skysight-inc/HackerNews huggingface dataset:
Every employee has a right (and in some ways, a duty) to criticize his / her employer. This is how a company improves.

I am just surprised that given the vibrant startup environment, TechCrunch hasn't been replaced by a decent news source in that format (e.g. a more blog-like version of HN with some sort of an editorial voice).
Nothing wrong with that, YC pretty much (re)wrote the book on tech incubation over the past 5 years, and is still doing it. They're the 800lb gorilla of the domain.
The speed of light is always 'the speed of light' regardless of your reference frame, however the speed of other objects is purely relative.

The 'what' in "So what looks like 90% of the speed of light to you, can look like 10% of the speed of light to someone else." is referring to something travelling slower than the speed of light. A train or bullet perhaps. In different reference frames it can be said that this train/bullet is travelling at different percentages of the speed of light.

That's why it gets weird.

EDIT: To illustrate this, lets say we're sitting on the earth watching an astronaut. Relative to our position, he is travelling at 1/2 the speed of light. Now, some joker decides to shine his laser pointer at the astronaut. From earth we see the laser beam^ blast past the astronaut at .5c (.5c + .5c = 1c, the speed the laser light is traveling).

NOW! from the astronauts perspective! Instead of seeing the laser pass him at .5c, he sees it pass him a nice proper 1c. weird, but it's how the universe works.

^reflecting off spacedust of course :P
I think there is also a veil of saftey / easiness through using native apps through an app store for the lay user. It is purchased through apple and is physically on your phone and has a nice little icon on your background. It is "apple approved" so it is safe. You don't have to go through safari to some random site. I think phonegap was trying to solve this by wrapping websites within their framework but I don't know how much traction they have gotten.
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http://www.charlierose.com/view/interview/10943

This is the person who jumped to mind first.
Of course I love that they're seeking out entrepreneurial talent, but the article doesn't seem to make mention of how they're going to target that in interview questions. Definitely curious...
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For monitoring, Pingdom has a basic free account with uptime/response time monitoring and email notifications. If you host your nameservers and email (Google Apps?) elsewhere, losing a web host isn't quite so bad. I also unfortunately just went through this with my personal VPS a few days ago, with Hazenet disappearing off the face of the planet.
It beats the alternative: why are you still marked as "single" on Facebook?

If you just leave it off, you can at least make a case out of principle for it.
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> Maybe it helped you, but it's utterly inaccurate and
> incorrect.

Utterly inaccurate and incorrect as the Newton's second law? :)
I find a lot of the stuff in the Scheme sphere well-written, clear, concise, comprehensive, and eye opening (from the "lambda papers" onward...although the early history of Scheme is probably not exactly the kind of documentation you're asking about). I've learned an enormous amount from the Dr. Scheme documentation (I guess it's all "Racket" now). As another example, the documentation for Gambit-C is a real pleasure to read:

http://www.iro.umontreal.ca/~gambit/doc/gambit-c.pdf
Does it work in the other direction, or can you only take away time velocity to give to space velocity?

i.e., can you make your time slow down by coming to a full and complete "stop" in space, since I assume nothing in the universe is truly at rest?
The headline reads like one of those ironic Onion "everyday thing that's not really news" headlines.
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1. Because it's not really their job, the core team ports their own libraries and (as far as I know) are always available to help others do so for theirs.

2. Because some of the Python 3.2 fixes and improvements are needed for library migrations.
Me too (http://min.us/mvj29Ld), mainly using Pentadactyl[1].

[1]: http://dactyl.sourceforge.net/pentadactyl/
A linked list is a pretty elementary data structure. That being said, these questions seem like they're for a job writing client software on Windows some time before .NET existed.
If she had started by explaining relativity her post would have been twice the size and she would have lost half the audience. Doesn't it matter to you that people were actually interested in the topic and participative?

And why is a follow up no good? She didn't follow up to fix anything. She followed up to follow up. (And mentioned it by, yes, editing her article).
Not at all. However, if they enjoy it, I'm not convinced they're sane either.
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I've gotten some of the least techie people I know using Dropbox. It's surprisingly one of the few new tech products that's really just caught on with computer users of almost every skill level and sophistication.
> Also Git didn't work very well under Windows at the time if I remember correctly.

Yep, Windows wasn't well supported so it was a pain to setup, and it was very very slow.
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How do you ensure people don't scam the system?
"So is there any such a thing as a complete and full "stop" in space"

No, and that is why in a nutshell why this explanation is actually doing a disservice.
features that someone never uses aren't really a selling point.
My completely unsolicited experience: I didn't think I really wanted a tablet until I went out and bought a Nook Color and hacked the thing. Even in it's really rough state, it's become a constant companion. I really like the smaller (7" I think) form factor of the device. I tried an iPad and it was just a bit bigger than I wanted to tote around. A slightly smaller version fits me just right... with a proper case it's as easy to carry as a book.

I can't wait for honeycomb to hit AOSP, then this $250 device is just a steal.
"You are given an array with integers between 1 and 1,000,000. One integer is in the array twice. How can you determine which one?"

Sum(Array) - 1000000(1000000 + 1)/2 = X

For the other part it's just

1000000(1000000 + 1)/2 - Sum(Array) = Y

EDIT:
n*(n+1)/2 is the formula for the sum of the numbers from 1 to n
I can only comment on webOS and android since I haven't yet bought a mac to experiment with iOS. Compared to android webOS is a delight because it uses Javascript/HTML/CSS and any web developer can write a webOS app after a few simple tutorials to get acquainted with the APIs. So I'd say the biggest pain point on android is Java because from an architectural standpoint everything these days is MVC and android doesn't deviate from that.
I randomly chose an entry and found 'Women and Graphics'. Not only was I disappointed, I was confused.
3 months ago I would agree. But just recently many things have come together for node.js.

uglify.js, mongoose, and stylus, just to name a few.
No, but Java is static, you have to recompile it every time you edit it. The draw of XML-based languages for the Java community is that you don't have to recompile them. Hell, it might even be possible to reload them on the fly.
A general "solution" to these kinds of sequences, if the sequences are mathematically related, is the method of common differences (e.g. http://www.purplemath.com/modules/nextnumb.htm). It would give 31 in this case, but it works for many other straightforward sequence-type problems. The basic idea is you calculate the difference between every two adjacent numbers to create a new sequence, then do the same for that; often the pattern becomes very clear then.

Ironically, the "problem" at hand appears to have come straight from that tutorial:

http://www.purplemath.com/modules/nextnumb7.htm

> Find the next number in the following sequence: 1, 11, 21, 1211, 111221,....

> This looks like a "math" sequence, but it isn't really. Instead, each term is a description of the preceding term. The first term is just one "1": 11. The second term is two "1's": 21. And so forth:

one 1: 11
two 1's: 21
one 2 and one 1: 1211
one 1, one 2, and two 1's: 111221
three 1's, two 2's, and one 1: 312211

So the next term is "312211".
I can vouch that I know Oo personally, and he didn't submit this for easy karma. Not sure why he did submit it, though...
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I think the biggest reason here might be that most Verizon customers who wanted to switch to iPhone without switching networks purchased an iPod touch to get iOS without switching networks. If so, they simply transfered the apps they'd already purchased to their new iPhone and kept on using them as before.
An absurd question that reveals little about a person's programming ability. I would change the question entirely:

On a Cartesian grid is drawn a solid logo (e.g., show a picture of the Batman logo from the 1989 film), where each square represents a black or white pixel. How would you represent the image if you had to type the data points by hand for the computer to draw?

Both questions elude to run-length encoding.
At top-tier software companies, expect all of the (applicable) questions to be accompanied by the "and what is the runtime complexity of your solution" followup question. Depending on your abilities, the interviewer will try to lead you towards an optimal solution.
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Yes, you can say that. (But it isn't what you said before.)

And be careful saying "accelerate from each other", once you start including acceleration things become much more complicated.
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a very short time at a company

Well, the author says it was two years, which doesn't seem like a short time at a company these days. And part of it was in 2007. I'd say he was well situated to understand things like the company's usability blind spots and why it couldn't really understand the thinking that went into the iPhone.
The question why a certain velocity, c, cannot be exceeded, is what was actually asked (and answered very well). The question why it's that particular magnitude is a different question.
Bristol, although I do travel to Birmingham and Manchester quite a bit. I've not seen a single iPad in any of those places (except at the Apple Stores).

I think the iPad was always going to struggle because when compared to the iPhone it is less likely for someone to be seen using a tablet than a mobile phone.

As I said, the figures may be impressive, but I'd lump this in with Apple TV as being a good idea that will struggle to find a long-term market outside of the typical Apple users.
Who are "they"? I imagine the overlap between people working on the core python language and people maintaining popular third party libraries is pretty small. Or are you suggesting that Van Rossum and friends drop python development for a year and start hacking on NLTK and PIL instead?
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People often say that, but I can read my iPad fine even in bright sunlight when I turn the brightness up. And I can also read it in the dark without an external light source.
esp. since I'm reading at night, and don't want to have a light on

Eh? So... a tiny booklight integrated into the Kindle's cover counts as a 'light' and is therefore Not Good, but a sizeable screen that lights up your face and what's behind it is apparently Kudos Awesome?
I'd add a [2007] seeing as this is out of the CNN archives...
You mean to say they will be approaching each other at 81%~ speed of light.

http://en.wikipedia.org/wiki/Velocity-addition_formula

Surely you must read up on modern physics a little bit, sir!
Kevin ham, I despise you. I also despise everybody in that right hand sidebar. You ruin the internet.
The problem here is that when explaining things improperly to be "good enough" you have to be very very careful to make it clear what you're doing.

In my opinion, she failed to properly do that and crossed the line between "helpfully simplifying" and "incorrect".
Woah, you may want to learn about those.

Understanding algorithmic complexity and knowing which data structure(s) to use to solve a given problem are universal skills.
or is masquerading as knowledgeable but is a patent clerk with no scientific credibility.

It appears that these patent clerks with no scientific credibility are some of the few great things the patent office has bestowed upon us.
Dan Bernstein's CurveCP in experimental release
This reminds me of a greatly expanded version of Ryan North's "Time Traveler Essentials Shirt":

http://www.topatoco.com/merchant.mvc?Screen=PROD&Store_C...
The big question is: will there ever be depreciation of domain names?
Let the kids who think the world cares about how they love ponies get rid of their blogs and move towards twitter. There are still plenty of smart people who have useful and important things to say that are more than 140 characters.
Nobody can explain why that is the case, as little as anyone can explain why the universe exists. It exists and has certain properties that define its existence. These are just irreducible facts of nature.
This explains why there's a limit to speed but not why this limit is light's speed.
How can acceleration not be relative if velocity is? Isn't it just the derivative of velocity? How do you escape the relativeness? Or is that what all those theories of relativity are about?
Remember the break from Numeric to numpy / scipy.core? Matplotlib managed to port OK, which was not small feat.

The fact that you could do lots of try/excepts helped:

try:

import Numeric as np
newaxis = np.NewAxis
...
else:
import numpy as np
newaxis = np.newaxis

I think that was about 10 years ago. It took ~5 years to gain acceptance. Python 3 is < 2.5 years old (3.0 final was Dec, 2008), so it's not doing that badly.

The big problem seems to be whether both versions can run off the same source base, even with some voodoo (i.e. defining print functions, etc).
If it's not possible then how do people escape black holes?
Ask HN: What do you use to encrypt source code?
in the past, source code's been mostly kept in private source code management (scm) servers, for the most part access could be controlled. nowadays more and more projects are turning to hosted scm services like github and bitbucket. i personally use bitbucket myself and find them to be quite trustworthy and safe, but what, if anything, are folks using to secure sensitive parts of their source code? for example, if i have authentication logic somewhere in my source code that if somehow exposed to a hacker or a misguided employee would lead to millions of customer accounts being potentially compromised.

i have thought about encrypting sensitive source files before checking in, but then you really lose the ability to track changes, which is really one of the reasons why i'm using scm in the first place. any ideas out there? perhaps the best thing to do is to keep a private repository?
i also use config files, but need to encrypt the keys inside of the files so it becomes somewhat of a chicken and an egg problem.
You restored my data for me earlier this evening, Cody. Thanks for that.

I'd like to again emphasize: Hawk Host is not at fault. Even so, they're restoring Peachy Dandy customers' data (for free). I actually intend to move these domains over to Hawk for hosting.
This guy isn't a hero-he's an abuser. He saw an opportunity and capitalized on it, and made good. That doesn't change the fact that what he was doing was simply grabbing domains and running ads to hopefully trick people into clicking
Not sure why he did submit it, though...

Maybe the frustration knowing that I will never get my 5 mins back and hoping that the guys at TC get the feedback. :)
Ask HN: Please review my first Django project
http://www.stubia.com

This is my first web app, Stubia is a really simple mobile encyclopedia that limits each article (Stubs) to 160 characters. I designed the site to be mobile and scale up to bigger screen resolutions. I want to get some feedback on the current version and maybe some general advice on what should be changed/added.

I posted this earlier as a link but it didn’t gather as much feedback as I had hoped so I’m reposting this on Ask to hear from the community.

The basic goal of the site is to have a place where people can create content that would otherwise be deleted by Wikipedia; no concerns about notoriety and no pressure to expand articles. I don't really have any plans to impose any rules on the site, for now I want to focus on collecting the long-tail of articles that doesn’t exist on the web.

There is also a micro-blogging component to the site. Depending on the context attached to the article a series of buttons appear on the article page(By default just Love & Hate, I left out selecting contexts for simplicity and data quality concerns), clicking on them creates a post on your profile: http://www.stubia.com/@abe

What are your thoughts on this? Please play around with the site and share any feedback you may have.
You can also do `(+ 1 2 3)` in Lisp, but `3 2 1 +` doesn't evaluate to 6 in Forth.
The actual answer is just that the speed of light is the conversion factor between meters and seconds. You can measure time in meters and distance in seconds, and convert between them using C. Light goes at that speed because that makes the little packet of electromagnetic energy reinforce itself properly.
The OP is a page from 2002 (or possibly 1902; didn't people remember Y2K back then?), so I expect the recent new code points beyond U+65535 were still outside the imagination of potential interviewers.
If you have a fancy sports car, you can feel acceleration. It slams you back in your seat. (check out this: https://secure.wikimedia.org/wikipedia/en/wiki/Equivalence_p...) You cannot however feel speed.

Therefore, you can measure acceleration with nothing but equipment (a simple spring-scale will suffice) in your car (reference frame), but you can only measure your speed relative to something outside of your car (traditionally, the road).
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For finding the duplicate integer, I'm kind of lost. Say you have an array: 1,1,2,3,4. According the the equation: 11 - 5(6)/2 = -4?
Note that the iPad screen brightness can be turned down very far. Note that most reading software even includes some option to additionally turn the brightness down by basically putting a grey filter of the screen. Note that most reading software (not iBooks) includes a white-on-black mode. With all that you can turn down the brightness to absurdly low levels that are not achievable with laptop software.
For the vast majority of those uses I would say that an iPad is overkill, although in a warehouse where a friend of mind works they use Android phones for inventory tracking.

Don't get me wrong, I think that given time tablet computers will be the future. My problem is that the iPad doesn't offer even half of the experience I was expecting; the hardware is "okay" but at the moment it feels like a large iPhone and the apps available on the market don't utilise the unique experience that tablet computing should be for it to establish itself.

As in the past, I cannot help but feel that the iPad will eventually lose out, as many others have.
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Text of his announcement:

Hi everybody,

I've posted information about CurveCP at http://curvecp.org; and today's
release of NaCl includes command-line curvecpclient and curvecpserver
tools. There are many reasons that this curvecpclient+curvecpserver
software isn't ready for users yet---among other things,

* the software hasn't gone through anywhere near my usual levels of
testing and security review;
* the software prioritizes simplicity over efficiency in several
ways, missing some of the speed that CurveCP can provide; and
* the software handles only CurveCP, without HTTPCurve, SMTPCurve,
etc.

---but if you're a programmer interested in CurveCP then I think this
software is a reasonable starting point for experimentation and further
development.

---D. J. Bernstein
Research Professor, Computer Science, University of Illinois at Chicago
is there a similar way to filter comments within an article ?
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In my unscientific survey, netbook usage far outstrips tablet usage in cafes. Moreover, the people who bring tablets don't seem to really use them, they just glance at them occasionally.

In my equally unscientific survey tablets far outstrip netbook usage on public transport. As to your second point I think most people consider that an overwhelming positive for tablets. You don't have to "use" them like you do with a real computer. You can just glance at them occasionally and very quickly do whatever it was you wanted to do and then get back to doing whatever you where at the cafe to do, like eat food or talk to friends.

An iPad just seems like a very expensive Kindle.

But it is a Kindle you can comfortably browse the web, check your mail, twitter and facebook and play Angry Bird on. Reading e-books is relatively low on the list of things most people I know use their iPad for.
I went through your comments and you mentioned that "in a nutshell" the fact that there's no such thing as a full stop in space is why "this explanation is actually doing a disservice". But that's confusing to me because she clearly stated - relatively to motion - "Those things are true, but we're ignoring that kind of stuff right now."

Can you point out exactly where she crossed the line in your opinion?
I think I missed that in my history books
FWIW in the UK all hospital beds have their own TV/Internet/Phone device that is attached to the wall and swings over the bed to where you want it. It costs money to use, but you can at least watch what you want, browse the web, send emails etc etc.

My time 'inside' was made much easier having that.

We're lucky in the UK though.
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They've been sending recruiters to me regularly for about six months. I get regular pitches and emails about working for them about twice a month from various people.

I'd like to be able to consider it but I'm not in their candidate pool (around forty, no regular job for a few years, non-tech schooling, travel, no high tech work for years before that).

Must be hard to reach out to the kind of people Google does like to hire. My old friends from that group are always busy.