skysight-inc/HackerNews huggingface dataset:
Can you please be more specific about the class of expressions you can optimize in the title?

It is CLEARLY not any mathematical expression, which means that this is clickbait.
> At least: in the aggregate, there are easily observable differences between men and women, and that computer science and engineering schools produce way more male graduates than female.

And yet, that has changed over time, implying that there's definitely a big non-biological component to the ratio.

> If 80% of candidates were left handed

Right, because a biological characteristic that literally doesn't have any effect in professional careers is exactly comparable to a biological characteristic you say does make a difference. Talk about comparing apples with "things I say are an orange, but let's pretend I'm saying are an apple for me to draw this completely irrelevant analogy."

> it's no skin off my nose.

Of course it is not, and that's why you can be so blasé about the whole thing.
I hadn't read that Guillette article. David P Schmitt, the only one whos work was used in the memo doesn't exactly seem to agree with the memo. His third and fourth paragraphs say that any differences between sexes is small and not relevant to work going on at google.

I think we can say that there is a lot of disagreement in the scientific community. The memo painted a much different picture.
Ocado is an interesting case. Their public line is that they're a technology company that happened to end up delivering groceries. They invest a lot in automation and robotics - definitely a hard tech company:

http://www.gizmodo.co.uk/2017/02/inside-ocado-discover-the-h...

This is not a vapourware start-up, they've been leading the grocery delivery business in the UK for years. That said, they have the same problem as Amazon in that they invest so much into RnD that they're not terribly profitable (about £10M on a $1Bn turnover).

That said, in this particular example I don't know how much their solution differs from Royal Mail (which uses fixed routes) or people like DHL, Fedex, et al. Routing isn't exactly a new problem and courier companies presumably have always had a lot of people working in operations research.
How Expedia finds Flights
nice! i'll try it out. solid name
This subject could be easier to address than you might imagine. Moving away from your wife's family is a big sacrifice for her. Is there any advantage to this move besides money?
Well, in a nutshell, it's not a Ponzi scheme, which is not just a random slur you can fire at anything that vaguely seems like fraud, but a specific scheme that works in a specific way.

In particular, it isn't clear to me how you can have a "decentralized" Ponzi scheme without making it something fundamentally different from a Ponzi scheme.

To the extent that BitCoin may be fraudulent or people may be engaging in illegal behavior, it's going to be other things. Perhaps somewhere someone's even running an actual Ponzi scheme using BitCoin. But BitCoin itself is not a Ponzi scheme.
This is impressive marketing, I purchased the class, am happy about it, AND liked the way it was marketed to me.
# rant: disagree with comments not votes!

I disagree with that sentiment.. Are books a waste of money? In-person public speaking events? Museums?

The internet is a global Library of Alexandria, but it's absurd to suggest we no longer need smaller repositories of knowledge or physical copies/originals... Especially as the internet is increasingly fractured, censured, monitored, and otherwise limited.

They serve similar but not identical purposes. Libraries have always been more than the books, just like books are more than the facts contained within.
Reflections on Leaving Airbnb
Congratulations! This is a really nice project, it seems to have the right combination between real knowledge about the car and audio-visual effects to keep people engaged.

I just subscribed to the video course and I can see the preorder offer is a no brainer, skimming through the PDF provided I can see there is enough value on it to easily make it worth the $20 by itself.

So as a suggestion: Highlight the PDF and its content on the preorder page, there is only one mention about it but it doesn't specify its contents.
I've recommended this here before, but David Mermin's "Quantum Computer Science: An Introduction" is also good (like this paper, it's targeted at computer scientists who have a little math knowledge and little-to-no physics background). There's a dead-tree version, but the lecture notes the book is based on are available online: http://www.lassp.cornell.edu/mermin/qcomp/CS483.html
Hi HN,

I work for Expedia, so happy to answer any questions on how things work or dispel any myths. Ask away.
Can you explain this one please?
networking events. (meetups & hackathons)
Just to let here my thanks for all thoughtful answers! (as I can't edit my question anymore). Lots of good insights and useful links in this thread.
A blog about increasing blog traffic, lulz, it's 2017 again.
I agree with you in general but I avoid table names or aliases when the query uses only one table because that adds no clarity. Also, table names are often much longer than "user" so aliases can be useful. I do agree that aliases like a, b, c should be avoided and if an alias is required it should be descriptive.

On my team we have a lot of common table aliases which are used by convention. We understand what they mean and it gets the point across without using 20 characters.
I haven't tried Rust yet, but I've been building libraries in Ruby, Node, and Python that call into a shared Go core, and my experience has been that the best approach is to simply compile static executable binaries for every platform, then call out to them in each language via stdin/stdout. I tried cgo, .so files, and the like, bit this was a lot more trouble and had issues on both Windows and alpine-flavored linuxes.

Is there some issue with this approach that I'm missing? Is the additional process overhead really enough that it's worth bending over backwards to avoid it?
SpaceX launches supercomputer toward International Space Station – Aug. 14, 2017
Welcome to the Jet Age: How AI Makes Online Shopping Carts Smarter
Video: Gas Clouds Wither in Galactic Winds – InsideHPC
The article was only discussing the United States and made no mention of a global project. However, if the numbers work, the world population is going to 9 billion by 2050, so we’ll need a lot of libraries.

If 320 million Americans can’t fund libraries, I’m sure several billion others are in great need.
It depends on how democracy is implemented. It's just a tool afterall...

In Europe you still get more social programs, less f35... (not everywhere though).
I didn't need GRE scores but letters of recommendation are required.
Record-shattering 2.7M-year-old ice core reveals start of the ice ages
Lycos and Yahoo are still around. The book really does not have them?
"The government" is virtually the only entity that has ever taken any interest in space flight. The cumulative government investment in space research, development, and operations is orders of magnitude higher than the the cumulative private investment, and even today in the supposed golden age of private spaceflight more than 80% of the money is coming from taxpayers.
If that is a "great response" I'd hate to imagine what you consider a poor one.

It's an informal reply on quora from someone we have no verification about that cites exactly one supporting scientific study - and that is about bird mating practices. The rest cites amazon bookstore pages, blogs, articles in general interest magazines, other quora responses, or wikipedia articles (which themselves actually undermine the point she was trying to make - eg skimming the stereotype threat article, consensus seems to be it isn't real). The rest is an attempt to justify calling the author a fascist racist sexist etc. etc. and thereby gloss over the actual question at hand (namely, was he right?).

My education is in physics and CS, so I am not qualified to judge what is accurate in something like evolutionary psychology. But when I see a paper that weasely, juking around the issue while engaging in personal attacks, it inclines me to believe the memo is scientifically valid and this sort of emotion based response is the only one available to its detractors.
Coding just burns me out. By the time I get home, I can't bear to even look at my laptop. I have a very hard time doing coding side projects because I'm just to burnt out too code outside of work.
I used to come home and slug a glass of wine or two down. Felt better fast but early in the evening I was tired. Now I just get quiet for a few minutes and then let the brain be what it is. My fog goes away more slowly but I have energy and clarity till I go to bed. In short I think the benefits of not drinking after work are better than if I was drinking. YMMV.
I wish some tech billionaire or rich tech company invested in rethinking healthcare from the ground up (or like Elon Musk likes to say, from first principles) with focus on UX, state-of-the-art technologies and integration. Anytime I use our healthcare (although, this is the Czech Rep, could be different in USA), I feel like it should be easy to design a better service.

Basically, something what Tesla did, apply Silicon Valley tech startup mentality in a non-tech industry.
And it means "Your dad sells Avon", Avon being a door-to-door selling multi-level-marketing makeup brand.
Ask HN: How much runway did you have when you started your startup?
How much runway did you have when you started your startup?
The guy probably wants those fat stacks that come with COBOL, but I agree, there are not gonna be any entry level COBOL positions.
They are launching a satellite, the headline is accurate.
Gold and diamonds have industrial uses and so some inherent value (even if a seller's cartel in both cases overinflates them). Fiat currencies are backed by big militaries, which, again, is an inherent value.
Falling Robots Are Funny, but That’s How They’ll Learn to Take Your Job
If they're made on-Amazon, and to someone with a 5-15 year Amazon profile, Prime, etc., shipped to home, etc., and with Amazon as the merchant (so they're going to handle CS rather than chargeback), yes, I'd take the bet that Amazon pays <2% for the Amazon Prime Chase Visa transactions for Prime customers on amazon.com. It's pretty low risk for MOTO compared to a card used at a random merchant online.

(Unless Amazon pays a higher fee but considers the 5% return to customers as some kind of "increase net spend on Amazon" benefit, but I think that's just Chase trying to kill Discover)
I literally died laughing when I read it.
Depends on the shop. Target, Walmart and CVS are really good about being able to check inventory at the local store online, then buy the item online, and pick it up at the customer service counter in an hour or two.

This is the model that Amazon will have to beat. And the only way it can do that is through offering a better selection. Which should be possible since Amazon won't have aisles to stock.
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Here's a more in-depth talk by Daniel Egloff (given at GTC 2017) that really gets into the details: http://on-demand.gputechconf.com/gtc/2017/video/s7139-daniel...

Full disclosure: I work at Jet.
Medical field too, I've seen numerous COBOL jobs out here.
The solution to link rot (and to privacy invasion) is to download the internet.
One could imply both Trump and Brexit are a tropical disease.
> Remember GeoCities? The web doesn't anymore.

Bad example:

http://reocities.com/
You will be accepting a decline in quality of life to move to SF for work (increase in salary is not congruent with your increased expenses), and must decide if its worth it.

I'd suggest looking for full stack remote jobs where you'll make $100k-130k/year while remaining in Ohio (if thats where you want to live). Leaving a support system/family behind if you have a child (and considering another child) is not trivial.

Work remote, live better, visit SF once or twice a year for conferences to network and mingle.
Yet if I want to make a serious study of something, I hit the textbooks. The internet is, in my experience, a poor replacement for a stack of well written physical textbooks.

The internet may be a big library, but in many ways it's not a very good one.
Just because a domain is around doesn't mean it has the same URL structure. It's tricky to change CMS without getting 404s aplenty.
Everything That’s Inside Your iPhone
Well, I did two builds of the package and they had different contents varying only on this secret key :) No special grep required!
What is "the submarine"?
Current bitcoin holders can only see gain if new "investment" (I find that term funny since it's a "security" with no fundamentals) comes in. That's pretty much the definition of a Ponzi scheme.

Perhaps somewhere someone's even running an actual Ponzi scheme using BitCoin.

Sure, but that's a different question. I'm talking about new investment in a security being the only source of increased value in that security. Which is what a Ponzi scheme is.
I think this is a good idea. I would add YMCAs and similar places.

I think one of the best places for a mega-philanthropist to invest would be in the time and places that kids spend outside of public schools. Many of the biggest disadvantages in opportunities for kids are created when they fall behind before and after school and during summers, relative to kids who are better off socioeconomically. These disadvantages compound and are lasting. Safe places to engage in healthy recreation, productive endeavors, and getting something nutritious to eat that they wouldn't otherwise have access to would go a long way for underprivileged youth and have an impact for the rest of their lives.
There are plenty of restaurants that are older than 1957. So, you would probably find at least one that was still open. I think the oldest in the US is Fraunces Tavern. New York, NY. 1762.

But, worldwide several predate that. Botin Restaurant dates back it 1725... Oldest I could find was Stiftskeller St. Peter. Salzburg, Austria is still in the same building from ~803.
Related to this, I had trouble finding examples of pre 1996 web design. The internet archive has a lot from 1997 onwards. The oldest live examples of sites from that era, that I know of are:

http://www.w3.org/History/19921103-hypertext/hypertext/WWW/T...

http://oreilly.com/gnn/gnnhome.html

http://www.trincoll.edu/zines/tj/tj12.02.93/tjcontents.html

The BBC also donated its Networking Club to the Internet Archive: https://archive.org/details/bbcnc.org.uk-19950301
FX risk is extraordinarily cheap to hedge against, the futures market is really deep.
Join the conversation at Disrupt SF and save big before 8/18
Aren't there better ways to broadcast the data? Say using SMS services which seem already quite used by farmers in remote places [1].

Also it's unclear how people in these remote places will acquire their first bitcoins.

What I like about Bitcoin is the way that the tokens are distributed (via PoW currently).

If there was a way to distribute a new cryptocurrency, somewhat fairly, within these remote places that have no internet, and let them bootstrap their own economy, now that would be cool.

For these places what is needed is a sort of an "offline cryptocurrency". They don't care about sending 5 btc to the person across town instantly... they care about sending 5 btc to the person in front of them at the market.

1. https://www.theguardian.com/global-development-professionals...
At least in the United States, it's legal to buy and ship the spores in almost every state (one notable exception being California).
I can't say why they don't run afoul of the laws, but my realization of value of a system was due to Bitcoin. For Bitcoin to have 'monetary (dollar) value' people have to exchange 'real money' for them, putting monetary value into the system. This money becomes the pool of money or value that the system has; Ponzi schemes require that new users are providing the cash to pay the old users, but a ponzi seems for early users to be about constant guaranteed return. There is no guarantee that a whale won't take their holding out of BTC, but that's their choice, not a requirement of BTC, even though the new users (investors) are providing that cash.
I agree with some of your points, like that there is a sometimes a bit of motte/bailey with the term "racist". But I don't see the Saturday statement as a denunciation (as the word is generally understood by the media and public).

If after the San Bernardino shootings, Obama had said: "We condemn in the strongest possible terms this egregious violence and use of force on both sides," I don't think it would have been accepted by the public, not just with the partisans, but more generally. Because it makes it sound like Obama considers the police that shot the terrorists to be as bad as the terrorists.

I think we have the same situation here. "Racism" sometimes is used to label non-racist people, but that is not the case here. The protesters were actual racists, like Nazis, KKK, white nationalists and so on. I.e. groups that really do want to racially discriminate and worse, i.e. racists i.e. bigots. These people should be denounced because they are bigots and because they became violent.

The counter protesters aren't bigots. If counter protesters were instigating violence (I don't think they were), then I of course don't support that. But even in that case it only makes sense for Trump to clearly word the statement in a way that makes it clear he is only denouncing the counter-protesters for being violent, not for being bigots.

I'm sure the counter-protesters aren't perfect people, but that doesn't mean we can't differentiate between these groups. http://lesswrong.com/lw/mm/the_fallacy_of_gray/
Understand that China, culturally, doesn't focus on World Domination. They view China as being able to attain heaven on earth and that as the "Central" Kingdom, between earth and heaven, they have the mandate to hold at bay the "Four Barbarians."

[1]https://www.forbes.com/sites/realspin/2017/03/08/the-demise-...
[2]https://en.wikipedia.org/wiki/Four_Barbarians
The more people who find bitcoin useful for settling transactions, the higher the short-term value there is in bitcoin. Sustain this long enough with enough people, and you have long-term high-value. It's useful as a currency, nothing Ponzi about it.
I'd like to see some billionaire put a lot of money into abortions. The political fight over abortion keeps messing up other things, and a billionaire could fix that.

For example, I don't think many on the right disagree that funding prenatal care is a good thing--but some major prenatal care providers, such as Planned Parenthood, also provide abortion services and so some politicians want to cut all their funding to make sure none of the Federal money goes to abortions. A whole bunch of women's health services get cut in order to make sure there is no chance the money ends up helping abortions.

So I'd like to see some billionaire, or some well-funded charity like the Gates Foundation, build several clinics that provide free abortions around the country in the states with the least restrictions on abortions, and fund a program that provides free travel to and from those clinics for women in the states with restrictive laws that have forced most such clinics to close.

Then organizations like Planned Parenthood can get completely out of the abortion business, taking away the major excuse that is used to cut their funding.

State legislators can stop spending a lot of time coming up with new ways to try to shut down abortion clinics in their states (because shutting down such clinics will no longer stop the abortions), and state attorney generals can stop wasting time defending those attempts in court, and maybe they will finally realize that the best way to reduce abortions is to make it so people don't need them in the first place. Maybe then states like Texas can drop their idiotic "abstinence only" approach to sex eduction (which has resulted in soaring teen pregnancy rates...) and switch to something actually effective.

Edit: any down voters care to name specific objections? That Planned Parenthood provides a lot of useful women's health services that are not related to abortion should not be controversial. That abortion is the main reason Congress wants to completely defund PP should also not be controversial. That "abstinence only" programs are a massive failure is pretty well documented. That many states keep passing abortion restrictions which then get challenged and often struck down as unconstitutional is not controversial.
Pg's article on pr firms who hand busy writers readymade story material. http://www.paulgraham.com/submarine.html
Maybe this would make more sense in llgo. I don't know how it's structured, but if it it uses the abi/calling convention of llvm and possibly llvm's segmented stack it might be (waves hands) a little easier to integrate with rust.

As for concurrency and system calls, I'd say that go people probably would get a tremendous amount of value out of just single threaded rust code that didn't do I/O. Like parsers.
http://www.paulgraham.com/submarine.html

TL;DR: A planted advertisement article.
Unravel your REPL
No, if they were launching a rocket full of Hard Drives with bitcoin wallets on them it would be literal. They aren't adding anything that my partents aren't gettin out in rural USA with their current satalite internet. (remindes me, need to pay my dial up bill before I go out there next week)
I think it's wrong, but it's not absurd. Let's argue, not shout down.

It's true that the Internet is often fractured, censured, monitored, and otherwise limited, but the same can be said of libraries, unfortunately; an example: https://en.wikipedia.org/wiki/Library_Awareness_Program
4.6M tonnes is within the range of the old-growth/new-growth estimate on a per-tree basis (CO2 is ~3.7x the weight of carbon).
Bitcoin can be transferred from anywhere to anywhere, with almost no interference. That is its inherent value.
But not all uranium and plutonium can be manufactured to weapons grade.
It was every search engine except google. Hmm.
I agree that executing fewer SQL queries is often better for performance.

However, it is possible that an elaborate SQL query that has to use many joins, correlated subqueries, and other operations can be harder for the SQL engine to optimize and execute quickly than a set of more straightforward queries.

Furthermore, these queries are simply hard to write, hard to modify, and hard to debug. I am hoping that these checks would serve as hints to developers to simplify and modularize complex SQL queries.
The option to change the default browser causes no confusion in their desktop OS and it wouldn't in iOS either.

You won't cite anything because you can't. It's quite clear that you're wrong. Sorry.
I found a video on YouTube when I googled for it, that was kind of homophobic. Let's just say "Da" is short for "Dad".
That's not how it works. The price is set on an exchange by supply and demand like any market.

If bitcoin owners hold their supply, and buying interest mounts, the price will go up until an equilibrium between buyers/sellers is met (the "market price").

It's really no different from the stock market, except the asset is different. For the stock market the asset is company ownership, in the crypto market the asset is the cryptocurrency. Cryptocurrency has value, frankly, because it has valuable properties. Currently as a convenient value store (think of Chinese investors storing wealth digitally instead of in NYC/Vancouver real estate), but the technology is developing so there's a lot of speculation that it could have further values we haven't discovered yet. The fact that investors are speculating on unknown future valuable properties of the tech instead of known cash flows is what makes crypto investing high risk - if the tech ends up truly being transformative then early investors will win big, if not then expect a bloodbath.
Single Payer Is Not a Principle- the Principle Is Universal Coverage