skysight-inc/HackerNews huggingface dataset:
Back in ca 2001-2005 I used to work my summer nights for a tiny electric scooter rental place that had about 10-20 working scooters at a given time, renting them out to tourists at a lake, and they were fun, especially after learning how to tune the controller for a nice speed boost (for staff use only, of course). There were no serious accidents in all the time I worked there, even though the main customers were flip-flop wearing tourists and kids, driving these for the first time in crowded pedestrian areas.

For all intents and purposes, they worked and felt like the modern scooters, except that they had quick swap, fast charge AGM batteries. If we wanted to run an errand the next town over that would exceed a 30-40min ride (30min was a typical rental period), we'd just pack some extra batteries!

Those scooters were custom inventions, but larger scale commercialization never got anywhere and the business eventually died because of the battery tech being too cumbersome for consumer use, and the same legal questions that still plague us today, though it seems like electric bike usage the past 15 years has allowed at least some legislatures to give alternative powered transport a chance. As they should, as replacing large lumps of metal moving through our cities at unsafe speeds with much smaller lumps of metal moving a lot slower can only be a good thing for residents, pedestrians, and the environment.
You have the deal with the bike afterwords. Go for brunch in the mission and your friends are going back to the outer sunset with a scooter just fold it up and put it in the car with a bike either hope it's there when you get back, bike all the way, or go home then head over alone.
I'm with tshannon, unsarcastically. It might even mean better for people morally, without affecting the person physically at all.
Brazilian real-estate startup becomes Latin America’s latest unicorn
Not your parent commenter.

Yes, I want to opt-in explicitly, even for heart rate when I buy Fitbit. The default should be do not track, do not do anything without explicit permission from user. This includes even harmless features and core features of a product (like heart rate monitor for fitbit).

This wouldn't be the case if companies played nice. We are well past that now. We can't believe pretty much any company online, not to sell data, mess with their users' privacy etc.

Explicitly opting in is a minor inconvenience compared to destroying everyone's privacy.
I suspect the parent poster is asking why the US Navy didn't keep it in better order at the academy, and not why the South Koreans didn't get a better ship.
A more reasonable statement is that increasing the scope of livestock operation in Brasil by one cow requires additional acres to be chopped down. The specific figure seems implausible; you'd think that a cleared acre can support a bunch of cows, not just one.
It's also a fun bit of "everything old is new again". The scrollbar color CSS this points out for Firefox originated somewhere in IE 3-6 when Windows 9X was briefly encouraging fun with scrollbar colors to better match content and there was a lot of applications that did so on Windows (it was the early WinAMP, Napster, etc era). Other platforms complained about how "tacky" such CSS was, and by the time Firefox implemented it most people thought it was a bad idea of the BLINK/MARQUEE school. It's almost strange this time to see it from the other direction of macOS web devs wanting more Mac-like scroll bars everywhere.
Aside from the fairly large costs involved in running multiple large international lotteries, you'd have to build checkpoints around massive areas, stop people from buying tickets off of the winners somehow, deal with the corruption issues, and other exciting unintended side effects.

All because a tax on a luxury (which tourism certainly is), wasn't fair enough.
What exactly is the alleged financial misconduct - is it just not investing money?

That doesn't make too much sense to me in terms of incentives. The VC will make this fee no matter what they invest in. They make more money if their investments go up, and they make the same amount of money if their investments go down. So there isn't really an incentive to sit on the money and do nothing. If anything VCs have an incentive to invest in stupid investments rather than sit on the money..
I thought I read something about how notebooks were based on Mathematica, but couldn’t find the article or source.

I think it’s fine that wolfram invented it, but it would be more impactful how more common and certainly more approachable techniques could further the computational essay.
"Value" is an extremely overloaded word. Even within the narrow universe of money, economics, and finance, there are many different notions of value (e.g. market value, book value, replacement value). More broadly, what most people intuitively understand as value is independent of money and hard to quantify, but that doesn't make it less important.

I do appreciate that people want to make something as important as value quantifiable, but like all measurements there are pitfalls, and I merely pointed out a rather important pitfall when attempting to measure value using money.
> Alas, instead of moving back, it goes to a different page because the all knowing designer messed with that too.

Well, that (all that incredibly important) bounce rate won't go down by itself!
This is a great point. I see people bringing up lots of questions and concerns about these devices, but it's missing a critical point: these were designed with specific use cases in mind. They are only useful for people in cities to go short distances. And within that scope, they are an excellent addition to other transportation options.

What you mention is actually what I want to build next: micro-mobility for larger errands. If I buy a trunk load of groceries from the Wal-Mart 6 miles from me, I want to be able to bring it home. I'm hoping to start designing devices that fit this use case. Once they exist, they'll provide tons of benefits: more affordable than a car, the ability to perform trips faster than with public transit, and more compact "traffic" on roads compared to cars (to say nothing of emissions).

Another use of these devices is actually changing people's life decisions. I moved to my current address because it's very close to a subway and trolley line. But now that I use an electric scooter to get to work, I could move anywhere that's the same distance. I think there'll be tons of these little wins found as the devices expand more. (I should note, my city does not have any rental scooters, but I see people riding their own all over the place)

As batteries get better, I think we're going to start seeing more variety of devices tailored for more use cases. The scooter will own the short trip into work, whereas larger devices will be used for cruising off-road, even hauling a sheet of plywood from Home Depot.
It sounds like you're looking for potential matches in the wrong places. If you're looking on Tinder you shouldn't be surprised that a lot of people just want to hook up. You might have better like if you spend time with more socially conservative groups. Churches often have social gatherings where you might have better luck finding someone closer to what you seem to be looking for.
Here you go: https://v8.dev/blog.atom

(found through the <link> tag on the blog)
> reference counts are exposed

IIUC this is also true for PHP but HHVM has/had some interesting techniques to deal with it, like pairing up and cancelling out reference count operations, and bulk changing the reference count before taking a side exit or calling a C function.
I don't see how that kind of SPA is any different than a heavy pro app. Those apps often come up with their own UI scheme that people either love or hate (and usually completely ignores system preferences). A few common examples (I specifically chose Apple to illustrate) are Aperture, Logic Pro, Final Cut Pro.

You're already buying into the whole app and there's good reason to not like the design decisions they made. I also think many companies overvalue the need for it.
I just assumed that Apple exposed some API functionality in Webkit that allowed more efficient low-level usage of the GPU hardware. This leads me to believe that adoption of the WebGPU technology will probably fail to break out of the Apple ecosystem.
Hello from the Year 2050. We Avoided the Worst of Climate Change
Well if you cook your burger for 15 minutes, the burger itself will start contributing to greenhouse gas emissions as well as particulates...
Yeah locking is... a bit awkward. Bring it into the shop seems to be the best way to go, but there will definitely be situations where that's awkward or impossible... a small cable bike lock in your bag or wrapped around the stem will solve those cases.
They need to prove he was acting maliciously. These cases are hard to win because you can easily say you thought you were doing the right thing.
Yes but, make sure your electricity is from a renewable source as well!
You can play without Ronaldo, though? Who pays the 10k? Is it unsuspecting kids, or rich people who don't care?
> "self-service checkouts (which were supposed to make shopping quicker),"

I don't see how that could ever have been the case. Self-service replaces skilled labor (employee cashier) with unskilled labor (customer cashier.) Why would that ever be more efficient? When you throw in matters like needing to wait for an employee every time somebody buys liquor or cough syrup, it's clear self-service is doomed to be much slower.

It seems to me, self-service is actually designed to reduce labor costs for the store.
One big way to improve on performance over WebGL is that WebGL exposes a slow layer on top of an already slow imperative API (OpenGL), while new-style APIs (Vulkan, DX12, Metal) are built around command buffers and state objects that you can assemble and then dispatch to the GPU in big chunks.

Think of it like the equivalent between calling memcpy(a++, b++, 1) in a loop and calling memcpy(a, b, n) instead.
Or maybe cars should obey the speed limit, pass at a safe and reasonable distance, and not road rage at people? I mean, why does every new alternative travel mode need to work around the unacceptable and lawless US driver behavior?

That all said, 25mph on scooter wheels sounds terrifying. I've seen some escooters with tiny adorable disc brakes. What's your stopping distance at that speed?
That definitely sounds like a failure of regulation. Taxes should be levied, and probably also subsidies put in place (from those taxes), so that train travel is cheaper than air travel. Train travel doesn't require nearly as much energy as air travel, per passenger.
I use a bike to get around SF the majority of the time as well. But lately I've been switching it up and using a skateboard for short trips. Riding the bike definitely isn't 'impractical', but the skateboard is so much less of a hassle.

You don't have to bother carrying a lock (or walk to the corner to find the nearest pole to lock it to for that matter). And, don't tell my Mom, but not fiddling with a helmet and lights is huge too.
Nope. Most funds have capital locked up. Ironically, this is kind of clear if you consider what would happen if the money was actually invested. You can't buy a company, and then just sell off shares in tiny batches when your investors need it. This is also why the liquidity crunch in 2007 was so severe, tons of people had money in funds that were locked up (and tanking) so they just sold whatever they could.

Btw, this is a huge problem with the industry. PE funds, VC funds, property funds...everyone does it. You even see mutual funds do lockups. It is a joke (and happens because liquidity transformation i.e. turning nonliquid stuff liquid is a fundamental part of the financial cyle).

The industry approach on this also varies. When it comes time to calculate fees, you pay based on the full amount. When it comes time to calculate performance, the numbers often leave out the opportunity cost of having your money tied up in govt bonds for months whilst the manager dicks about milking transaction fees from portfolio companies. Tails you lose, heads they win.

Seriously: the industry is a joke. Yes, some great people. The majority are not. Your average PE/VC fund is stocked with investment bankers who have never taken risk, have no idea about business (and, frankly, no interest), and are only concerned with earning fees on transactions. The number of people who are actually able investors is very small. They aren't being churned out of Oxbridge and Harvard (great salesman though...yes, and being able to convince a client they should thank you for a dogshit product is the real money maker...much easier than actually doing anything valuable).

Fwiw, I actually think Thiel is fairly competent if overrated (it doesn't sound like the issue is with Thiel either). Contrary to the article, he doesn't have a particularly good reputation either. He had one or two great investments but his macro fund perf was relatively poor. Definitely nowhere near wizard status (as an investor, as tech bullshitter he is obv legendary).
Yes, but specifically for their shopping product.

https://www.npr.org/sections/thetwo-way/2017/06/27/534524024...

The practice continues (and continues to worsen), at least in their US version. I can't speak for their European sites.
No, but I want to opt-in to fitbit storing, sharing, and in any way having access to my heart rate.
This article uses arguments like "Large quantities of dietary fat, with the potential to clog arteries in an otherwise average American" so casually I'm guessing most people would be shocked to find out it doesn't have much basis.
My stepkids' grandma designed databases until she retired.
The protocols certainly influence the designs but there’s always a level of flexibility in the clients (ie, browsers) which the app devs will still have to wrangle.

Some devs value consistency across platforms so their app always looks and functions the same. But I personally think it’s best to default to the system’s UI. Sure I can make it look Mac-esque on desktop Firefox on Windows but I’d rather it look and function exactly like every other windowed application they use on the platform.

There’s also nothing inherent in using JS heavy frontends like React which encourages non-standard browser behaviour. You can still present complex interactive elements while keeping scrolling and other usability stuff like back buttons, copy/pasting, form input behaviour (not breaking LastPass and browser autocomplete for ex), not losing form data on submit after validation errors, etc. You have to go out of your way to explicitly modify default browser behaviour, usually via 3rd party libraries added on to these frameworks.

Personally I found it was far more common in the jQuery world, which is still rampant among those awful prebuilt themes people and companies always use for their websites.
Correct, later courses force you to practice earlier skills. This is the mechanism these researchers stumbled upon. Plain spaced repetition explains a lot. SAT is definitely not meant to test performance of learning, though some people with very high SAT scores may be a bit more efficient or know tricks that are not widely taught - SAT is too easy to differentiate them.

Related knowledge strengthens already known things, and once critical maximum stability/retrievability is reached (optimally 7 or so precisely spaced rehearsals) it is pretty much cemented. Without optimal spacing, probably quite a few more repeats. At maximum stability/retrievability the exponential maintains "flat" form for a very long time. A refresher may be needed to get facile again, otherwise it may take a short while to remember and there may be mistakes. Even a trivial refresher will work though, chances to use basic algebra are many.

Principles SuperMemo SM-17 algorithm puts in quantification.
Here's a link with all the history and references to some other research: https://www.supermemo.com/en/articles/history

Thanks for the paper, though it's slightly wish washy, but still useful.
One of my friends recently took a job at Apple for less pay, and for a team she didn't like over a job at another company. She complains to me all the time about working there, while posting selfies and stuff at the campus. I don't understand why people do this.
It's an example of UI design conflicting with your expectations as a user are about how things should look and work.
In terms of R&D - Israel develops military research far cheaper than the US military industrial complex charges, and the results are shared back with the US. Some examples are the Iron Dome missile defense system, Predator Drones, Stuxnet, and early cell phone technology.
I would actually expect that to make the thing taste like meat, they would have to add a bunch of fat and grease. That can't be healthy, but I'm not really going to Burger King in the first place because I want a healthy meal.
> If we ban loot boxes in video games, why dont we ban Magic/Pokemon card boosters that you can buy from physical shops?

Because I can buy the actual cards I want on the secondary market and avoid the bullcrap that is booster-packs.

Secondly: Drafting and "Sealed" decks are extremely fun. Being stuck with only 6-booster packs worth of cards (no trading allowed) is great. You have enough cards to probably make a good deck. MTG is well balanced that some of the best cards are common (Lightning Bolt, Doom Blade, etc. etc. are "power" commons that would be a first-pick in drafts). So the drafting / sealed format ensures that most decks have the important, powerful, cards needed to make a decent deck.

--------

You can't sell skins on a secondary market. Heck, you don't even own the skins in a video game.

In effect, MTG is fine because the company who makes MTG cards aren't predatory assholes. MTG could very well become predatory in the future, but they're actually very well balanced in my experience.
Backprop as functor (https://arxiv.org/abs/1711.10455) is a paper that explores similar ideas.
If I push it, I can get to my closest bus stop (~1 mile away) in 15 minutes (assuming no waits for traffic, but my legs will be tired. On my bike, it's closer to 5 minutes, less if I push it. If I'm considering taking the bus, you can bet I'll need to factor in getting to the stop. As it stands, taking the bus to my job takes ~40 minutes if I take my bike, 50-60 minutes if I walk, which is really bad compared to my 20 minute commute by car.

I'm a fast walker, but I definitely wouldn't consider taking the bus if it meant walking everyday.
A French Worker Died After Sex on a Business Trip. His Company Is Liable
> This isn't the 50s anymore, you can't build the economy on folks with a high school degree who get a union job at a factory for 30 years.

Or perhaps high school should be teaching more advanced subjects. Compare US high school against the equivalent education level in Europe for example
And the other cool thing is the comet publicly named after himself https://en.m.wikipedia.org/wiki/C/2019_Q4_(Borisov)
Great hobby!
BUSTAH WOLF!
Transceivers: The Device Between the NIC and the Network
It's mentioned in the article, GPU calls (and validation) are done up front instead of in the draw loop. If the gallery is accurate though, looks like there isn't any validation right now.
You are right but it was based on math. Graduates made $32K more per year than non graduates. But it doesn't take into account that most graduates were in careers that pay more. Doctors and lawyers can really bump the average. We needed more honest reporting of this. How much do college graduates make more per year by degree? So then people know that a BA in art history likely has a negative outcome.
How much of that money is going to go to back to help feed poor kids and communities recovering in war-torn Gondor? HUNH?
I found this to be the opposite in Barcelona. I had a discussion with people who live there who said that since the majority of restaurant customers are tourists (a lot of whom travel on a budget, i.e. young backpackers) and will never come back, most (~70%) restaurants can get away with okay or even substandard food and bad service and still make a profit. So tourism is actually lowering the quality of restaurants. I think because Oslo is so much more expensive than a city like Barcelona, it has a much higher percentage of well-off tourists who are a lot more demanding and have more money to spend, so you end up with more and better restaurants.
I think going to college and then grad school provides more opportunities for innovation to take place. The debt loads of course don't help since they discourage entrepreneurship but you would hope that some enterprising state government would provide some debt / tax relief to encourage start ups in their cities.
I agree with your first critique but I think the LED comparison isn't helpful.

Unlike these burgers, which aren't aiming to be healthier, LED lightbulbs aim (and succeed) at using less energy than their competition and thus contribute less to climate change. If the burgers both were healthier and similar to beef then they'd be like LED bulbs!
In the US , the problem is dedicated Rail ROW to run intercity trains at a frequency where they are actually competitive with the car. Otherwise ROW acquisition tends to sink most proposals, and this not counting the actual construction costs
Scooters have no regulation and constant misuse. Yes cars are dangerous, but that's not what we're talking about, and you can't remove them, unless you plan to relocate everyone to urban areas, revamp public transportation in urban areas (which can't seem to be done, see California train), and figure out how to stock stores without trucks.
You also explicitly enable and train FaceID on an iPhone, yet Apple does not collect or store any biometric data anywhere but on your phone.

The issue here is the collection, storage, and potential use of the data by Google. Google should allow you to opt-in to them collecting that data anywhere off-device, but for now they do not.
The companies may not be claiming it, but it's still a surprise to many people who are used to Morningstar hot dogs and the like (which I believe actually are healthier than the real thing)
Oh I'm sure someone felt offended, whether they were actually inconvenienced or not. It's a typical reaction in some people: they don't see you mildly going about your business of picking tomatoes, they see the faceless e-scooter that got in their way earlier.
I live in a rent stabilized apartment in NYC and my rent is 3400.
Weird article. Next up: Electric cars don’t give you more exercise than combustion ones?
A note: EconLib appears to be run by the Liberty Fund, which is a group that certainly has a slant of its own[0]: an essentially anti-regulation stance in the name of personal liberty. I have attended a colloqium put on by a Liberty Fund-sponsored think-tank, and can attest to that slant.

I'm not saying the contents of the article is wrong, but just be aware of its source/publisher.

[0] https://en.wikipedia.org/wiki/Liberty_Fund#Criticism
> but about experiencing other cultures and having your world-view widened beyond what you see every day.

I think if you want to experience what a country is really like you need to learn the local language, or find a guide who understands that you want a "real" experience and that you are OK with going out of your comfort zone. Otherwise you are going to end up in one of the tourist containment zones around the world where every local speaks sales-oriented English, is hawking some trinket with the country's name on it, and the available food is pizza, fries, McDonalds, KFC, Starbucks and if you're lucky, an inoffensive variation of a local dish.
I do think we need to decouple healthy food and vegetarian/vegan food. After all no expects burgers to be healthy in the first place, and people enjoy eating unhealthy food occasional. Isn't there room for vegan junk/fast food?