skysight-inc/HackerNews huggingface dataset:
I couldn't tell from this site if the owner is under the impression that he was never informed it would take that long to get the money, or if he signed the contract knowing full well what the reimbursement policy was and just thinks it's unfair now that he's had to live it.

Also, I'm a little confused about the economics involved. Most of the overhead in this kind of restaurant is in the facility and labor. The raw ingredients of even the most gourmet waffle should pale in comparison. And your facility and labor costs should hold about steady unless you're doing an insane amount of additional business from Groupon. And his base price was $8. $8 for a waffle. I'm no cook, but it seems like there should have been a very healthy profit margin in there.

I don't own a restaurant or know much about the economics of keeping one open, but this seems like an odd situation to me.
I get that groupon is shitty. But I'm very confused about the mosaic part... Can anybody provide more context?
I can tell you, as a developer on Growl, being in the top 100 paid app list at $2.99 is not going to be like being in the top 100 paid apps on iOS by a extremely huge margin. Growl retails at $1.99. We are always around the top 20 paid apps and have been for a long time and even that rate, it's not really sustainable for multiple developers.
Which some tinpot dictator might just try to do.
It would be nice to get back to basics, but everything today is built off layers. The entire protocol those web pages are being sent on are an unrelenting tower of abstractions. Mac addresses vs sockets vs tcpip vs http and then all the abstractions that make up ajax and the dom. It's turtles all the way down in web development!
Thanks for posting this. As someone trying to get a protocol through IRB right now, this helped put my frustrations in perspective. I think.
For those one-offs where I have interacted with the person directly, I would equate this very closely to the barista model, and expect to be able to give them a single-instance tip that doesn't recur.

I mentioned this before (I think, or somebody did) and Whit's response was that he wanted to be able to shore up the 'regularity' of the revenue stream, but I think that does the whole service an injustice.

I am likely to tip small amounts that recur, and larger amounts for, pardon the analogy, 'good service' or for someone who went out of their way to help me, or did something awesome. I might tip a $1 a week to the Apache Foundation, for example, and/or $10 to the guy who helped me figure out why Apache kept crashing.

As for the 'regularity' of the income, I see no reason why you couldn't just represent the values separately on admin panel... "You are 'earning' $200 a week on GitTip, and also got $50 extra in your tip jar this week."

Add to that the ability to integrate a 'tip jar' into websites, Trac, FogBugz, Github issues or anywhere people interact with other people who help them, and you've got a more rounded system (IMHO).
I have an idea for an open platform that just has PCIe slots and fpgas. 3rd parties can write the firmware that runs on the FPGA layer. Add in banks of DIMM slots and you can run memcache or redis directly on the minimal box. No operating system. Since network cards boot PXE, the firmware on the device could get loaded over the network. Routing tables could get compiled from a HLL -> Verilog -> FPGA.

What do you think?
I found his YouTube channel with a little Googling. He's NathanWhitehead: http://www.youtube.com/user/NathanWhitehead.
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The experiments cited in this paper are largely from the manufacturing age, where workers were doing largely mindless work on an assembly line. I'd imagine that for today's highly-trained, heavily knowledge-oriented creative class, the optimum workweek is roughly 25-30 hours. That seems to square with the amount of actual productive coding time I got when working on my startup, with the data RescueTime got on actual coding time for their YC class, and with conversations I've had with friends in Ph.D programs.

It's probably possible to squeeze another couple hours of mindless work in there (eg. checking e-mail, triaging bugs, meetings) to round out an 8-hour day. But if you're interested in getting the maximum coding output on hard, creative programming problems, 40 hours is way too much.
See my reply to ImprovedSilence: https://news.ycombinator.com/item?id=4284419.
Read also: http://en.wikipedia.org/wiki/The_Theory_of_the_Leisure_Class
Closing business for a day: labor cost = 0. That means less burn. He must be bleeding for cash given the timing (3 months). At this point, business owner has to amortize the labor cost across fewer waffles.
My bet is when you get back to "basics", you will end up writing some ( probably worse ) rendition of views, models, collections, and events.

They are the most basic components of any good UI and if you find yourself deviating from them too much you're probably in the early stages of Dunning Kruger. My advice. God knows I learned the heard way. Develop a little humility and learn from the decades worth of history of people who came before us.

None of these application architecture problems are new. Backbone is simply the re-introduction of time tested historical principles to all you young amnesiacs.
Ask HN: What's the largest (LOC or traffic) Rails 3 site?
Ask HN: Anyone making a living from Mobile apps?
This was at the top of HN earlier, but for some reason it was deleted...
I hope he moves on to a better company. :) The guy is legend. It's hard to find much good to say about Oracle these days.
Yes, "else" is a strange keyword to use for it, but I have found the existing semantics to be useful in practice. The application is nearly always related to handling success/failure of some kind of search. In Python, for..else allows elimination of variables whose names are something like "found".

In C++:

bool found = false;
for (...) // Look for something
{
XXX;
if (YYY)
{
found = true;
break;
}
}
if (!found) // Didn't find it
{
ZZZ;
}

but in Python:

for ...: # Look for something
XXX
if YYY: break
else: # Didn't find it
ZZZ
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Why would it be surprising? Individuals tend to want to maximize their income to improve their situation, even if most other people think they are making "enough".
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Productivity has various shades and maximizing productivity of a corporate slave is difficult.

What I have observed is people sprint only under to two situations- first when a lion is behind them or when they are chasing a gold treasure. Expecting people to sprint all the time doing work as normal without any gains or losses doesn't get winners in any situations.

In my experience my work day is generally divided into three sets of tasks. Periods which I spend firefighting, providing support to some urgent issue, providing information, routine chores, fixing bugs, adding features. The most productive periods of my work involve doing new stuff. The most unproductive and boring stuff involves manual testing, writing test cases and documentation.

So if you see it- money, fear of getting fired and interesting work form the biggest motivating factors in my daily productivity efforts. I never understood CEO/VP/Manager BS talk of expecting people to remain ridiculously productive regardless of rewards and quality of work. Especially when they themselves don't follow that advice. No manager/CEO/VP I've every met wants to work in a non growth area of work. They never want to touch anything that is not rewarding to their very own careers. Yet they expect their reports to the very thing they would never do.

Other wise personal productivity wise, my day breaks up into three parts 8:00-12:00, 13:00-17:00, 20:00-00:00. I skip the last part sometimes. Another thing that I've learned about productivity is to know how to tackle inevitable distraction. How not to get overwhelmed by tasks at hand, How to use GTD efficiently and learn to work from one session to another.
Does it actually take three months to get groupons fully reimbursed, or is this some kind of anomaly?
25-30 quality hours of coding, I would say is not an unreasonable view. I don't have data for you but I wouldn't be surprised if this was true.
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Agree 100%. Also, based on his menu, he made another critical error in using promotions like Groupon: no room to upsell. He's charging $8 for waffles (which may not even be that high in his DC neighborhood), but undercharging for coffee and doesn't appear to have any further upsells.

As an example, mimosas go great with waffles and can run up a tab quite quickly. Alcohol is usually excluded from such promotions, so this is an opportunity to reclaim immediate margin.

Edit: Yes, getting a liquor license costs time and money. So does running a successful restaurant. I was pointing out that running such a promotion requires preparation. He could also make his margin selling waffle toppings, sausage, and grits. Any way the merchant can get the average ticket well above the Groupon's cap is a way to stay in the black; liquor is just one way to do that. If a restauranteur isn't ready for scale, Groupon is not going to work.

And a medium drip at Starbucks is over $2 everywhere in Atlanta (where I live). I'd be surprised if prices are lower in higher-priced D.C.
This guy really wants a technical co-founder
Facebook ramps up lobbying contributions in 2012
Yes. Training on the test set overestimates performance, cross validation underestimates it.
Yes,

Forming a rock band is not a viable business plan. Hasn't been for years, since long before the music industry's current woes. The music industry survived for years and years parasitically feeding on the free labor that would-be stars put into skills for their hoped-for careers. The movie industry and the sports industry similarly harvest the freely available talent of would-be stars. And some musicians, some actors and some athletes indeed make lots of money but total final rewards look like very little if you divide them by the effort expanded by those aspiring to success. And consideration of the problems involved here can easily avoided if everyone who fails in any of these fields is dismissed from consideration as a "loser".

This stuff may not sustainable but it can be sustained for longer than one might imagine.

I heard once that the only ones who got rich in the gold rush was the ones selling pans. Too bad Apples seems to have a monopoly on the mobile-app equivalent.
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When you work more than 40 hours per week, you're borrowing time from your future self. However, the interest rates are very high, and so usually it doesn't make sense to borrow this time.
"Do no harm" makes no sense in this case. Glioblastoma multiforme is a death sentence. These people were basically guaranteed to die of brain cancer within a year. They were offered a therapy that had a very low chance of working. They consented. It failed. They died.

It's a sad story, but experimentation is necessary to find effective treatments. If you're like many people on HN, you'll agree that terminally ill people should be able to commit suicide. If you grant that, why not let them consent to experimental treatments?
Predatory Marketing
Useful output depends highly upon the nature of the work and how well-rested you are. I find myself capable of at most 4 hours of high-intensity programming per day, but easily capable of 10 hours of routine work. However, if I don't get at least 7 hours of sleep per night, I'm useless for most everything.

Commenting on the statistics themselves, though, I would very much like to see the data on working time disambiguated from the data on sleep. Perhaps the negative correlation between working hours and productivity stems from their mutual relation to sleep: it is not only possible, but probable that sleep declines about linearly with hours worked. I would argue that the difference in sleep is likely to make a far larger difference for the majority than the difference in the length of the workweek.
I guess it can't be worse then giving them to our own Army. http://www.youtube.com/watch?v=00Z_haZqh60 (Pat Tillman case)
http://www.youtube.com/watch?v=Y-EwReGl88o (Laveena Johnson case)
I am with you, but I also know that businesses buy things that they don't need all the time. Things like full page ads in "The Other Yellow Pages you never heard of" and things like that. Perhaps he bought into the dream and didn't consider the consequences, perhaps they lied, perhaps perhaps perhaps. Sad though. Hopefully his story helps prevent another problem.
Before arbitrarily drawing conclusions about software development, it would be necessary to actually run proper studies in this industry. It is simply not rational, or scientific, to apply the results of manufacturing-related studies to software development, when the nature of the work and the cognitive bottlenecks are completely different.

Based on anecdotal evidence, I would postulate that the average optimal workweek length for intellectual (and part-creative) work is significantly shorter than 40 hours (30 hours?), and probably varies wildly among individuals (while the optimal manufacturing workweek length is very stable over different individuals).
You'll need to offer studies establishing a causal relationship between testosterone levels and technical/business success for the difference to mean anything.

For all we know lower testosterone levels may lead to a heightened business acumen.
So now i'm wildly curious.

This makes it sound like you don't just choose to listen to certain music because you like the sound of that music.

Why else is music appealing except because of how it sounds?
From the FAQ:

> What are the maximum benefits under the program?
> Amazon will pay up to 95% of the tuition, textbook and associated fees up to a maximum of $2,000 per year for four years.

Tuition for an associates degree is usually upwards of $5000. I was impressed at first; now I'm deeply disappointed and see this as little more than a PR stunt.
It should be noted that what is needed for assembly line productivity is different than what is needed for complex cognitive tasks. The more demanding the cognitive task, the more important sleep and relaxation are. That is why in Steve McConnell's classic Rapid Development he advocates a 35 hour week.

And the real limit for a lot of people may be less. For instance read http://www.kalzumeus.com/2012/05/18/kalzumeus-podcast-ep-2-w... to find out that patio11 thinks that he can only be productive 2-4 hours per day. This is a man who started a business on the side while working the insane hours of a Japanese salaryman. It isn't that he can't put in the hours, it is what he can do and be productive.

Greatly complicating all of this is are two simple facts. The first is that we can push ourselves and be productive for a short period, so over a couple of weeks we really can work insane hours and be productive. The second is that we have coping mechanisms to hide our own inability from us - so as our ability to function disappears down the drain, it is very hard for us to judge how impaired we are.

To that end, there was an interesting piece of research that I read about many years ago. The military was conducting research on sleep deprivation. One of their findings was that soldiers can be trained to operate on 6 hours of sleep, and will self-report that that they are functioning well and getting more done than they could if they slept longer. However the wives of those soldiers disagreed. And when ability to perform was judged on standard ability tests, the wives were right.

If you, personally, work long hours and consistently get little sleep, there is some food for thought. Could you be getting more done if you took care of yourself and put in more reasonable hours?
The history of Bourne shell, or sh
Others can 'sell pans' by creating products that target developers (cloud backends (like Parse), mobile advertising, mobile testing infrastructure, etc.). Note that doing this makes you very susceptible to a tech bubble popping, though.
It really looks like they sold dreams to the poor business and the business was too busy to really understand the terms and consequences of the deal. May be Groupon took advantage of the gullible business or maybe they were they were too dreamy eyed but ultimately the party that suffered was the small business and I think they should have done the due diligence of validating what the modus operandi was for Groupon.
The productivity gains have happened _because_ people were obsessed with increasing output. What's even more interesting is that we've had to adopt a consumer culture to keep the economy rolling in the face of an excess of supply. Marketing is an entire field of pseudoscience devoted to increasing demand to meet an artifically inflated supply.

Even the web is funded largely by advertising, marketing. Could it exist if we in the west had a classical eastern philosophy of not desiring more than we needed? Given that china invented practically everything, but got "nowhere" doing it until they adopted consumer culture, i suspect that the web wouldn't have happened.
I'm never very easy on Atwood and I won't start to be now. However, I love this part of that movie. It's very nice. (have to balance comments some time :) )

I'll set aside what I think about including a comparison to "Letter from a Birmingham Jail" to the rest of the things discussed in the post.
Does it even matter that it takes three months? Most groupons are valid for more than three months. Even though I assume most are used within the first month, its still not all of them.
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Riiight...

It's 2012, everything is either a commodity made in China or a Veblen good. And not just any Veblen good. Everything that is not a commodity is ... sky diving!
Twitter is much closer to being classified as infrastructure in my opinion.

Instagram is a pretty much a self-contained service (i'll draw no conclusions about the frivolity it enables, just wanted to draw a distinction between the two.)
Oh well, more business for the free waffle stands.
http://news.ycombinator.com/item?id=4279118
$8 for two. $4. Groupon takes half. $2. Paid over three months. 66c. More of the money will trickle in later, but 66c (and still a month later) is not a very healthy profit margin.
I think the point being made here is only valid when you just move the data around and don't alter it. filepicker is a perfect example where you pass the data around without actually touching it and such a usage is a perfect case for passing the "pointers" around. In most other cases, you'd want to pull it down the moment you are going to transform it.
Sounds like you get some nice artwork with a free waffle.
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>>It should be noted that what is needed for assembly line productivity is different than what is needed for complex cognitive tasks.

Not actually. Assembly line work might be less intellectually appealing to us, but for a lot of people it is a complex cognitive task. If you were to talk to a every day assembly worker of an iPhone, he would find assembling complex circuitry pretty intellectually challenging.

Things become less intellectually challenging as your brain gets seasoned to it. Even coding for that matter these days has become pretty less intellectually challenging. Growth of modern day IDE's have rendered many programmers into kind of code assembly workers, autocomplete/intellisense does most of thinking these days.

>> The more demanding the cognitive task, the more important sleep and relaxation are.

My dad is a cab driver and he used to drive trucks before. I can tell you this is not true. You can easily argue driving is a repetitive task once learned. But you have no clue how tiring it becomes. In general a hobby is enjoyable, but any thing taken up full time as a profession is tiring.

In the book Flow by Mihály Csíkszentmihályi, he explains how once you get into Flow enough number of times, any job becomes boring and you have to keep moving higher up the ladder of difficult tasks to experience Flow again.

So its not that we programmers do jobs which are the center of the universe. What is true for others is generally true for us too.
Full page ads have a limited loss potential though, what you spend on the ad. And you pay up front (I assume), so you probably aren't making an obligation you can't keep. Your groupon "ad" loses more and more money the more successful it is.
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I wouldn't blame Groupon if my business was so fragile that a single Groupon campaign (that I setup!) could kill it. Little restaurants like this go out of business every single day. They probably turned to Groupon hoping it would save them and instead it hastened their demise. It feels better to blame someone than take personal responsibility for a failure.
I thought this was a satire on the app store/Sparrow discussion when I read it, until I got to the bottom.
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Yes.

http://online.wsj.com/article/SB1000142405297020435800457702...