skysight-inc/HackerNews huggingface dataset:
Theres a difference between having value to users because its a decent app and they get to use it for free, and generating revenue from those users. Ask those users to pay and they will leave in droves.
Gotcha, yea pretty cut and dry. I don't agree with that law but that's another issue I guess.
It's impressive to see the collection of Coin competitors hit the HN frontpage and comments today. Best of luck to all of them!
I've been using Wallaby for a while (the company I used to work at invested in them).

They're really awesome.

I haven't used Coin or Echo for comparison, though.
I agree with your general sentiment and was initially inclined to make the comment more verbose and not include the URL; I would certainly not be content with just a URL. Still, in this case I would consider it a fair compromise, primarily because the inclusion of the URL is non-essential but value-adding. That is, it explains more, but the two important points—the purpose of the code and the reason for the number 3—are captured by the lines above, but the blog post adds more information which could potentially be of use later. Furthermore, the author of the code is the author of the blog post, which increases the probability of its survival.
For me, and for many others I'd imagine, maximizing my credit-card-rewards does not trump having control over which account I'm using. Coin is better suited to my needs.
Quantum Bogodynamics
So far Cisco is just whining about how the government is being unhelpful. I wonder when technology vendors will start offering truly secure systems that have no back doors and are highly resistant to snooping.
It definitely escalated quickly.
DVD to Cellphone - Convert/ Rip/ Transfer DVD movies to mobile
This is a tutorial for "DVD Ripper - cellphone" of DVDFab . Converts a DVD title to specific format which is supported by cell phone.

With DVDFab, you get a 30 day fully functional trial for all of its features.
Just enjoy DVDFab and SUBSCRIBE!! Look at the site at:http://www.dvdfab.com/dvd-ripper.htm
has AIDS tho
Would you like a faster horse or a horseless carriage?
I'm going to build a service that let's you combine your combined cards
Someone posted Coin, so everyone who knows of already in the works competitors are going to flood the homepage while the getting is good.
I'm actually a student in the course and my interest in this was spun out of the last homework.
That's a great site, thank's for the link.
Now we just need a onecard for all these onecards.
I can't wait until version 2.0 comes out and they send you a padded envelope in which you're supposed to ship to them all your chip and pin cards so they can clone them into your device.
Wow this is my first time hearing about this. Amazing product...
The future right here, looking forward to the IPO day.
It probably pays to note that the house and senate were Democratic majorities in 1989, with a Republican president.

I would expect that to create a somewhat different dynamic than the party alignments of today.
Maybe similar to how Paypal does it when I pay through PayPal with my credit card?
Someone posted Loop in another thread: http://www.kickstarter.com/projects/loop/pay-with-loop

While not as close to Coin as Wallaby and Echo, it feels like it belongs in the group. Can't wait to see these all in the wild!
Well I'll get the last laugh because I'll be combining all the card combining combiners.
Barely adequate? There are on the order of 200 metra stations radiating out from two major and two minor downtown stations. On the north line, folks commute from Kenosha. Because of the line into Indiana, some folks have a very short commute.

I have worked downtown for the last four years, and only drive to Montana.

Unclear to me what more than adequate might look like.
Looks like they fixed it just for you!
I'm not sure but I think HDD are better at sequential operations than SSD (which performs better at random operations). Some people say MySQL performs better on a high speed HDD than on a SSD.
I've watched my mother suffer from this for 20+ years. She initially had a doctor that treated her for 3 years with very strong antibiotics. She made remarkable progress. The doctor left practicing for personal reasons and subsequently she couldn't find good medical help. Her condition deteriorated over the years.

While the CDC doesn't seem to dismiss symptoms, I've watched dozens of doctors dismiss her. I've received calls from dozens of people who all have the same set of symptoms. I've also seen people get better only after years of antibiotic treatment, and slowly at that. My friends in medical school have indicated that they receive about two hours of Lyme-related training during their education.

The issue that you have is three-fold:

1. Ticks often carry multiple infections (Borrelia Burgdoferi, Bartonella, Mycoplasma, and Babesiosis). Each of these infections can leave the immune system in a dysfunctional state. Most studies only focus on treatment of BB, leaving the other infections untouched.

2. Given that, for the toughest cases, years of antibiotics may be needed, it is extremely difficult to keep studies "controlled". i.e. a week long study may not have much variability, but over a two-year study, a lot happens. The noise increases relative to the signal.

3. BB has very high genetic variability. This leads to the potential for larger numbers of strains, with over 200 thought to be in existence.

I'm not contesting that this isn't well-understood. In fact, I fully agree with that. But statements like there is little to no evidence that Chronic Lyme exists are inappropriate. This is an area that has historically been underfunded, and it has a pretty rich history of controversy. We can fight over nomenclature all day long, but that doesn't change the fact that a lot of people are suffering, and the broader medical community is woefully uninformed.
Have you taken the Dan Grossman's Programming Languages on Coursera? It gives a very detailed rubric– you're required to complete 3 peer reviews and a self evaluation with the same rubric. That being said the peer review is only worth 10% of your homework grade, the rest is done by the autograder. I haven't gotten a ton of feedback so far– just reviewing other people's solutions is probably more helpful. Still, it's better than some of the other courses. It would be great if there was an incentive for providing meaningful feedback– I don't know if rating your feedback would be taking that too far but it might be more effective than a simple wordcount.

My experience on EdX is limited to MIT and Delft– I'm looking forward to a time when I can try out one of the Harvard classes.
Wow, I had no idea this rule existed. I've been to plenty of stores that require ID for every purchase, especially here in NYC. I've even seen signs, "All credit card purchases require ID, no exceptions."
No chip and pin? How could this possibly work?
Oh yeah, it was too! https://news.ycombinator.com/item?id=4244627 No problem at all!
I'm not sure "afraid," is the right word. Perhaps Apple's legal team is just trying to avoid potential run ins with the law?
Somebody should come up with a service to unify Coin, Echo and Wallaby cards into a single card.
Can we at least change the name?

STEM (science, tech, engineering, math) started out as SMET, but they rearranged it because SMET sounds like a disease.

MOOCs sound like a cavalcade gullible people with brain damage screaming slurred almost-words from rooftops.
They're not new, it's just that the ease of disputing fraudulent charges combined with the low incidence of fraud made them mostly superfluous.
I'm stumped as to how this can work. The logic can't be embedded in the card, as the card doesn't know what you're charging to it -- the merchant's category code (i.e. gas station, restaurant) isn't programmed into their terminals, that data gets relayed through the various backend networks between banks.

So this can't be sending a card swiper the number of one of your cards, which means it must be a valid credit card itself. It has to be issued by some Visa/MasterCard/Amex/Discover member-bank to be widely accepted, though none of those logos appear on the website's mockup.

If that's the case, I still haven't a clue how they turn a capture against their card into a capture against one of your "real" cards based on the type of store you used it at. They can't be charging your real cards themselves, as all the charges would come from a single category code, whatever one was assigned to their own merchant account, so you won't get the right rewards. They'd also lose money on every transaction that way, as they'd have to pay card-not-present fees to charge your cards themselves, while only collecting lower card-present fees when you use the Wallaby card.

Puzzling. They must be trying to get some kind of relationship somewhere else in the network that no other company has (either direct relationships with issuers, or permission from Visa/MC to sit on the processing network somewhere and do some kind of MITM).
A friend and I were trying to achieve that this summer via some various hacks, for a Java stack.

My friend ended up running the test script in a `while; sleep` loop, and made the script generate an ugly HTML page of the test result. He'd then setup Chrome to refresh every x secs.

What we were really wishing for is something like GoConvey - even thought about doing it ourselves when I explored the `fsnotify` package.

All that to say; this is really neat and I can't wait to integrate it in my workflow.
coin takes in debt and gift cards - which is more convenient for me, wallaby seems to be only for credit - I only have one credit card, I didn't even know you got rewards for using them.
Their security page [1] needs some work: apparently they "use SHA 256-bit encryption across all of our solutions" and "your personal account information is never compromised". SHA-256 is a hash algorithm, and it's not very clever of them to state that users' PII is never going to be compromised. Someone with an ounce of computer security knowledge needs to rewrite this page, quickly.

[1] https://walla.by/security
How is this not true? It absolutely IS vendor lock-in, just in a slightly less sinister form.

If you add 5 services & then to switch hosts it's not another git push. You have to re-configure each of the services. If you'd done this yourself all along & made machine images it would have been less convenient at the time, but probably cheaper & a good learning experience. There are many other hosting platforms that offer Linux boxes so you could move your whole App/Software layer to another of these companies without much trouble.

I'm not saying Heroku is evil or anything. Yes, they provide a good platform. But I think any web company with a significant customer base would benefit more from the cost savings & freedom of a purer platform than the conveniences of Heroku.

Plus, there are so many configuration issues with their services. I have auto-scaling setup with Adept and still I see these long request-queue buildups now & then. I get the feeling I would not have the same issues with an AWS stack where I have CPU usage monitors that are very transparent & all the networking is trivial.

I still use Heroku as an app server & don't hate it enough to up & move (though a large factor in this is I'm not the one footing the bill, the client is...) but anything I can easily get on to AWS is a no-brainer. Database is one of those things -- a couple clicks to scale up/down every year is all thats really required.

CONCLUSION (cuz I rambled too much): I think Heroku offers scaling/convenience but AWS is just so rock solid & cheap that you can probably just buy larger instances than you need (to compensate for scaling) and have much better performance at the same price. Then you just need to learn how to install your tools & take a machine image as backup. Plus there's a lot of value in learning how to work with machine images that goes way beyond hosting a web app.
Why not just use a regular outlet timer?
> my wealthier friends who give birth are 'over-educated and academic', and the understanding of a natural birth is a given

That's a little bit like the crazy parents who won't vaccinate their kids. We've done such a good job with immunization that they've never seen the consequences of ignoring it, so they pick up woo-woo theories about autism and ignore all medical science.
This isn't new at all: http://www.forbes.com/sites/jonmatonis/2012/06/13/why-apple-...

It was nice to have the Coinbase app but there was always a risk they were going to pull it. Gliph still works...
I got followed by this account too today, but when ever I click on the profile it gives a 404.
Here's a link I found to the paper in question:

https://lesacreduprintemps19.files.wordpress.com/2011/04/nyb...

From my quick reading of the paper, Nyborg is arguing that based on Denmark's current immigration and minority birth rates, “by 2072 the total population [in Denmark] may consist of 60% ethnic Danes and 40% people of foreign origin.” Since these minority groups have lower average IQs than native Danes [1], the average Danish IQ will decrease from about 97 in 2013 to 93 in 2072. This "reverse Flynn-effect" will only increase with time since these foreign borns have a higher birth rate than native Danes. Nyborg then cites the correlation between a country's Average IQ and National GDP [2], and suggests that a drop of 5 IQ points is correlated with a 35% drop in Danish GDP. He ponders why many Danish politicians and intellectuals have ignored this data and encourages them to reconsider their policies before there is "an anti-Darwinian death spiral that dooms democracy, civilization, [and] welfare" (an argument very similar to that of Norway's Anders Breivik [3]).

-

[1] Racial differences in IQ have been well established for decades but there is no conclusive evidence for its cause. To give some concrete numbers, for the United States, the authors of a 1994 book found the average IQ of African Americans to be 85, Latinos 89, Whites 103, East Asians 106, and Ashkenazi Jews 113. Amerindians tend to score worse on average than white populations but better on average than black populations. These differences appear to be consistent over the past four decades, and still exist (although to a weaker degree) even after controlling for SES.

If you don't believe me (which you should, since this is a highly controversial topic), there's more information on the Wikipedia article about Race and Intelligence. https://en.wikipedia.org/wiki/Race_and_IQ

[2] It's not the article he cited, but here is an excellent article that attempts to extend this theory. http://www.lagriffedulion.f2s.com/sft.htm

[3] In his manifesto, Breivik, who killed 77 people in the 2011 Oslo bombings, argued that Norway's (and the rest of Europe's) immigration policies are letting in too many immigrants, and these immigrants will eventually destroy Norway's national culture/heritage and bankrupt the nation's generous social policies. Breivik committed the attacks because he wanted Norwegians to discuss these policies before it was too late to change them.
Interesting analysis, David. I actually got strikingly similar results looking at voting matrices and using SVD to turn them into two dimensions: http://vikparuchuri.com/blog/how-divided-is-the-senate/ and http://vikparuchuri.com/blog/the-danger-and-power-of-visuali... . I assume you did something similar.

Either way, it's surprisingly easy to get access to this data, and fun to analyze. I have the scraping code on github (described in my blog) for anyone who is interested.
I sure hope Apple can't force an uninstall of apps I've already downloaded and installed... This makes me distrust the auto app update feature of iOS 7.
PayPal doesn't do any passing-through. The entity you are paying is PayPal, and separately PayPal is putting money into the recipient's PayPal balance. You wouldn't get a gas station discount even if a gas station created a PayPal account and accepted your card with a PayPal terminal.
Reducing retail waste is better for everyone. Though some of the stuff they do is questionable, like how carefully items in the store are placed to maximize the amount of unnecessary crap they sell to impulsive people.
Wonder if instead of downvoting this, perhaps someone could explain what I made wrong?
That's what I mean, I'm pretty sure you can disable comments and it will hide all the existing comments.
Saying generic-big-organization-or-government is "afraid" of you is a generic tactic to empower your cult-like base into thinking they matter.

It's the "doctors hate this elementary school teacher who discovered one weird trick!" of pet causes.
Not to mention his doctoral degree in education.
What happens to an app when Apple pulls it from the store? The app remains on the devices that already downloaded it -- does this just prevent anyone from getting updates and any new users from downloading the coinbase app?
I personally find Ruby's syntax much nicer than Go's, though I prefer Python's to both of those.
"Dropbox" has become generic term now?
Apple can do both. Either remain (without updates or new users) or remote uninstall on every device (generally used for malware).
Would you agree that a medical journal's impact factor is more important for new research than a summary? I would think that for a summary the quantity and quality of the references is a bigger factor.

As far as the clinicians, having a lot of family experience with the disease, I've seen things far differently. This in addition to support groups, phone calls, etc. We're not going to get anywhere debating experience, just letting you know that it happens a lot.
They can, but never have.
I'm going to teach binary math to third graders tomorrow
I think how it works is that the charge initially goes to Wallaby so the merchant is paid. They then charge the amount taken from Wallaby from one of the listed cards according to where the charge originated from and which deals your listed cards have.

It's a network switch for cards, basically.
Have you considered doing PCA and plotting the first two principle components?
I first read this article about ten years ago, and now I have my own daughter in third grade. I'm going to her class to do this same workshop. I can't wait!
"Card combining combiner is intrinsically worthless and worth 500b dollars."
Don't be absurd. Midwives are practitioners in the field of child birth. Some will have acquired a highly developed sense of what works and what doesn't. It is foolish to ignore their experience.
> Coin is trying to replace your credit cards (no other cards, like ID, Buss Pass, etc) with a single electronic card.

After living in Hong Kong for 12 days, I can safely say they have a superior system for this premise alone.

The octopus card. Accepted virtually everywhere any other card is accepted. It's like any other e-wallet with load, but its ubiquity in service acceptance is amazing.

Everyone has an octopus card. Everyone important to the infrastructure of the country accepts octopus card.
That's fair, but keep in mind that the CDC this year revised their estimates of people with Lyme 10x. This suggests that they've had a strained understanding of the problem.

http://www.pbs.org/newshour/bb/health/july-dec13/lyme_08-20....
Sad the comment by Gthrowaway1 on Vic Gundotra is dead, as I posted on this matter before.
My guess is deals with the issuing banks / companies.

Here's my thought process: the parties running rewards programs are doing it because they want people maximizing their spend a) on the card, because spending -> interest and b) on the items / shops / etc that they are incentivizing, because they have backend deals (such as being the airline that is incentivized, or receiving affiliate fees from retailers with low costs).

It doesn't even seem too ridiculous to me that they would be able to work out 0 fee / passthrough rates with the bigger players based on those incentives, though it would probably be a first!
I was more surprised at the incredible amount of buzz generated for Coin as if it were some totally new idea. I couldn't think of the name for most of the morning (Protean Echo,) but I remembered seeing this concept a year ago... Very happy that the others have been posted so people can realize it's not new or unique. As for the idea itself, I find it hard to believe the market for extreme-first-world-problem-users is large enough for any one of these companies, let alone all three. My morning commute photoshop: http://bit.ly/1at9PLO
Where's the meme picture with some guy laughing as credit cards fall all over him... "What am I going to do with all this access to money???"

I'm just going to carry my bitcoin mining rig everywhere - suckers.
Wow, thanks for sharing. Loop does away with carrying cards entirely and works with 90% of existing credit card readers - impressive.
I wonder how that works for getting you the rewards and stuff that you should be getting.

If all charges are from Wallaby, how will it know it's a car rental or groceries?
Google Launches White Space Database
I applaud your efforts. Java could really benefit from browser-based test output, I think.

Until recently, GoConvey was using fsnotify to respond to file changes in the watched directories. We started seeing a lot of "Too many open files" errors, for one reason or another. While fsnotify is a good package, it did more than was needed. All we needed to know is if something changed.

We were able to drop that dependency by simply walking the watched directories and checksumming them as we go by adding up file names and their modification dates. If the checksum is different, GoConvey re-runs tests.
If you use your Wallaby card at a gas station, then Wallaby separately charges your card that offers cash back on gas, you won't get any cash back as Wallaby's MCC is not that of a gas station. They'd also have to pay transaction fees every time they charged one of your cards, and those fees would necessarily be higher than any fees they could collect through usage of the Wallaby card. That can't be what they're doing.
Shooting 30000W Flash on Location to Light up a Fighter Jet
But naturally there should be at least one other competitor for a service like that. Then we'll need another service to combine the two aggregator-aggregators into a single super ultra card.
It looks like this product has been around for a year already:

http://imgur.com/C2A1vYQ

http://vimeo.com/44223249
It'll quickly drain the battery....
>"use SHA 256-bit encryption across all of our solutions"

Would love to see tptacek's reaction to that line.
The problem I have with this, is that its greatest strength is also its single point of failure. One card to rule them all, and one card to lose them all.
I'm expecting Santa to bring me a copy for Christmas :-) Looks like a wonderful book from a fantastic website.
You're right. This is basically what WLM (workload manager) has been doing for IBM mainframes.
My Citi card has special categories that give me double cash back every few months.
The lack of wallets for iPhone and iPad may be one of Bitcoin's biggest hurdles to mass adoption. Many early adopters use Apple products, but much of Bitcoin's appeal is lost if you can't carry it in your pocket. It's part of what makes Bitcoin cash-like.

Coinbase is already unsatisfying, as far as software wallets go, because you have to register with an email address. Your coins are held in a shared wallet, not on the device. But at least you get the idea of how Bitcoin works on a phone.

On the other hand, Apple didn't explicitly design iOS to be a highly secure environment suitable to store digital money on. A couple months ago, a bug in Android's random number generator was discovered that compromised all key pairs which used it. Android wallets had to issue an update which moved all the bitcoin in each wallet to a new address, generated with the patched RNG. But for a day or two, most Android wallets were vulnerable.
Hah!

Seriously though, you could link all of your cards to Wallaby and then store all of them + Wallaby on your Coin. That way you could use Wallaby's optimization when you want to or manually choose the card to use.