skysight-inc/HackerNews huggingface dataset:
Location: NYC Area

Remote: Yes

Willing to relocate: Yes

Technologies: Ruby on Rails, Sinatra, Node.js (Express), jQuery, React.js, Postgresql, MongoDB, Java. Basic knowledge of Python and C++.

Resume: https://drive.google.com/file/d/0B3XZurhoUyO0eUdJUkNQdnZZVms...

Email: bryanxmateer@gmail.com
> "grammar of graphics (really worth knowing, even if you're not coming from the R world)"

Can you explain why? I've never gotten the appeal. Besides the concept, the classic implementation (ggplot) does not make nice graphs in my opinion. To me these look wrong... I guess I'm not quite sure why. There is something about it too cookie cutter, cartoonish and information-light: http://r4stats.com/examples/graphics-ggplot2/
To save the time of others looking this up:

> Harvoni is used to treat hepatitis C genotypes 1, 4, 5, or 6. This medicine is for use in adults and children who are at least 12 years old or who weigh at least 77 pounds (35 kilograms).

source: https://www.drugs.com/harvoni.html
The Creation of the Camera-Phone and Instant-Picture-Mail
Not sure my mathematics is up to the task but

"using a relatively small increase in resources and time."

A sphere with 99% efficiency would need 25 larger radius according to the article, which is 625x more material assuming the thickness can be the same and doesn't need to be more be be structurally working.

625x to me doesn't sound like a "relatively small increase in resources".

But it looks like some people consider an increase of 62400% in resources a "small increase".
But if you are reading a stream of bits, you don't want to read one bit at a time either, because that is pathologically slow. You want to read n buts at a time (where n varies each call, probably) at which point you're doing a very standard mask-and-shift with no magic...
Or do something else with the 625x more resources you need? I'd probably let the 4% escape and do something nice with the 625x more resources.
You can not protect against this sort of thing. The whole point is that any kind of destruction vs creation is asymmetric and that the destroyers will therefore always have the edge.

The kind of damage that you could do to power infrastructure with a length of chain, a bolt cutter, a wrench or even a hacksaw is huge, the amount of money you'd have to spend to protect against such damage would be many orders of magnitude larger, possibly to the point that power generation / transportation would no longer be feasible.

The same goes for most forms of transportation (a rifle bullet in the right place will bring down a passenger aircraft) and all other things that we've created assuming that people will 'play nice'.

And that in turn links to a concept called the open society which most Western countries subscribe to and which is a combination of freedoms and a resulting vulnerability that we all feel is balanced quite well.

Killing people or destroying is super easy, and if we want to stop that from happening we will need to fundamentally re-think how we live. Personally I don't mind the risks given the advantages.
My guess is that by the time any civilisation gets advanced enough to build a Dyson sphere, ennui has set in to the point where they don't bother.
It bothers me a bit why the author never mentioned what is the right data type to use instead of varchar(36).

I had to google it up to know there is a data type for GUID called "uniqueidentifier" (MS SQL) or "uuid" (PostgreSQL). As for MySQL, there is no such equivalent and suggestion is to use CHAR(38) instead.

Does that mean MySQL will have to live with the 9x cost in size issue?
> Who defines criminal behavior?

We do.
> I'm left wondering... so what?

Well, ~10,000 people, mostly male, are going to be left not only unemployed, but heavily indebted. That combination cannot be good for social stability. If you are a resident of Chicago, you should care. This problem won't go quietly into the night.

> The government in no way insured that medallions would be a winning business investment.

People who recently took out loans to purchase a car to work for Uber are going to be facing the exact same problem if and when they roll out their autonomous fleet. That's around 200,000 nationwide.

I care about these things because I want the society I live in to continue to be relatively peaceful. And America is certainly well equipped, there are as many guns are there are people. Situations like these are how bloody revolutions start. Everyone has fears about AI's running amok. I fear what people will do when AI's take their jobs.
Based on my personal experience trading and back testing quantitative systems, the more money you have the harder is to find alpha in the markets, for example I have one system good for up to 1 - 2M which generates me double digits yearly returns, but above that my next system for up to 10M will do only a single, up to lover double digit return (trading the stock market only, because I don't have the data to test Forex or Futures). It's all about the volume and slippage... Just can't imagine how to trade with billions without ending up owning some company by mistake :-)
just looking at the paper: http://science.sciencemag.org/content/early/2017/06/07/scien...

they won't.

they won't see a red cent. the drug companies will, of course.
> The question is if you could capture the energy and you had the material resources would you let it escape into the universe at 290K?

If the cost of acquiring and constructing the material into a collector were greater than the benefits of collecting a mere 4% more energy, absolutely!

Plus, for an advanced civilization, if given the choice between 99% efficiency around one star and 95% efficiency around a mere 100 stars - which is more likely to be done?

To make the analogy more relevant to humans: Why - when we're technologically advanced enough and have sufficient materials - do we let so much energy escape Earth?
Obviously you should be using UUIDv4 with a good secure pseudorandom number generator if you want to generate them offline. And typically no one handles collisions in large pseudorandom values.
Presumably they would have a warrant out in Netherlands. If issued in the EU or US I wonder if it would effectively ban them from most Western countries similar to Assange.

If this was a "cyber crime" they could possibly be picked up to stand trial in any cooperating country which would narrow their choices of travel.

However, in that situation they would probably be fine except potentially limited ability to work for Companies who do background checks
Too bad. I was aware of it when they were calling for registration but the time didn't suit me and I just assumed it would be available permanently in some way e.g. online videos. My loss!
Yes they do, and they have for 15+ years. Their website even says:

Trademarks as keywords
Google won't investigate or restrict the selection of trademarks as keywords, even if we receive a trademark complaint.

Search for "Uber" on Google and you should see a Lyft ad right near the top of the paid section.
i think you can alarm on remaining CPU credits: https://serverfault.com/a/828193
SQL databases of course allow you to generate the UUID on the client. (In fact not all database servers even can generate UUIDs themselves. Postgres can, if you enable an extension.)
can't you just create new accounts ad infintum?
Heh - well, when we're discussing hypothetical super-advanced aliens with technology and capability to create Dyson spheres, it seems sufficiently outside the scope of my knowledge to justify the disclaimer. ;)
I think only 25% live in dormitories where the suicides took place. I seriously have doubts that Foxconn/China aren't playing down and under-reporting this. Also, as mentioned, the company enacted a sweeping suicide prevention program, including taking measures such as installing nets in places to prevent jumpers from killing themselves.
If you're trusting the client's version of the user ID you've got bigger problems.
Europe can afford to bury the cables in some places (definitely not all of them) because the population density is high enough that the extremely expensive underground high voltage cables (true marvels of materials science) make economic sense. This is something that would be very hard to replicate across large chunks of the US, the distances across which power is transferred are much larger. In some ways the situation would get worse, naked high voltage cables tend to dissuade people from trying to steal them or accidentally digging in to them with all manner of equipment.
It's hard to make it work, I've tried it many times.
Where you are going wrong is assuming the outer layer has to be the same thickness as the inner layers. The outer layer only needs to capture the long infrared radiation emitted by the inner shells. In theory it only needs to be 1 atom thick and can contain gaps half the wavelength to be captured.
Contrary to what other commenters believe, this is the way that all PPC systems work - search for "Uber" on Google, Bing, etc and you're guaranteed to see a Lyft ad.
You may find you don't need the tech part. I've got that part but I suck at the deployment and marketing. Those, to me, are valuable skills. I enjoy that I have tech skills, but it's not enough.
How to Integrate Tableau with R Programming
You've already spent enough time on this paper to have formed an opinion about the actual content (are the methods explained well enough? Does it make any precise predictions or just vague fluff? etc). There is no need to dwell on these issues, it is your time being wasted though. Up to you.
Use a 'uuid' column if your DBMS was designed by people who knew what they're doing :-)
I love linux and I also use it, but I'm a fan of all operating systems.
Xreact – A Functional Reactive State Wrapper for React Components
Salesforce Created an Algorithm That Can Summarize Any Piece of Writing
Perhaps you should just stick to reading newspapers. Zero modals guaranteed!
Worth noting they will police the use of the trademarked term in the ad itself. But only after the trademark owner complains about it, and not in all situations. You can still bid on the term, of course, just somewhat restricted in what the resulting ad can say.
...put simply, the emission signal from efficient Dyson spheres will be swamped by infrared noise in any wide-field infrared surveys.

I am also not a member of an alien civilization with the technology to create a Dyson sphere, but this strikes me as being very good from the standpoint of such a civilization's operational security.
My dad was lucky to get a drug for his lungs he has an uncommon deadly disease called IPF (and also COPD). It was a combination of doctor, insurance and drug company but in the end he was approved and was given the drug. People networking is as important in health as IT it's who you know.

I know I was "researching" (Internet, I'm not a doctor) everything you get desperate when you hear your family member only has a few years. You even consider alternative mumbo jumbo think well maybe it may work.

Studies and trials are rare in my small town and region but if you can I'd search, ask, impose, network do whatever it takes have no shame!

You didn't mention if your uncle was still living if so I wish you and your uncle good luck and good health.
I think tree is plant + time. Which kinda makes sense.
Yeah, exactly. Sometimes I open HN and find no new things that are interesting to me. I guess I'm opening it too often :D
I've seen mention before of the Carnot efficiency of Dyson spheres, but what about Landauer efficiency? Assuming the DS is powering a bunch of computers, and assuming sufficiently advanced technology that these computers approach the limits of physics (reasonable for a Type 2 civilization imo), then their computers will use power proportional to kT. The colder the computer, the less power it uses. https://en.wikipedia.org/wiki/Landauer%27s_principle

This provides another thermodynamic reason to make a Dyson sphere as large as possible.
Seems like another version of `Fabric`, though the expect functionality is nice. After investing so much in learning the quirks and specifics of the fab command, I'd need a very compelling reason to switch.
You don't need 625x the material resources to capture the last 4%. Think multiple shells with the outermost shell being 1 atom thick.
Something a tad irksome in the way a corporate behemoth is praised. We all use Amazon, but we all used to shop at Wal-Mart. Difference seems to be everyone always seemed to at least sligtly detest Wal-Mart, but people talk about Amazon with awe and an almost joy-like appreciation.

Some of my friends worked at fulfillment centers, and if most of these 100,000 new hires mentioned are headed to those places, the author fails to mention a very important part: retention. Since he seems very impressed by wheels, one could also compare the fulfillment centers to a gristmill, where people are ground up and discarded. Ever seen an ad for an Amazon fulfillment center hiring event? It's akin to seasonal hiring, where everyone who shows up at event is hired on the spot, knowing a lot of them will quit early on. If a job isn't retained past a certain point, it can't really be seen as a win. It would be interesting to see data about how long the average fulfillment center worker stays in a fulfillment center position.

Many of us have read about how grueling it is to work in an Amazon fulfillment center, and after hearing my friends' stories I agree.

The good thing for Amazon is that the customer never has to see this. They don't have to feel bad seeing what all went into getting them that tea kettle in under 6 hours. Sure, there is a lot of amazing logisitics and technology involved, but there is also a human element that is hidden. In Wal-Mart, you can walk right into a store and see the effects & signs of mass consumption, cheap products, and cheap labor. I think its visibility has driven a lot of the protests and blowback against Wal-Mart, successful or not.

I think not being able to easily see the dark side of Amazon plays into Amazon's customer satisfaction in some ways. You order something and a box arrives. The only interaction you see is the one you made with your computer.
1) Liability

2) Brand Dilution

3) Trademark Protection
> We are fortunate that terrorists, by and large, are dumb.

No, we are fortunate that the number of real terrorists (those willing to follow through on their ideas) is small. If they weren't you'd know about it because there would be (a) many more attacks that succeeded and (b) many more arrests of attacks foiled.

The fact that both these numbers are extremely low is evidence for lack of terrorists, not for terrorists being dumb.

For a terrorist taking the power out is not sexy enough, slashing a bunch of people with knives or blowing up a bunch of schoolchildren is. See also: "If it bleeds, it leads".
Ask HN: Hard disk data recovery after dropped laptop
My son did drop his laptop and the hard disk looks like might be damaged, I am running some programs to make an image and attempt recovery, but if everything fails would you please recommend a company for the data recovery on the cheap side - few hundred dollars max... The hard disk vendor have a service for around 1k, but my son said is not worth it for the data that will be recovered... Any advice will be appreciated... Thanks!
Why does the 1 AU Dyson sphere needs to be that much thicker (more than 625x thicker to be precise)?
What will the death of the Milky Way look like?
I think there's false premise here that cancer has a single magic cure and we just need to focus on researching that instead of this expensive "personalized medicine."

Cancer is a complex beast, and what we term cancer is really a whole class of diseases with a plethora of underlying causes, some of which we have a basic understanding, and others which we are only starting to understand. Saying we are treating "cancer" as a whole makes as much sense as saying we're treating "fever" or "pain." So what's billed as personalized medicine in cancer at least is really an entirely correct attempt to dig a layer deeper to understand the actual genetic variations that lead the cells to overmultiply, then attempt to address those root causes, numerous as they may be.

We're currently still in the early stages of immunooncology, and the instruments are still blunt, but already more precise and informed than the chemo/radiation world.

As for the cost side, breakthrough R&D like this is not cheap (hundreds of millions to billions), and manufacturing of humanized antibodies (the drug itself) ain't cheap either. We somehow need mechanisms in place so biotech research continues to take these big risks. It is however a completely valid question to ask how we can better derisk this kind of research to the right degree so that certain gaps in the market (e.g. diseases with no cure) can be researched and filled. Big pharma fills that derisking role for the vast majority of smaller biotechs and research labs, often buying up IP and running the hyper-expensive Phase 3's with a 90% chance of failure. The FDA/EMA have the most power in derisking for big pharma, with their very difficult job of balancing the derisking and encouraging research vs safety.

Over time I'm sure the cost will decrease for immunooncology as we improve manufacturing and have get more data on their safety and efficacy profiles in the wild.
maybe all the black holes are dyson spheres?!
In the experiment on teaching an LSTM to count, it's useful to note that the examples it's trained on are derivations [1] from a grammar a^nb^n (with n > 0), a classic example of a Context-Freee Grammar (CFG).

It's well understood that CFGs can not be induced from examples. Which accounts for the fact that LSTMs cannot learn "counting" in this manner, nor indeed can any other learning method that learns from examples.

_______________

[1] "Strings generated from"

[2] The same goes for any formal grammars other than finite ones, as in simpler than regular.
In free market land Trader Joe's would have been able to prevent the resale to Pirate Joe's in the first place.
I read it and just don't get the point or the argument. Not what i expected
Just have a look at:
http://n-gate.com/hackernews/

:)
Benefits and the hidden face of the maker movement [pdf]
This is true in Elixir as well, which has hygienic macros very much like a Lisp. There's a balance, of course, but it really is quite nice to be able to just rewrite the AST as you need. And one must always remember the adage data > functions > macros.
I hope they don't get married. I've been happy with capitalism since (at least) March of 1776. And, you know, we both have our flaws (like when she goes out with politicians and gets dirty, no denying it, from time-to-time), but I can always bring capitalism to heel with that "profit motive", and the politicians? Not so much...
Not sure what deserved a downvote here... Is there anything incorrect?
Verelox is certainly not a major player in this space - aren't they little guys?

How many little shops rely on Verelox - aren't they little guys?

How many end customers depend on services that depend on Verelox - you know someone like you - aren't they the little guys?
Thank you. Here in my country is very difficult to buy a real mac. It costs about 50 minimum monthly wage salaries.
Powerful open source group chat
Speaking as an alien, we don't have a concept of 'cost' the way humans do.

We long ago overcame biological limitations on our lifespans. Since then, the two things they matter to us are not dying by accident, and not getting bored. As you can imagine these can come into conflict on occasion. But building oversized Dyson spheres is fun and not particularly dangerous m.
I was really excited until I saw "Welder requires rsync, ruby and liquid" --- why do I need Ruby and all its dependencies here?

I tried https://github.com/myplaceonline/posixcube and it has zero dependencies , just bash itself, and it is nice.
"C/C++ is supported for text/regexp search and basic browsing (no advanced language features yet)." (message in the Sourcegraph UI)
In hindsight, this seems obvious, and a great idea. Are there any "banned search keywords" now, or is it completely unrestricted? I'm curious if there's just no mechanism for this at all, or if they just aren't using it when they should.
Learn to Code with BASIC while saving the world
Definitely.

PHP isn't perfect at all, with all its inconsistencies and counterintuitive constructs, but it works great. Lots of libraries you can install with Composer, most people know at least some PHP.

On top of that, unless WordPress isn't rewritten in a new language (which won't happen) PHP won't go anywhere.

Perl is fine, too. We solve problems for clients who pay us to get the job done, not be brag about how we use the latest, coolest technology.
Very insightful question. This gives me an alternative context in which to frame the "wage slave" concept. Thank you.
is it possible to avoid this problem by using a good hardware-firewall?
Or maybe only surfing through a tunnel on a beaglebone/raspberry?
Show HN: Home-made database with log-structured writes
Hi, I'm Marcus. I've spent the last 15 months or so home-coding on a document database, after work, on weekends (every waking hour). My plans for this particular weekend was to implement log-structured writing. It went faster than I thought and the results were faster querying times and fast, append-only writes.

I've been working on this for almost a decade and being this close to the finish line feels surreal. This is my seventh iteration I believe. Everytime I realized I had an architecture built on a bad model I walked away, often in fury, depressed over my weak coding abilities but bouncing back pretty quick. I've gotten to a place where I'm comfortable throwing away months and months of coding. When starting anew I always did it fresh.

I did this from love and facination of search and NLP and to get good at coding. I started late in life as a professional programmer and have always felt the need to catch up with those younger than me. Today I feel like I achieved something.

Here is a demo of a search engine [0] built on ResinDB [1]:

[0] http://searchpanels.com/
[1] https://github.com/kreeben/resin/
I like minimalism I'm a fan of rauchg.com and zeit.co
I'm not sure whether to be relieved or disappointed that a member of a super-advanced alien civilization is not actually posting on HN. I guess neither, since if you actually are an alien, you would probably make the same denial :)
Unless it's data you absolutely don't have anywhere else and can't replace it, then personally I wouldn't bother. Let it be a lesson to your son. ALWAYS BACK UP YOUR DATA.

It's a lesson that'll serve him well for the rest of his life.
I think it depends entirely on the incentives of the civilization in question. If the primary goal was hiding your world from the Borg/Dalek/Alien bioweapon your species discovered was ravaging the galaxy, then a 99% Carnot efficient Dyson sphere seems like the ideal defensive structure.
The way I like to visualize it is a line of billiard balls. You smack one end and all balls move a bit maybe one place over but the force (charge) moves through them moving the last ball. (Yes charge isn't force but can be made into a electromotive force EMF via inductors, coils etc.).
Best education systems. Andorra: 3 systems of education in 1 country
No mostly because the wavelength of light is large, and therefore has poor information density compared to electrons.
I use a VPN for everyday browsing, and it's annoying as hell. Whenever a site won't load, I don't know if it's because the site is slow or the VPN is slow. Sometimes the VPN disconnects without warning. Juggling between my personal VPN and my work VPN is a pain. Using VPN on mobile devices is even more painful.

I live in a supposedly free country. I shouldn't have to do this, but corporations have taken my country hostage.