skysight-inc/HackerNews huggingface dataset:
> Instacart will often allow me to order more of something than is in stock

The dirty little secret of grocery delivery is that most grocers don't have an inventory system that tells them how many units of each item are on hand.

Most grocers physically count their inventory once a month or once a quarter, and they don't keep a running balance as products are received and sold.

That means they can't tell Instacart how much of each item is on hand, and they can't remove items from Instacart when they sell out.

So you can easily have a 15% to 20% no-fill rate on online orders, especially on lower volume items that don't have as much visibility or stock on hand.
You know, this kind of article pops up on HN every couple of months. And of course this is fine - it's great that people are posting about their experiences using a piece of technology!

But please do take caution to do your own benchmarks. Nothing is more frustrating than working with people who reject technology because they read a blog post about it, rather than delving into the details themselves. Different use cases, and all.

Anyway, great writeup, thanks for posting!
Switzerland is the exact proof that what you say about masses voting for the expensive things is not always true. For e.g they had a "votation" on minimum wage, and people refused because the proposed minimum wage was too high. They had the maturity/long-term vision of refusing such a proposal. But in other countries/context I agree with you, try to do that for e.g in France and I'm pretty sure people would instantly vote yes to such a proposition without caring about the consequences.

Maybe when you ask people often what they want they become responsible (like in Switzerland) while if you never ask people what they think, the rare times where you'll ask them through referendum, they'll go for the extreme/expensive because they want to express how frustrated of not being listened to they are.
I had YouTube Premium to avoid ads. Since the adpocalypse, more creators are adding sponsored content to their videos. So now I've got ads even though I'm paying.
Not dealing with ads and being able to play videos in the background on iOS are the two reasons I pay for YouTube. If I were no longer able to do that my YouTube consumption would drop dramatically.
To add an anecdote about Chinese chemical industry. When I was working in a lab, wed often purchase chemicals from China as their prices were quite good, if less reliable quality or delivery timing. Many times we’d order something that was very hard to make only to have the company come back two months later with “sorry we can’t make it”. They never actually had it on their shelves.

Anyways, I ordered a small quantity of a chemical and normally they are shipped as hazardous materials, specially packed with all the necessary forms filled out.

Well this order arrived in my mail box (?!) as an unmarked package. I opened it and there was a small vial wrapped in what looked like old clothing. No customs declarations or anything!
Here is a good little video by an evolutionary biologist detailing your point https://youtu.be/EsBvI9oSD1g
Wow, I have fond memories from when we tried porting GNU/Hurd to this. Good times! https://www.gnu.org/software/hurd/microkernel/mach/history.h...
Maybe. A lot of these already go unfilled today.

Some industries don't have the cash flow and ability to pay significantly higher like we have the luxury of in tech.
It's interesting to note here that the early years of machine learning (like
the first couple of decades of it) were almost exclusively dedicated to
learning symbolic rules, primarily in propositional logic. So if you pick up
older machine learning papers, from around the '70s and '80s, you can see that
the "models" are almost always propositional logic rules [1].

To cut a very long story short, machine learning took off in part as an
attempt to automate knowledge acquisition for expert systems, the dominant AI
paradigm at the time. Somehow, for reasons that are not entirely clear to me,
the goal of learning the rules for a rule-based system was abandoned and since
then research has focused almost exlusively on just learning.

As a result of this, most machine learning work today does not consider what
one can do with a trained model. And yet, just having, say, an object
classifier, is not very useful on its own. For example, a robot car must be
able to take decisions based on the objects its machine vision algorithms
identify. Although there are learning techniques that consider this
particular problem, i.e. navigation, there is little work on general inference
and reasoning over the output of trained models.

And this is not a symbolic vs statistical thing. I work in symbolic machine
learning, and we are pretty rubbish at that, too. It's like we have lots of
little pieces of a puzzle all lying around and nobody is really trying to put
them together. Instead, we each carve our little (or bibger) niche and pretend
nothing exists outside of it.

Why? It's a mystery to me. Gary Marcus is doing good to try and shake up the
field a bit. We need to move on from our successes just as we move on from our
failures. And he's damn right about the how, too: symbolic AI is due for a
comeback.

____________________

[1] For instance, you can see that in the foundational theoretical text for
modern machine learning, Leslie Valiant's A Theory of the Learnable where
the learning framework is described in terms of the propositional calculus,
with a concept represented as a predicate that recognises vectors of boolean
variables as members of itself or not.

And of course, probably the most famous representative of propositional logic
learning is the class of algorithms we probably all know as decision trees;
they learn disjunctions of conjunctions - propositional logic rules.
The road block for adoption will be Dart. Why they didn't just choose Typescript or go with native javascript is beyond me. No one uses Dart. It was probably the poorest design decision they could make.
I don’t think we’ll get an answer but the downvotes all came in a span of a couple minutes so maybe some partisan site linked to the HN post or something.

Down voters feel free to explain if you actually have a objection.
well, Hui is a popular name, but in certain slavic languages it means "dick", "penis". You just have to get used to it.
The thing I can't understand is why on earth would anyone want to leave an organisation like the European Union?
Does a content creator get paid if someone with youtube premium watches their video?
I'm going to set up a cronjob to test
It is all c++, works on macOS, Windows, Linux, FreeBSD. I could open-source it. I'd have to spend a bit of time tidying everything up. It actually has quite a lot of dependencies on each platform.
Founder/market fit (2011)
See my reply to @powerslacker.
Checking npmjs for availability...
Both are available.

Now resisting the temptation...
The conspiracy theories are pretty ridiculous.

However, the fact that fentanyl wasn’t illegal in China until recently and mail shipped from China is cheap, really opened up the flood gates until the authorities cracked down.
A lot of heroin users developed an opiate dependency using prescription painkillers, but once their doctor stopped giving them the prescription they looked for something else. Once upon a time heroin was the cheaper drug because fentanyl was only available by prescription; people with opiate dependencies wanted fentanyl not because it was stronger but because it was manufactured by pharmaceutical companies, which means specified and reliable doses and a very pure product.

Today the problem is that fentanyl is produced by underground labs using questionable processes, so it is basically no different than "heroin" as far as the danger goes. The reason I put "heroin" in quotes is that in reality people cannot know what they are buying on the black market; maybe it is heroin, maybe it is fentanyl, maybe it is a mixture, or maybe they are about to become a case study like this group:

https://arstechnica.com/science/2016/05/medical-mystery-how-...
But you’re not learning that from a persona, you’re learning it from talking to 100 real people. You can put that into a persona if you like, but it won’t give you any new knowledge.
It's not just about hosting. It's about linking, too.
I would have loved to have the printed version of this book. Unfortunately not available in India.
Terrain-following is significantly more complex than the most basic forms of adaptive cruse control. Radar works much better for tracking discrete objects moving at different speeds than mapping 3d terrain. This is why adaptive cruse control will often hit stationary objects and generally disengage at low speeds.

Remember, the aircraft needs to avoid everything in a line in front of it. But, they also want to stay as low as possible to avoid enemy radar, so it also wants steer steer around hills and even trees vs simply going up.
they are fugly
What's your basis for this view? Any good reads you can recommend?
I didn't say it was easier to get addicted. I said it was more difficult to dose safely.
"functional programming"
Because details matter. Here's an 8k image on one side and a 576 screen on the other side.

https://imgur.com/a/yqMu5VU

Don't forget to blow it up to 8k to see the full effect.

Bear in mind, if you're on a 65" screen you have to be at 2 feet to appreciate the image. Unrealistic for most purposes I understand, but at 1080p, you should be at 10 feet which is about normal. 4k should be about 8 feet which is the best viewing distance in my opinion for a theater type room. It is how my theater room is personally laid out.

8k in my opinion is probably as large as any home theater screen will ever need to be. I would not turn up my nose at being able to pause the move and step up to the screen to see some details. I already do that now on my screen.
> Now, the thought about "the EU attempting to regulate the internet"

The EU has put out a series of regulations and proposals including this, GDPR, and the proposed terrorist content regulation. It looks like a pattern to me. I know the EU is not the only government trying to do this sort of thing, but so far, it seems to have had the most impact.

This isn't just about copyright. It seems to me that it's a popular opinion in Europe that American internet companies have too much power, and the EU ought to rein them in any way it can.
Actually, we are paying $40 a month for each phone on a family plan but I was making an apples to apples comparison so I said $70.

How long will your $200 phone get updates? How long will it be fast enough to run the latest apps?

If you bought a 32GB 5s in 2015 for $499, you would still be getting updates and it is still as fast as most midrange Android phones. I bought a 64GB iPhone 6s in 2015 for $749 and just recently gave it to my son. It is still going strong, and if history is any guide, it should still get updates for at least another 2 years. It’s also faster in single core performance than any but the highest end Android phones.

https://bgr.com/2015/09/10/iphone-6s-iphone-6-iphone-5s-pric...
I was hoping Gist would become this, a place for sharing patterns and implementations so that devs would learn what they're doing rather than just blindly playing npm lego. But it doesn't seem to have happened.

I think the biggest problem with the JS community is that the mindset is always "implement first, understand second", rather than the other way around. It's ok to use libraries but you should at least have a think about how you would implement it yourself first, and understand at a basic level what's happening under the hood.

Whenever I've brought up this idea the pushback in the real world is absolutely insane. Here on HN people are more receptive to the idea, but in most companies the mindset is just "shortest path to implementation at all costs".

The ironic thing is that bigger companies, rather than giving their devs the time to learn, will force them to spend 80% of their effort on processes and unit testing to try and account for the shit code being produced in the other 20% of their time.
You mention beef and cow but missed steak and here is where it gets really freaky!

Beef is derived from boeuf. Beefsteak is English. Biftek is French and derived from beefsteak. So the French word is derived from English which was, in turn, French.

A quick search shows that the etymology of steak seems to be Norse. So we have a good old mishmash here. Anyway, the important point is that England invented the beefsteak and exported the concept to France. However they do seem to have accepted the baton and done a pretty good job with it ever since.
NoSQL is webscale.
peanuts compared to revenue from product placements
https://news.ycombinator.com/item?id=18574442
A comparative study: tongue muscle performance in weightlifters and runners
The biggest winners here are Google shareholders. There was no way Google was going to spend enough cash to successfully compete with the likes of Netflix and Disney. It's better that they pulled the plug early.
Not bad, but you need more visibility for your promotion. Maybe you could put it up on Confluence and highlight which Company Value each paragraph supports?
>> The secondary goal of the book was to show that that was possible to build the
primitives of symbol manipulation in principle using neurons as elements.

Just another note here to say that the original artificial neuron, the Pitts
and McCulloch neuron, was designed as a logic circuit with the ability to
learn its own function. At the time -the 1930's- the propositional calculus
was considered to be a good model of human intelligence.
And then the AIs took over.
I've grown annoyed with Amazon's ad practices. I filter by for example price, and there is something like 4 ads per page, nearly identical to the properly search results. Makes scanning a page a much more cumbersome so that you don't click on the garbage products they advertise.
That comment was only insulting if you believe that biology is not a hard science; an idea which is itself insulting, dismissive and farcical.

But, if a person does share that opinion, I can see how that person might be inclined to ignore tone, and focus on supporting that opinion.
Is there a name for CAC÷LTV?
I have a question. Marcus is saying that to get AGI, or at least get a lot closer to it, we need to combine ML with symbolic manipulation. Do you agree or disagree?
2019 is your last year to use Google Hangouts if you haven’t moved on already
I agree this does not solve abuses, but it sounds like it is net total a welcome change. The idea that we invite foreign students to learn valuable skills at our universities, and then don’t let them stay and contribute with said skills is bonkers. It honestly make more sense to require foreign students work in the country after being granted the privilege to go to school here in what may have been a domestic student’s spot (note: not a serious recommendation for a number of reasons, but the point remains).
Hmm, the "first few pages" end just before the "meat" begins.

From the table of contents, there seem to be short prose sections inteleaved with the teaching sections. I hoped to see an example of the teaching section, not the prose.
I'm sure you are right.

I don't know anything about language families native to Switzerland.

The census in Switzerland counts over 40 main languages spoken in Switzerland. 64% German.

https://en.wikipedia.org/wiki/Languages_of_Switzerland#Other...

In the US the census only counts 32 languages spoken at home. 70% English only.

https://en.wikipedia.org/wiki/Languages_of_the_United_States

Probably these are not comparable and this doesn't really prove anything.

> When's the last time Switzerland had a civil war

1847, but I don't understand how that's relevant.

https://en.wikipedia.org/wiki/Sonderbund_War

> Is there a deeply ingrained bias against other Swiss depending only on how they look?

Sadly, yes. Immigrating and becoming Swiss is difficult, but it does happen. Swiss with a migration background suffer a higher rate of racial discrimination.

https://www.bfs.admin.ch/bfs/de/home/statistiken/bevoelkerun...

I don't know how this compares to the US.
Yes. "Creators can earn money from advertisements served on their videos, from YouTube Premium subscribers watching their content, and in some cases, through viewer-purchased goods like Super Chat, Merch, and channel memberships."

https://support.google.com/youtube/answer/72857
Possibly: it's extremely strong, which means physical dependency kicks in extremely fast and hard.

Being strong (potent) doesn’t mean dependency kicks in any faster.
Switzerland is very heterogeneous in terms of language and mentality. The Röstigraben is clearly not a myth. However people accept those very high differences because it's economically going really great in Switzerland. (But of the day the economy is down, I think tensions might really explode, French vs German speaking have really different mentalities)
I remember having exactly the same experience, including the anticipation that I would benefit from it the way I would from Design Patterns. For most of the refactorings in the book, a bullet point in a list would've seemed a bit excessive, never mind a step-by-step sequence of instructions. In the end I literally threw the book away – the only technical book I've ever done that to.

I distinctly remember one of the things in the book, which in retrospect isn't even really a refactoring, called something like "null object". The idea was that if you were going to return null from a function (e.g. get student by ID but that ID doesn't exist) then you could instead return a concrete singleton object that represented null. That way, if you forgot to check for it then at least your program wouldn't crash. Now, the merits of this idea are debatable and I don't think I've ever used it in the years since. But I strongly remember thinking at the time that it was the only idea in the book that wasn't totally obvious.

There was a good chapter early on about testing, which I think was my first exposure to that idea. It was a bit brief but that's not a surprise given it was a bit of a digression from the main topic. A whole book on that might've been quite a bit more interesting.
TypeScript is one of the fastest-growing technologies in the JS ecosystem right now. It's unlikely the team is using the back button behavior as a way to get membership.

Incidentally, to which porn sites are you referring? Which of your favorite porn sites do you think do the best job with UI/UX?
Nice spot. Could be it. It would be unusual not to be given both legs' boarding passes at check in. Unless you have to unboard and board again at the intermediate airport. That happened to me in Singapore airport once (scary as only had < 1hr to do it), but that was 2005.
To repeat my question above: Marcus is saying that to get AGI, or at least get a lot closer to it, we need to combine ML with symbolic manipulation. Do you agree or disagree?
Octopi are interesting in that they evolved along their own path. The octopus eye has the wiring on the back, where it belongs, instead of on the front blocking some of the light, as most other animals with eyes do.
As with many other posters, I don't care one bit about the original content, have not even looked at one minute of it. But it's worth $15 for my family to not be subject to stupid ads. I'd pay twice as much. The business model here is not subtle, it doesn't require a big long-term investment or deep understanding. Just charge people money for the thing they want.

I consume a fair amount of technical content, on YouTube. If I had to watch ads, I would probably stop rather than watch. I've seen some technical content with sponsored products etc., and as I understand in the broader pop-culture content sponsor ad reads are now quite common. So even with the Premium subscription, the L shortcut key to advanced in seconds is extremely useful... I assume it will be taken away next.
The vast majority of youtube content I encounter is thinly veiled commercials of one form or another.

It's so bad that occasionally I'll ask myself if the overt and relatively easily defeated ads exist in part to obfuscate the more subtle advertising most content has become rife with.
Please don't kill hangouts. It's a more reliable platform for me than even whatsapp, because it is very easy to create a new email account and chat with people.

It's much more tedious for me to get a new phone number or burner phone.
Now that they have shipped products that do that I'd be interested to see what the folks at Apple & Android do next.

Have you seen Night Sight on Pixel phones? It’s pretty amazing.
The ppi don't tell the full story with OLED vs LED, since OLED has a different sub pixel arrangement (pentile) that isn't as sharp / legible. On the other hand, OLED has better contrast. It may not be pixels that matter in this case.
Ask HN: Beginner microscope set?
My nine year old daughter wants to get my eleven year old son a microscope set as a gift. We looked around at a lot of options online, and based on the reviews it looks like the cheap ones are nothing but frustration. What's a good beginner microscope set for somebody still in gradeschool?
Sounds you've got 5 minutes....to go download the cash app. We only use the cash app now.
In C++, many things carry the STD prefix.
How to Use a Company Page in Linkedin for Affiliate Marketing
> Winston Smith actually could hide for a while.

Actually, he couldn't. He thought he could hide. But we find out in the ministry of truth and room 101 that everything he did "secretly", like writing in his diary or his rendezvous with julia, were known to the authorities.

But I agree, unless we wake up, I think a mix of 1984 and Minority Report style of dystopian future awaits us.
I love it for the ad-free videos. I honestly didn't even know that original content was a part of the offering. But I'd happily keep paying for this one feature.
Being Turing complete makes them as powerful as any other digital computer, but it has little (personally I would say nothing) to do with our brain.
This is essentially just an asynchronous response to some request. I expect there are probably three cases:

1. Response is unimportant: do nothing

2. Response timing is not important: client polls

3. Response timing is important: server calls back into the client somehow

The article describes an implementation of point 2. Depending on the technologies available at the time, I'd argue 3 is probably more versatile. Both cases 1 and 2, and the blocking case can be implemented with case 3, if the available technology allows it.
The dream has a habit of changing once you find it. Its a Changeling!
> being a climatologist is what makes you qualified to speak on the climate

> If you don't have a PhD in the field, you don't belong in the big discussions where consequences matter.

Why?

I think what we need is accountability - there should be serious negative consequences for being wrong proportional to how strongly you stand behind an idea.

Were all the climatologists who were confident we were facing global cooling driven from the industry? Stripped of their academic standing?

Then why would I trust the industry?
Amazon lets you browse more of the book and you can get a better feel for it. The E-Book you have to suggest a price, which in theory seems nice to pay what you what, but now I don't know what I'd pay. :)
Be it with video or music, any level of resolution/quality is satisfying as long as you never got used to better.