skysight-inc/HackerNews huggingface dataset:
eah I think the default scene use too much samples, like 51 for the right light.

Now my technique of combining shadow samples together is probably not the most efficient, I draw them with source-over and an alpha which is also a wrong hacky current implementation... but maybe using the CanvasData would be less efficient (technically I need to make the average of shadow samples' grayscales) - well we never know, I haven't tried yet ;)

I would be happy to have any contribution in the library :)
I think it's not nice to refer to Y-Combinator as "that other thing" and then advertising here.
I don't know if over- or under-reaction is really the issue here. I think you are confusing "constitutional" with "good".

Whether something is in accord with the U.S. Constitution depends on what the Constitution says, and not on what would be the best thing to do. You've made a reasonable argument, but it is one that is irrelevant to questions of constitutionality.
I find the way many people talk about Stallman to be patronising and bitter. I believe this is partly just because he's fighting against the current, whereas a person like Jobs oiled the wheels of capitalism. Stallman has a huge positive effect on the world, it's a shame any recognition will need to be balanced against so much negativity.
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The main problem I have, is when I've seen the answer to a question but don't remember it 100%. Your brain generally goes into recall mode, and rather than actually solving the problem I sometimes give an inaccurate answer and it can become hard to kick your brain back into thinking the answer through. Sometimes telling the interviewer you've heard the question before is enough to make him move on, other times they want to hear your answer anyway.
use highlighted posts to literally promote pictures of cats

Fairly sure this wouldn't wind up differing in any significant way from my existing facebook news feed.
mcteapot, please realize that people are a mix of lots of different preferences and motivations. I think we can all agree that on the whole, when management says you will get $10k for a certain action, it means that they expect this helps more people do the action. That doesn't mean it's the only reason they do it, or that some of the people who do it after the bonus wouldn't have done it without the bonus. It just means it helps. Otherwise, if it doesn't help, why not call it a thank-you-for-not-parking-in-the-handicapped-space-when-you-shouldn't bonus (assuming that, like most companies, nobody happens to have any problem with not doing this, and at any given time either the handicapped spaces are empty or employees with a legitimate entitlement are using them) and give it to every employee equally? I mean, if you don't expect it to have any effect whatsoever on referrals/behavior...

Also, I want to make a nuanced but important point here. The employer in this particular case is explicitly kind of saying, "yeah, it might have kind of helped at the time, but you're not working here anymore." By that logic, every single person who ever gives notice should have their last paycheck docked if the time to cut the check occurs after they have left. After all, even though the paycheck might have originally helped them work there, they're not working there anymore so that doesn't matter. Why should an employer ever pay the last paycheck? You're not part of the team anymore and the paycheck is meant to motivate employees to work, that's why it exists. "Also, you dropped the database", or some made-up excuse.

I think we can all agree that people don't just work for money, but we can also all agree that every employer needs to pay the last paycheck, even if the time to pay it comes after the employee has left. To me, per my comment that you replied to, the fact that the database thing was brought up means the employer is trying to squirm out of settling a debt; rather than say that it wasn't a real debt.
I was once asked to solve the monty hall problem a couple days after I saw the movie "21"
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Crikey, you really think that attitude flies in interviews?
I don't understand. Its only 8 months. While i don't agree with the verdict, his peers found him guilty.

"I can't go to prison because my new company needs me." is surely not a reason to avoid prison. I am sure the prison has doctors and can treat the majority of ailments and illnesses.
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I have a use case, which I don't know if it's common or not.

I want to put millions of items in riak, play with it, and then throw then away.

I might want to do that because I'm testing out something, or because it's the result of some periodic batch processing in production, which I want to get by key later.

Unfortunately, riak doesn't seem to have the notion of a "db", "keyspace" or whatever you want to call it; i.e. something which you could "drop" and that will simply delete a directory with a dozen of files in it (should be quite cheap).

The only thing I can do is to drop the whole riak db, which has the following problems:

1) I have to do it manually on all nodes (stopping the cluster, deleting the files etc)

2) I cannot share a riak cluster between several users/team, so that each user/team can play with a portion of it but there is only a central installtion of the whole cluster. Every application (which I want to be able to drop all the db and recreate it) has to run it's own riak cluster.

Initially I thought that "buckets" were intended to solve this problem, but buckets don't map to a separate storage location, it's just a way to group items. Even listing all buckets present in the db requires scanning all keys and, as the doc says, "Similar to the list keys operation, this requires traversing all keys stored in the cluster and should not be used in production."

Although I've been told that "riak is not designed to do this and that", I'm not sure if these limitations are really technical, or just because the product development effort was targeted at some of the aspects, and these issues could be addressed in a later stage.

Any idea?
The few times I've been asked it, mentioning it by name results in them swiftly moving on ... the one time it didn't, the person didn't recognise the name and insisted I'd provided the wrong answer - which was a huge time saver for me in terms of turning them down.
This is very true. How to get past first interview, without ever knowing what you are talking about: Take 15 interviews where you fail miserably, record them all - at some point you have a pool of questions/answers that are good enough to get past the first interview.
Many sample book titles have harsher DRM than the actual purchased title, a little conniving way to entice a sale.

Use your frustration to make a case to the publishers against DRM, instead of blaming a single eBook product which isn't even the source of the problem.

You probably know that this behaviour is only unique to eBooks where the publisher has disabled copying in the DRM settings. (Which isn't unique to iBooks.)

So don't buy that particular book and make sure you let the publishers know why they lost a sale, if you have purchased it - request a refund from the store, you'll likely be granted one.

Until then you're pissing in the wind.
And who's going to make that toaster?

Hint: You can't make it on another toaster.
The choice is not who the money goes to, its what it tastes like.
Now the site seems down. Does anyone have an alternative link?
Why didn't they take the challenge to evangelize among people interested in "topic"?
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"It's only 8 months"

Yes I'd like to see you in prison for 8 months
>Actually, in the very next sentence after than one, he explains why that is bad.

No, he doesn't. The very next sentence is:

"However, what's great for avoiding straightforward failures becomes a nightmare when your goal is to guarantee that no undefined behaviour happens."
PVC板
> If you're browsing HN and in Honolulu, let's grab a beer.

Hey that's me. I'd love to grab a beer sometime. I can probably get a few other techie friends to come out as well. Hit me up via my email (in my profile) or message me through Google Plus:

https://plus.google.com/116596920914693118138/posts

Maybe we could meetup next weekend?
Apparently, even Erdös did not believe the solution to that problem. Imagine saying no to him because he failed to come up with the correct solution.
Since i'm a contractor i get interviewed a lot, i sometimes come up against these brainteasers which i usually dont mind. Sometimes they're good questions like how would i solve problem X using X language, because thats relevant, i think its a good question.

However, i hate when i get questions like "how many golf balls can you get in a double decker bus" and "whats your most embarrassing moment", both of these were questions i was actually asked in an interview. My answer to the first was "I dont know and i'm not going to try and work it out because 1) i dont have enough information and 2) its not relevant to this position. I'd happily answer hypothetical questions about situations that could plausibly come up during this position, but working out number of golf balls in a bus doesnt show you how i would solve the problem of the database running slow or validation checks not working correctly." For the second one i simply answered "I have never been embarrassed in a professional setting as i mainly just do my job and i'm not embarrassed to say 'I dont know' or to ask for help. The only times i've been embarrassed were in my personal life and those are stories not appropriate for an interview."

Needless to say, these were questions asked by the CEO of a startup i thought was absolutely amazing, i had sat through a tech interview with the CTO before the CEO came in and felt i did well with the tech questions. Once the CEO came in and asked me these questions, i wondered how an awesome startup was achieving this success behind the leadership of total and utter moron. I decided not to work there as i lost all respect for the CEO.
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The main problem is when you're going bear hunting and they bring back a stampede of wolves. Wholly impossible to kill with the gun you brought, but if you tweak it just a little, you can kill them as well. Then the next time it's a an antler, that you can't kill like that due to regulation, but with just a few tweaks again.

Great sales people are a game changer. People that can sell your vision and convince the audience that the problem you're solving is the biggest issue their business faces. They're completely indispensable. Bad sales guys, the type I've usually come across, bring too little domain and product knowledge to the table, and end up selling the completely wrong thing if they sell at all. Like Ben Horowitz said, great sales people protect your business [1], they don't wreak unnecessary havoc on it.

[1] http://bhorowitz.com/2010/08/29/the-right-kind-of-ambition-2...
This is also very interesting! I'm intrigued by everyone's personal projects! :)
I think his point is not that prison is nice, but that 8 months away from a company is survivable for the company. Mothers do it all the time with maternaty leave (and fathers as well).
Do you mean the attitude of the post or the attitude of the headline? I don't know where the headline came from, but the original post is logical and interesting. If that didn't go down well in an interview then it certainly wouldn't be a place the poster (or I) would want to work.
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Native to web iOS apps, or there and back again
PHP faster than C (for mysql)
I've run some tests and the php mysqli is nearly twice as fast for as the mysql implementation.
Any ideas ?
we build the MVP of Dropdock (http://getdropdock.com) in a weekend. We are now in the process of refactoring the code and should ship the new beta version to everyone soon :)
We pay for lots of services that only other people end up using. It's part of being in a society.

When something is reasonably considered optional, ideally and hopefully you aren't forced to pay for other people's partaking of that optional service.

Healthcare is not one of those things. It's optional in the sense that everyone has the option of refusing medical care, even if sometimes that means dying, but it's not optional in that almost every sane person with more than a minor cut or sniffles or food poisoning opts for medical care if it is available rather than the alternative.

Other mandatory goods and services, like food, clothing, housing, city utilities (water/electricity), even internet access, work better in a mostly private model for a couple major reasons. First, the price variance for the necessary part of those goods and services is very low compared to variance for the medical costs someone might incur. Second, a lot of people can afford and want more than the bare necessities. Not so with medical care, where few people can afford major surgery or routine treatments for some major chronic conditions.

Another aspect of medical care is that we benefit even if we're never treated. Do you know anyone who has ever needed significant medical care at a hospital? I doubt your relationship with those people means nothing to you.
We both looked at the same page. But what is the point of "premier page layouts" if my preferred means of consumption is the RSS feed?

Full-text RSS is the only thing that would interest me, but not $5/month worth of interest.

Conclusion: yo mama is fat.
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No, it's not redistributive merely like fire or flood insurance. My $300,000 house will cost the same amount to insure as my similarly-housed neighbor who makes twice as much. And the additional cost to insure a $400,000 house isn't typically greater than the reduction in cost to insure a $200,000 house.

That's not how social security works. The benefit curve drops off dramatically in relation to the "pay-in" curve:

http://www.ssa.gov/oact/COLA/piaformula.html

And again, things will get worse when, seemingly inevitably, the payroll tax cap is lifted without substantially modifying the "bend points". A dollar you contribute to SS on your earnings over $56,000 is worth half the benefits of a dollar contributed under that amount.
As has been said a million times, C++ covers applications that are not really suited for any other language. This applies to C as well.

As much as newer languages come about, in the end, you are working with a Von Neumann machine, of which both C and C++ are well suited for.

The only problem with C++ as far as I can tell is that you need to know a lot, not to make mistakes. There are too many ways to do things, that if you don't know what you are doing, you are probably going to do things wrong. However, once you _do_ know, and use libraries like Boost, I think it is difficult to come up with a reason why not to use C++ for lower level programming, with performance requirements.
Why I went back into the studio……
yes, one of my friends, who works aggressively on brain teasers, got accepted to a job offer due to ability to solve such questions. however he told me that he knows thousands of variations of such problems. When asked he just pretends as if he is thinking to solve them, but he said most interviewers indeed are at a beginner level for such questions.
> Is it acceptable to wish Mr. Stallman well in light of allegations that he has advocated for truly awful practices?

He never actually advocated pedophilia, so what awful practices are you saying that he advocates?
I can't help but wonder: What is the point of the 11$ million debt? He'll obviously never be able to pay even the tiniest part of the money, so why bother?

How do they calculate the monetary "damages" any way?
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We have about 400,000 users and plan for many more this year (launching new products).

So view it as an investment as part of effort to build a consumer brand, ala Barbie for the mobile generation.

but i hear you, its a lot of money...most we've ever spent on anything
Unless you're young and have little to no experience, that attitude will and should fly. In that case the company should be just as much trying to convince you as you are convincing them.
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How do you know? No one knows if the universe is infinite or not. And even exponential growth takes time - if it takes longer than the heat death of the universe (assuming a finite universe in both time and space) to fill it up, then it doesn't matter if it's exponential.

And to bring things back to this earth, this isn't going to be a problem for such a long time that predicting anything whatsoever about it is futile.
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No idiotic juries in Sweden. Get out of your bubble.
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Walking around in general felt painful - For example: I got stuck getting in to the first cave because I was standing on the wrong spot, so I had to walk around a bit to move forward, though the environment really didn't give me any clues that was the case.
Great post. I thought it was going to be a "builders rule, sales jocks drool" post - until I kept reading till the end. At the end of the day, it's important that founding teams recognize the obstacles of every person's job, and keep the common goal of team success above else. It's not about how many bears he lures into the cabin using himself as live bait, not about how heroically the builder slays each monstrous bear. When everyone is celebrating getting to the fur market (?) in one piece!
In Sweden? Not saying I would want to go either, but if I had to do eight months in prison in a country of my choosing Sweden would top the list.
Sure he can. He (and probably is still doing) made lots of money through advertisements on thepiratebay.
What exactly don't you understand? If you had an option, no matter how unlikely to succeed it might be, to avoid going to prison would you not at least attempt it?

No ruling has been made, just a request - why would he ever not make that request?
Right, but Apple once thought it needed OpenDoc.
I'd be curious to know why you switched back to languages with native code generation? Is it mostly due to the control you have over code performance? Is so, are such applications fairly specific in scope, e.g., fluid-simulation on the GPU?
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True, but I would ask another question then: "Have the startups that have failed to be homeruns or have failed outright failed because they couldn't get the financial resources they need or have they failed for other reasons?"

And if funding is the primary limiting success factor, why don't they just move to where the funding is good?

Knowing what the ecosystem is like in a place like (1) Raleigh, NC; São Paulo, Brazil; and (3) Rio de Janeiro, Brazil; I would suspect that there are a lot more risk factors in Seattle than just lack of funding. Funding helps but it doesn't fix all the weaknesses in an ecosystem.

Good hackers alone does not make it a good ecosystem. How about good UI designers and good bizdev people? Are there plenty of them within the Seattle community? I'd expect that the quality of UI designers and bizdev people contribute more to distinguishing Seattle from Silicon Valley. I know that those were certainly the characteristics distinguishing the three startup ecosystems I am familiar with from Silicon Valley. The presence of UI designers and bizdev people have probably contributed more to the success of NYC as a startup hub than the presence of good hackers. AFAIK, NYC historically didn't have a strong hacker community or culture before it rose to prominence. What it did have is solid base of talented business and design professionals available.

All three markets of those markets had access to terrible funding, but if you were willing to accept the terrible terms, funding could be had.

Where I do agree is that an investor like Kevin helps is in providing smart funding. You'd get access to his network and his experience/advice, however the efficacy of his Silicon Valley network would be of limited use to a startup in Seattle compared to a startup in Silicon Valley.
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Ahhh, I failed (flailed) one of these once! I spent minutes trying to figure out "You have a business card in Japanese, how do you figure out what it says?"

I asked if it had the phone number, they said yes, and I said the numbers are the same as in English... They said "okay, what next?" ... I was stuck. Next? Well, I suppose I could take a photo of it and ask for someone to translate it online... Or find someone in real life to translate it for me...

After a couple of minutes, they were ready to move on, disappointed, when I said "Well, short of asking for help, or Googling the phone number, I have no idea off hand how to find it."

"Oh, well, searching the number, that's what we thought you were going for initially."

It was. I'd thought they meant "next" as in "other than that method". Having the number was so evidently "problem solved" for me, that I didn't explicitly say "search out online". ... I suddenly felt like I was in grade school again, and my teacher had failed me for not showing the work in math class. I had the right answer, but would never get credit. I went on to flop the next question or two, as I vaguely recall.
Awesome post. So true.
From the article:
"I'm going to ask you to solve one of my problems for every problem you ask me. Remember, an interview is a two-way process, I'm trying to determine if I want to work with you too."

This is the best part really.. Instead of "just say no" remember it's a dialog. If the brainteaser is interesting or you can quickly respond to how you would approach solving it then don't be an jerk about it. And feel free to have a dialog ask something back and see how they approach problem solving etc. Make it fun and interesting for all involved. If you're going to work with these people you might as well start right now in the interview!

I never take an interview with a potential client or employer without having a very clear set of my own questions for them and getting those answered.

I often ask off the wall questions or talk about a deep problem we solved recently and ask for the candidate for ideas on how they would approach the problem. I always share the answer we came up with. The reason for the question is not a perfect answer but to see how a candidate approaches potentially solving the question.