skysight-inc/HackerNews huggingface dataset:
When people say a quantity like $x is exponentially increasing, they generally mean it's going as $x(1 + k)^t for some k, not as ($x)^t.

(And remember, any non-unitless quantity will be 1 in some units, nothing special about $1).
The attitude of that letter is refreshingly positive and sensible. A nice change from the usual super-charged sexist attitudes one way or the other that usually only spark more polarized debate that loses sight of the bigger picture.

The thing that frustrated me the most about the PyCon thing was how the keynote was just completely eclipsed by the incident. Barely anyone reporting even had the consideration to mention what the keynote was about-- only that it was interrupted by a tweetsplosion.
The faucet funds, presumably including the EFF donations, were used to refund pools that had blocks orphaned in the recent blockchain fork: https://bitcointalk.org/index.php?topic=156641.0
so Java is fastest...
then why does it seem that in the real world Java web apps are slowest?
Show HN: BlockRun - Bitcoin auctions on the blockchain
If they signed up and used Mailgun sub domain we just ask to create a domain and set up DNS records, this usually ends all conversations.

However in some cases it gets very tricky - they can control the domain or can build an website with some non-working signup forms and services. We proceed and launch investigation up to signing up for their service - usually sign up does not work :-)
Why do troops overseas equate to trade balance?

Is the implicit threat of military action really the only thing keeping the rest of the world from closing their borders to US trade?
Snapshot: North America's Internet Usage
Thanks, yes, like that. But brushing off attempts to hire women as never quite the right attitude, never quite the right job, sounds like making excuses.

There are a lot of women. Either few (none) like working at startups, or there's something about the application process that is filtering half the population out.

You can just complain that every job offends you somehow, and it might, but what about all the rest who aren't like you?
We've just launched http://www.blockrun.com , a play on penny auctions built on top on the blockchain.

- Each auction has its own bid address

- Auctions last for a certain number of blocks
- When blocks reach 0, each new bid extends the auction by 3 blocks

- There needs to be 3 empty blocks for a winner to be declared (no bids for 3 consecutive blocks released by the Bitcoin network)

- The highest bid wins (we send winning, and losing transactions when you have been outbid)

- Winner creates a signed message to confirm they own the winning Bitcoin address

How it works: http://www.blockrun.com/how_it_works

FAQ: http://www.blockrun.com/faq

Auction for 5 coins: http://www.blockrun.com/auctions/5-bitcoins

We're always looking to improve, so if anyone has any feedback (e.g. "WTF is this, how does it work??), or thoughts are much appreciated :-)
I think this is "possible" but unlikely to work well anytime in the near future. There are some really big problems that need to be addressed for it to work properly. To do this convincingly and effectively the glasses would need to incorporate eye tracking. Not only because the relative position of the screens is dependent on the way the glasses are resting on your head but most importantly because the placement of the screens in your view is dependent on the convergence of your eyes. If you're looking at something close (basically anything in the range of what you could manipulate with your hands) the relative position of the screens must be shifted closer together because otherwise you'll see double. It's really something that's very difficult to do and as far as I can see still at least half a decade off.
Wow, you're totally right! Alignment problems are solvable with accurate positional tracking at least in theory, but I hadn't considered the blurriness problem. That seems like a show-stopper. It might be fixable if the light-blocking element was essentially a holographic display, capable of treating light differently depending on the incident angle, but such technology is going to be out of reach for a long, long time.
Mild Electric Shocks to Brain Boosts Mathematics Ability
Often the request actually isn't polite.
Basically it's a good deal of the devices in the "iMac G5, Athlon XP, Pentium-4 with HyperThreading" era, or at least that's when I saw it the worst.

Laptops generally weren't affected, as SMD capacitors generally aren't electrolytic.
Blog Make Money Online. Start a Home Business
I know the Simpsons has been on forever and there is about a decade of it I haven't seen but it was not always a low brow show (assuming it is one now). The Simpsons was brilliant comedic social commentary for 5-8 years starting around season 3/4. I wouldn't call the golden years of the Simpsons low brow at all. And I don't have any issues with low brow, I just don't think it's an accurate description of the comedic work I think of when I think of the Simpsons.
I'm not disputing that people use lots of lazy rules to categorize race. But to deny it exists at all, as the OP tried to do, is just stupid.

I believe that this American attempt to shuffle people's differences under the rug and claim everybody is the same, is insulting and offensive. Be proud to be of your origin! Celebrate the advantages! Complain about the disadvantages. Nobody deserves them, but there they are, quite real.
Personally I think sending some email through at varying and random amounts per day (for example) would be more effective, the rationale being to reduce suspicion of being blocked.

The legal and ethical issues surrounding this strategy is something to consider, though.
Instagram: A Parable
This strategy fails because multiple winners would split the jackpot. If one billionaire sees a positive return in buying up the entire probability space to get the jackpot, he must assume that another billionaire would also come to the same conclusion. No player can assume they're the only one applying the strategy; they each must assume the jackpot will split until a ticket is no longer positive value.
downsize the idea

upsize your skills

start blogging and beta signups

try and find a way to presell it
Thanks for the feedback, FooBarWidget.

We have received some similar feedback previously and have discussed some possible changes to the meta-data structure [1] [2]. As you can imagine, it is actually a complex problem assigning consistent terminology to all of the various parts that can compose a web application's deployment.

Consider Go (language, platform, framework, and server all in one, at least from our perspective) versus Rails (framework only). Some frameworks embed a web server, others don't, and so on. We have had to make several judgment calls in classifying this very broad spectrum of frameworks, and freely admit that there is room for improvement in that classification.

Incidentally, the Ruby deployment is Unicorn behind nginx. We opted to identify the Ruby deployment as "Unicorn" because that is the key among the two, and to clearly indicate the divergence from a previous round in which we were using Passenger, much to the dismay of the community.

[1] https://github.com/TechEmpower/FrameworkBenchmarks/issues/26...

[2] https://github.com/TechEmpower/FrameworkBenchmarks/issues/26...
Derp, my girlfriend was at that conference with her macbook air. I feel like I should put a condom on mine now.
Point out current problems with X.
Somehow proves X is never possible.

A real hacker would think, ok robots don't work yet, how can we make them work.
I might give it a Go :)
Do you have any recommendation for multi currency support?
Also How should I report earnings from appstore sales ?
If you don't know whether it is a fair coin 3 heads in a row is evidence that the 4th will be heads with slightly greater probability than tails.
My housemates and I have one coming in the mail.

My idea was to make a window compositor for X--the idea being that all open windows would be scattered around the inside of a sphere or hemisphere or perhaps hypercone with the user's head at the center.

You look at a window and slowly turn to face directly forward, and the window blows up and moves into focus. A shake of the head dismisses the window, and a sharp snap to either side cycles through open windows.

Shoot me an email if you'd like to talk more.

EDIT: X programming is fucking arcane. :(
I benchmarked the pure postgresql lua driver to be ˜3 times as fast as the nginx-postgresql-c driver. When you use the nginx drivers from a lua context you have to use an internal nginx request to that location, so there's some overhead.

If you want to improve even further on the lua drivers, LuaJIT FFI is probably the right answer.
Agreed, I'd rather spend time building some cool features for developers everyone can use instead of confronting scammers trying to steal someone's else credit cards, so it's definitely the fight we chose.

Talking about traditional ip, domain and complaints reputation - it helps a lot to identify and block ignorant senders using some questionable techniques for getting their recipient lists, but it's pretty useless for fighting phishers - you need to act immediately and automatically, and reputation takes time to aggregate.
Microsoft SharePoint 2013 Plain & Simple
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I think the caveat in this discussion is that BTC needs something like this if and only IF it can be done securely.

Unfortunately, due to the nature of networked systems, the odds of that do seem quite low unless connection security gets a massive upgrade: http://en.wikipedia.org/wiki/Quantum_cryptography
Ask HN: Banned from both Google AdWords and Facebook Ads - What to do?
I'm still flabbergasted as to how this could possibly happen. As far as I can tell, the only thing I did wrong was to login from different IPs within a short time frame.

About two weeks ago, I signed up for a Facebook business account. Then, I opened an ads account, and set up my first campaign. Within minutes, my account got suspended. I filled out a form trying to explain that I'm traveling and that my current location, the location I sign in from, and my billing address all may differ from each other. I also attached a copy of my passport as requested. All to no avail. A few hours later, they sent me an email to the effect that my account was permanently suspended, this decision being final.

Then it got even worse. Just 24 hours later, my Google AdWords account also gets suspended. It had been previously been put under review, but there was a message that said that this was done periodically, so I thought there was no reason to worry. But apparently I was wrong. At least, they gave me a reason. Apparently, the system thinks that my billing information is incorrect. But my billing info did not change at all. I'm just traveling.

So, I'm totally at loss over this. I already gave up the hope of ever being able to run Facebook ads. But as for Google, I had run several campaigns in the past, and, I still believe that it should somehow be possible for me to get my account reinstated. Though, I don't know how to go about it. I already filed an appeal, but I guess it can take ages for them to make a decision. I just don't understand what I did wrong. If I violated any ToS, then please someone tell me what exactly it is that I did wrong. Thus far, I'm totally in the dark. I can't possible be the only person signing in from different locations?

If anyone can help me or give me some pointers, I would greatly appreciate it. Thanks.
First I like a lot of this article. Thinking about one's role in the community of the company, and the responsibilites product, is important and valiable.

That said:

Maybe it's nitpicking, but responding to every IM or email in an hour or less?

If communication is key, it's much better to set up clear times when you are available for talking then to respond quickly to emails, at least for things that don't require repeated interactions. One might also up expectations for urgent replies that can interrupt you, but you will have communicated expectations. You can have a give and take with the above, but in general, you will respond more effectively if you chunk your reading and sending e-mail.

Then, absolutely be available at the set times, and respond to messages during them.
Being the only one can also mean there is no market... like being the only company to offer flood insurance on the Sahara...
As for the ad content of my campaign, the target was a dating site. The ads were pretty standard, I based all texts on ads run by other dating sites. Something like:

Date Successful Men
Successful men all over the world are looking for [insert country] women. Sign up - it's all free to use!

Is there anything wrong with this?
Thanks for the benchmarks.

While it will not affect the way i work it is interesting to see the differences between languages and plateforms , in the context of a web application. Clearly Go and the JVM are doing very well in term of performance. In some cases it can affect the hosting cost , especially when deploying on pay as you go saas.

Big frameworks and ORM , especially in dynamic languages should really get into serious optimization , there is no excuses for some frameworks to be so slow on trivial things like DB requests ,etc ... there will always a last one in the list , but that last one doesnt have to be only 1% of the performances of the first one in the list. It's pretty shamefull.
I asked leafo about adding Lapis and he sounded interested. Since then I haven't harassed him. I figure he will get to it when he can.
Why do you need cash for the MVP? Is it a physical product? Do you have to hire someone to build it?
Prepping for an insane amount of traffic tonight. Some previous participants have reported 125k concurrent connections. We'll see. 128 large servers on ec2 divided between our api and web site.
Thank you, I do realise that too. I'll try to do a design refresh soon.
Lost me at sign up with Facebook as your only option
Am I the only one here that is quite satisfied with the bookmarking system in my web browser?
beep boop must have non ambiguous social protocols beeep

Usually zero-tolerance and codes of conduct are not enforced evenly, and serve only to lend bureaucratic weight to arbitrary (for better or worse) decisions.
What I miss from that benchmark:

- CPU/memory consumption

- higher concurrency level (4096 for i7 at least)

- dependency graphs - latency/concurrency etc.
I have lost some Pentium 4 motherboards (and video cards from the same era) to this. Don't remember the specific models, sadly.
"People for whom some fact holds" IS the very definition of personal information.

What's missing from the GP's example is showing the ad for medication to the same user on a later unrelated search. On any given search, I would expect an ad-sponsored search provider to give me ads related to the current search term. If the seach provider stores my search history and serves me ads from previous search terms, that is personal information being sold, in my opinion.
Zynga Tells CupidWithFriends To Stop Using ‘With Friends’
Hellban for spammers! Only on HN :)
Not comprehensive, but the premade recap kits at badcaps.net has a lot of the more popular devices listed.

Additionally, I've seen at least three home routers from friends and family fail because of bad capacitors--visibly blown, and in two cases I replaced the caps and they started working again. (In the other case I just threw it out.)

http://www.badcaps.net/pages.php?vid=21
Rule 4: Be sure of your target and what's behind it.

Aside from shipboard CIWS, it's pretty much always hitting the earth.

On the other hand, it's not that nasty.
'Sponsor' implies some sort of continuing relationship or cross-promotion or consideration received, so it's not very accurate to say Wikipedia has 'corporate sponsors'. The Wikimedia Foundation has received some corporate donations (including from Google), but those are a relatively small portion of their budget compared to tiny individual donations.
Agreed, this would be interesting. It's under discussion: https://github.com/TechEmpower/FrameworkBenchmarks/issues/10...
We'd like to include Async Sinatra, but I don't want to rush you. We look forward to the pull request when you find the time to wrap it up.
The Most Powerful Arm Ever Created
And this is why submitters complain about title changing by mods. I was keeping the spirit of the original headline, mod removed "in 9 months" in favor of "alternative". I think mentioning it was done in 9 months is important.
Thanks, those are great comments!
I got pretty good a soldering around this time. Scored a free "broken" monitor and spent about 75 cents for new capacitors :)
Original thread: https://news.ycombinator.com/item?id=5721310
I actually remember first using this by dialling 2580 about 10 years ago. At the time it felt truly magical.
It is a consequence of the Peano arithmetic (Peano axioms plus definition of addition and multiplication), it is just not provable in this system.

Gödel's first incompleteness theorem [1] states this fact, that no theory above a certain expressiveness (read as can express natural numbers with addition and multiplication) can be consistent and complete. Assuming Peano arithmetic is consistent, it can not be complete and complete means you can prove all true facts expressible in the system within the system itself.

The (standard) proof of Goodstein's theorem uses ordinal numbers [2] which are outside of Peano arithmetic and the Kirby–Paris theorem proves that there is no proof inside Peano arithmetic [3].

[1] http://en.wikipedia.org/wiki/G%C3%B6dels_incompleteness_theo...

[2] http://en.wikipedia.org/wiki/Ordinal_number

[3] http://en.wikipedia.org/wiki/Goodsteins_theorem#Proof_of_Goo...
No, I meant that Scott Kurtz (the book co-author and PvP author), in his book, gave very similar advice to Aaron Diaz, the author of this “Figures” blog post. But I see how my wording was ambiguous.
You might be interested in this paper:
http://research.microsoft.com/en-us/projects/ldg/a10-stein.p...
Combustion doesn't make things explode; it just heats things up so they vaporize. But there are other ways to heat things up, too, and the end result is the same.

I thought it was a weird footnote. I mean, do people really think that the rock would burn even if there was oxygen?
HyperLogLogs at work: easily estimating set cardinality
INB4 questions to the Go results: Nope, issues of round 4 not addressed yet.

Like in round 4 (since the related code hasn't changed) the many concurrent spawned goroutines probably get in each others way, causing a high latency and low throughput.

There was a reversion of the test without goroutines, which I think performed better. But I was told the goroutines version is more realistic... (I don't share this opinion).

To be fair, this version had also a manual connection pool to address a previous bug.

Also Go's database connectivity is not very mature yet. There is still a lot of work to do. I'm pretty sure it can and will be done.
I would agree with the other comments so far.

If your idea is in fact without competition then include who are possible competitors no matter how slight. To not have any competition is a HUGE red flag. By including even the slightest of competition then you are showing that you have done your research. Also, make sure you have a rock solid way of explaining how long it will take for investors to get their money back.

Contact your group of contacts and ask them why they do not want to back you. You may be surprised at their responses. But take their advice and alleviate their concerns. Because their concerns will be the same as potential investors.

Find a way of doing it on a smaller scale that you can afford to finance yourself. You will need a proof of concept anyway so start working on that. People are more likely to invest in things they can actually see not ideas alone.
Maybe it was a tax evasion scheme - in some places governments don't tax lottery winnings.

Of course, in many jurisdictions, the concert organisers probably would be liable for sales / income tax for the scratch cards, but perhaps they believed they had less risk of legal consequences for not counting this as income.
Suppose he had gotten his chips into the iphone what margins would he have been making? These chips that go into cell phones don't make nearly the margins of the PC chips.
Little known fact: the show takes 2% royalty on operating profits or 5% equity of the company just for coming on the show - might seem like a lot but the exposure might very well be worth it

Source: http://boss.blogs.nytimes.com/2012/09/19/passing-up-the-oppo...
>˜3 times as fast as the nginx-postgresql-c driver

That's interesting..

>LuaJIT FFI is probably the right answer

Do you mean calling nginx internal functions (DB driver or location capture, like ngx_eval module does in that case) via FFI (I doubt if that is safe in any way) or just use libpq from LuaJIT directly?
Personally, me and some of my other guy friends have not been able to maintain a relationship while working on a startup.

I'd actually be curious to see if among entrepreneurs who have worked on a startup and also maintained a successful relationship with their significant other, if there's a statistically significant difference between male and female founders.
Has Kickstarted backed off from their recent stance? As of last September their position was that "Kickstarter campaigns will be unable to use simulations or design renders to illustrate what a completed product may look like or how it may function. Instead, creators must provide photos or video of prototypes as they exist at the time of posting." -- http://www.kickstarter.com/blog/kickstarter-is-not-a-store
The minimum impact velocity on Earth is 11km/s??? I beg to differ -- bodies can impact the Earth at arbitrarily low velocities. It depends on where they originate. There are clearly some assumptions being made there that aren't spelled out.
I'd go as far as to say, if someone is spending the money to hire a competent foe to attack a specific person who isn't a paranoid security expert, there isn't much chance they'll escape uncompromised.