skysight-inc/HackerNews huggingface dataset:
This is a great resource but lists like these without the accompanying answers are always frustrating to me.

I would like a way to be able to check that I am right.
Switched from Django to Tornado a few month ago, and I've never looked back since. In Tornado everything just seems to makes sense and nothing gets in your way. I've worked with Django for couple years and never felt this way.
If that's all your phone does and that's your objective then great. Congratulations: you've won. But you're also stuck in 2007.

If your objective is to make boatloads of money on a mobile ecosystem, that's not going to help.
I think it's weird that they differentiate between blogs and Facebook. Facebook is a blog, like Myspace was. Even Twitter is just a mini-blog.
If you're moving with a speed near the speed of light, time-passing for you will be slowed down compared to a person that is standing still.

And if you would stay, say for a minute in that speed and go check on the standing person, you will perceive that she is aging very fast.
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If you were moving in a "completely horizontal" direction, wouldn't you not be moving through time at all, but only through space? That means you could move infinitely fast, not with a strict limit.
Some might call that science.

It's worth thinking a bit about what a satisfying answer might be like for you. Maybe there just isn't a way to understand or think about the question that's satisfying.
>I don't yet have sufficient karma to downvote, but personally, I'd like to see all downvotes accompanied with a note or counter-point.

I downvoted you because I disagree with you. Is that the kind of note, you'd like to see clutter up comment threads?

Lots of little notes about why various readers downvoted various comments would be a net loss for the reader. Also, I don't see a reason why downvotes should require any more justification than upvotes. If people hardly ever downvote, then the way to get a lot of karma is to write a lot of comments. If there's anything the internet provides more than enough of it's volume. I'd gladly sacrifice half the commenting volume in exchange for higher comment quality, but an upvote-only system gets the opposite.

Worse still, if downvotes are rare, then many of the top comments will be those that are particularly controversial or divisive since readers who agree will upvote, but many who disagree just don't feel like taking the time to write a note or counterpoint. In the long run, a mostly upvote system will lead to more inside jokes, more inane internet memes and more loud but poorly reasoned assertions.
I just lost my wallet in Palo Alto. There's nothing of sentimental value in there other than my Coupa Card with $50 on it, which if returned to me in 40 years will hopefully still be enough money to buy at least one latte.
Vinicius Vacanti listed some helpful tips in a recent blog post, "How To Get Your First 1,000 Users:" http://viniciusvacanti.com/2011/02/08/how-to-get-your-first-...
But there is no such thing as moving in space.

You can only move relative to another object. You may even move fast relative to one object and slow relative to another, meaning your clock ticks at a different rate relative to each of those objects.

There is no absolute clock - you can only compare your clock with someone else's clock.
Organic search, particularly scalable content generation: my bread and butter. This has worked fantastically well, including when I was just working on side projects, and requires no gatekeeper approval. It is also free to get started working on, and plays to many of the strengths of technical founders.

AdWords: other people execute better than me on this, but my AdWords has been routinely profitable for the last few years. I recommend a small budget while trying to find a mix that works, then blowing it up.

Facebook ads: like setting money on fire.

Facebook viral mechanisms: apparently not a great fit with my product, and ways I can see to improve this would make it difficult for me to look in the mirror.
I found that the author gave a great setup for an explanation, and then balked at giving the actual answer.

> For right now, if you just believe that four-velocities can never stretch or shrink because that's just the way it is

In other words, nothing can go faster than the speed of light because that's the way it is? The author needs to explain why the magnitude of this four-velocity vector is the speed of light! I was hooked after the first few paragraphs, but then felt like it dead-ended in a circular argument.
Good times that was - Fox Interactive sent me a Cease and Desist a week after I launched. :)
But it still makes you wonder how this idea should be understood: Does it mean it is actually impossible to travel faster than the speed of light, or just that you can, but bad things will happen (like coming back too late, or so big that no one will see you, etc)?
No, you would see her aging very slow. Since you are standing still, and it's she who is moving near the speed of light.

And if she checked you YOU would be the one aging very slow, since she is standing still and you are moving fast.

You are still thinking in terms of absolute motion "you're moving". You are not moving, you can only compare your speed with someone else's.
I disagree, but we've gotten a bit off topic.

I think Python's behaviour is confusing and basically never what anyone actually wants. Regardless of whether or not you can use other params in defaults, the defaults should be evaluated on each call.
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No, you would not be moving at all.

Compared to yourself you are always standing still, and your clock always ticks at what you think is a normal rate. Other things may be moving relative to you though and THEIR clock might be slow.

(Unless you accelerate, in which case things get more complicated.)
'you could do so much more'

Could you elaborate on this? It is not immediately obvious to me.
From the link:

What is the next line in the following sequence:
1
11
21
Answer: it's 1211 and the next is 111221

Why would 31 and 41 be illogical answers? I understand where 1211 comes from, but 31 and 41 are totally logical IMO. It's a linear function that goes up by 10.
No, it's impossible.

No matter how fast you go, if you measure your speed (relative to something else of course) you would measure a speed lower than the speed of light.
Facebook Co-Founder Backs Qwiki
Sometimes? Judging by the number of bewildered comments here I would say everytime!
Inflammatory and pragmatically useless?
Tracking the Frequency of Twitter Hashtags with R
I work at Hawk Host - we restored a lot of the Peachy Dandy accounts so you might want to submit a ticket to our support department (https://support.hawkhost.com) and we'll see if we can get you your stuff.
The difference here is that nobody is silly enough to use peanut butter as a cleaning agent.
There is a lesser known variation of "find a cycle in a linked list". Given a function

int f(int arg);

that returns a value computed solely from arg, find the length of the repeating sequence in

f(x), f(f(x)), f(f(f(x))), ...

The primary use is determining the period of a state-less PRNG such as a linear congruential one.
Ask HN: As an iOS developer... whats your biggest pain point?
Just curious to hear what fellow iOS (or any mobile platform) developers find to be the biggest pain point in creating applications.

This can be anywhere in the process from prototype to programming to submission to marketing to customer feedback.
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Ask HN: Any help on finding my startup a nice new home/owner?
Hey guys,
I'm looking to sell my startup due to lack of time. I think it has a lot of potential (it's much like AppRedeem, Apperang, and Tapzilla), has 700 users (about 50 active), and has had past revenue of around 600.

I'm a college student and simply don't have the time to make it successful without angel funding and a full time commitment but I think another developer who wants a side project would be able to really push it. I've invested about 3k of my own money into it, and am hoping to get a small amount back (a couple hundred maybe?). I put it up for auction on flippa for more than I thought it as worth (10,000) just to test the waters and had an unsuccessful auction. I just wanted to reach out to HN to see if I can find a good home for the startup before I start a flippa auction with no reserve at all. It's been my tiny baby for the past year and I would love to see where someone can take it.
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I don't think people lie about being in relationships (unless it's a joke same sex heterosexual thing), and they definitely don't lie about breaking up. Sure some people won't have a status at all but nothing you can do about that.
It bears repeating: good interview(er)s will try to determine how you think, not your end result.
I do a decent amount of interviews (maybe 2-3 a month), and we by and large are looking for people who can think through a problem, defend a solution, ask good questions, not give up, and appear to be cool to work with. That's it. Some of these questions are great, fundamental CS stuff that I would expect any engineer to have in their back pocket, but some are trivia. Trivia is great, but if you dont't know it I wouldn't hold it against you.
I guess my point is to relax. If you thought about some of these things and answered them, great. You're better prepared for next time. Memorizing answer sheets doesn't help in the long run
"Right now Flickr video does support HTML5, but apparently only if it detects you have an iPad. "

Wait,They just have to enable it for the web. It is not lack of innovation. They do support HTML5.

I have seen lot of anti-yahoo posts in tech crunch. This is one of them.
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Am interested. email me - my email is in the profile
I have a 16:10 monitor, I had no idea it is hard to get one.
There is no absolute clock - you can only compare your clock with someone else's clock.

Look, I'm only a layman, but from what I understand, the speed of light is the absolute clock.
"From my point of view, not being able to define new syntax is as serious a limitation as not being able to define new functions, or data structures."

Which is exactly my point. We've gone from "Well, I can use it to define a ternary operator" or "I can use it to define a 'with' block" or "I can create continuations" or a number of other specific examples to "Uh, well, I just like them, here I do this with them" and in my experience there's always an easy "Well, the Pythonic way to do that is this and it's not all that much harder, may even be easier, and is a standard part of a relatively simple language rather than your own hand-rolled thing".

It's a very different argument than it was ten years ago when I first got into Python. It's gone from really strong pro-macro points to personal opinion. I respect and acknowledge that opinion, no sarcasm. But it's not the same.

Your last paragraph isn't relevant to me because the specificity of your example is misleading. It's really hard to come up with an actual macro use case that is not covered by modern Python and is still actually a good idea. (It's trivial to come up with bad uses of macros not covered by Python, but I'm hardly crying about that.)
If that's true, how come the mythical astronaut is young when he gets back to earth while everyone else has aged? Why not the other way around?
I would just explain that a photon has zero mass, but nonzero energy and momentum and finite velocity. Intuitively (meaning: in a Newtonian universe), one would think that a particle with zero mass would have to have infinite velocity to have nonzero energy and momentum, right? And yet, its velocity is finite. That demonstrates that the universe is not Newtonian. It also sets up an intuitive connection (which is what we're looking for here, right?) between the speed of light and one's intuitive sense of an infinite velocity.

Again, of course, this brings us to the question of why the universe is this way: why it is Einsteinian rather than Newtonian. But that question really belongs to the realm of metaphysics, not that of physics.
Care to share some details about your FB ad attempts, please? Seemed like the social graph could improve the targets of the ads.
I delivered a bizarre product for PSYOP [1] that involves crafting "lines of persuasion" for target audiences; another that prescribes chemotherapy regimens based on genetic profiles of tumors; and finally a wiki → docbook → latex compiler for textbooks.

A few things that really came in handy: XML ↔ S-expression equivalence (for writing functional XML parsers); code-data unification (for structurally composing documents); arbitrary precision arithmetic; etc.

[1] http://en.wikipedia.org/wiki/Psychological_Operations_(Unite...
Scientists warn of a $2bn "solar Katrina"
Yes, but that kind of motion (tachyonic) is unphysical. It violates causality: you can imagine that by "rotating" the "horizontal" motion very slightly "downwards", in a different reference frame it is backwards time travel.

The salient thing is that there are three disconnected classes of 4-vectors: timelike (massive particles), spacelike (tachyons), and lightlike (massless particles). Lorentz coordinate transforms can only take you between 4-vectors of a particular type: e.g. there's no inertial reference frame where timelike motion looks like tachyonic motion.
I keep hearing this and am curious:

Why don't you think node.js is a fit for a fully fledged dynamic website? What things is it missing?

I know its been used as a high performance tool historically but whats holding it back from becoming more?
Machine learning isn't perfect, news at 11. Google Translate works by taking a large corpus of documents that have been translated into various languages to train a model. The input phrases are then interpreted using the inferences the model derived from the corpus. If there was not enough information relevant to the input the model is basically guessing. It gets things wrong. There isn't a wizard behind the curtain.
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if you DO go, consider looking into co-ops for your living arrangement. Fairly cheap and you get a pseudo family as part of the deal.
I have no idea where the legal line lies in most situations, but would be interested if anyone does know it.

Sure, I deal with this on a nightly basis, when I'm at work. Most state laws stipulate that the only reason a hospital can hold someone against their will, is if they are a danger to themselves (in imminent danger of committing suicide), a danger to others (in imminent danger of committing homicide.) or gravely disabled ( e.g. walking around quacking like a duck and drinking from puddles).

And, even then, an ER can only place someone on a 72 hour hold. Then it has to go to court to hold someone against their will on a 10 day paper.

Getting someone committed to rehab for alcoholism is generally a court driven exercise that happens after a person has multiple DUI's or instances of committing crimes that are drug use related.

The law takes committing someone to drug, alcohol or psychiatric treatment against their will very, very seriously and only does so in extreme circumstances. And, frankly, providing a wet house for people to continue to choose to drink themselves to death is probably the path of least resistance, it's cheaper and in my opinion is the most humane of all the bad options.
I think the intent is for it to be downloaded.
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> Do the contracts specify any language requirements . . .

They did; and, in some cases, I risked losing my job by writing in Scheme. I eventually prevailed, however; and, in one case, converted a Python shop.

> And, in your experience, do any military projects still require Ada?

Java more than Ada, in my experience; but I wonder if Ada's niche isn't aviation and other real-time systems.
One of my very favorite methods is creating plugin/add-on integration for various platforms/software. People who use the platform/software will tell other people that they can use your service with it. It also gives you license to promote yourself in the appropriate directories/forums.
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Hmm so if someone moves near the speed of light, time basically stops for everyone?
What sort of programming positions?

I've done a fair amount of web development in PHP & Python (as well as introductory C++ & Java). I had to look up "linked list" on Google just to get some understanding of what that is.
Well, I feel pretty stupid now.
The astronaut accelerated, the people on earth did not.
But the speed of light can only be measured relative to YOU. So what looks like 90% of the speed of light to you, can look like 10% of the speed of light to someone else.
All problems of the form "Provide the next number of this sequence" are attempts to demonstrate that you think, or are capable of thinking, in a fashion similar to the way the decisionmaker thinks. 31 is a totally reasonable answer to that question, mathematically. So is pi. So is "zebra". (The question was "Provide the traditional lexicographic sorting in English of the elements zebra, one, twenty one, and eleven, except o comes before e.")

The reason that 31 is not a good answer in terms of securing a job is because your decisionmaker prides himself on being intelligent and he does not see arithmetic sequences as being sufficiently impressive. The reason pi is not a good answer is, despite there being uncountably many mathematical phenomena for which {1, 11, 21, pi} are correct answers, it is insufficiently elegant/tricky for what he has in mind.
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You have two options:

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2. Open up the code on your computer once you download and verify it against Github.
Today's Internet gurus, in Vogue!
"Acquaintances who occasionally happen to bump into each other. Naked. With our crotches."

http://questionablecontent.net/view.php?comic=1221
Probably for no reason other than it's too easy. Generally these questions seem to not be oriented around "seeing how you think" as much as they are about seeing if you come to the conclusion the interviewer wants you to come to.
Remember - he isn't moving near the speed of light THEY are. He is standing still.

But if he accelerates then things are quite different, and much more complicated.
I don't really need Karma points for anything. Maybe I should just have written a 2 sentence post with the submission title and put a link to the TC article.

I just thought this was shorter.
They accelerated away from him though. If there's no absolute frame of reference how can you say who accelerated?
From which reference-frame are you asking?
You know, I'll just throw this out there: as someone who's written a lot of code with Node backing it, I've run into maybe one scenario where I've brought client and server side logic together.

They are two separate models, and will most likely remain as such for the foreseeable future. While I can only speak for myself, I'd advocate using it because the language is indeed nice, and much more flexible overall than some of the alternatives. On top of that, it's got several large companies with a vested interest in its development, which is far more than can be said for some of its competition.

Really, the point I'd like to counter here is this: your productivity does not skyrocket, and it's not necessarily the reason to want to use JS server side. For example, the JS syntax works incredibly well for event based programming, and is largely tried and true with its use client side. That's a reason to want JS on the server, and I really wish people would quit throwing around the reusability claim like they do.
After reading the comments, I am more for that there will be another site that will allow users to waste time. It is not just either a site kills Facebook or it does not. I don't think hype around Facebook can kill entrants. If the entrants dies, it will be because of their own poor execution or just having something that users don't need. The fact is, if you create something that users want and you can spread the word about it, you will get the users, regardless of how big other websites are.
You do have to understand why Facebook is so popular. They have made themselves a platform, which attracts developers and gives them a way to keep the website fresh and have something new over the years. Emergence of Facebook does not makes it Google killer, both companies have their own problems that they are trying to solve. There is room for co-existence.
Apparently it was also mentioned in The Facebook Effect

http://www.allfacebook.com/facebook-knows-that-your-relation...

"Zuckerberg sometimes amused himself by conducting experiments ... he studied who was looking which profiles, who your friends were friends with, and who was newly single, among other indicators..."
So, what do you think is going on at Twitter?

It's an experienced set of investors and entrepreneurs, but they seem to be making rookie mistakes, over and over again (first with scaling the tech+business and now with the way the API/ecosystem, which was instrumental to their success, is being handled). Have you seen this before? What the hell is up at Twitter HQ?
Because unlike speed acceleration is not relative.

Acceleration can be measured without reference to anything else. If you are in a box and accelerating you can measure it - it feels exactly like gravity.

He feels that gravity, they don't.
Lots of differences. node.js is an async development framework. Tornado is a synchronous development framework that is slowly building up asynchronous alternatives where the need is great enough until it eventually becomes twisted or people just deal with the things they can't do.
"[...] it's utterly inaccurate and incorrect. There is no such thing as "moving through space"."

I think you're missing the point here. She's not trying to teach people the perfect semantics, she's trying to progressively teach them concepts that are tricky to understand and assimilate, step by step. And in a way they can relate to.

By the way, she addresses what you brought up in her first followup (with yet another compelling and easy to understand explanation).
I've got both my parents using it, mainly just as a file sharing service (drag file into dropbox, get public URL, paste in email). It's easier for them to understand than a file sharing site like Rapidshare.
easyffi has been superseded by bind [1], apparently.

[1] http://wiki.call-cc.org/eggref/4/bind
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