skysight-inc/HackerNews huggingface dataset:
>it is an American news source discussing issues from an American perspective

Audience concerned, this is increasingly less so for web-based properties.
How to invert a binary tree

Definitely useful
cool I can get the bot to post a PM to me but the website says it also works in group chats..how? no documentation
Good luck trying to convince C++ devs to add metadata to their binaries.

One reason why we have always to come up with our reflection solutions was because of this.
Haha, I started building something similar using python (not that I like that language, but it seemed like the right tool for what I wanted). Additional features I (partially) added: User verification (click link that's reachable only via company IP), notification categories (users can configure which they want to receive) with attachable priority (sender site), user-configurable nagging (based on category and priority, e.g. for build errors the bot can ask the user for an ack) and user-configurable work hours.

But my boss decided we wouldn't need that, so I stopped working on it. Maybe I can release the code as open source.

Edit: User-configuration was via /command messages for the 1337 kids and clickable buttons for most options (better convenience/less steep learning curve).
>As others have said, the parent misinterprets the meaning if 'threatening'.

What meaning exactly would that be?

Dictionary.com:
1. tending or intended to menace: threatening gestures.
2. causing alarm, as by being imminent; ominous; sinister:

Webster: expressing or suggesting a threat of harm, danger, etc. received a threatening message a threatening manner : indicating or suggesting the approach of possible trouble or danger saw threatening clouds on the horizon

Oxford dictionary: 1 Having a hostile or deliberately frightening quality or manner.

It does mean "impeding", but not a neutral impeding -- an "ominous" impeding.
Well, ASM is a bytecode for a VM too … CPU are really complex theses days and you definetly don't run your asm on a dumb piece of silicon, as the phrase “bare metal” seams to imply.

And, as a reminder, there's often bugs in that VM. Meltdown was one of them, but there's tons of them.
>It's meant as "to announce as intended or possible".

In a negative way. See my response below, and the lemmas for 3 major dictionaries...
From Doom9

Harmonic showed a comparison demo at NAB, pitting AV1, AVC, HEVC and JVET against each other. At the equivalent bitrate of 1.9 Mbps they got the following results:

Codec -- PSNR -- VMAF

AVC -- 32.7 -- 58
HEVC -- 36.7 -- 80
AV1 -- 37.2 -- 83
JVET -- 38.5 -- 88
China Is Nationalizing Its Tech Sector
Looking at this from a Rusty point of view, ownership rules make this possible. When this function creates but button, it owns it. To mutate it (addLabel/setAlignment/sizeToFit), it has to own it. But for it to continue to exist after the function returns, something else has to own it. Therefore, Window::addSubview has to take ownership of the button, and so, has to come last:

fn make_button(window: &mut Window) {
let mut button = Button::create();
button.set_label("test");
button.set_alignment(Alignment::TopLeft);
button.size_to_fit();
window.add_subview(button);
}

(complete toy example at https://play.rust-lang.org/?gist=cb1db59a3ee1f4bad0a5472267c... )

In that situation, the button's destructor absolutely could delete itself.
Find other consultants that you can subcontract. Focus your time more and more on account management. When you’ve got enough accounts perpetually, bring in perms.
Show HN: You will soon be able to change your HN nickname
A look into infrastructure meltdowns at Twitter
They usually do.
Sounds like you struggle with the math notation and with the epistemological concepts involved.

Did you read & comprehend the two papers linked before trying to make sense of it?

If so, mind sharing your notes? Pretty sure you must have taken some if you claim to have comprehended them.
But being cynical the journalist would want to give the source some money as it locks them in
You should say the same to coldtea, the person asserting that there are only 10 enterprise projects written in the C language and that there's no goto spaghetti in C language programs.
Hard to make at an affordable price and there is a lot of difference to how a production line works and small batch high cost items like rockets.
I love it but it has a few catches.

could you please escape the whitespace? "hello world" returns me "hello+world" .
Also I am trying to configure a nice template on zapier, so I'd need it to reckon "newline\n"
last but not least, parse URLs please!

EDIT: looks way better if I send data in JSON instead that raw/form
To be honest, I'm not seeing the difference between uber and Amazon. It just feels like you're giving your interpretation of the situation rather than the reality.

You day this about uber
> It lets people make money from their car.

I think the implicit assumption above is that cars don't make money traditionally.

Same can be said amazon:
"It let's you make (more) money from the things you're already selling"

Uber is also a middle man between ride-hailer(user) and driver, the same way Amazon is a middle man between buyer and seller.

Are the examples incorrect because they're way too similar (platform plays) or is my understanding incorrect (that they're very similar)? I'll be happy if somebody could take a few minutes to explain
I think it's possibly the same or similar. I don't buy the pioneering mission with people who go knowing that they're not going to get back and possibly die of radiation exposure. I think nobody is going up there until there's a lot more tech in place, at least at the level of The Martian, ie: knowing how to get them back and guaranteeing survival
I had a different impression from the charity contacts I have, but let's assume you're right for this discussion. Doesn't that mean the only practical effect of the GDPR on these organisations is that instead of funding research to help people who had a stroke or providing water to villages in Africa or whatever other desirable work they would normally be supporting, they're spending time and money on legal technicalities that aren't going to make any meaningful difference to anyone? I still don't see how that's a good thing.

As someone supporting these charities and whose personal data is being used to send the updates on what they're doing, I (and others in a similar position) am the person who is supposedly being exploited undesirably and in need of protection here. And yet, as I wrote before, I was quite clear about what I was expecting to happen when I filled in each form, and none of the charities I deal with regularly has ever done anything I would consider abusive or beyond what I knowingly agreed to. I really would prefer it if they didn't have to waste their resources on this and instead spent them on whatever good work they would normally do, but since every single one of them has contacted me anyway, I have to assume that something about the GDPR-related changes is preventing that from happening.
Ask HN: Best resources on database design
what are the best resources on database design for hackers?
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Wow! In your starting paragraphs you portrayed your billion dollar company as if it was a struggling business just scraping by
In Musk years that would be Q3/Q4 2020.
When I search for bitcoin, I get random sites. But when I wanna know why the price just jumped/crashed, I click on news and see why people panic bought/sold this time.
The title should be Web Front-End Developer Handbook.

Native desktop, mobile, TV and infotainment systems are also front-end.
> exposed structures and visible thought processes

If you press F12, it turns any website to a brutalist one
How on earth are paper books faster to search through?
Right, thanks for the quote. The Gini coefficent is applicable both to income and to wealth inequality, so that doesn't answer the question. (Not your fault, of course.)
Oh, you mean like AMP, which now every major site supports, and which is even stricter than XHTML?
Comparing files: FileMerge, opendiff, and BBEdit
Perseverance the Great Substitute for Talent
Wh per kilogram, Wh per cubic cm, number of charge cycle life, $ per kWh cost to build. If you look at how many kJ are in one gallon of diesel, it's kind of amazing. Even when 50 percent is lost to heat in an internal combustion engine.
No there is a huge difference. What Jeff Bezos is doing is SELLING pirated non-software. That's highly illegal and punishable, in most places, with jail time.

But man this is an insightful comment. Of course, that's what the outsourcing wave will lead to.

Pirated real products. From toothpaste to electronics. Lower quality ... and even higher quality products.

Man how could I have missed this ?
I find the way that response has been worded to be misleading. Labeling an effectiveness of around 5% as 4/10ths of a percentage demonstrates a desire to mislead the reader.

Most people will shake off a flu infection easily. The elderly or people with other medical problem may not, so I find it a weak argument to say they are useless based on that study.

The second study quoted is pretty much what I would expect based on my knowledge of influenza virus. It evolves quickly, which is why being exposed to it once year doesn't build up your immunity to the evolved strain going around a year later

To say they are useless is just wrong.
Absolutely. Their API as well as community's convenience wrappers are pretty excellent. Wrote an entire bot in a day (@LiveCoinWatchBot) and that's a testament to the development ease, not really my skills. Definitely the case for considering not depending on anything there, even a library. Let alone 3rd party service. BUT...

There's a case for users without running available endpoints for the hooks. I'd bet those people who also have need for Telegram integration with some 3rd party webhooks are in majority over us.
I've seen that, too, but there is usually a reason for writing it in that form. The most common would be that you have a different equation with 2K in it, and so you want to make variable substitution simpler. Alternatively, if you are reading older papers, typesetting inline equations that don't fit in a single line was painful. For that reason, a formula might be rearranged to avoid needing any fractions.
I generally have a favorable opinion of Europe but this copyright law proposal, and the stupid "right to be forgotten" nonsense, shows that they are far from perfect.
The first line of the WHATWG URL spec says that it deprecates and replaces all IETF URL standards.
I think that when you draw a distinction between civil rights activists and anarchists, you are using hindsight. These days everybody claims MLK was a peaceful giant who was on their side all along. Republicans say he was a Republican, libertarians say he was a libertarian, anarchists say he was an anarchist, etc. But before he had become a safe historical figure, he was held responsible for violence and very seriously accused of being a communist/anarchist by those in the government and on the right who thought those categories were the worst thing possible to be. So one must be skeptical of such name calling today.

Left of center people attack libertarians these days using parallel rhetoric, identifying them as equivalent to the worst right wing types and responsible for everything about capitalism that can be criticized (e.g. the body count from everything bad). Are you on the same page, or do you reject that as invalid nonsense? Do you agree libertarians are fascists too?

Have you ever noticed how ubiquitous the fasces is in Washington, DC, on statues (e.g. Lincoln) and things? That doesn't make our government fascist to be sure, but it's about as good an argument as the one you are making about other people.
And if you're wrong, what is the cost?

It's interesting how there's no negativity check to discussion forums, because there is effectively zero cost to endlessly being wrong and endlessly negative. When confronted with even a 50/50 proposition, the obvious bet is to go hard negative against it.

The last two dozen, or more, Tesla threads I've read on HN, have been approximately 95% negative. I've never seen anything like it in the last eight years I've been reading the site. The Facebook blowback recently perhaps, although they've harmed the privacy of tens or hundreds of millions of people.

Maybe someone here can help me understand, why the extreme emotional reaction to Tesla these days? I've found you can't even point out actual positive facts about Tesla without suffering a wave of downvotes regardless.

They're going bankrupt next month. Or next quarter. They suck. They build shit cars. The panels don't fit together ever! Electric cars are easy to build. They have endless competition that will smoke them. Musk is always wrong. He's committing securities fraud, probably; or at least SpaceX is, or maybe Tesla is. They'll never get autonomous driving right. They're behind everyone in autonomous driving. China, or Europe, will eat their lunch. Telsa will never reach profitability. So what if they've grown sales rapidly, they still suck. All the other car companies are already out-producing them in electric cars. They'll never produce the Model 3 at scale; they'll never produce 1,000 per week; they'll never produce 5,000 per week; and even if they do, they'll still suck! And so on for another 57 negative concepts.

To give a specific example, a lot of comments I've read, have claimed Tesla would never mass produce the Model 3. Post after post for months has stated plainly that they were going to fail at it. It was obvious, supposedly. Now they're tracking to 100,000 or more in just in the second half of the year. If you point that out, the response you'll get is either: yeah but they missed Musk's original target by a mile; or: yeah, well, the quality sucks (ie a deflection and criticism shift, which points to a broader cynicism).

You'd think we were dealing with a genocidal warlord, not a car company.
It was easier to be more creative with hardware in the past, because of the full stack experience.

Now that OSes and bytecode as portable binaires have become commodity it is very hard to try to sell something where users can just leave at any moment.
Marvell are an awful awful company to do anything with if you have any expectation of driver source, kernel upstreaming or them even reading your emails unless your company has an n-million contract with them.
Yeah - more like "why are electric car companies harder to build than space launch companies".
Japan has found a ‘semi-infinite’ deposit of rare earth minerals
It still is. From the homepage of the site:

"TrueOS has been using OpenZFS as its exclusive file system for several years, ensuring advanced OpenZFS functionality is heavily tested and 100% production-ready."
Typical uncreative Google reliance on useless statistics. This is why Google produces horrible APIs and Googlers often cannot code (seen in various OSS projects).
You are correct but is not enough for the technology to improve, there needs to be some thought into making things forwards compatible too. Human readable formats stand the best chance of being understood even if there is an interruption in the advancement of civilisation. Paper obviously wins here. The elephant in the room is of course the media on which the information is stored. Paper is probably the most robust storage technology we have right now.
Well this is the only reason Amazon still has competitive pricing. Their sales tax advantage is gone, and their delivery services, while impressive, can't compete with having customers simply drive the product home themselves.

So what's replacing their tax "avoidance" ? Bezos is done cheating the government, and of course now he's cheating his customers.

(sorry but I have very little respect for a man who is known to steal the businesses of his customers [1], and of course there's how he's (attempting to) use his customers as a weapon against Google [2])

[1] https://www.inc.com/stacey-macnaught/amazon-is-stealing-your...

[2] https://news.ycombinator.com/item?id=16499124
One time I had jet lag and went to the neighborhood diner (in NYC) a bit on the earlier side, like 5 AM or so. For a random Tuesday morning it was interesting to see all sorts of people walk in after a night out (on a Tuesday morning no less!). Reminded me of how crazy the city is.
In case you haven’t noticed, Uber, AirBnB don’t care about regulations
Even building without debugging symbols, a lot of the remaining size comes from runtime type information and method/function/struct names, used in reflection, which there's no way to remove. That also has some reverse-engineering implications.
Your boss and your girlfriend were 100 years old?
In general, it's helpful for me to separate assumptions that are characteristics of the generative model (and possibly an inference procedure used with it), and "assumptions" meaning things that could lead to poor out of sample prediction.
Erik Visits an American Grave, Part 229: Vito Marcantonio
Show HN: TrebleMaker – AI-assisted song writing
I would argue Deref coercions are still explicit, because the trait implementations are explicit. There is not a magic mapping of types whose references can be coerced to each other, it is exactly the ones that implement Deref<Target=T>.
I do not dispute the author's thesis that OO and FP can be combined synergistically, but I don't find the specific arguments convincing.

In the author's characterization of OO, it seems strange that a bit of syntactic sugar would make a profound difference to the semantics of programs, and on closer inspection, it doesn't.

The author claims that with f(o), the caller has a dependency on the callee that does not exist in the OO version o.f(), but of course, in either case, the caller has a dependency on the callee doing the same right thing. There are multiple approaches to assigning some sort of confidence to the proposition that the program design satisfies this dependency, and an unending debate over which is best, but none of them depend on the syntax of the call. It doesn't even imply a specific implementation style, as there are several languages, some OO and some not, in which f(o) might be implemented as different functions for different types.

Pattern matching in fp is widely regarded as a feature.
Pulling master on github isn't the "state of the art" for Go (it's dep and vgo).
In every formal system, such as FOL/ZFC, all operators must have a precise meaning. And while it is true that most informal uses of the `=` sign in mathematics could be translated to some formal expression making use of a precisely-defined `=` sign, I think the point was that some (or most) mathematical notation is not formal, and therefore saying that `=` always means a precise notion of equality is wrong, even if in a particular formal language it always has this precise meaning. Therefore, this is not a sin to use the same `=` sign in some other formal language (say, a programming language) to mean something other than its meaning in a particular mathematical formal language.
But is HN targeting Europe or any geographic area? If someone from Europe decides to participate, isn't that a conscious decision to participate in a forum outside of Europe and thus outside of the GDPR? Should someone expect their own, local laws to apply around the world?
Great, so if I build a website based purely on the WHATWG specs, it will work in all browsers, correctly?

No, it won't.

I can take the A4 paper spec and build a printer that takes that paper, and I know paper will comply with it. And the other way around.

You can't build a website just from WHATWG specs, and you can't, excluding the parts about backwards compatible parsing, easily build a new browser from scratch either.

A standard is an a-priori written document that describes the entire API surface, so that people on both sides can develop based on the standard without having to verify with actual implementations.

The WHATWG documents are useless for this purpose.
Strawman.

I get vaccines for serious diseases when visiting foreign countries. Yellow fever, hepatitis, tetanus amongst others. So far I have manged to avoid becoming autistic.

I am in good health so have no real reason to get a flu shot. (One year my work offered me one and I took it).
Dated monolithic architectures are killing future IT opportunities
Yes but that's not incompatible. Life is not an all of nothing proposal.
That even mentions the running club!
Rust in Detail: Writing Scalable Chat Service from Scratch (2015)
To add to that, that it was always how most CPUs were developed.

Pure RISC CPUs were the outliers, but coupling RISC ideas with micro-code turned out to win the match.

Even modern ARM versions use micro-code on their CPUs.
Now that explains much of his eye for composition.

Mr Kubrick's obsession with light motivated him to shoot all the candle lit scenes of 'Barry Lyndon' without supplemental lighting, using three Zeiss f/0.7 lenses. He wanted audiences to see what the characters saw.

Only ten such lenses were ever made and are still the fastest apertures ever used in filmmaking

https://m.dpreview.com/articles/9811242514/kubrick-s-f-0-7-l...

And very difficult to use, too; depth of field of a 50mm f/0.7 lens is about 20cm at 5 metres! So to keep his subjects in focus he had the actors move only sidewards in those scenes!
Airlines Are Backing Volantio (YC W09), a Startup That Could Fix Overbooking
> Trying to make it easier to type, a bigger usability problem is created, assigning counterintuitive symbols to functionality that most people would not associate to them.

How do you know? It seems no such problem has been reported, so the burden is on you to show it exists. I don't think people assume that the same token has the same meaning in different languages.
Thoughtbot: https://thoughtbot.com/playbook/our-company/apprenticeship

Most of these seem web based, I wonder if there's any out there for low level / systems.

Edit: IBM: https://careers.ibm.com/ShowJob/Id/185175/Software-Engineer-...
I didn't originate the phrase, but read once that university is mostly privilege laundering. It seemed an apt description.
SpaceX has blown up, according to a quick search, something like 2 rockets out of ~50. They make reliable, reusable rockets from the perspective of the launch industry, but if they sold a million cars and 40,000 of them exploded into huge fireballs when first used, then Tesla would not be considered successful. On an absolute scale, cars may be easier, but they're not easier relative to the competition.