skysight-inc/HackerNews huggingface dataset:
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Like others have said, this was just a 15 minute halt when the Dow/S&P 500 dipped to -7%. This can happen again at -13% and trading will flat out stop at -20% [1]

[1] https://www.investopedia.com/terms/c/circuitbreaker.asp
Maybe it should have been company brands only, so: playlist.spotify.new or sheets.google.new. Oh well
Yeah, I'd say this supports my hypothesis, in that the article is about whether or not good honey was rejected by the processes in place, not whether bad honey was making it onto shelves despite failing tests.
I kind of think that the Fed will not let this go too far in the middle of an election year, particularly given Trump. But yeah, the market was clearly overextended, and stock price growth was accelerating.
Chatting on Matrix/Riot with end to end encryption from within Emacs
Your original comment states that it is “dysfunctional to have friends at work”. We absolutely disagree.
What programming language is that?

I can't read it enough to understand the article.
Yeah I'm about to setup a darkroom in my bathroom. I already develop myself but I want to get into printing. Doing that on the go during an Antarctica exploration seems like a pain in the ass though.

It's simpler with slides because you skip the print process, but developing slide isn't nearly as easy as b&w. It's 10+ steps process [0] and temp is critical vs 3 steps for b&w. You can also make slides from b&w film if you're adventurous: https://www.bhphotovideo.com/explora/photography/tips-and-so...

[0] https://en.wikipedia.org/wiki/E-6_process
>MCAS, an FBW-like system

As WalterBright says, there is nothing 'FBW' about stability augmentation systems. In various forms these have been installed on all commercial jets for decades. 'Fly by Wire' simply means that there is no mechanical/hydraulic linkage between the stick and the control surfaces. The 737 MAX is not an FBW aircraft by any stretch of the imagination.
In a utopia where all engineers have the career progression of a labourer that could work.

Companies pay extra for background and expertise. The title shows how much responsibility an engineer carries under his/her registration. If there are any project blunders, the senior engineer's license is on the line and other legal implications lower level engineers don't have to worry about.
Yeah, pretty much. 1+ hour of my life that I can't get back that's just getting from point A to point B to generate wealth for someone else. I can generate wealth for someone else at home in my sweatpants just as well thank you very much.

Plus the MMM guy calculated that each mile you shave off of your commute saves you like ~700 bucks a year (driving). I haven't owned a car for 3+ years so that's moot to me, but the not-having-a-car cost savings have been fantastic.
>Either they are an indicator or they aren't.

Because after the inversion the market (and Fed) reacted? No indicator is infallible or static.
(I'm not a trader) if I wanted to watch the market with a near-real-time dashboard, does that exist?
Some do.

Portrait style ones are the BB Key2 or Unihertz Titan

Landscape keyboard is the Fxtec Pro1
Way before high frequency trading, to put some things in perspective.
Koyfin:

https://www.koyfin.com/home
I have a hard time making it through long posts, but for whatever reason I made it all the way to the end on this one.
I wonder if the guy is still in China right now?
The volumes on Vix futures are a fraction of what they were two years ago. Vix is shooting up but I assume it is following the stock market rather than the other way round.
Slightly unrelated, but why does the stock market close each night? If trading was open 24/7, we wouldn't have large spikes like this every morning. We'd only have them when certain news is announced.
Matter of taste; I cannot imagine having to program Java (give me Clojure/Scala any time if jvm is required) for a living anymore; deciphering a lovely 200000 class codebase where every call in every 30 lines bring you into a deep spelunking trying to figure out where/how/what and hoping it's not in some ancient undocumented .jar etc. So I have very much the opposite of what you have. Then again, I have been doing k/j/apl for a long enough time that I would not call reading it deciphering, most of the time. While for Java (& C#) it is always deciphering, even after 20+ years (which was when I became a professional Java programmer) because, unlike with k, you simply cannot know all the libraries and files or the brilliant imagination of people who like to use design patterns 'just a bit' wrong for everything.
Hah not a crash? Well it kinda is, and if it keeps going further down it will definitely cause a recession. The oil price drop was a huge punch in the gut, and I wonder what happens to US oil production if it stays this low for longer. Or well any oil production that can't compete with these prices.
Rust is great, but it's so young that even the ugliness we knew about from a couple months ago is better known than the ugliness of today. The latest stabilisation of async/.await has me hard at work forgetting all the pre-futures-0.3 stuff I'd learned.
I feel like "this is an automated control" would be more accurate that common practice.

This is _extremely_ rare.
Correct. 7% decline is a pause.

If it drops 13% it will pause for another 15 minutes.
If it drops 20% it will end trading for the day.
Teaching music practice does wonders in this regard. :)
I've seen a few posts here and there over the years about array languages, but I can't recall any (or any discussion in their comments) that have mentioned any disadvantages beyond more human factors.

So for the k/q/APL/array language gurus out there: in what situations would I not want to use k or another array language, if the relative obscurity of the syntax and mental model were not a factor (e.g., assuming you, your team (if any), and anyone who would ever look at your code would be very familiar with the language and idioms)?

I may not want to choose Go or Java because of latency concerns, or Rust because of compilation speed/iteration time concerns, or C/C++ because of safety issues, or Python/Ruby/Javascript because of performance issues. Why would I not want to pick k?
Not op and on mobile, but I have seen the CoG shift mentioned in threads and articles before on this topic.

Would love a source to confirm my memory though.
Why a coronavirus quarantine in the US is a bad idea
Indeed. S&P 500 is still not even below of what it was in the end of 2018 after the last major instability. Partly thanks to this, 2019 was a marvelous year with stocks gaining almost 40% during a single calendar year.

My reading is we're in a normal correction that has been exacerbated by COVID and last night's massive fall (-30%) in oil price.
How “anonymous” is a feature from a social media company operated from a totalitarian state?
According to Planet Money/The Indicator the normalization of the curve is part of the pattern that happens prior to recessions if I remember correctly
Seems like we do then. In my eyes it's something that shouldn't be encouraged but also shouldn't be resisted if it happens naturally.

I've observed a lot of Stockholm syndrome in people in offices and that made me believe many are forcing relationships at work so at to make their workplace more tolerable. I could be wrong though.
Coming soon, AI prediction of what untelephonic voices would have sounded like! Starting with a detelephonised One Night in Bangkok.

https://www.youtube.com/watch?v=rgc_LRjlbTU
Co-incidence, I was just watching this starling murmuration on reddit in Ireland:

https://www.reddit.com/r/ireland/comments/ffm2l2/murmuration...
Those were futures the night of the election...

Futures have a hault at 5%

Normal trading hours have the 7% stop
polygon.io
Looks like Haskell to me.
I'm sorry to hear about that experience, that's not IMHO the way it should be. That leaves you the opportunity to take your knowledge and opinions elsewhere. This would not be possible if you got banned from Twitter.
The market was not always driven by computers like it is now, and people running it needed to sleep.
Exactly, and I like how you painted neither A nor B as evil at all. Which is how things move along so smoothly. Most people don't love the shit, they just put up with it.
The Robber Bank: Can America Ever Rid Itself of Wells Fargo?
Functional React components with generic props in TypeScript
> hypothesis[1] is that English has been learned by foreigners multiple times in the past and slowly lost it's more difficult native features (noun declension, many forms of inflection).

The claim that noun declension and inflection is harder to learn isn't well founded. If your native language has these, it'll be more natural for you. All languages have semantic declension and inflection, in the sense that context signals the kind of each word even if it's not syntactically inflected. For example in English the position of the word can signal whether a word is an object or subject "John hit Sally" vs "Sally hit John", the order of John and Sally signals who hit whom. In an agglutinate language you could signal this by putting a prefix like "John hit Sallyum" or "Sallyum hit John" would be parsed the same. My native language is Turkish, I've been learning English since I was 5 years old, but this "order matters" thing eternally confused me. It doesn't make sense to me when people say suffixes are more confusing than this order thing.
Great article, great technique and lot of on-point advice for intermediate level programmers, BUT, it has the same problem many functional programming advocacy posts suffer from: the code examples are given in a language everyday programmers will probably not recognize.

Don't get me wrong, I love functional programming. I use Haskell and OCaml with joy. I also read about Idris, F#, Elixir and such quite often but I can also remember when all of this was alien to me.

Useful advice requires accessible set of examples and the very first example in this article (basic calculator) already make use of sum types, pattern matching, higher order functions and recursion, in a programming language with a relatively low adoption rate.

I don't know a solution to this issue without giving extra burden to the author. They can use one pure functional language alongside with a widely used, strongly typed language (Typescript, C++ etc) in their examples but that's probably too much to ask for.

Maybe my understanding of the target audience is wrong and my whole criticism is obsolete. Please correct me if that is the case.

I have friends with 5+ years of industry experience with languages like C#, Javascript, Java, PHP and they tend to verify my claims about accessibility of these type of articles.

Does anyone agree/disagree?
Correction is way overdue. Problem is, Fed has no ammo left with interest rates at near zero. We're in for rough days, people.
The indicator is that it stays inverted for a quarter. It going back is not part of the indicator.
Python 3.7+: Counter(elems).values()

But we can play this game both ways. What's the K for (Counter(a) & Counter(b)).most_common(3)?
Easy Request Log in .NET Core
Maybe not:

HEADS UP, YOU ARE USING A WEB BROWSER THAT IS NOT SUPPORTED BY KOYFIN
This means that some functionality may not work as intended. We recommend using Google Chrome with our site.
Related:

https://www.jamesdysonaward.org/2019/project/airdisc-cooling...

And:

"Air Disc Cooling Technologies - a new form of cooling system"

https://www.youtube.com/watch?v=8vyYD2Rrh3M
Meanwhile in the US some are being charged thousands of dollars for going and getting tested.

Anyway, I wasn't talking about the care during the virus but the increased commonality of non-full-time employment, which in the US means you don't get health insurance at all.
The multi-trillion dollar question, though, is whether the Fed actually has much ability to help much with the current situation. Flooding the economy with cash probably isn't going to make people want to book a cruise anytime soon.
Compressing hours is good for liquidity and risk managers need to sleep, among other things.
It's F#, a dialect of ML, related to OCaml and running on .NET. Think "the love child of Haskell and C#".
https://www.wsj.com/articles/lessons-from-the-dot-com-bust-1...
> We are also announcing this week an “/e/ easy installer” that will make the flashing process much more easier, by pluging the smartphone to a PC and launching a dedicated application that will make most of the job.

Why do phones require device-specific builds and ROM flashing just to install a different OS? Why isn't there a phone out there with a normal boot loader that allows me to install whatever OS I want like I can on a PC?

I have a perfectly good phone, but I know I'm going to have to buy a new one eventually just because the manufacturer will stop supporting the hardware. Meanwhile, I have decades-old PCs that are running just fine.

Privacy is important. Removing Google from the picture is great. But I don't see this, LineageOS, or anything else taking off until we have a more accessible solution for installing mobile operating systems. An application that streamlines the flashing process is nice, but I don't think that's enough.
This is a pretty good answer: https://www.quora.com/Why-is-the-stock-market-not-open-24-7

TL;DR: Letting markets take regular breathers probably helps curb swings in the market. It also lets people who manage money get some sleep (though of course there are other markets open 24/7).
Now consider this:
Something generated by a computer, in this case music, has no intent.

But what happens if I curate it, judge it, only publish the best ones. Through that I add my intent.

Where is the difference between curating a number of computer generated songs into an album, and curating a number of computer generated sounds into a piece of music?

Both require some sort of talent, both add intent to something that a computer generated.
I think I understand your point, but thinking about releasing a hotfix over an old version is a way of maintaining multiple versions... I work once with a team supporting multiple versions of a really complex app(in the sense of a lot of features and DB entities). They support his clients (on-premises) with eventual hotfixes, one service-pack and one version a year.

Some times they were working on changes on a release before a hotfix was addressed, and with cherry-pick's like operations, they took the changes of the hotfixes and applied to the service-pack and new versions with less effort than before they used the model.

With a dev team of 10 programmers, 20 on IT support and hundreds of client's deployments they build a profitable business (subscription-based and in-site support) where the branching model helps a lot.

They spend less time managing the releases, switching context for priority support and dealing with more changes in less time.
It seems like virtual hosts would be reluctant to support it because it allows clients to move away from them. Vendor lock-in and such...
Your everyday investor probably shouldn't be shorting in ultra high volatility periods like this. Markets spike for one day in the course of leading to a recession leads to a margin call and you can't post collateral, then you're done. Doesn't matter if it goes to zero a week after.
I'm not quite sure what you mean by "nest". You can certainly have a computation expressed in terms of a defunctionalised initial algebra, which contains computations expressed in terms of different defunctionalised initial algebras.
> This is wrong. k programs aren't really random at all.

The k source code posted around here are certainly more random than a similar byte count of say Java code. Try zipping 1000 bytes of either.

> notation isn't golfing, it's a convenient way to express thought

Sure. But up to a point. And it seems to go beyond pure notation. Check out the interpreter posted here: https://bitbucket.org/ngn/k/

It _requires_ a readme file to explain the file names. That's not convenient by any sensible measure. And the same goes for variable and function names. Take the xml parser[1], "xd". How would a new user know what this did without checking the definition?

[1]: https://a.kx.com/a/k/examples/xml.k
The Need for a Chief IT Compliance Officer
Everyone looks at tooling like Gatsby+netlify to support their dreams of a JAM stack, but vanilla html/JS/CSS can do a lot written by hand too. I recently replaced a whole WordPress blog by saving it from the browser and cleaning it to the point where non-devs have an easier time updating it on GitHub than struggling with the mass of config pages and plugin shortcodes they needed before.
> This will be blamed on COVID-19

Good. Because I don't buy for a moment that without COVID-19 the situation would be what it is now. Hindsight is 2020 and predictions of doom and stock market collapse is a dime a dozen.
Interesting. I grew up understanding that Starlings are a pest species and are the one song bird that your are allowed to shoot — in fact you are encouraged to shoot on sight. They are the gang members of the songbird world since they are hostile to other birds and like to parasitically destroy other birds eggs and replace them with their own.
I switched a few month back and it's still painful for me. Plain search results are OK but Google is so much better with deep integrations.

Some examples:

- I google a sports team, it shows me most recent results

- I google a flight number, it shows me flight status

- I google.g. nyse djia, it shows me the current stock value

Unlike the author of this post I very much miss these. Now this means having to click through and find this info on flightaware, ESPN, some finance page, etc. instead of just immediately getting what I want
The current circuit breaker rules went into effect in early 2013. There were different rules in-place prior to that date.
I've been skeptical of the whole yield curve as metric thing because it's not directly tied to the actual state of the economy directly just to the sentiment about the market X years in the future. Given how much we know the whole market is prone to group think, self delusion, and outright manipulation I've grown very skeptical of any indicator about the market that comes directly from the market.
This is widely being blamed on oil prices (edit: the virus would have been priced in last week to some extent, but the decision by Saudi Arabia to increase oil production happened over the weekend and hadn't been).
While the sentiment is admirable, I don't think it's anything to beat yourself up over. History has shown time and again that some inventions will happen when their prerequisites are filled — if he hadn't built it, sooner or later someone else would have. Simultaneous uncoordinated inventions of similar nature throughout history are a good example of this.
When Slack still had the IRC bridge, I participated in my company's team slack using Irssi. There were a few things that didn't work great, but it was so snappy compared to the official client and I could run it in a tmux alongside everything else I was doing (I was in a devOPS role; light on dev, heavy on ops). Plus it didn't fill my screen with animated gifs all the time... that was nice.

There's still a community I hang out with on IRC, and I started thinking about finding an IRC client for my new Macbook Pro (have been using X-Chat on Linux for months). Just the other day on HN I learned about Erc, which is an IRC client that's built right into Emacs. Tried it out last night and it's working awesome so far! Now if only the 8 Slack teams I'm a part of would switch over...
Not sure how you can say both sides are wrong. It is now spreading widely outside of China and most of the west is very much not ready.
Prior Art: "The Best Refactoring You've Never Heard Of"

http://www.pathsensitive.com/2019/07/the-best-refactoring-yo...
Insofar as everything is related to monads, yes ;)

In fact you don't need to use monads at all here. I've used this pattern on merely applicative non-monadic initial algebras before; in fact, the article's "arithmetic expressions" example isn't what I would call "monadic", because it doesn't readily admit Bind as currently phrased.

Worse, the "writeSmallOddToFile" example isn't even generic at all, so I don't think there's a reasonable sense in which it could even be said to be functorial.
There are sort of 3 classes of issues here.

a) The initial issue found, the MCAS system, which might be fixable by what you suggest. Except that would break the regulatory workaround for b.

b) A bunch of issues where the plane violates modern standards but has been allowed by abusing grandfather clauses.

c) New issues that have been found since the discovery of issue a that are not grandfathered.

The wiring issue being discussed is category c.
It's really not up to the Fed; they had an emergency rate cut last week and it was just a minor blip on the overall downward slide. This is a demand-driven crisis, not a liquidity crisis or credit crunch like 2008. Monetary policy isn't going to get you very far this time.
Only if restricted to the relatively arms length levers like interest rates. There's still plenty of room for more drastic measures like buying stock directly in companies like Japan has done or huge prop ups like a new WPA.
What are some overshadowed careers that pay well?
Careers that might never cross someones mind when reviewing their options. Great salary. Nice benefits.
Yeah, it's just getting started.
I wonder how different things would be if instead of those stepped halts, a super high granular delay is injected into the system. Like instead of halting, making it go on but in "slow-motion". And depending on the strength of the drop, the slow-motion factor to inject in the system.

I say this because halting tries to "cool down" emotion but it still "feels like" panic while making it all go slow would "feel kind of crappy yet normal" hence "buying" time to cool things down while still working.

Wouldn't that reward going up and penalize/protect going down?
Don't use indentation for blockquotes. HN uses indentation for non-wrapped lines non-proportional font.

Use > or " or *

> One possible explanation is the tests are accurate and the patients do not have coronavirus at the time of testing

> Alternatively, there could be a problem with the way the tests are being conducted... There has also been some discussion about whether doctors testing the back of the throat are looking in the wrong place.

> A final option is the RT-PCR test for the new coronavirus is based on flawed science.... if there is a poor match between the primer and the virus in the patient, then an infected patient could get a negative result.
> Either they are an indicator or they aren't.

Because:

* https://yourlogicalfallacyis.com/black-or-white

The link is statistical and not causal:

> Shortly after 6 a.m. ET on Wednesday, the yield on the 10-year U.S. Treasury bond dipped below the yield on the 2-year U.S. Treasury as the 10-year fell 1 basis point below the 2-year. The yield curve inversion has a strong track record of predicting a recession; each of the last seven recessions (dating back to 1969) were preceded by the 10-year falling below the 2-year.

* https://finance.yahoo.com/news/yield-curve-inverts-for-first...

Bond rates are like a thermometer or barometer. So the fact that (economic) storm clouds are gathering are not caused by the measuring instrument (bond rates), but rather the metric is reading the (business) atmosphere.
Direct link (since it's not easy to find in the article):

https://e.foundation/