skysight-inc/HackerNews huggingface dataset:
You're pretty spot on with this.

I think for startups in general you gotta blend a bit of those two strategies to be successful too. You gotta build a nice landing page to convince people you're serious to get some of those early meetings to convince other people you're serious.
You phrase it as if it was some community effort. Since it's opt-out and people don't change the defaults several levels deep, it's a shadow service. How many Apple users know their devices are tracking other's devices?
That's not buried at all. It's literally where I would expect to find that setting.

And it is opt-in... you need to enable Find My iPhone at setup time in order for that to be enabled.
Bitcoin is more traceable than cash, but surely creative criminals have worked out a way to launder it?
You see this in organ donation. Opt-in is abysmal, but it's the reverse when they switch to opt-out. I get the utilitarian reason for the change but it's ethically and morally dubious.

Informed consent is the gold standard, except when it's not.
The defaults (Or what used to be defaults), are all generally garbage and filled with political spam. Finding more niche and specific subreddits yields better results.
Ask HN: Is there any CS concept for joining individual lines into shapes
Hello fellow HN users!

I recently stumbled across the problem where I am given a list of lines and need to join them into shapes. Some lines may overlap with other lines, some lines might be very close (unwanted artifacts), some lines might produce shapes that are not closed and I would need to join beginning and end myself.

Is there any literature which would touch on some more general problem? My intuition tells me I probably should look into graphs theory but maybe there is more intuitive approach? Lines are coming from contour detection algorithm and they may be very very close each to other but not touch each other- human eye would see the shape easily, but from programmatic point of view I feel I'll have to figure out some thresholds that if lines are close enough I consider them part of shape.
> Amazon, Apple, Google, and Microsoft had 526 billion dollars between the four of them in cash reserves.

Presumably they would cooperate and do something about it if they saw the current situation as too risky?
Why no health insurance? Go on the ACA exchange and pick a plan. It's an expense like any other.
That's very exciting. Rust really seems to establish itself as a serious contender for the low-level niche that until so far has almost exclusively been occupied by C.

I wonder how much of an obstacle the lack of the stable ABI and the inability to transparently use C headers still are.
It takes light 33ns to travel from a cheetah to a gazelle 10 meters away. The time it takes the gazelle to process and react to that information takes many orders of magnitude longer, so optimizing or even eliminating that 33ns isn’t going to affect the gazelle’s chances of survival.

The bottleneck is never the speed of the photons.
I think you're giving me an uncharitable reading, and in doing so support my stated concern:

> I feel the issue is exacerbated by the fact that if you can follow along with Terry then you likely will be unable to recognise the issue.

On the topic of "heterogeneity" it would seem to follow from my saying "If you can follow along with Terry" that I recognise some people are capable to find his explanation clear.

My concern is providing that link as educational stead insightful.

On the heterogeneity of pure mathematicians it is very frustrating to see someone try to claim, in a public forum where people unfamiliar with the subject can read, that a Mathematician uses anything other than "numerical reasoning while trying to reason about a subject", and I feel it causes great harm to people outside of mathematics.

You say, "some use graphical reasoning", well where did their graphical intuitions come from? Are they born with it? Or perhaps they were taught graphical reasoning by way of numerical reasoning and now are able to just use the graphical reasoning on new problems.

This is part of what I was trying to express by referencing Gowers. Using identities to reason about a problem is fine, and arguably necessary, but introducing identities when teaching without explanation is befuddling and I argue deters learning.

The op said "I'd like to learn more about symmetry", you used the word "introduction" and Tao used the word "simple".

If the op said, "I went through a physics program in undergrad and grad school and I feel like I have all the mathematical pieces but I'm still struggling to put them all together... can anyone recommend a resource that avoids getting bogged down in prerequisite explanations and just focuses on the relations."

Then I would have scrolled past thinking, yeah that Tao article is perfect.

If you would have said, "After years of higher education this article made it click for me in ways multiple professors failed to but you'll need an equivalent amount of the numerical examples from my education of the various topics used to understand this."

Then I would have scrolled past thinking, yeah Tao does a great job of illuminating concepts.

If Tao would have used any other word than "simple".

Then I would have left out the "novella" jab. Though now I'm tempted to ask what about the short textbook was more difficult, because in my similar library experiences the short books were the ones that just had equations and identities and left out any of the numerical reasoning. Is that what you discovered when you Haha'd at that little textbook?

I worry for Mathematics when someone says, "Hey I think I might be interested in that thing..." and the response they recieve is a bludgeon of latin characters, and the dubious unqualified follow up "well other people get it".

It is now doubly hard for that person to explore their interest because they need to both find their own resources that actually teach the material, as well as decide whether its even worth it if this is the community they are working to become part of.
What do you mean? It asks you at setup time "would you like to enable Find My iPhone?" If you click yes, then it is enabled. That sounds like opt-in to me.

How can it get any more opt-in?
This is a competitor to MathCAD which is used for things like structural calculations. I've used it for traction drive calculations. Generally you're implementing equations that are defined in papers and it's really nice to be able to make them look roughly the same.

In MathCAD you can annotate them with actual snippets from the papers too. Definitely beats coding for some specific applications.
CNBC provides [1] links to the original source of the news [2]

[1]: https://www.cnbc.com/2021/05/11/facebook-has-been-told-to-st...
[2]: https://datenschutz-hamburg.de/pressemitteilungen/2021/05/20...
Absolute Mad Lads – The Nightmare POW, Charles Hazlitt Upham
I must be seeing a different sides of Tiktok than you. The Tiktok I see has plenty of vanity (though nothing compared to Instagram), but also an immense amount honestness/earnestness/openness where Gen-Z shares its mistakes/embarrassments/awkwardness.
>Some drug lords are still called terrorists even though their only goal is monopoly control of the cocaine market by any means necessary.

1. who's calling them terrorists? Some shmuck off the street? Some writer for a tabloid? People on wallstreetbets think that hedge funds are "financial terrorists", doesn't mean they are.

2. drug lords can absolutely engage in actual terrorist activities, eg. "we will attack innocent civilians unless you stop arresting us".
It's at least as honest as leaving out the ISIS stuff. Which, you know, sins of omission and all.
> There's this misconception that bitcoin is private / "safe" for criminals

It certainly can be safe and pseudo anonymous. Just need to be careful about fiat on/off ramps and maybe use a mixer or two. These things are not hard to do.

The person who used Coinbase was either lazy or ignorant
A lot of these tax codes have evolved over time and accumulated a lot of handouts from whoever was in power to the people who put them there. The US federal tax code is filled to the brim with all sorts of exceptions inserted by a congressman here, a senator there over decades, either as quid-pro-quos or as politically expedient moves to protect their constituents' interest. A lot of it is couched as 'we are encouraging investment and providing incentives for that'. In many cases, this is true. If Uncle Sam does not want to make calls about where to allocate capital, he encourages private enterprise to make such calls via the tax code. I do not see why this is such a bad thing after all. Of course, this may not make sense for residential real-estate, but overall, it's surprising that people do not realise this simple fact when they complain loudly about how Warren Buffet pays a lower effective tax rate than his secretary --- of course that's by design because Warren Buffet has directed orders of magnitude more capital towards the 'right' ends than his secretary could, in several lifetimes.

The whole article reads like a screed against the hyper-rich who 'aren't paying their fair share', but you have to ask, if they are merely taking advantage of (and helping shape) the tax code that incentivizes this behavior, who's really responsible here? Isn't it time we looked at our elected representatives much more critically?
But not entirely inaccurate.

I mean, 20 years, maybe even just 10 years ago we would've shrugged off the type of attacks happening now as "pure science fiction".
6. You used to need to wonder: Have I been hacked? How bad? Now you get an invoice day-of.
You break the rules; you suffer the consequences. He incited a riot; he lost his platform.

Banning him doesn't fix our country, sure, but social media platforms enforcing a basic standard of conduct seems like a positive to me.
Ukraine is setting up a crypto mining data center in a nuclear power plant
Dawn of the Mexica
Investments and funding can come in a variety of packages, some better or worse than others. Even something as simple as the government providing or backing loans can go a long way. The Energy Department's loan program has helped speed up investment in solar and has turned a profit- making it easier for production to move to the US doesn't always mean "giving" money away.

I guess my point here is that the devil is in the details, and an organization as large as the US Government has a lot of different options for incentivizing or assisting in starting up new industries.

https://www.csmonitor.com/Business/In-Gear/2016/1017/Solyndr...
Looks like the military industrial complex is about to be expanded with the semiconductor industry.
it's insane Github reports PR stats. I always knew this would happen. But never so publicly. You just assume that your management is looking at it constantly and basing their decisions on it. Because why wouldn't they. Their entire philosophy is "never let a metric go to waste."

All this does is encourage bad behavior. Not squashing commits, throwing up tons of one line changes. Remember that contest Digital Ocean did for Hacktoberfest? Remember what a total shitshow they caused on Github? People were making egregious commits for a fucking t-shirt. Now imagine real money on the line.
We detached this subthread from https://news.ycombinator.com/item?id=27116416.
That's not the function of an opinion column, though.

He had the freedom to go as far as he wanted for the column of course, but it's not a requirement.

The column does carry a disclaimer that he is a member of the editorial board, but being an opinion column does mean he's not speaking for the paper, but himself. Of course any halfway-intelligent person can extrapolate and understand that his opinions will help form the editorial direction of the paper but is not representing the paper directly in this column. It wasn't a deep-dive.

I'm speaking to the function of the newspaper and opinion columns here, not about whether the article was good enough or not.
Actually I sometimes answer recruiters from companies that I am not interested at working from, just to tell upfront how much I am getting paid and how much I would need to be convinced to change, just in the hope that the next guy they call and that actually needs this job will have a better initial offer.

Incidentally, that's why I don't like those "transparency" initiatives too much. Most people willing to share their salaries on twitter probably are on the lower side of the pay scale, thus biasing the results down.
You don't have to be a creator to count as a user.
They claim that they have done so, and that they can't locate any suspicious traffic coming from their network. Of course, these claims might be BS and I've no way to prove or disprove it...
From the researcher that brought you KRACK:

https://www.krackattacks.com/
I had Tile on some lost luggage recently. Even though Tile had the biggest network, it still wasn't enough. My luggage visited a few large international airports without a single ping. It really seems that OS integration is the only way to get enough scale.
Cloudflare is the only Internet companies that actually talks about Rule of Law in way Freedom of Speech and politics should be played, rather than some arbitrary company TOS.

Given that Prince studied law in Harvard he is way more knowledgeable and aware than average CEO.
Stunning. Apple has built a surveillance system that no government in the world could ever afford. Despots, dictators and duly elected presidents around the world are rejoicing at how cheap and easy it is to keep tabs on your political enemies, opposition leaders and those meddlesome human rights campaigners. Put a small tag on their cars, their briefcases, their kids' lunchboxes and just watch where the little tags go. Got a secret meeting with your fellow revolutionaries? Better hope nobody with an iPhone passed nearby on the trip to, from and during the meeting.
> She also thinks that you’re only immune for three months if you actually got infected, but that’s the media’s fault. They ran all those stories about antibodies only lasting a few months without going in to details about memory T cells or the like.

It's also wrong regardless. "Three months" came from studies that only lasted three months / were early in the pandemic, and actually meant "at least three months".

There are newer ones now that say "at least 8 months", and even that is several-months old news.
"Not moving" is also an information that is useful to stalkers.
No-Code Lambda Monitoring from Sentry
> Only because the criminal hasn't yet tried to use that bitcoin to buy something in the real world.

An asumption you're making and likely untrue. There are many ways to convert to fiat or skip that step and luander through the dark web
It doesn't matter what the economics adds up to when the government is printing trillions of dollars and spending it on 'what it thinks needs to happen', whereupon trillionaire companies can lobby for some of that money.

Perhaps these companies should create a fund to start a few foundries etc. because they can definitely afford it.
I honestly don't understand the concern about being stalked at all.

Ya'll honestly think an AirTag is the best way for a stalker to track you?
It is not as much incorrect as it is ill defined. The "quantum teleportation protocol" inherently requires the transmission of a classical bit (the weirdness is that a single bit + entanglement is sufficient to "teleport" a quantum state represented by a complex number). So, which part are you asking about when you ask whether it is "instantaneous". I feel like the need for a classical bit makes the question rather moot.

Or maybe the question is about the speed of the collapse of the entangled pair upon measurement. That question makes a bit more sense, but its answer is simply "unobservable". The observable effects are all the same independently of the answer of the question, so we do not care. The theory does not say it is instantaneous, the theory says the answer does not matter.

You can decide for yourself what this means "philosophically". For most working scientists "unobservable" means that science does not care about it, because it does not matter when considering the workings of the universe. Some of us do try to see whether some extension of the current theory would make the answer observable and also help explain other difficult ideas (but Bell inequality experiments do confirm that it simply does not matter).
I mean pragmatically not abstractly. Bitcoin transaction fees were >$50 recently, so it's useless as a form of payment, and nothing is keeping it from being worthless tomorrow so it's a poor parking spot for money.
This is quite brilliant.

Here's another approach to tracking, employed by Pentax and maybe others: Use 5-axis sensor movement to track stars (i.e. use the motors which move the sensor for in-body stabilization)

Given GPS coords, software can do this to the limits of sensor movement afforded by the camera body. I don't have a Pentax but modern models can apparently track for at least 4 minutes.[1] (!)

In theory, official or unofficial firmware for other models of camera might be able to do the same.

[1] https://milkywayphotographers.com/article/2021/01/21/pentax-...
There certainly is some conceptual overlap in defining an experience/decision making process as a directional graph.

However, to my limited knowledge of this, BPMN doesn't quite differentiate between its activities in terms of "does this need user interaction" vs "process this thing". In our case, we have pane nodes for the "need user interaction" activity and processor nodes for the "process this thing" activity.
Federated Real Time Communication Using Open Protocols
You're basically arguing against variable width text encodings - which is ok. But you know, it's entirely possible to use UTF32. In fact, some programming languages use it by default to represent strings.

But again and again, all of this has nothing to do with the size of a byte.

BTW, are you aware that 8-bit Microcontrollers are still in widespread use and nowhere near of being discontinued?
The article says the FBI intervened before the hit was executed. They were apparently tipped off by the BBC. It's far more likely, in my opinion, that a BBC source would disclose his scam taking bitcoins from would-be hirerers of contract killers, than it is that an actual hitman would have bad enough opsec that the BBC would be the ones to discover his clients.
Bezos has actually been preaching the same stuff about space as Musk since high school. Needing to get humanity off of earth and wanting to be the one to do it, etc etc.

I only know this because he graduated from the same high school as me (20 years before me), and I did some googling one day. He was the class valedictorian, and while his entire speech isn't transcribed anywhere I know of, The Miami Herald quoted sentences from various high school valedictorian speeches as part of a graduation article, and Jeff Bezos has a few sentences in there.

The Miami Herald archives for 1982 don't seem to be loading for me, but a CNBC article [0] has it quoted.

> ″[Bezos] wants to build space hotels, amusement parks, yachts and colonies for two or three million people orbiting around the earth,” the Herald’s article says.

> ″‘The whole idea is to preserve the earth,’” he said, according to the newspaper, which notes of Bezos that his “final objective is to get all people off the earth and see it turned into a huge national park.”

It's interesting to me how he was saying this in 1982 but instead went down the path of banking and then eventually Amazon. Yeah Blue Origin was founded in 2000, but like everyone else here is quipping, what has it actually accomplished? I have no basis for this, but I feel like his goals were: 1) Become the richest person in the world. 2) Use my money to lead humanity to space. He doesn't seem to be as good at goal 2 as goal 1.

[0] https://www.cnbc.com/2018/08/31/amazon-jeff-bezos-proposed-c...
Not a whole lot Apple can do about that. The fact that they built it into iOS shows the amount of thought that went into it.
I'm thinking of adding one to my bike. I wonder if they'd be completely cut off from radio if hidden under some metal?
It’s a big benefit for recruiting.
>everyone was telling me how millennials were lazy or disconnected or didn't understand the real world.

a decade ago was the single largest financial collapse in american history since the depression. millennials were told they would all get office jobs and a lexus. they all largely got working-poor fast food jobs and endless student debt.

now GenZ is looking at the same prospect. Covid and stagnant wages, and unapproachable college debt.

whatever Tiktok hopes to do, it needs to pivot from this malarkey where everyone needs to be a programmer and start offering trade jobs, which have been starving for new hires for 40 years. plumbing, HVAC, electrical, mechanical maintenance, and engine techs would stop traffic for a chance to so much as talk to someone from GenZ about the trade.
> Take the Hudson Yards redistricting example...

You mean Southwest Harlem.
I think you have it reversed. `expr.expr` would need to become `(*expr).expr` if we didn't have auto-dereferencing.
I wonder why so many Rust FFI wrappers don’t use these tools?

The most popular C library in the world is probably the standard one. Yet in https://github.com/rust-lang/libc I don’t see any glue automatically generated from C headers, everything’s written manually.

Other examples: https://github.com/servo/rust-png/ https://github.com/bozaro/lz4-rs
Does it have anything to do with the speed of development->deployment? If something that is going to be standardized is rushed, then these kind of easily-ish found flaws will continually haunt us. If things slowed down and allowed a serious amount of pentesting before standarization, then maybe we can avoid these herpes like flaws where they sit dormant and then flare up, but can never be eliminated once discovered.
First the battery and "expensive" mobile data used is negligible for an iPhone. The data used for sidewalk is not necessarily but could be. Second, Find my is NOT on by default. You have a choice to enable Find My when you set up the phone. Sidewalk is on by default. Third, the data that the iPhone sends is encrypted end to end and they heavily mention that they can't even read it. Amazon does not mention that, even if it happens to be true. Fourth, sidewalk ALWAYS uses your home network. You mentioned mobile data, at the very least, that's completely separate.
Easy to get snowed though if you don't know what to watch out for. That was my motivation for writing this. I've been kicked a couple times by (good intentioned) people that did not realize their success (ideas) had been team efforts.
> the function's argument is a tuple (this is the more common way, not only in SML, but also how it's done most commonly in maths);

The Ceylon programming language worked that way[1] and it was really cool to be able just what you wanted: `o.map(f)`.

It's a shame that other languages didn't seem to pick up this idea... I've no idea if this could be made to work in Rust though (given Rust has no GC and it would go against its philosophy to allocate parameters like this on the heap just to create tuples - maybe the compiler could get rid of the actual tuples altogether?).

[1] https://ceylon-lang.org/blog/2012/12/21/tuples-and-functions...
According to one of the references[1]:

> Many doctors believed that only vulgar people used the term to ­describe a tightening sensation in the chest, difficulty breathing and a cough.

[1]: https://inews.co.uk/inews-lifestyle/wellbeing/polio-soon-off...