral" Ian's position explained in the latter link was to rank E (the only thing rejected more firmly than Further Discussion in this vote in the end) near the top. Option E purports to force every Debian contributor to do the heavy lifting for the systemd refuseniks, their desires are "Required" by the project to be implemented.

Actually, with a tiny amount of human insight, what Option E forces is really either: Another vote to kick out the refuseniks because this is intolerable OR most Debian contributors quit and the project gradually stagnates.

The Diziet sobriquet seems appropriate. Diziet Sma is the Special Circumstances agent "running" the win-at-all-costs mercenary Zakalwe in Iain M Banks' novel "Use of Weapons". Win-at-all-costs is a reasonable strategic choice in the last place we see Zakalwe (the War on Hells in "Surface Detail") but it's probably a bad idea in a volunteer project like Debian.
"We painstakingly collected and grouped channels (768) and recommendations (23M) and found that the algo has a deradicalizing influence."
Reuters Report about crimes against women showed how anti indian western media is.
> "equity-based crowdfunding"

Isn't that called an IPO?
If this topic interests you, highly recommend the post author's book, Dignity.

https://www.penguinrandomhouse.com/books/566661/dignity-by-c...
Microsoft "succeeded" by cranking monopoly power absolutely as hard as it would go.

They haven't really changed, although they have learned to be less obvious about it.

They set the software world back by 20 years. Before Microsoft, nobody thought computers should just randomly fail all the time. They got people to think it was perfectly normal, and not a reason to send the damn thing back for a refund.
What do you mean zero overlap? YC does biotech (https://www.ycombinator.com/biotech/).
Graphics and Design:

* Photoshop, GIMP is great but still a bit rough.

* Illustrator, Inkscape is great, but rough.

* Maya, Cinema4D: Blender is technically pretty good, UX is improving but still clunky. Even something like Silo would be pretty sweet (a fairly simple, pure 3d modeling program)

* Video editing: Is there really anything good out there? Last I tried the programs just straight out crashed.
Thanks for your extremely useful sarcastic comment. Maybe the author just wanted to play with the language and share their knowledge through a cool open-source tool. Maybe it's just the best language for the job.
Conveys the ecosystem. When I see “CLI tool written in Python” vs “CLI tool written in Rust/Go” I pick the latter because Python’s packaging situation for command line tools is beyond awful.
To me, it sets expectations for

- single binary deploy(unlike Python)

- fast (llvm)

- memory efficient (no GC)

- newer (by virtue of the newness of the language itself).

Nothing wrong with setting expectations in title ;-)
Used to be? What replaced it? I used it in my last Clojure project, and I'm about to start expanding it further; should I replace it with something else?
A brutal year: how the 'techlash' caught up with Facebook, Google and Amazon
Ginkgo is doing very well.
Submarine to explore why Antarctic glacier is melting so quickly
Visual Basic controls are more like React components, I think.

ECS is, traditionally, just a way to dynamically add behaviour (components) into "blank slate" entities.

Instead of making a EvilMonster class in a game you just have it as a conceptual entity (normally it's just an integer, like a database id) associated with a bunch of components (normally just plain structs) and their parameters: Renderable, RigidBody, Collider, HasEnergy, HasTransform, AudioEmitter, etc.

You can stitch entities and components together using either code or some external data source. The "S" part of ECS is called the system, and it implements the behaviour defined by components.

The upsides of this IMO is that this is a fantastic way to structure your code. The data-oriented aspect is also great for enabling non-coders to assembly complex entities. And some other clever people (such as the sibling answer) found out this is also a great optimisation technique.

There are multiple implementations, of course, so people have different opinions.
Using an ML model to label point clouds for generic ML purposes sounds like a horrible idea.
As a non-US observer I agree with this analysis.

I think it's a difficult situation, and the only way I see out for the US is if someone developed another powerbase within the Republican party (quickly!) and it was in their interest to see him removed from office.

Outside that it just breed contempt for the rule of law. Ether he is convicted in a Democrat state and Republicans explicitly use that in the culture wars, or he's not and people see that the powerful don't even have to pay lip service to the law.

It seems pretty clear that in 30 years time we'll look back at this and think it is a miscarriage of justice that he wasn't removed from office (I'm assuming he won't be). But in 30 years it will be pretty irrelevant.
pacman and the AUR or Appimage? Throw in firejail if you want sandboxing.

I have yet to find a piece of software that was only available as a snap package.

Also snapd is available from the AUR.
Ask HN: Startup Idea for 2020?
What kind of service you would like to see in 2020?

Could be anything practical, from yet another bookmarking manager to hosted federated social network. Please provide features you want to see as well.
That’s no good if you need public key encryption
But that's a big problem: if the scope of systemd is just to be an init system, its answer to everyone who wants to make their tools work with systemd shouldn't be "just use our loosely associated tools instead".
I wonder if HN is a good place to discuss this, because we have a pretty niche group of ppl here.

A big chunk of the HN crowd seems to be self-taught highly intelligent and highly motivated young guys who as a result became astronomically good in their craft. For those people, potential employers will go out of their way and bend their own corporate hiring rules to get the no-degree candidate past HR.

And then there's the normal people working normal jobs. For those, not having a degree will immediately disqualify them from 50%+ of the available job openings. But this crowd is only marginally represented on HN.

Since it's like the last thing where young people need to be disciplined, I'm sure many companies will treat a degree more like a proof that you're reliable enough than like the additional education that it was supposed to be.

That also explains why "degree" has become a HR checkbox where nobody cares about the specific skills that you supposedly learned.

So the correct question is: How do you prove your reliability (by getting a degree) in the cheapest way possible?

As for grad school, that's really only for people who are idealistic and value research higher than job security or having enough money to feed a family.
As a developer who is getting into the computer hardware tinkering / desktop building hobbies it is very surprising to find an absence of open source alternatives to the popular computer hardware info / benchmarking / stress testing tools used by the community, for the PC / x86 platform at least. Popular hardware info tools like CPU-Z, GPU-Z, HWMonitors are all closed sourced, and benchmarking tools like Cinebench as well.

The only open source alternative I was able to find was CPU-X, an alternative to CPU-Z:

https://github.com/X0rg/CPU-X

Another example is I recently got interested in purchasing second hand GPUs and most of the cards found online would have their vbios modded for crypto mining, and to restore to a default bios most people would use the ATIFlash / NVFlash utilities from TechPowerUp. I got interested in how such a utility would work for modern GPUs and to no avail, I could not find any open source tools that would demonstrate the capabilities of these tools
It appears they can, but choose not to. This way they can ensure that less used units are available on the market, forcing people to buy a new unit instead.
There was a famous 'gaff' by commentator Ted Lowe, who said: "Steve is going for the pink ball - and for those of you who are watching in black and white, the pink is next to the green."
> Do you have an example of a situation where a problem in systemd required you to patch the source and recompile, or are you just making a general statement?

General statement.
This is a stupid question. Any world we discover that doesn't harbor intelligent life we would in all surity dismiss as a world that never will. See Mars, for instance.

OTOH, any world that was inhabited by aliens would, besides within a very narrow time frame, either have advanced to a state where their world would, for sure, be unrecognizable by us, or have destroyed themselves to such an extent that we would never have known they were there.

Typically human hubris, why can't we recognize the most logical explanation for so much dark matter? The wreckage and debris of a great alien war. Face it humanity, you're not the pinnacle of intelligence that you think, but, frankly the figurative apes throwing stones at each other after a (galactic version of) World War III.
It's free for small teams, and we can invite you to the GitHub org if you are a customer.
Unnecessary sarcasm aside, I'm Keen to look at it simple because it's written in Rust. I like Rust so this is interesting for that reason alone.

Besides that, Mozilla and the Firefox community have a lot of Rust devs so writing this in Rust may make this more likely to get PRs from people involved in the FF Send project
Funny this came up today. I was just trying to generate an RSS query from archive.org so that I could load a set of search results as a podcast on my phone.

Every time I tried the archive.org advanced search RSS results, my iPhone kept redirecting to News app. Super annoying.

I ended up just figuring out the syntax manually and typing it into a text editor before copy/pasting to Podcasts.
I dislike it for the fact if a process hangs or if your network isn’t ready you get
“Starting process - 2/5minutes”

If your trying to hastely safe shutdown
“Waiting for process to stop - 3/8minutes”

Sure, you can alter the timer but that’s then just another task I shouldn’t need to do.

Dependencies within unit files

It’s own log formatting in a binary format

It’s icky, it feels clunky and while it works it doesn’t feel smooth.
Observation is a tricky word in quantum mechanics. You’re thinking about observing without changing like you would perhaps observe your neighbors through their windows without causing any change to their current state.

However the way you make a measurement in qm is by causing the small subsystem to become correlated with a huge external system, so that for instance the spin of your one small particle is now 100% correlated to a thermal reservoir of maybe 10^23 other particles, such that a led lights green if the particle was spin-up and red if it was spin down.

That’s like observing your neighbor by blasting down their home with a cannon firing a continues stream of other people at them, tearing the brick walls to shreds and observing the splatter patterns to tell after the fact if your neighbors where home or not.

Now the tricky thing here is that by definition, your “observer” has to 100% correlated with the state of the system, otherwise the measuring device isn’t accurate. But the device is constraining the state of your neighbors to either “home” or “not-home” in order to be certain in the outcome. So there no room left for details like “home and playing chess” or “home cooking dinner”, and obviously those details also fairly quickly get lost once they see their walls get torn to shreds by your observer person cannon.

Now this all might make it sound like we just need more delicate measurement devices, but that’s not the case. Any device that can 100% correlate to the state of the subsystem has to force the subsystem into a definite state. So the question isn’t “can you observe a particle without changing it” it’s “can you create a device that tells you either ‘yes the particle is spin up’ or ‘yes the particle is spin down’ with 100% certainty and no other outcomes, which however does not force the system to actually be either up or down?”. This obviously is not possible.
for news about India, you can use The Hindu. Generally, the articles tends to be neutral to left-leaning.

https://www.thehindu.com/
> systemd supporters are mainly desktop users

> is important to listen to server admins that know what they are talking about

Huh?

I got on the systemd train when race conditions with pidfiles caused essential services not to restart correctly for the umpteenth time on a small subset of the thousands of bare metal servers I managed.

Not a single sysadmin I worked with liked anything about sysvinit. Nearly every distro-provided init script for the services we cared about had some sort of subtle bug which we had to manually fix with our configuration management.

Or maybe somebody had been diagnosing an issue and manually run “sudo /etc/init.d/someservice start” and now congratulations, the service inherited the cwd of the person who ran the init script.

Or you have to deal with inconsistent log rotation behavior, or the service coming up before the network was ready on boot (better rename the symlink to 99_myservice!)

I don’t know where people get the idea that sysadmins prefer sysvinit. Maybe ones that only run one or two servers? After having managed tens of thousands of them across many datacenters, systemd is a clear and obvious win.
I can't know how Warren would adapt her beliefs in the face of contradictory data in the future, but she's done that in the past [0]. She believed in a self-correcting and fair market that would be harmed by many regulations, but then she did a study of bankruptcy claims. The results contradicted what she expected to find, and she changed her beliefs instead of her interpretation of the data.

[0] https://www.npr.org/2019/12/10/786314251/elizabeth-warrens-j...
You seem to make a lot of assumptions about people who do and do not visit/participate on HN. Is it based on a feeling or is there some data available on that topic?
says the user who signed up just to comment this.
The basic problem of our democracy in fewer words: „It is accepted as democratic when public offices are allocated by lot; and as oligarchic when they are filled by election.“ Aristotle (https://en.wikipedia.org/wiki/Sortition)
A reference only ever points at one thing, from birth to death, and it always points at something.