skysight-inc/HackerNews huggingface dataset:
"If you could turn out a bitcoin per day per player"

Can't be done.

According to this BitCoin calculator[1] you need to generate 245 Mhashes/sec (mega-hashes per second) to generate 1 bitcoin per day today. (Remeber that number will go up as time goes on)

I assume that calculator is for 24/7 calculation (which you won't get with gamers), let's assume they are hardcore and play 6 hours per day, every day. You can't dedicate 100% of your customer's GPU power to bitcoin mining (since they'll need to actually play yoru game), let's say you dedicate 20% of their GPU.

To get 1 bitcoin per day you need hardware that's able to do 245 × 4 × 5 = 4,900 Mhashes/sec.

This thread[2] from the bitcoin forum today has some idea of what current hardware can do. They say "5870's are $250 apiece at the moment and each only get around 350 Mh/s", so in order to get 4,900 Mh/s, you'll need about 14 of them.

i.e. If the players of your MMO have 14 graphics cards (costing ~US$250 each) in their machine, then you can probably generate 1 bitcoin per day per hardcore player. i.e. It's not possible, forget about it.

[1] http://www.alloscomp.com/bitcoin/calculator.php
[2] http://forum.bitcoin.org/index.php?topic=9052.0
That isn't the whole story according to the book. In the book, he explains that he tried posting hundreds of messages under his own name, but there was some mysterious limit on multiple posts, so he created the extra accounts. Michael Lewis wrote that he didn't try to make them look like separate people, just separate accounts. Furthermore, he posted the exact same message, either through lack of guile or lack of intent to deceive.

In his emails he said he liked the stock and owned it. How is this deceit? He liked it and owned it. He said the price would go to such-and-such. It did. If I post here on HN as raganwald and again as regbraithwaite, is it deceit? How? There is no strong injunction against multiple accounts on HN.

Given that the internet does allow you to create multiple email addresses and that Yahoo doesn't actually insist on one account per real person (unlike, say Facebook), Michael wrote that it is far from clear that he was breaking the law, which is why the SEC settled: They were desperately afraid of losing the case and having the emperor revealed to have no clothes:

There really isn't anything different between Jonathan Lebed and a brokerage leading an issue, except membership in a cozy little club. It's total clutching at straws to say he pumped and dumped but companied are allowed to hire PR firms to talk up their prospects.

Sure, the SEC will always try to find some trivial technical difference to justify closing the Jonathans down, it's just like a casino kicking a card counter out for "cheating."
That's exactly what btaccel used to do — http://www.btaccel.com/ . They seem to be gone now though.
Well, for a lot of people giving up bread and pasta is a lot harder than counting calories. Never mind the fact that there's an awful lot of "bro science" in the no/low/slow-carb crowd.
Q10 is missing the correct answer: "someone inexplicably decided to implement part of the C standard library in C++".

Not to mention the function's name will be mangled, making it unusable for C users.
You really should be consulting with a good lawyer who specialises in this line. You will get a clear idea on what is legal and what is not. You also want to make sure the IRS is happy with whatever arrangements you come up with.
A supermajority of the population cares more about the suffering of cute animals than the suffering of adult humans.
Do you have code handy to convert from html (with a TOC) to epub?

I looked up some python examples to start with:

python epub docs
http://www.egofile.com/2010/01/convert-openofficeorg-writer-...

http://code.google.com/p/python-epub-builder/

http://www.ibm.com/developerworks/xml/tutorials/x-epubtut/se...
>I run MSE, I barely notice it speed wise, and haven't had any malware or viruses.

I run several things on both Windows and Mac. The Mac version feels a lot faster. If I shut off all the virus stuff the windows stuff is still slower but not as dramatic. It depends on what the code does, obviously. Any disk or network read/writes take a hit so if you're doing a lot of those it really adds up.

>Strongly disagree; if you look at this MacDefender issue, there is no flaw in OSX that is causing infection, users are installing it on their own accord.

The solution to this is what Apple has already started doing: provide just one place for these kinds of people to get software. Just buy it in the App store. That is the proper approach to "protect users from themselves", not put a 20-30% performance penalty on all Macs.
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How Amazon Could Switch Over ePub Book Buyers
Or that AdWords is three times as good as bitcoin for revenue generation.
I suppose it's a question of degree. If not too much CPU resource is consumed then perhaps it is an acceptable way to monetize web sites - although this would only work for high traffic sites, and would become less lucrative over time. There is a bit of a moral hazard though, in that it would be in the interest of the host to consume as much client CPU resource as possible, without rendering their browsing experience too unpleasant.
oh mobi may reformat better than pdf on my phone. Is that similar to epub format? That works wonderfully on the phone.
Sweet! epub here I come.
True, Reason has been around a long time and has always been an awesome piece of kit - apparently it got prodigy's Liam Howlett back into writing after years of hiatus, we can thank propellerheads for their part in 'always outnumbered, never outgunned' ...
This test would be much more useful if they put all the errors into a broken string class, and asked you to find the bugs. Glancing at a broken class and seeing all the standard C++ bugs "pop out" is a useful skill for a C++ programmer. But instead of defining an actual, useful class with a bunch of bugs, they use horrendously nonsensical and broken code fragments. For example, I can't even figure out what the GrowArray function is supposed to do.

It's sort of like memorizing a chess board: A chess expert can memorize an actual game-in-progress quickly. But if you just place a bunch of random pieces around a chess board, a chess expert can't memorize it any better than anybody else.

The later examples with memchr are less painful, because memchr actually has well-specified behavior. But even there, the code (most likely) dereferences a pointer one past the end of an array, which is (1) invalid C++ and (2) not on their list of possible bugs. Granted, memchr is an internal compiler function, so it's allowed to rely on undefined behavior. But if this is a multithreaded system, that code potentially corrupts the heap's bookkeeping data structures while memchr is running.

Just looking at the first part of this test is like listening to somebody drag their fingernails across a blackboard. I'm sure that they're a lovely company, but ugh. To paraphrase Wolfgang Pauli, that code's so bad it's not even buggy—it's just semi-coherent nonsense.

Another interesting aspect of this test: Both the code examples and the bugs are pre-STL, pre-boost, and pre-TR1. For example, there's no question asking why you can't put a std::auto_ptr into an STL collection. And a huge fraction of the bugs in the test could be avoided by making rudimentary use of modern C++ APIs. Granted, some companies have legitimate reasons to avoid std::vector and std::tr1::shared_ptr. But avoiding those classes makes C++ vastly more error prone, which is usually a poor tradeoff in the modern world.
I do believe that measuring is vital but I don’t believe that it is enough (17 kilo are not random weight loss). There must still be an underlying cause. I attribute that to my calorie counting.
Digital Rights Management
Yup; if judges presiding over anti-trust suits had read Thomas Schelling's book The Strategy of Conflict, there would be many more broken-up oligopolies than there are now.
Having never programmed a line of C++ in my life, I started to guess at the first question. After 30 seconds or so, I thought: "These programs are short enough to just type in, compile and run. Screw using my 'experience' to answer these." I guess once I work through these they'll know that I can compile and run a program in C++, and perhaps that's all they're trying to learn here.
Oh, maybe helpful to law enforcement since fetch.io will probably save your history of illegaly downloaded content...
http://touch.sproutcore.com/npr/
Somebody can fork bitcoin and change that aspect.
Why do people program this stuff themselves?

shuf -n22000 < list.all | sort > list.lucky

See also http://www.robweir.com/blog/2010/02/microsoft-random-browser...
Looks like he's running them on OSX which means they're likely to work on BSDs too.
Provided you assume those effects are linear, then yes. There is however no evidence for that.
How is this different than http://put.io ?
Yes, but Microsoft has acknowledged that there were weaknesses in its 32-bit ASLR implementation for Vista; see http://en.wikipedia.org/wiki/Address_space_layout_randomizat...
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How likely are they (or anyone) to be sued, liable or not?

In IP, courts are a weapon.
I suspect the real reason is one which is all too common for startups' failure, but is hardly ever mentioned: the founders got bored. I guess it's easier to cite problems with the business model and traction, than to say this is not as exciting as we thought it would be, so we want to do something else.
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so let us talk about all the aspects included in purchase. the first and most important one is that how much is the budget you have this is important in many ways but let us consider the only two which are the most relevant 1) what type of car do you intent to buy? 2) Is the budget enough for the purchasing your desired car? There are many other things which are also considerable to notice like the make and the design of the car.
Why do people resist the idea that carbs are worse than fat?
What does that mean? You can do the same with bitcoin.
Be glad...initially the guy who did Torque was slated to be the director
Warning, some spoilers ...

I don't like this kind of tests. I always stumble upon questions where I wonder if it's a trick question or just a typo/mistake by the test creator. Example:

Function D will loop for ever if size_t is an unsigned type.
Function E won't even compile because of the comma and the missing * in the first line.
Function C is an edge case. The external effect is the same only in a single threaded environment. If there's parallelism or interrupts the external effect might not be the same for certain conditions.

So what do I do? Do I check the box or not? If I do, it might fire back because "I didn't catch those obvious errors". If I don't then my application might fall through the grid because "too many wrong checkmarks". Maybe the recruiter is just a mindless HR bot and doesn't understand any of these questions. So arguing would be pointless.

If you want to determine my skills, give me something to do. Say give me 6 hours to implement a server or something (not too big, not too small for 6 hours), then shuffle through my code and see if its quality pleases you. Being bombarded with off-by-one trick questions just annoys me.
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I find this very inspiring:

[The maintainer's] duty: ensure that the codebase is *always* ready for beta.

There's really something to learn here.
Good on you, but it's a sad fact that lots of folks just can't keep things in check.

As someone who does not get food cravings and does not have blood sugar regulation issues, it's hard for me to understand, but the only way some folks can manage to eat less is by banning certain foods from their life.
My wife is a Google Chrome user and she logs into Facebook and Twitter in an incognito window. Everything else she does in a regular Chrome window (which is set to delete all cookie when the browser is turned off).

Another option would be to install a second browser and use it solely for FB/Twitter.
Show HN:Review my App - Elapsed - The Timer App for Hackers(Multi-Taskers)
Long time lurker reading and learning from the community here. Inspired to act and currently working to escape from cubicle nation. Financial constraints mean I can't quit cold turkey but realized that working on the "Next Big Thing" part-time doesn't really work either.

So, I'm trying to first bootstrap my way out of the day job by being less ambitious and churning out some useful apps. Released the first, Elapsed ~ 2 weeks ago. Apple featured it as a "New & Noteworthy" Productivity app.

http://www.elapsedapp.com

Elapsed is the ultimate timer app for multi-taskers. Multiple concurrent timers, frequently used timers saved as Presets for single-tap reuse, multiple instances of the same Presets (ex. 2 loads of laundry around the same time), editing timers while they run (change duration, remaining time etc.)... plus a lot more!

Have around 600 downloads and around 20-30% of the user population seems to be active on a given day (based on ad impressions). Reviews and ratings seem to indicate that people like it.

So, now the question is how do I spread the word, drive adoption and take it to the next level?

Online Review sites seem to be little more than "Paid Advertisement" farms with virtually every submission being greeted with a solicitation for an "Expedited Review" that costs X dollars.

I'm seeking the wisdom of the crowd here on the following:

1. The App (http://itunes.com/apps/elapsed)
- What Sucks? What works? What Can be done better?

2. The App Website (http://www.elapsedapp.com)
- How can I make it more discoverable?
- How can the content be improved?

3. What else can be done to spread the word and drive adoption?

---

tl;dr - Long time lurker releases first product - Elapsed, a timer app for the iPhone designed to streamline multi-tasking. Apple picks it as a "New & Noteworthy" Productivity App. Still, downloads are unimpressive while ratings/reviews are decent. Seeking feedback on how to improve app, website and drive adoption.
For me 'open' has a very strong connection to 'choice'.
I think a bitcoin browser plugin would be the sanest choice
Fuck, fuck fuck, fuck.
If you have a modern OS (anything newer Vista, be it Windows or not), it will.

Saying Windows is insecure because a decade-old version of it didn't have rigths-elevation is pretty silly.
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I think the meaning was that Windows is a malware ghetto compared to Mac. More akin to a Doctor noticing that 95% of his patients are blondes and declaring that blondes tend to get sick more.

The significance of this is offset by the base rate though: unlike Windows PCs, blondes don't constitute 90% of the sample group.
I have to agree. A vast majority of people don't know about this, and the one who I have mentioned this to don't seem to even care.
Something that can be used to clean up process trees on Solaris is the contract subsystem[1][2]

[1]: http://download.oracle.com/docs/cd/E18752_01/html/816-5174/c...

[2]: http://download.oracle.com/docs/cd/E18752_01/html/816-5174/p...
if I saw this sort of stuff in my codebase...

Your codebase should be optimized for reading. Your aliases file should be optimized for very, very frequent typing.

These are different goals, so naturally the solutions look different.
I'm very skeptical that fasting is healthy, it probably is not. The only thing I do care about is losing weight and that works.
Lets call it what it is..

'the FBI, TSA, CIA Job act'..

For ten years prior FBI, CIA, and TSA's predecessor were complaining that their job was too hard when forced to follow laws and court rulings. After 9-11 we got a job act pretending to be a Law enabling finding of terrorists.

I submit spying on Americans is not finding terrorists.
It's a prime example of good 21st century marketing, so at least that's something of use for a lot of HNers. The scientific and nutritional parts are a "bit mixed", to put it nicely. If I remember correctly, parts of it basically went "this is scientifically proven because Wikipedia says so".

His "slow-carb" diet is basically a easier to digest low-carb diet mixed with a bit of CKD. Kettlebells are good, but surely not the workout panacea he promises (and actually somewhat risky for people with back or knee problems who are doing this without proper supervision). You should be able to get most of that info on the net, and there you often have some much-needed perspective and discussions about it.

And those are the moderate parts of the book. If I can poke some holes into that, I don't even want to know what might be wrong with the more risque parts (injury prevention, bodybuilding, supplements). And the sex chapters would fit in nicely into drivel like "The Game"...

Don't get me wrong, I would love to have a "body hacks" book, but I'd prefer if it were done with a bit of scientific rigor, not just "this worked for me, control group: me".
Clickable link: http://www.elapsedapp.com
Dozens, sometimes a hundred.

So I use similar shortcuts and like them. There's nothing wrong with creating shortcuts for almost everything. Some shortcuts I remember better than others; the ones I don't remember I just type out in full, and eventually I either get inspired to remember the shortcut or the shortcut evolves out of my config file.

I use the trick of aliasing "git" to "g", which I learned from Howard Yeh:

http://www.metacircus.com/hacking/2011/02/18/play-git-like-a...

That's an easy one.
Two things for you to consider:

1. Creating and maintaining routine is the best way you have to reach your fitness goals. This is probably more important than what you eat or how you exercise. Cut out bad habits one-by-one, add good practices slowly, and practice having good health.

2. Every single workout and every single diet has worked for someone - but not all diets and exercise routines will work for you. The problem is that all of our bodies really do respond differently and your job is to be the expert on your body and how it works. Don't get caught up in what everyone else is doing - focus on the results you're getting instead.
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The real problem with this, apart from the inherent ambiguity of English, is that the axes are never defined so the graph can take any form you want. Steep (as in climbing) usually denotes effort or adversity - a point which may be missed by non-native speakers - hence the apparent contradiction when you add your own labels/axes and interpretation to the graph.
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I understand the objection, but like most idioms the intent is understood, and like most idioms I've always accepted this one for its intent.

However, you can make it work logically. Look at his graph and imagine the two curves as hills, both going to the same altitude. X is time, Y is altitude. You'd have to work much harder in a short time to get to the same altitude as the shallow hill.
That definitely worked for me. I adopted the paleo lifestyle more than 2 years ago. Although I was never obese, just overweight, now I weight about 20 pounds less than when I started. My blood lipid levels were also corrected.

I used to eat rice, pasta, potatoes, and bread all the time. I only miss the bread, but I make exceptions when I go to a restaurant and they have a really good bread.
There's a list of short aliases enabled in git-sh by default here:

http://rtomayko.github.com/git-sh/
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How is vim an obscure tool? I'm pretty sure quite a few people use vim daily. After looking over this list, I suspect it's also true for many listed programs.
I am not so sure if that applies in all countries. IIRC in central europe (at least in some states) the "bad thing" is copying, not downloading. But I am not a layer and I hope someone with more knowledge can correct me.
Hmm, my moral code must not be as strong. I would have either climbed the fence right there and then or told my kids what I did.
I can't bring myself to take this person seriously. As someone who grew up in a real small town, hearing some guy worry about having to make sacrifices in a small city of 100,000 people just seems so silly. Things like "There might not be a Subway within walking distance from my house".

Proximity to other cities is also a big factor. I line in a city of 28k people, and the closest real city is 2 hours away. This place he's moving to is a mere 40 miles from Ft. Worth, TX, a city of over 700k people.

Ultimately it just sounds like a guy who thinks he's "roughing it" by driving his motor home to campground with electricity and running water.
Maybe, but do we know if this stochasticity is fundamental to our consciousness? It may work just as well if we use random values from a lava lamp. (I don't know, I'm just speculating).

I think we will solve it in the next 20 years or so, certainly while I'm alive (I'm 30). Like I mentioned in another post, it's a great time to be alive.
THe original decentralized design of the bittorrent protocol was to stop bandwidth bottlenecks only - to let the cloud of people downloading it all also immediately start contributing to uploading to others, so the more people that start torrenting something, the more bandwidth becomes available. The only original bottleneck was the tracker.

It had nothing at all todo with privacy, points of attack, or anything like that.

Rememeber, most of the bittorrent legal threats aren't because you downloaded but becuase you shared - because your client also uploaded parts of the content to others as well - that's distribution.
It's not a virus. It's malware. Users install it, and it sends them to porn sites.

To you and to fellow readers of this site.

However to the average Joe, there is no difference between the terms "virus", "malware" and "my computer is now doing things that I don't like that I didn't want it to do and it's interfering with me using my computer and I can't stop it"
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Do you have any thoughts on the concerns from YC?