skysight-inc/HackerNews huggingface dataset:
Hundreds of thousands per second isn't very high when you compare that to clickhouse or kdb+.
Criticism of interview practices is very common. However, I can't imagine that large companies that hire in the hundreds/1000s every year (say, FANG) don't have enough data to have optimized their interview practices.

These companies know in the last 10-20 years who interviewed who and the performance of everyone after hiring. With enough data you can:

- A/B test which interview questions better predict future performance

- how much each interviewer's feedback is correlated with future performance of the interviewee. Some interviewer's are likely terrible and they should not interview. Some interviewers at good at predicting future performance and they should interview much more if not full time.

- which interviewer provides biased feedback (women, minorities, etc)

Either these companies are not analysing this data and the interview practices may indeed be garbage. Or FAANG companies are analysing this data and otpimizing their interview practices accordingly and the process/results are actually as fair and good as it can be.
I watched https://www.youtube.com/watch?v=mh3-7F0SrAQ
a review of this `game` and wow, some amazing stuff can do - kinda feels like the vibe adobe flash had in the days.
Historically property taxes funded schools in CA and many other states. Yes, some recent other prop-related taxes like Prop-30 have been funding general funds in the pretext of supporting education (exclusive education funding was only for the first two years.. suckers!). Either way, Propery tax linked to education is something US voters are likely to support. Richer neighborhoods get slightly richer schools even though majority of the money is evenly spread.
At the large-ish global company I work for, there are many siloed groups, many who are make their own demand for full control over their own isolated infrastructure, and not just for data purposes (sometimes for workflow/process automation and control, and many other reasons).

The old, oft feared “shadow-IT” is a good term to represent what is actually an opportunity to recognize the opportunity for IT to reframe itself as the trusted service/platform/infrastructure provider and advisor, but perhaps not the only ones who implement and control every aspect of using that infrastructure going forward.

The extent to which digital technology has become fused with work, means people need more access and control over systems and tools within their daily work, but solid infrastructure, governance, etc. is still required. Clearly the trick is finding the balance between centralization and federation.

I think directions such as “citizen developer” and “data democracy” are not just fluff, but a pointer in the right direction of how to think about the newer classes of customer for information systems and technology.
Slightly off topic, but my dad worked on submarine engineering at that E.B. facility, and in related subcontractor / government roles, in the 1970s - 1990s.

He had lots of stories about major oversights making it WAY farther into the production process than you'd expect.
To be fair, until I got an electric car, I would not have known intrinsically that it takes about 10-30 kiloWatts to keep it moving under normal freeway conditions or that 120kW is a pretty solid acceleration.
Well, I'm the one with paid version of Sublime Text. And a subscription to Bloomberg . I'm not going to disprove your point, but not all of us are overly greedy )
Microsoft combines Windows and Surface, making it tougher on PC makers
Or perhaps incentives are misaligned. (When are they ever not?)
The error here was 70 tons out of 2200. That's about a 3% error.

You're not likely to catch that with simple order of magnitude rules.
Definitely agree - these folks are a class of customer and they are experiencing “pain”. It’s difficult to get there, as you have said, but I could not agree more, that we need to adapt to ease that pain. It’s actually a great opportunity.
Came to post this - the proposals are more of a publicity stunt than actually "opening" up ios platform to developers. And the reason they are doing it because others have started complaining about Apple's abuse:

> ... Apple’s closed system to prohibit users from setting third-party apps as defaults was questioned last year during a hearing of a U.S. House of Representatives antitrust panel. Lawmakers pressed the issue of whether iPhone users can make non-Apple apps their defaults in categories including web browsers, maps, email and music.

> ... Last year, Stockholm-based Spotify submitted an antitrust complaint to the European Union, saying Apple squeezes rival services by imposing a 30% cut for subscriptions made via the App Store. Apple responded that Spotify wants the benefits of the App Store without paying for them. As part of its complaint, Spotify singled out the inability to run on the HomePod and become the default music player in Siri, Apple’s voice-activated digital assistant.

It's good that Apple wants to avoid the fines and bad publicity and is willing to change its practices. But unless they change their philosophy and business model they will never be truly open and we customers will continue to be at their mercy and get screwed.

> ... The company currently pre-installs 38 default apps on iPhones and iPads, Bloomberg News has reported, including the Safari web browser, Maps, Messages and Mail.

Imagine that - Apple PRE-INSTALLS 38 DEFAULT app. We are used to complaining about computer and mobile manufactures that bundle apps on Windows and Android platforms but we accept this as a de-facto thing with Apple without a whimper. And this really, really really needs to change.

A developer should be able to use whatever rendering engine s/he wants to create a browser on ios and user should have the freedom to install apps from outside the app store.

Developers and users, who are both paying Apple, should be fighting for their consumer rights more aggressively rather than just giving in ...

And it shouldn't stop with just Apple, but every other corporate in the tech sector who are abusing their position due to lax regulation in this industry.
Patents for metal 3D printers and cheap methods for refining titanium expire in the next couple of years. That should be interesting.
I don’t want to pay for sites to be ad & tracker free, I want to rewards sites that don’t have ads & trackers in the first place.
You will get re-assessed even if you left the frame (or one wall standing). And new construction is reassessed. And even under prop 13, tax can increase 2% / year.

Prop 13 is not why California doesn't have enough housing. This is a lie propagated by teachers unions who flood internet forums with falsehoods.

California's problem is there are hundreds and hundreds of little "cities" each with their own restrictive zoning laws.

They need the state to overrule zoning laws and allow denser housing.

These local cities also cut "sweetheart deals" for companies and give them property tax breaks. So Apple or Facebook or anyone building a new campus pays bargain rates -- not because of Prop 13, but because the local cities have the ability to negotiate tax rates for these companies to encourage them to move in.
It is reall sad to see an intelligent writer imply an opposition between capitalism and preventing environmental damage. Capitalism with correct accounting of environmental externalities and clear cost signals to polluters would work fine. Any command-economy solution opens many cans of worms.
I suspect that retroactive assignment of costs to polluters is in our future anyway, as the damage is also very time-shifted.
It seems clickhouse also has most of those features, but is not considered a time series database. Is that wrong?
But did you know that it was over 1 kW and under 1 GW?

(And if no, were you enrolled in a Physics Electricity & Magnetism course at the time.)
Like TylerE, as a lifelong US resident I am totally unfamiliar with this "iconic" yet unheard-of chair. You see monoblocs all over.
It might be a good read to see how other people are solving a problem. But I wouldn't use it directly. After looking at the code for a few minutes I noticed this: https://github.com/Viveckh/Veniqa/blob/develop/shopping-serv...

It makes sense that awkwardly hard coded hacks like this will exist in a startup's piece of software. But it's possibly full of similar things that might take a lot of effort to find, much less fix.

When money is running out and deadlines are looming its hard to have the discipline to not do stuff like this, and a startup's goal tends not to really be to build open source software for everyone to use anyways, so I'm not surprised something like this might exist.
> more in a “how should the communication patterns in this system work” way.

I guess that’s the point where I see so much overlap with tests. It seems like we’re talking about test inputs and test outputs.

Even with IPC or Distributed systems I often break problems down in a way that makes them testable in a local system with repeatable results. It’s not 100% perfect b/c you can’t account for all failure scenarios.

I do see your point though about constraints of the target language.
> But because they are also used for system-wide monitoring, they are read from all the time.

And this is the billion dollars mistake of the current devop culture. I believe we are doing monitoring wrong. Real time monitoring need no persistent storage. Troubleshooting does need persistent storage, but not monitoring, and unless your infrastructure is broken all the time then querying past data must occur only rarely.

From what i have seen, this mistake seems to stem from the web culture that tends to favor designs centered on a database. Whereas you want your real-time monitoring to be centered on stream processing, with one output to the persistent store for later retrieval.

There is no good reason for your dashboards nor your alerts to hit a database every few minutes, this design is just wrong.

I'm actually working on the prototype of a stream processor tailored at small scale network monitoring and would welcome any discussion/criticism on this topic. Notice that "small scale" for a stream processor is much larger than "small scale" for a database, and that i believe a good stream processor capable of running arbitrary persistent queries for monitoring on the order of a million data points per second should fit a single server and be more than enough to monitor an above the average sized business infrastructure.
Good points, but it's probably not "empty land" we're talking about. Instead, it is an existing development which is not the "highest and best use". Prop 13 means underdeveloped properties can still be quite profitable in CA, and that is what discourages redevelopment.

Also, I'll add that these places are often owned by a trust. Someone in Florida is getting a check (they need) every month, and they aren't bothering the trustees to maximize the investment potential.
The advertising Spotify slots into your playlists is hardly unobtrusive...
While the roots have been known for a long time, my impression is that the key paper that started this line of thought was Marco Cuturi's NIPS 2013 paper "Sinkhorn Distances", which is, IMHO, a very nice read.
One way could be to have an additional "thread_id" in your database that just points to the root of the given thread. Boom, problem (naively) solved.
Shared cache is going away: https://news.ycombinator.com/item?id=21429621
> creates piles of indestructible garbage

This is a serious conflict with the other complaint that they spontaneously disintegrate under exposure to sunlight.
Well, I can tell only for my self, but pay-per-view for a broad selection of sources will be a godsend for me, and I'll be willing to spend much more than I'm spending currently on my subscriptions; if there would be an easy way to revoke payment in case article is a clickbait , then this will ensure friction-free payment is the viable option
> knowing a lot of shit is...

> population of New York City

15 million?

> and the weight of a Boeing 747

600 tons?

> and the number of languages spoken in the world

15,000?

How'd I do? I don't know any of these though, I just guessed. I think I'm probably within an order of magnitude but I'll let you decide.
Our First Purchase Was Our App
Sometimes people leave the TV on.
The concept of punctuality in modern society (and how and why it was enforced, and where its culturally applicable and where not) is more broad that this or that individual being punctual or not.

It can grind one's gears (speaking of which, a classic example of critique against the mechanization of time in modern capitalism was "Modern Times" and its iconic clock scene) whether they are punctual or not. In this case, the absolute tone of TFA is what struck me.

Besides, the value of "struck a nerve" as an argument is close to zero. One could say just it as well against a doctor that rants against an anti-vaxing comment for example. Doesn't mean the doctor is wrong.
> I don't think standing on them is what they're designed for, that strains even the best built chairs.

My memories of monoblocs suggest that the problem is less that the chair can't take the strain of being stood on, and more that it can't take the strain of being climbed onto. They're not rigid bodies; getting on to one to stand up will shake the seat around like crazy.

Most chairs are much more physically stable.
> My (limited) understanding of LambdaRank is that their model empirically minimizes NDCG, but does not have a strong theoretical backing for why it should work.

That's akin to saying that minimizing cross entropy empirically maximizes accuracy but there's no strong theoretical backing for that either

LambdaRank is one way of getting a smooth differentiable approximation to NDCG by slapping a sigmoid somewhere. The paper we're discussing now offers another way. Hard to say which way would turn out to be empirically better on problems of practical significance without actually experimenting.
The Beginner’s Guide on How to Use Snapchat for Marketing
“ Capitalism with correct accounting of environmental externalities and clear cost signals to polluters would work fine.”

Given the history of the past half century of regulatory capture of the U.S. government by corporate interests looking to pollute, e.g. the decontenting of the Clean Air Act, the Clean Water Act, the appointment of industry insiders to the leadership of the E.P.A. and the Dept. of the Interior under Reagan, Bush, Bush II, and Trump, this statement is Naïve at best and an outright lie at the worst.

Take your polemics elsewhere.
Does Scroll work if I block third-party cookies?

Update 10 minutes later: It isn't working for me on theatlantic.com; I got the "free articles" drawers and then got blocked after they counted down to 0. So perhaps the answer to my question is "no".

I can whitelist third-party cookies on specific sites, but I don't think I can whitelist a single cookie across all sites. This seems unfortunate.

Update 30 minutes later: I tried disabling both cookie- and tracker-blocking in Firefox and still saw no sign of it working on theatlantic.com
I read this question more generally as I have just revisited it myself in the past week.

For me this isn't just a question about Google Fonts. It's a question about jQuery and React and any common js lib off a CDN. And it's even a question about DLLs. glibc, zlib, .net. If it doesn't ship as part of your product, but your product can't work without it...

There's the problem of malicious replacement. There's the problem of disappearance. And various other problems.

On the other hand, there are all the positives. One upgrade at one URL and tons of dependent software gets a free security fix or performance fix or what have you. There's better caching. There's the speed benefit of CDNs. There's the lower memory consumption of DLLs.

This time around I have decided to self-host. But I don't think there's one right answer.
I’m confident we will eventually elect someone who will make tax filing more automated. The government already knows how much you owe. It’s ridiculous that we have to essentially guess and then have them tell us if we’re right or wrong, with huge consequences for the latter.
“ This website runs on a solar powered server located in Barcelona, and will go off-line during longer periods of bad weather. This page shows live data relating to power supply, power demand, and energy storage.”

Neat!

https://solar.lowtechmagazine.com/power.html
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Strawman arguments aren't "usually a hallmark of the intellectually honest" either.

I didn't randomly invoke racism.

I made an argument which you omit here: that the concept of punctuality is cultural and relative, and that the author's blanket "You Are Rude and Selfish" is thus racist. The same exact accusation has been used historically to create the "lazy" / "laid-back" black, middle eastern, latino, african, etc stereotype...
Refactoring I don't know but you can keep all your logic for some task inside a microchip then create input and output handles to hide the inner workings. Then you can publish that microchip as a element for other people to use in their creations.
A Ponca man named Dust Maker from 1898
It's easy to assign the cause of the damage on a few rich people, but the reality is that billions of people are dependent of cheap oil, even if this way they are destroying their future.

Many people were surprised by Trump and Brexit (both bringing deregulation of the oil marker), but it looks like the voters really knew what they are getting, we just may don't like it.
> In this case JACK's primary draw over PA/alsalib/whatever is solely the lower latency, for responsiveness in live performances.

I see you included ALSA as a library which you claim wouldn't hit as low a latency as using JACK. Is that what you meant to write? If so, what situation do you have in mind where sound arrives at your ear faster by way of app->JACK->$foo->speaker vs app->ALSA->speaker?

I ask because I'm only familiar with using JACK where $foo = ALSA backend. It stands to reason that JACK-handing-off-to-ALSA cannot possibly achieve a lower round-trip latency than going straight to ALSA. And the round-trip latency measurements I've read to compare those two routes confirm that reasoning.
Wait, what? That's not what I heard. I'll ask the team and look it up, but I was almost sure it was a contract instructor.
I had fun soldering together Heathkits, and wound up with something useful at the end! (One was a PDP-11 computer, that I idiotically sold.)
That article is missleading, the actual statement is this:

> Four meticulously orchestrated Google interviews could identify successful hires with 86 percent confidence, and nobody at the company—no matter how long they had been at the company or how many candidates they had interviewed—could do any better than the aggregated wisdom of four interviewers.

So it isn't that interviews have zero correlation, it is that they fond no case of a single interviewer being better than the aggregate of four algorithm interviews. And as you see, four algorithm interviews combined have a very high success rate.

https://www.theatlantic.com/business/archive/2016/04/the-sci...
Only the portion that is being remodeled or added to the existing home is assessed. The final assessment resulting from the new construction is then added onto the factor base year value.

They only assess the changes.

It makes sense.

Otherwise if you're paying $1000 per year in property taxes (instead of $12,000) and you put new countertops in, you'd be hit with a massive reassessment.

They even give an example in their fact sheet[2]. Adding two bedrooms would add $200,000 to your base assessment which is set by Prop 13.

[1]https://www.sfassessor.org/property-information/homeowners/n...
[2]https://www.sfassessor.org/sites/default/files/uploaded/ARS_...
True, it really depends on the allocator.
This is the biggest problem with people who oppose Prop 13. They claim that owners "never sell", however if you look at the number of sales, there's nothing to suggest Prop 13 stops house sales. It's basically a lie, and there's no actual data to suggest that California house sales are drastically lower because of Prop 13.

California has 39,512,223 people and 441,900 homes sold in 2018. https://journal.firsttuesday.us/home-sales-volume-and-price-...

Texas has 28,995,881 people and 344,030 homes sold in 2018. https://www.prnewswire.com/news-releases/texas-housing-marke...

Florida has 21,477,737 people and 277,827 homes sold in 2018. https://www.prnewswire.com/news-releases/flas-housing-market...

New York State has 19,453,561 people and 134,066 homes sold in 2018. https://www.democratandchronicle.com/story/news/politics/alb...

I used 2018 data because I couldn't find consistent 2019 data for all those states.

California has 1 house sold for every 89 people and Texas has 1 house sold for every 84 people, Florida has 1 house sold for every 77 people and New York state had 1 house sold for every 145 people.

Per capita, the rate of housing sales in California is not so disparate compared to the other large states, so anti-Prop 13 people need to come up with real data to show how Prop 13 is actually affecting things instead of whining about how existing home owners don't pay their fair share.

There's nothing to suggest that Prop 13 has affected real estate transactions in California. And especially in the Bay Area, the amount of turnover is healthy. In my city alone, I used Redfin to calculate that about 50% of the homes changed hands over the last 10 years. That means that the property tax was getting reset to more current levels.

If you look at the property tax rate that California pays, it's higher than Florida and New York, but less than Texas. However, Texas doesn't have state income tax, so overall the taxes being paid in California are exorbitant compared to other states.
You didn't answer the question I asked.
Frequent Flyer Kickbacks
> This solution will be SIGNIFICANTLY slower on any modern CPU. By a wide margin!

I'm not an expert and would know more. Can you point out on any benchmark demonstrating those claim? Would love to see the actual number.
Any good tricks for catching these sorts of errors?

I'm a theoretical fluid dynamicist. When doing math I'll typically check the dimensions, order of magnitude, bounds, functional dependencies (anything missing or something there that shouldn't be?), overall trends of an equation, and limiting cases. For solutions to equations it's useful to also plug the apparent solution back into the equation. Another check ideally comes after waiting a while so that my mind is fresh. Sometimes what I did seems dumb by then.

Coding up the math is useful too. I've found that I can never add too many assertions. I might have caught the error described in the article as I often use assertions to check bounds.

Peer review isn't as reliable as I'd like. When it comes to math, most people seem to "rubber stamp" it. I can recall reviewing a paper that had math problems that were fairly obvious to me. For some reason I got the reports from the other reviewers, and I was the only one to notice...
One of the smartest things we can do is learn from the mistakes of others.

Unfortunately most of us think we're too smart for that.
Look at idris - proofs are expressed using dependent types which allow full propositional logic and implementations exploit these proofs using a haskell like language that allows imperative + purely functional code: https://www.idris-lang.org/
8.6M
360 tons (takeoff)
6500

Your approximations are pretty good! Next time just divide by 2 and you’re good ;)
Show HN: JAI: A Lego-Style Deep Learning Library on PyTorch
Can someone please comment on the picture? What is bottom-righty part, which looks like some device?
Show HN: In Nius.tv we use an AI anchor to tell you the news
You seem very confused about the subject and human nature for that matter. I don’t know how to help you.