skysight-inc/HackerNews huggingface dataset:
Show HN: ReeForms – Create eForms and Collect Data (iOS)
You don't need to understand anything about infinitesimals to understand 0.999... = 1. Perhaps you meant limits? The "standard" approach would be to point out that Σ_{i=1}^∞ 9/(10^i) = 1 (that is, the sum from i = 1 to infinity of 9/(10^i) is 1), and understanding an infinite summation requires the concept of a limit. (Of course, there are simpler proofs that use only basic algebra and intuition about decimals; a limit is just the most direct approach.)

You're spot-on about needing to understand there's a distinction between a number and its decimal representation, though.
s/Netflix/BBC/
I could tell the difference between red snapper and tilapia. I dislike this fish and the texture doesn't seem quite snapper like(at least the times I had it). When I moved to the us for school I was surprised to find it on the menu at restaurants instead of snapper.

I tend to not like it when restaurants try to pass off one fish for another to me. In the Caribbean a restaurant gave me marlin instead of sword. I think just about anyone would be able to tell the difference since sword can be a much much softer flesh fish.

I lived in the Caribbean where my grandfather depended on the sea. Fishing for a living. He caught only these reef fishes.

My father a retired sea captain, bought a fishing boat and fished mainly yellow fin tuna but of course marlin and sworn would end up on his lines as by catch.

I think a lot of people here in the Caribbean who still eat fish would be able to differentiate between cooked fish.

Blue tangs fried are my favourite reef fish...sorry Dory.
http://www.imdb.com/title/tt0088083/
Well they have to survive the winter somehow, so it must be at least several months.
A lot of people check hacker news daily. Good content gets upvoted and spam is removed. Also HN is a place for rational discussions not trolls
I saw someone joke on Twitter that their anxiety level lately is the first derivative of the graph on the 538 2016 election forecast. So to get that I guess I needed to be able to see that in my head briefly. I think I didn't pick up that skill until calculus which for me at least was 11th grade.
That shouldn't be possible in Germany anyways, since helping is a constitutional responsibility.

Therefore no normal law should be able to break your cover. As long as there's no doubt on your good intentions.
Oh, yeah. Delta again...
The most secure option would be not to carry a mobile phone at all. Otherwise, iOS is probably the most secure mobile operating system, simply based on the price of remote exploits: a remote exploit for iOS is worth several times more ($500K-1M) than the equivalent one for Android ($100K-200K).
You may want to look more into communes (https://en.wikipedia.org/wiki/Commune) to see what does and does not work about this arrangement. Unfortunately, most of these examples are going to be skewed because of the selection factor (what causes a group of people to recuse themselves from wider society? Radical politics, religion, or often just cults), but there's still something to be learned there.

While technology makes a self-sustaining community require less human labor for food, water, shelter, etc, there's still the issue of technical maintenance. 3d printer filament, machines parts and repair labor aren't free.

For another perspective, you could also look into the Seasteading movement. I can't say I'm too well versed in this field beyond a passing interest, but I think there should be quite a bit of information on the logistics of it. The governance (or lack thereof) would be the interesting part.
Slightly worrying that the cardiologist also hesitated...
I think one non-obvious benefit of a good mathematics education is that you have little choice but to develop a tolerance for and understanding of being wrong. See Jeremy Kun's blog post [1] for more, but my own experience has been that in e.g. discussing different ways to solve a problem or prove something almost every person eventually has an "oh, no, I see, I'm wrong and you're right" moment. Not that every mathematician is necessarily a font of humility and grace, but I think math offers more regular and irrefutable demonstrations of your own fallibility than many other fields, and this is good.

[1] https://medium.com/@jeremyjkun/habits-of-highly-mathematical...
It's still wrong to call a country with over half its population in cities "rural at its core". It isn't transitioning from a 'rural era' either. It's more urbanized than Slovakia, Romania, Slovenia, and several other developed countries[1].

https://en.wikipedia.org/wiki/Urbanization_by_country
I couldn't easily figure out just who this guy was (i.e. handle) but it seems somewhat unusual that he would've performed the hack alone. Especially given the malware deployed[1] and information shared by the victims [2].

>What's the benefit?

Tons, having personally tried the same thing in the past :^) Being able to serve backdoored copies of the kernel to targeted users would be all kinds of useful, and you'd be in an unique position to target the kernel developers themselves, allowing you to actually insert a backdoor into the kernel.

[1] Phalanx is by far one of the most advanced pieces of publicly analysed linux malware https://volatility-labs.blogspot.de/2012/10/phalanx-2-reveal...

[2] Kernel.org folks claimed that they weren't the only target, which is to be expected (people with no prior hacking experience rarely decide to acquire/produce somewhat advanced linux malware and install it on kernel.org)

[2] ctrl+f credential-stealing https://lwn.net/Articles/464233/
Earthquake Shakes Swath of Midwest from Nebraska to Texas
That sounds intuitively reasonable. Is there a cononical reference argument that you're aware of?
https://en.wikipedia.org/wiki/L%C3%B6wenheim%E2%80%93Skolem_...
Lofty goals of that sort are fine, and easy to write about, but I wonder how the situation will change when someone inevitably uploads $MOVIE -- and for a fee! -- and the movie studios come knocking. Indeed, I do not expect (or hope!) that LBRY will act to evade copyright or IP law.

The point is, complete lawfulness and blockchain utopias aren't really compatible.
When working with time series it is a good practice to move the data in memory and vectorise both the data and the data-manipulation logic. Doing so you can take advantage of the battle tested and fast linear algebra libraries like BLAS and LAPACK (or even move the calculation to the GPU). The last time I worked with time series data I used python-pandas. Even without former python knowledge it took only a couple of weeks to get productive. It has also a wrapper around SQLalchemy so you don't have to deal directly with the ORM.
And is there ever any accountability for pax who are not "fit to fly" (note: I'm not saying that's the case here!) taking the chance and flying anyway?
both issue are now fixed, the epub and pdf renderer is now working correctly
Maybe it has changed recently, but an interesting factor is the Austrian Starbucks have been run by an Austrian master franchisor, not by the company.
Property of real numbers: between distinct real numbers is at least one other number. Now try to find a decimal representation of a number bigger than 0.9999999... but less than 1.0. You clearly can't. They must be equal. No need for infinitesimals.
The safe word, great for lawsuits when all the investors lose everything
https://en.wikipedia.org/wiki/Fuel_dumping
>What is the value add for companies like these to "take advantage" of an app store subscription?

As I see it, none. But Apple would love getting netflix and spotify subscribers, since those services are ones that people stay on forever.

Actually some companies DO NOT like it, because they might lose some users due to the pricing being bumped up 30%

www.theverge.com/2015/7/8/8913105/spotify-apple-app-store-email

www.recode.net/2016/6/30/12067578/spotify-apple-app-store-rejection
I do complex mathematics for fun sometimes, it always surprises me when I start talking about the fractal images I generate and a large percentage of other engineers are wowed at how, well, complex it must all be. Then start to glaze over a bit...

I loved studying all that stuff at school, pretty pictures or no. But as a coder the opportunities to use much of it in anger are really quite restricted.
Those are the only two ways to get an indictment?
Your sentence is a bit ambiguous: was he shifting the blame, or frustrated at all the blame-shifting going on?
I had the same thought. Follow the author's conclusions, and you'll end up rejecting college as such on the basis of its apparent lack of "utility."

But why should everything be tied to the demands of the workforce? At some level, saying "Don't bother learning calculus because you'll never need it" seems akin to saying, "Don't bother looking at the Mona Lisa, because you'll only ever have to read road signs."

Is there no intrinsic value to learning? No need to be connected to the cultures of the past (or the present)? Nothing to be gained by studying all those ideas that underlie those CAD programs?

The author traces the myth back to Sputnik. It sounds to me much more like every kid who's ever wept over their algebra homework and asked "When am I ever going to use this?"
I recently participated in a focus group which was discussing git, github, and other git-ish things. To my eyes, it seemed like most of the other participants were unclear on what the difference between git and github actually was as answers about the two were often interchanged.
I don't understand this comment. Are you saying that it's good that bankers didn't go to jail, but bad that malicious hackers do? If so, I disagree; bankers should have gone to prison for a period of time easier measured in decades than years.

What I have a problem with is all of the tears for the white collar, educated criminals, and the insistence that the people who really deserve prison are those poor, uneducated, violent criminals. Somehow everyone seems to think that the criminals that they could most easily see themselves as deserve the least punishment, so middle-class crime is seen as less criminal by the middle-class.
Biologist Edward O. Wilson makes a case for a similar, though not identical view, in his Letters to a Young Scientist. 2nd essay is "Mathematics". Distilled:

* A strong mathematical background does not guarantee success in science.

* There's a large amount of foundational theory and work which involves thinking in images and facts, not mathematics.

* Maths phobia deprives science of an immeasurable amount of talent.

* True maths talent is probably at least partially hereditary.

* Maths and conceptual work are complements, not replacements.

http://www.worldcat.org/title/letters-to-a-young-scientist/o...
All mathematics is applied mathematics. Pure mathematics is just mathematics applied to mathematics.

This is problematic, because the way mathematics is currently taught only small number of students actually grok it and make deep connections that enable them to build up on what they previously learned and learn more. Others have the constant feeling of things getting progressively harder to understand and use.
I'm sure that most people (including engineers) would benefit from the ability think and really internalize concepts taught in high school level.

Pedagogical research is almost entirely directed towards small children. Psychologists have studied children and know the common hangups children have. What are common misconceptions, how to use them to make children learn. How they learn to count numbers past ten. Competent teacher can help small children to learn faster.

I think it's possible to teach most people to think _in math_ but it's much slower process.
We've banned this account for repeatedly violating the guidelines after we've asked you not to do so. We're happy to unban accounts if you email hn@ycombinator.com and we feel you'll comment only civilly and substantively in the future.

https://news.ycombinator.com/newsguidelines.html
0.999... is equal to 1 only if we assign a particular semantics to the "..." notation. Namely if "..." means "the limit of the decimal number to the left, as the repetitions of the last digit grow ever larger", then 0.999... is an alternative notation for 1 since that limit is 1.

The actual number formed by repeating 9's an infinite number of times is not constructable. Whereas 1 is constructable. So they cannot be the same thing. That's because, philosophically, two objects must be identical in every property to be the same object, and constructability is a property.

As we add 9's, we are getting ever closer to 1, and the concept of a limit lets us "fast forward" to that value. If we agree that this "..." denotes the limit, rather than the non-constructable number implied by the notation's "face value", then the equality holds.

To actually regard 0.999... = 1 to hold without involving the limit shows an ignorance of (or denial of) the validity of induction. Because, look:

Base case: 0.9 is not equal to 1.

Inductive hypothesis: Adding another digit to a decimal fraction which is not equal to 1 produces a new decimal fraction which is also not equal to 1.

Therefore, by induction, no matter how many 9's we add, we do not get 1.

Induction is not somehow canceled by infinity; induction is how we understand that a property holds for infinity: a property such as "not equal to 1".
You should provide a reference, it would be helpful.
Almost as bad as ingesting bristles is how commonly people are using metal brushes to clean their teflon-coated grill equipment. The teflon breaks off, becoming part of the food you're cooking. Ingesting teflon flakes (at/from grill temperatures above 450 degrees) is a direct route to autoimmune disease due to the fluoropolymers, as well as higher cancer risk from perfluorooctanoic acid.

I can't tell you how many times I've seen metal brushes next to teflon-coated grills. Or even worse, visibly flaked teflon coating on grills heated to high temperatures. Suffice it to say, it's been often enough to remark on. Should you decide to own teflon-coated grill equipment, use an onion to clean your grill next time; it's far less abrasive.
Doesn't that property come from the fact that there is no infinitesimal in real number?
Courts can generally compel you to do things, especially things you don't want to do (otherwise the compelling bit is redundant). Also, from other people's writing on the subject, I gather that courts aren't all that keen on sophistry and schemes, especially those specifically invented to anticipate and circumvent a specific order from the court.
I think it's because the laws were made a long, long time ago when internationalism didn't really exist.
There are actually regulations about how far an airplane can be from land - it's why so many flight paths are similar (US-Scotland overlaps US-Paris, for example).

You can use this website to see the true flight path for the Johannessburg flight: http://dl.fltmaps.com/en [enter Atlanta and Johannesburg as the endpoints]

EDIT: Can't find an FAA source about distances to airport, but here's a related Wikipedia page. https://en.wikipedia.org/wiki/ETOPS
Raising civil human beings is the ounce of prevention in all contexts of human behavior and interaction. Everything else (in a forum context: moderation, voting, reputation, etc.) is variation on the theme of pounds/tons of cure.
I think you're already doing the right thing in continually learning. No one can tell you whether or not studying ML will prove to be valuable with any certainty, so it might be a good bet to pursue it if it interests you and you have the spare time and especially if you're desperate to pivot your career towards it (then you're left with no options). I can't offer a definitive decisionmaking framework, except to say that if you want to monetize something, make sure you can (fairly obvious, but not always what happens with people in our industry).
The idea of a search engine is long since gone. Google is a destination...mail, news, interesting links, etc. So is Facebook [just replace 'mail' with 'messages']. It's really the Yahoo/AOL/Compuserve model that works over the long haul.

The future of actual search is something that gets out of the way like Siri or Cortana. But there's not really money in search. The money is in siloing and data collection.
I suppose the Internet is a "content platform," but that's in the most basic sense of the term. I mean things like YouTube and Vessel that are trying to bring together all those things you mention. If anything, I wouldn't begin to consider a service to be a content platform unless it had those things.
If I got it correctly, unlike the software in the article - yours wasn't a malware that stealthily does something unbeknownst to the legitimate user, or something that even impacts the security measures user has set up. It was a genuine and honest data analysis tool, scanning the drive one already has full access to.

Tools like yours (cracked/warez - even a $100 bar was impossible for a schoolkid in late '90s/early '00s Russia, not to say about $1K+ price points) and articles on filesystem internals had helped me to recover my own data from drive failures a couple of times. So, thank you.

And I really believe that would've anyone taken a possession of my notes and inspected them with a magnifying glass - the problem would be anything (me leaving the notes, someone taking the notes, ...) but that someone made the glass.
People are great at vague queries... where can I get the thing that goes up and down in the back of a toilet?
"With a book, you pay for the ideas contained therein - a subtle but (IMO) important difference."

Not according to the law, you aren't.

Also, there are plenty of ideas involved in building cars and houses. They're not just random piles of wood, metal, and plastic, any more than a book is just ink smeared on paper.
No, but Redshift does.
They don't. Orders are handed over to their couriers abroad or transported by truck from Germany to the Austrian post at Allhaming.
Translating myTREZOR.com for fun and profit
I'm a new user and I read the FAQ. They like "original sources."

Many of the top-quality sources are pay walled. I happen to pay for the WSJ because I like reading first-hand quality reporting.

If there's a discussion link that's pay walled, you can choose not to participate, or simple read the comments and try to pick up something about it. You could also go to your library and see if they have access to the Wall Street Journal. Or google for the article and see if it was picked up elsewhere.
The pre-Google search engine I preferred during it's brief period of utility was 'WebCrawler' because it returned dumb results. Google doesn't do that any more, it's back to curated links with advertising being a large factor in curation.
AirNZ perhaps not the best airline out there, but the best airline I've personally been on.
They're coming out of the woodwork...

Edit: sorry, didn't mean to ad hominem, but I'm going to leave my original comment there all the same. To make my post a bit more constructive, OP, what exactly is your definition of "constructible"? Because it doesn't relate to any mathematical concept I'm familiar with. Other than maybe "finitary".
This is just completely wrong on every level. Plenty of people liked Windows 98. There was the general "I don't want to upgrade" crowd, but more specifically, there were the gamers who wanted to keep playing the games they had already paid for. Windows XP wasn't great for that.

That gamer inertia was powerful enough that Windows 98 got DirectX 9 in December 2002, well after the release of Windows XP, and Microsoft released their last DirectX on 98 in December 2006.
That map does not show true flight paths, those are heavily stylised.

This is a true flight path, and it's much closer to the great circle: https://www.flightradar24.com/DAL200/ae190b1
I disagree, but whatever.

If anything, this got me extremely interested in what these kinds of decentralized systems can be put to use for. Now I get to look up IPFS, so thank you. :)
Having a "different definition" of the reals doesn't make it correct, even if you tend to say it.

I would expect that most people with a passing knowledge of basic calculus would be able to eventually understand the argument that not only does 0.999... = 1, but that the real numbers are uncountable. It might take some convincing, but the truths are provable and very well understood across the world.
> Any sane terminal should already be doing that, if not there's not really any point in offering bracketed paste in the first place as any input could break out of it.

I wanted to test whether the Mac OS Terminal.app does that, but can't even figure out how to turn on bracketed paste mode in the first place. (All a Google search turns up is an SO result assuring me that Terminal.app supports BPM. I can't find it anywhere in the settings.)

> Of course, this should really be on the browser for not delivering the proper text that the user selected to the clipboard.

On the other hand, it's hard to give an argument for how the browser should know that the user didn't mean to select the extra portion of the text. I know that I am always resistant to solutions where my software insists that it knows better than I do. Maybe a prompt if the selection includes invisible text? (I guess the browser can tell whether some of the text being selected is out of the view window.)
Will the next Intel & AMD chips support Windows 10, or will we see a similar planned-obsolescence dance again?

I'm asking to see whether this is part of a larger trend where compatibility is falling by the wayside or whether this is an isolated incident to kick the world up to modernity, and I am fully aware that it is difficult to predict the future.

IMO Windows 10 really is an atrocious piece of software and forcing it onto people could backfire.
FundersClub launches FCVC institutional arm
iPhone 7 to Feature 2.4Ghz A10 Chip and Waterproofing
nope, nothing. it was something like 45 tb
It's not 'now' that it's suddenly possible.

CrowdCube (European startup) has been doing this for years.
Guidelines help promote venture capital
> It makes more sense for an intelligent person to take the lower overhead and more achievable approach to becoming a value creator (e.g. full stack engineer with a strong focus on product development)

I would say that the surest way to make money for a mathematicaly-inclined person is to graduate in maths from a prestigious school and work in finance.

At least, that's how I feel when I look at alumni from my school. People basically could specialize in finance or CS. Those that went into finance make consistently much more than the others.

I wish I knew that at the time. I thought banks were boring and unappealing places. But now I think finance is one of the rare field (if not the only) where you can earn a lot with a technical, non-managerial position.
One of my undergrad math profs went one better on that. She assigned homework due every class period. At the start of class she'd flip a coin to determine whether or not to collect the homework. If she did collect it, she'd flip a coin for each problem to determine whether or not that problem would be graded. The result was that the students had to do all the homework (unless they felt like gambling), but she had to do only 25% of the grading.
You can escape the system, but you don't want to. It would mean giving up far more than you thought.

There are people that have done something like this, such as the various community buyouts in Scotland of which Eigg is the most prominent and successful. And they're "broken off" in a very literal sense - an island.

But they've not forsworn money, because you still need to buy things from off the island like electronics and oil products. And they still have to pay tax.