skysight-inc/HackerNews huggingface dataset:
Your feigned "maybe you can help me?" reads more like sealioning than like a genuine lack of understanding.

However, sure, I'll humour you. A "signed and expiring token" is not sufficient because then a single attacker could use that token to try 1000s of cards before it expires.

Thus, you need a unique token, and wherever you store that unique token (to invalidate it, akin to a database session), you can optionally store the mouse movements or not. The association still exists. A unique token isn't functionally different from just sending the data along in the first place.
"I don't understand at all what the purpose of publishing this hash.."

The author was explicit: "sending up a flare", hoping "someone would read between the lines".
If they go bankrupt I wonder if they'll sell off the Income Share Agreements or if they expire or something.
Probably because they use so many contractors for moderation but won’t let them work remotely so they have a staffing issue now.
My experience was the opposite. School in America tried to make me just memorize a bunch of stuff and it didn't work at all, but using resources like Khan Academy to build understanding and working through proofs of everything was all I needed. Lots of shallow exercises did nothing for me compared to a few deep exercises/proofs and reading.
Sounds to me like if they own you 24 hrs/day, you should get paid 3x normal wages.
5 courses in, instructor presence is minimal. TAs are phenomenal though!
Or perhaps the “hardcore” texts are just poorly written?
In my experience with Russian style mathematical thinking, it often involves hardcore theory in pursuit of some hard-nosed applications (where every assumption and approximation in the theory is well-motivated). When the two come together, there’s an ineffable magic and wholesomeness that I’ve seldom seen elsewhere. Some of the Russian Olympiad problems are absolute beauty.
Are you in your early, early 20s? Because the Russian education system fell apart recently. Bribes and teachers moving to Europe and all that.
Touché. I’ve never been to the museum. There’s a gift shop inside NSA proper.
It's outside of my expertise. I just know that both sides have opinions and there's backers for both. Would be nice if there was an alternative to archive.is - outline?
Given the purging of creators for arbitrary and political reasons, I can't say I feel sympathy for this company's collapse. Ideally it'd go out of business entirely. Creators should be cutting out the middleman anyway.
Numbers are literally never immutable in any language that isn't designed intentionally for comedy. Variables of a number type may be mutable, but the numbers themselves never mutate. Strings are typically immutable in most languages, but that does vary some (generally surprising people who expect primitives to be immutable).
That's part of why I was looking into this, is I wanted to understand how things might change in the future. I have no special insight on what will happen, but there still seems to be a lack of Senior Data Scientists. Of course, that might change in a few years as people get more experience.
I really miss having a working APOD official iOS app. The others just don't appeal to me.

That video is gorgeous. "That' no moon!"
> It also correlates with the pragmatic engineering of US history (electricity comes to mind).

I got my math degree in California (at Cal) and the approach was a lot closer to what you describe French books as. Many of my courses were just a semester-long discussion of proof after proof, with breaks for exams that were more proofs.
It's not just math. Physics too. People from India who went through engineering entrance exams like JEE will have fond (or horrific) memories of "Problems in General Physics" by Irodov (https://archive.org/details/IrodovProblemsInGeneralPhysics/m...). Every problem in there was something to wrestle with.
Modern Common Core seems very promising for teaching real number sense and a good foundation to think about things.
I don't really understand pateron when I have a donate button..but I imagine people who use pateron are doing better..

Gamification?
I also have a robot + mop combo from iRobot and it’s pretty good. Mine’s the more entry level vacuum without SLAM but it’s good enough. If/when it dies I’ll upgrade.
Well I grew up in a dry place that gets 42+ degrees celsius (over 108°F) so I absolutely don't mind wearing a light denim jacket in summer where I live now, where temperature barely reaches 30° C (86° F).

Cargo shorts can also be an alternative, though I understand in some contexts they might not be appropriate aparel.
I also think there's a fundamental conflict in their business model. Their nominal goal is to deliver maximum financial support to independent artists, etc. But especially as they go for IPO, their interest is using platform leverage to extract maximum cash from those same independent artists.

Personally, I've been using them to support creators for more than 5 years now, so I really believe in the model. But neither the software nor the UX has ever been great, and I'm amazed they've needed $165 million to get this far. If the people I'm supporting moved elsewhere, I'd quickly follow them and not look back. So I suspect they're going to have a very hard time giving their investors any major return.
It does move down the respiratory tract, but nasal epithelial tissue can still contain/produce the virus for awhile even after it "moves". For me, I was able to physically feel the inflammation move down from my throat to lungs to abdomen, but that was 5 weeks ago, and I just tested positive on a deep nose swab rtPCR given yesterday. A lot of people are testing positive for surprisingly long time.

I wouldn't be surprised if a light nasal swab like being discussed here doesn't pick up anything post-symptoms, whereas PCR with the deep nasal swab may still be detectable for a longer time after primary symptoms have faded.
I have never worked with Haskell but admire it from afar, and I'm honestly astonished that the REPL works this way. I would assume this would error at the compiler for a normal program, and that the REPL runtime would enforce the same constraints.
It's how municipal governments in Ontario work, and the focus in the media really is on the individuals and their actions. Obviously, sometimes it's obvious which party a candidate would belong to if there were parties[1], but that doesn't really matter.

Since there are no parties, there can be a larger variety of candidates with different viewpoints that can overlap, rather than just two extremes. And of course, councillors vote individually, which means the mayor has much less power than a party leader (each councillor is free to vote against the mayor at any time).

I really like this system, and am curious how it would work on a larger scale.

[1]: For example, Toronto mayor John Tory was leader of the Progressive Conservative party in the Ontario legislature from 2005-2007, so it's obvious he'd be a Tory.
I find this to be true. It seems like there was more focus on the very, very basics. Now there is a ton of filler and the content gets lost. E.g.:

https://www.youtube.com/watch?v=yYAw79386WI
Ask HN: Would you like Morgan Freedman read a book to you?
I'm working on a product where you can select a book, and a voice you want and I'd read out the book summary or review in that voice. Imagine Barack Obama or Morgan Freeman reading your favorite bedtime stories!

My questions are

1. I'm unsure about how to make it a good and useful product. What are some of the usecases? I can summarize blogs, books, etc, but what else?

2. What are the copyright implications here? Can I just take someone's voice and use it?
https://github.com/w3c/csswg-drafts/issues/1766 is the main link that explains it, https://bugzilla.mozilla.org/show_bug.cgi?id=1468684 is also useful.
Single place, consistent UI, my credit card details are already there. I can change my card / address for everything in one go. It removes a lot of friction.
MasterChef Reece: The truth about 35kg weight loss
I would, dependent on the price of course.
> Actually you can, you should use sys.std{in,out,err}.buffer,

That's fine for your own code, as I said. It doesn't help at all for code in standard library modules that uses the standard streams, which is what I was referring to.

> I think in 3.7 they changed default to UTF-8

Yes, they did, which is certainly a saner default in today's world than ASCII, but it still doesn't cover all use cases. It would have been better to not have a default at all and make application programs explicitly do encoding/decoding wherever it made the most sense for the application.
Patreon has millions of employees? Oh, your sarcasm is referring to the pandemic as a whole. Which I wasn't.
You’re probably right about “right-sizing.” I’m close with another company in this space, and they’re seeing their biggest growth ever right now. But they do have slight variances in business models, and maybe that’s making all the difference.
Disclaimer: I graduated from one of the top math high schools in Moscow in early 90s, I have MS in Math from Moscow State University, and a half finished PhD from the same place.

I think on average the difference between a high school student from Russia and US is negligible. Either country doesn’t really require much to finish school and many kids just do the tests without understanding what is going on. What separates Soviet Union (and now Russian) system is the practice of selecting kids with interest in mathematics / physics into special classes or schools for gifted kids. This government program feeds the mathematics and physics departments in the universities and allows kids who go through this program to get a very early start in mathematics. This is very similar to government sponsored sports programs with talented kids getting help with summer camps, or even all year round training schools.
Personal experience. In USSR till 16, then 11th and 12th grade in US. Yes, the books and the curriculum were way harder in the Soviet Union, but it's largely pointless.

In USSR, there were 2-3 kids in the entire class who actually vaguely understood the material and the other 28 were just copying their homework.

In a US high school, by contrast, you can choose to take whatever level of math you are able to grok (AP, College Prep, etc...)

Given the average results, I vastly prefer the US system. USSR system was a one size fits all that didn't work well for the average pupil.
I would say every company that has been around the block for a long time falls somewhat under #2.

Some companies have millions and millions of LoC to run their business and it takes months for someone to wrap their head around some of the systems and be productive...

You end up having people in departments that you would rather not lose and will go through great lengths to keep them because the cost of losing the institutional knowledge is just too big.
I like to wait a while before responding to contentious political posts, in the possibly vain hope of keeping the temperature below boiling.

Since you seem to be implying that I'm using a poor argument style, let me provide my own example of a poor argument style I see a lot nowadays:

The Dems do something dirty. They find something similar that the Repubs did, and publish 10,000 articles about it and scream at the top of their lungs, even if it isn't as bad. Then, when anybody points out that the Dems did that too, or worse, or first, you can accuse them of making a "both sides" argument and shut down any display of how bad their own side is. Nice little trick they have there.

Works even better when their media allies refuse to publish anything negative on them. Then you can smear anybody that publishes articles on the dirty things they did as "extremely far-right based publications".

Am I completely crazy here, or did Trump institute a relatively loose restriction on travel from China when this thing was kicking off, the Democrats screamed that he was an evil racist bigot for doing that? Then later, they screamed that he was incompetent for not instituting a more severe ban earlier on.

I find it interesting that the most extreme stuff seems to be coming from the press, admittedly on both sides. The actual elected officials in charge of stuff seem to be getting along relatively well. Republicans and Democrats, moderate and extreme, left and right, don't seem to have all that much bad to say about each other. Is that so bad? I'm fine with it. Maybe we could all focus on getting along and getting through this rather than trying to dunk on the other side for some imperfect calls made when nobody had enough information yet. I'm not perfectly innocent, but I'm willing to stop if you are.

I'll also add that I looked at the allsides.com site you linked. I'll admit that I wasn't expecting much, but I actually find their ratings to be quite respectable. I suspect many on the extremes of both sides would quibble with the groupings, but it seems like a pretty good first-pass on ratings.
Read, then reread, and still do not understand your point.

Are you saying that in Russia, since the education was free that the goal of the textbooks was to make it hard to want to stay in school, if so, to me, seems like it’s unlikely, but possible.

Putting aside non-Russian textbooks, what are you saying the intended reasoning of the textbook form was as it relates to Russian culture?
It's naive to think that Russian, Chinese and just fat trolls do not use HN as a resource for work and entertainment. Some entrance filter is required.
Werner Vogels has also disputed the claim.
as a chrome extension, your code pretty much already is open sourced. even of obfuscated, that's just a process of replacing named vars. It is fully copy-able, bit for bit.

I don't have any fist in the fight on privacy, just thought you should know your code is already out there.
I guess an argument can be made that forcing a restart of the REPL is a pretty harsh punishment, but I would expect Haskell (of all languages) to at least require some kind of tabula rasa.
Basic ended up on the Sega Saturn
No, I learned the multiplication table back in 1985.
In Canadian universities you typically have 3 to 5 levels of mathematics courses for students specializing in something other than math. The highest level of rigour would only be found in the courses for mathematicians, with physics, engineering and computer science students studying many of the same concepts but less rigorously and with comparatively little attention to deriving results from first principles. Was the approach the same in the USSR?
The 600 series is actually a relatively mature product line; there are only two models in this series currently, but there were many before them. The 900 series used to have the 980 and 985 in addition to the 960, but iRobot shifted its focus to the "e", "i", and "s" series. These are all brand new product lines, and I don't doubt that the e5, i7 and s9 won't be the last models in each one. Furthermore, I suspect the 600 and 900 series will be discontinued altogether in the next year or two. You just happened to be shopping for a Roomba while iRobot was changing their product naming scheme.
Why do you think they have no activity?
Funny, that’s how I presently program microcontrollers.
IMO, the point of textbooks is to educate people on some topic so making them as easy as possible seems like the correct choice. Outside of competitions, the value most people get from those courses is what them remember in 5+ years when their working not really the kind of symbol manipulation that makes can make things opaque.

That said, soviet style education produced a lot of great mathematicians especially relative to population sizes. But it’s not clear to me if that’s an outgrowth of better education or economic forces.
Everyone can learn to solve equations quickly if they’re forced to do it 1000 times. They might forget it the day after the test, the might not know why they’re doing anything, but you can be damn certain you know what you’re doing if just for that brief window in time.

It’s also clear if you’re succeeding or failing. I’ve noticed that private school parents in the US seem to hate homework. The kids get three optional problems a week and no tests. All the time that they might’ve spent thinking on their own about problems is instead spent in class, which really limits how much new stuff can be taught. The kids think they know everything because there are no grades. The kids that actually perform at grade level have private tutors giving them homework, while the rest are just playing fortnite and unable to do fractions.
Yeah, that's what I said, "poorly written" is a criteria that can be applied to belletristic more than to science text books.

Russian math books have just few words, formulas are the rest. What can be poorly written there?

Kidding :)
Here is a live dashboard of car sharing growth based on Turo/Getaround data:
https://www.sharelytics.co/blog/the-state-of-carsharing-car-...
and that right their is what usually keeps all these companies afloat with the convince they bring to the table..
We usually start a channel for each program, and each project gets a channel as needed. It works really well as an organizational scheme.
H-E-B also uses state-pride in their marketing campaigns and store branded products.

https://www.eater.com/2018/12/11/18133776/heb-texas-origin-c...
The opposite is the modern reformation of Say’s law. Supply creates demand, there’s a market clearing price for any quantity. (Cf. Sowell). Sort of a fig leaf of theory to promote supply-side economics.

The two must be interlinked but one person has an idea of a product that doesn’t yet exist, and the creation of the product creates demand. The other has the idea that demand causes suppliers to produce.

Build it and they will come. Another aphorism. Not generally true.

Car sharing is a great idea. The economics are difficult to convey to customers. Keeping enough vehicles in enough places to make it a reasonable facility is difficult, but required to make people see the value. It’s also very hard to convince people to go carless in their current life.
Can you suggest a few apart from the one by Geron? Thanks.
There are plenty of programs exactly like that in the US.
that's...that's like a 2/3 reduction at best
Please read what I said again, I think google should move more towards an integrated application that has several different kinds of communication modes in it vs. half a dozen applications in various states of languishing, usability, and availability.
I appreciate your clarification, but no that is not what I was trying to do. My intent, as already mentioned, was to highlight that the mortality rate among various categories of people doesn't tell the whole story.
Thus emphasizing the importance of controlled trials and regulatory bodies. It's not just the concern that it might not work - we can almost live with releasing that to the public accidentally. Its that it could actively cause harm. Thalidomide wasn't removed from the market because it didn't work, it was because it caused harm.

I know that people are desperate for anything to work during times like these, but that's also why healthcare has always attracted snake oil salesmen peddling their panacea. We build strong regulatory bodies and adopted stringent scientific standards to make sure we do no harm. Relax those restrictions at your peril. And however tempting it might be to feel hopeful because someone seems to have found a solution to a terrible disease, whether a pharmaceutical company or the president of the USA, wait for the data. Always wait for the data.
They may have meant finding a link to it elsewhere from a plaintext site, in which case they could sslstrip it. (Before more modern safeguards, at least.)
https://www.smithsonianmag.com/history/pledge-allegiance-pr-...

This article has a bit of a different viewpoint than the wiki page
Here's what their faq say:

"Who’s eligible for the free version of Microsoft Teams?"

"Anyone with any corporate or consumer email address can sign up for Teams today.…"

Those elusive "consumer email" addresses.

https://www.microsoft.com/en-us/microsoft-365/microsoft-team...
This is precisely it. I have a math-heavy job and play/write music, and the same phenomenon plays out in both situations: when reading sheet music or thinking in music theory is in your muscle memory, your entire conscious mind can focus on the actual, creative task at hand.

This should be obvious from any number of examples, from driving a car to typing as a programmer. Reducing the friction between your brain and your tools simply makes you more effective.
> University on the West gets its money directly from students

Actually, many if not most of them get the majority of their funding from government research grants and investments of their endowment, not tuition.
> Even his attempts below to walk back his position or re-frame his post as being somehow tongue-in-cheek fail basic logic checks

It was very obvious to me that it was tongue-in-cheek.
Willing to provide some background reasoning for this prediction?
Question: is that the official or unofficial policy? I know a lot of companies that are willing to look the other way–or even encourage contributions–most of the time, but if you end up doing something that they don't like they can and will come after you due the actual employment contract still being the standard verbiage that legal wrote.
Mark Zuckerberg in his FB post:

There's a lot going on in the world right now, but I wanted to share an update on our work in India. Facebook is teaming up with Jio Platforms -- we're making a financial investment, and more than that, we're committing to work together on some major projects that will open up commerce opportunities for people across India.

India is home to the largest communities on Facebook and WhatsApp, and a lot of talented entrepreneurs. The country is in the middle of a major digital transformation and organizations like Jio have played a big part in getting hundreds of millions of Indian people and small businesses online.

This is especially important right now, because small businesses are the core of every economy and they need our support. India has more than 60 million small businesses and millions of people rely on them for jobs. With communities around the world in lockdown, many of these entrepreneurs need digital tools they can rely on to find and communicate with customers and grow their businesses. This is something we can help with -- and that's why we're partnering with Jio to help people and businesses in India create new opportunities.

I want to thank Mukesh Ambani and the entire Jio team for their partnership. We're looking forward to getting started.

https://www.facebook.com/zuck
I suppose, but the actual process of hosting or sharing it seems a little convoluted. And, again, they could do all this without the source code, if their goal was simply to subtly backdoor it.
Show HN: Flipper Zero – Tamagotchi for Hackers
Takes a village. Thanks for being a part of ours!
I'm glad to hear that. In my area, the bike lane striping is a solid white line, suggesting that edging over is illegal. Bad UI, I guess.
A paraphrased anecdote I heard about French math education:

"In America, they start by teaching you how to add two numbers, then once you've mastered that you learn to subtract, then once you've got that down you learn to multiply and divide and so forth. In France they tell you: this is an arithmetic object. The operations on it are add, subtract, multiply, and divide. It's simple!

It's a good way of cranking out a bunch of Fields medalists, while everyone else has no idea what's going on."
I have had “donate” buttons on my work and I have had Patreon and I have gotten several orders of magnitude more money out of Patreon than any other method. Patreon has more than earned their 5% cut of what my fans are willing to give me for drawing weird comics that make no attempt to fit into what corporations are interested in marketing.