skysight-inc/HackerNews huggingface dataset:
I would love to know what events exactly took place
during the hype, people and hedges bought in at 60 and sold at 300? And now there is immense uncertainty on wether the squeeze already happened?

I don't see GME falling below 40 anytime soon, the core group that started all of this should be holding if anything said until a week ago had any meaning or sincerity at all.
Just the people who hold should suffice to keep the stock above 50. How did it drop to 40 Euros yesterday?

And whats going on over at wsb? There's astroturfing, trolls, people who bought in at 300, the core that pushed the hold-narrative - who's to be believed? The post on r/stocks about the second squeeze? Man, what a ride.
Look at the chart. The VW infinity squeeze already happened in a way. What else do you expect? Old shorts were squeezed out, new shorts entered the bet. Too many people apparently haven't looked at the right side of the VW chart: the steep drop-off from the ATH of ~1,000€.

This is /u/Variation-Separate "market makers engineered next leg down all the way to SPX 1,800" all over again.

So many people are now holding the bag. They apparently also don't understand that in the stock market, the price is determined by the last transaction. If less people buy (and who should buy, because every gambler is already in), gravity pulls the stock down. Party is over.

And Musk should be investigated by the SEC a bit more often.

Edit: One thing to add: I refuse to believe that retail ONLY forced the price up. I'd bet some big players participated in the pushing of the price all the way up, selling at the top and now retail is holding the bag, because they thought they make up most of the volume, whereas they have been played.
I think that the limits imposed by the RobinHood and other happened in the meantime.
If you're in the market for an F# job in London, please reach out to me at Saul.Rennison@gresearch.co.uk. We have an full-time F# engineer open right now.
It was never going to happen. Look at the volume of shares that have been trading. There has been ample opportunity to cover any shorts. The conditions to force a squeeze never existed.

Furthermore, has anyone actually demonstrated Melvin actually shorted the stock? It would seem like they owned a few puts. Puts don't get squeezed, they just expire out of the money.
instead of finding ways to improve technology or marketing to remove peoples doubts they start suing for cash.
Great project!

To be honest I'm slightly annoyed whenever a github submission mentions the programming language for no specific reason.

Rust is a great tool but it doesn't matter unless you want to participate in this project.
Yes, Reuter is immensively disappointing in this whole gig, starting with the doxxing of DFV.

The media coverage is absolutely terrible, not only the silver-thing but also the silence on the SEC. It's truly disheartening
LEGO2NANO – Open-Source Atomic Force Microscope – What Is an AFM?
Holding doesn't make the price. You gotta buy if you want to push the price. And nobody got any money for that anymore. The narrative is dead.
Sorry that you got downvoted. But, I did not downvote you.
After the change of ownership came to light, I had installed the extension from GitHub.
Little Moons on TikTok
As an amateur astronomer and astrophotographer, I'm biased against the massive cost of the StarLink pollution fleet to our ability to gaze at the wonders above. I think the Vera C. Rubin Observatory is a much higher priority project for humanity, than StarLink.

That said, I think Elon needs to travel the world a little more. Several of his attempts to solve purported world-relevant issues may be founded in limitations present in the US.

1) I have been to the jungles of Cambodia, trekked across Myanmar, stayed in villages of central Iran, driven across the deserts North Africa. Never have I felt deprived on good connectivity, even in the deserts of Iran. Everyone glued to their smartphones like everywhere else. And I had a pretty strong case of FB-itis myself back then. Where there is a human settlement, there seemed to be a connection. As an anecdote, I recall having Skype calls with my folks from the Shwedagon Pagoda - it had excellent wifi ~7 years ago. Walking across a salt lake one can and should expect to drop our for a while. The only exception I recall is some village in Tunisian Sahara where locals made a point of not being connected (mostly expats). Ksar Ghilane, perhaps?

How is it that in rural US there is no alternative to satellite internet? There seems to be some local systemic failure. The rest of the world will be left holding the bag, so that people do not have to dig down some cables in Arkansas.

2) Building the self-driving car. It already exists everywhere. It is called the metro, tram, bus, tuk-tuk, rickshaw, whatever. It exists, and works great, servicing billions and if you exclude the latter options, safe. But not in N.America, where you cannot even cross a street without a vehicle. Thankfully, this seems to only use up VC money, without any externalities for the rest of the world.
TL;DR Gradle and Android users are likely to be most impacted, since a lot of their tooling has directed users towards JCentral in the past.

While JCentral is a strict superset of Maven Central, it means that there are some libraries/tools that are present in JCentral which will disappear. Given the short notice period (end of April 2021) it's likely this will take people by surprise when it happens, and at that point, there will be no way of recovering the libraries that you depended on to build your Gradle and Android projects.
Does time management work? A meta-analysis
I'm sure this is reasonably good but I just can't help but think we've been here before with MS Access and then XAML .Net.

Maybe this time it'll stick.
Worse even. It's in Reddit's interest to get the reader off your blog and into their app
The same reason you can reasonably call a lot of food that tastes good 'bad'.
I think it’s ok to separate the art from the artist, so to speak. The original site is indeed interesting and a nice example of Flash web design from the era, the Twitter acct doesn’t change this
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But the buyers were supposed to be the hedges, desperate to get rid of their short positions. Which is just another dimension: they surely bought more shorts at 300. But can they possibly have covered the majority of their positions? Because if not, this should go above 100 again, right?
We adjusted our culture, but our brains are likely the same as they were before the mega-cities came into existence. My point is that we shouldn't necessarily judge the technology by what's "natural" to us, i.e. "VR isn't going fly because we're social creatures".
Super Bowl LV: Oakland African American Investment Group NFL Stadium Concept
Isn't Starlink's main customer the USA army?
Instagram Unmasks High Profile 'OG' Account Stealers, Threatens to Sue
I agree with you: it is a bit of a "chicken and the egg" problem. I see it mostly as a tool that would be used/suggested by teachers, and that it would possibly be integrated in some editors targeted at beginners, such as Mu and Thonny. I have had discussions with developers for these two projects who all showed some interest in doing so when Friendly-traceback is more mature.
>"How does an AFM work?

An AFM ‘sees’ objects in the same way a blind person does, by feeling the surface using a long flexible stick; lumps and bumps on the surface cause the stick to bend up and down, allowing you to build a picture of it. An AFM is basically a scaled down record player which can read any surface, not just records, generating pictures instead of music. This idea may sound a bit confusing, but it simply sums up the basic function of an AFM.

In an AFM there are a few key parts; a cantilever, a laser with its optics system, a stage, a box of electronics and some vibration control. By taking these components and putting them together we can make a state-of-the-art microscope."

[...]

"One situation where we might consider using an AFM is when we want to see features smaller than 1um. In a really good AFM you can see surface atoms – yeah individual atoms –which are under a nanometre (over 1000 times smaller than 1um!). Not all AFMs can do this, but they can still get some big resolution improvements over an optical microscope."

Also:

"What's the big idea?":

https://web.archive.org/web/20150826220219/http://openafm.co...

https://web.archive.org/web/20150826192716/https://openafm.c...

>"LEGO2NANO is an international student project making real science accessible to young people, by developing low cost scientific equipment for schools and beyond.

Over the last three years of the summer school in Beijing, international and interdisciplinary teams of university students have developed their Open AFM—an open-source atomic force microscope assembled from cheap, off-the-shelf electronic components, Arduino, Lego and 3D printable /laser cut parts."

https://www.instituteofmaking.org.uk/research/lego2nano
On Reddit, especially /r/wsb, many people painted it to be a common folks vs. Wall Street hedge funds story. But I've always thought the reality was that it's a hedge funds vs. hedge funds story where plenty of big players made millions, if not billions last week, then shorted the stock at $3-400 and made millions more on the way down. The retail players were probably just caught between a group of 800lbs fighting gorillas. I wouldn't even be surprised if Melvin Capital made all their money back by shorting near the peak.

Additionally I'm beyond disgusted at how "any publicity is good publicity" turned out to be so true and Robinhood came out stronger than ever from this whole debacle: https://www.cnbc.com/2021/02/03/why-investors-were-willing-t...

> “It’s the fastest growing consumer app, and has better engagement than social media,” one investor said. “The majority of those new traders won’t be trading GameStop.”

Having "User Engagement" as a benchmark for an investing app is beyond immoral. Robinhood has always been extremely predatory at encouraging users to actively gamble with their investments, and utilizes all kinds of user manipulating tactics such as gamification that has no place in a finance app.

They will have a very successful IPO, and the top shareholders/investors will make billions, all from a product named Robinhood that excels at almost nothing but transferring wealth from the masses to the elites.

And it will be hailed as a true Silicon Valley success story.
I find the almost weekly reports of mentally impaired/ill people getting killed by police in the US much more dystopian.
Parent of students with school issued iPads, here.

I hate iPads now, but I liked them before the schools standardized on them. The bluetooth keyboard clamshell case they issued was balls. The restrictive app and network policy enforced by the district was balls. The litany of apps students were required to use beyond instructional materials was boggling. They essentially assumed students would be great petty bureaucrats and they were wrong.
This link has some details about what they were actually worried about - which appears to be that a nuclear weapon would trigger fusion of nitrogen nuclei:

http://large.stanford.edu/courses/2015/ph241/chung1/
That is quite cheap compared to competing professional XR headsets.

Varjo XR-3: 8369 USD
Canon MREAL S1: 39000 USD
Why? If I'm short GME, I'd just wait. Sure, I have to pay borrowing fees, but it doesn't matter if I hold for a week or a few months, if I'm sure it collapses 90% within a year.

Of course, I'm oversimplifying stuff like risk management, margin calls etc. but generally speaking, what forces a hedge fund to liquidate its short position?
Let her scrutinize, we welcome that. The question is what will her conclusion be? Will it be that social media manipulated the market? Or will it be that when big players got squeezed and got caught with their pants down they changed the rules of the game to avoid losing? Free markets right?
Stacker is a disk compression program.
Cisco reveals critical bug in small biz VPN routers
In the case of DOIs, https://dx.doi.org/${DOI} should also return the target article with no need to search.
If you like Raku, and the large Perl 5 ecosystem, you might consider going the path of Raku, as it allows 99.9% of the Perl 5 ecosystem to be used as if it is Raku, by installing the Inline::Perl5 module. Once that it done, using a Perl 5 module is as easy as:

use DBI:from<Perl5>;
If you do live alone, do you feel vulnerable using VR? Not being remotely aware of surroundings sounds like it has the potential to be disconcerting.
I thought they did. They haven't?
Depends on what you mean by read. The contents of your email are processed by algorithms and those algorithms are used for advertising purposes. Google employees aren't reading your email.
Blessings is no longer maintained, but the blessed fork adds window OS, keyboard input, and 24-bit color support and still makes regular improvements.

I co-maintain blessings and made the blessed fork because blessings development stalled by the primary maintainer 5 or more years ago

Also please mention rich another great library!

Best wishes all and make great CLI apps!! Happy Friday :)

https://blessed.readthedocs.io/en/latest/intro.html
https://pypi.org/project/rich/
Retail can not move markets like that and if you genuinely disagree, take it from somebody like Dr. Michael Burry, in a recent tweet [1]:

> The correlation coefficient between $GME and $SAVA today was 0.884648, nearly unity. Video game retailer on one side, biotech on the other. There should be no correlation but for.... Both traded multiple $billions. #BigMoney building you staircases and knocking castles down.

This sentiment is repeated in his tweets, though he often deletes them.

However, I am certain that the whole story was a ploy for whales to hide behind. But again, what do I know.

[1] https://twitter.com/michaeljburry/status/1357528669271388160
Ask HN: What is your production ML stack like? (2021)
I'm curious about your ML stack that is also used in production. What has failed, what has given joy?

Have you managed to set up a reliable "MLOps" environment with a small(!) team? What are the ingredients?

To what extent do you monitor your model inference performance? Is there an automated KPI tracking in place to make sure the new model architecture or a new set of weights perform as expected?

How much of your deployment has moved to an "ML Cloud"? Whether it's an AWS, GCP or Azure ML-specific services. Which are the ingredients?
Ask HN: People who have used the Clubhouse social network, what do you think?
If I were a conspiracy theorist I'd say the investment into Robinhood looks like the pay-off for Robinhood halting buys. Buys only, not halting trading the stock.

But I'm not a CT so who knows.
Sounds like it would avoid the risk of motion sickness too, as your movement in VR would reflect movement in real world.
A lot of people are saying that the hedge funds bought new shorts at 300 but if that is the case then who would have sold them at that price?
I'm conflicted about the free tier thing. On the one hand, I get that personal/non-commercial sites don't generate revenue - so shelling out for a comment system is unattractive.

On the other hand: the whole reason that shady, dark pattern, privacy killers like disqus exist is because people won't pay for stuff. It's at least partly cultural. We'll pay for hosting, or internet access. Why won't we pay for other services if they're valuable to us?

A large part is messaging from the ad-tech industry. Facebook's positioning in its spat with Apple is a good example [0]. "Free is your right!" "Free keeps small businesses afloat!".

"Free" is out the cage; it's never getting completely put put back in. But it seems inconsistent to both rail against privacy invasion and refuse to pay for stuff.

[0]: https://www.facebook.com/business/news/ios-14-apple-privacy-...
LibreWolf: A fork of Firefox, focused on privacy, security and freedom
Well you're going to have a hard to reasoning about it when you stick with the predator/prey, attention economy, zero-sum game analogies. A man running a site cataloging ancient internally generated IBM typeset documents... what higher unstunted form is he aspiring to - despite the machinations of unshriveled fish?
They've been trying to do this but they always put the 360 camera somewhere really dumb, like next to the goal (this is soccer I've tried it with) and just normal head height, so you can't actually see the game at all.

I agree if they put the camera somewhere cool, like right above the pitch kind of like god-view, that would be awesome.

Not sure I'd pay 3,500 for it though....
That’s not a bad suggestion, but it’s quite verbose (it would require declaring multiple variables as `var x, var y, var z` instead of `var x, y, z`).
On robinhood, their only sin through this whole situation was poor communication. Several firms had to restrict trading of GME and several other stocks because of clearinghouse restrictions. Robinhood was the first to try to explain publicly why they had to do that, and they explained it absolutely horribly.

With regards to treating investing like gambling, there's no real problem with that. There's definitely a market for it, and it's why /r/Wallstreetbets exists.
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Where do they get their shares from? They borrow it from people who don’t own it. Those people may want to sell — especially in the event that the share price grows. And when that happens in sufficient volume time to put up because the exchange is not going to fail to deliver.
Many hobbies produce things that are immensely valuable to society.
Charter counties rather than charter cities. Seems like the same growing idea.

Good for Nevada. Between supporting the Series LLC and being essentially fully automated as a Secretary of State for ages, they are being very proactive about working on that very difficult land.

Skimming other comments here: to think paper people ( legal formations ) are not already doing or intending this sort of immersive experience, or assuming that is automatically draconian, is cute.
It was originally a book, or actually a series of books, written and set in the 1930s. Great reading as a child, but to have such permissive parents - they barely make an appearance while their kids as young as 7 spend days at a time boating and camping - seemed as fanciful to me as Harry Potter. I wonder if it was really like that in the 30s.
PostgreSQL: What Is a Checkpoint?
You don't consider chromium open source?
What happens to the shares of all the people who install Robin Hood, lose their money and just delete the all. Do they just go stagnant?
This might be the case, but it could be said of any bet too that; "Oh I bet they made their money back or doubled in the end"

Trying to sqeeze a short is one thing, but trying to actively make them lose money overall is an entirely different beast and I'm not sure of any good example of when its happened.

One thing is certain, there are a lot of regular retail investors who are holding some heavy bags right now. :(
The requirement is to serve 600k customers
Yes, GKE containers, sorry about confusion... sometimes it looks like a node has disappeared without much shutdown work.
> Who wants to write a function that takes 50 functions as parameters? At least use a struct of functions. The struct serves as a vtable, so you might as well use an object-oriented language’s built-in vtables.

Okay, I think I see where we're missing each other. Church encoding doesn't have to be an all-or-nothing -- you don't have to commit to only function types and no other types. It's still useful when you apply it in localized contexts.

The key idea with the visitor pattern is that `A + B` is not a type you have in most languages. You can get an equivalent with generics and functions, but that doesn't mean you can't use products if it makes sense. The equivalent is an object with a method `<T> T visit(Visitor<T> v)`, where `Visitor<T>` is a pair of two methods, `T onA(A a)` and `T onB(B b)`.

Sure, you can always replace `(X, Y) -> Z` with `X -> Y -> Z` to get rid of even the product type, but that's not what anyone is proposing fundamentally here. It's just currying; it's not essential to the encoding being discussed.

The original blog post is using Haskell norms, and in Haskell, currying is very normal. But that doesn't mean it's a necessary ingredient of the demonstration. The key idea is to use a continuation-passing transform, to move the `A + B` value into the negative position of a function type (`forall T. (A + B -> T) -> T`), and then distribute over the function type so you're not relying on having a primitive sum type at all (`forall T. (A -> T, B -> T) -> T`). The extra step of currying (`forall T. (A -> T) -> (B -> T) -> T`) is unnecessary; it's just common in Haskell.

As you say:

> Who wants to write a function that takes 50 functions as parameters? At least use a struct of functions.

That's what `(A -> T, B -> T)` is. I suppose it could be confused for an argument list, but in Haskell, functions only take one argument. The type `(A -> T, B -> T)` is literally the type of a pair of two functions. It's isomorphic to a record type like `data Handlers { onA :: A -> T, onB :: B -> T }` -- you're just changing the indices from 0,1 to onA,onB.
While I mostly agree with you, as I too have traveled a lot (I've been to all 7 continents). I've been to many places with very poor internet.

Still, I think you're missing one very important point. The likely biggest user of this system will be the US military and Department of Defense. Just how they use the iridium constellation, only phone calls aren't enough in the 2020 and beyond.

They need the same system but with broadband speed _internet_. They can not be dependent on some other nations infrastructure and there are a lot of boots out at a sea and places where there isn't a cell tower.

The math just doesn't add up. Mark my words, the StarLink system will never work or be profitable without the US Gov being a major customer.