skysight-inc/HackerNews huggingface dataset:
Ask HN: How much offline time do you get daily?
I recently started not taking my phone to gym. So for about 2 hours every day I'm completely offline.

But I'm shocked that's all the offline time I get during the day. I was wondering how's rest of HN handling this.
Doesn't this post attempt to make a corrected chart using that data?
Looks like the same idea, I'm pretty disappointed that Tile is only for iOS. Looks like a good implementation of the idea in this article.
Should've run the numbers with Car2Go.

Uber in LA costs 67 cents per minute (avg. speed in LA is 26MPH). Car2Go in LA costs 25-41 cents per minute (41 per minute with a max of $15/hr).

Unsurprisingly, one of the more expensive parts about Uber is having a human being driving the car for you. Car2Go (if you don't mind driving janky little SmartCars) trims that cost now.
That's not a government subsidy. It's a feed-in tariff depending on the year, capacity, type of producer etc..

It is not paid by the government. The money is paid by the electricity consumers.

The energy intensive industry does not pay this, btw. Their electricity is 35% cheaper than in France, according to 'Uniden'.

http://nuclear-news.net/2014/03/19/frances-nuclear-electrici...
I hear what you're saying and agree in part, certainly where things other than health care are concerned. Both sides of the argument are deeply flawed. The fact remains, though, that we in the US pay more for our health care and get less in return for it than residents of countries with real "socialized medicine." We are indisputably doing it wrong. We owe it to ourselves to consider the problem more deeply than we can by comparing it to traded commodities like food and housing.
If ModelB needs to wait for ModelA, and it already is aware of ModelA (which your code requires) - why not make ModelA into an eventDispatcher, have ModelB listen to ModelA, and have ModelA dispatch an event when it's done (Or write a small onX function in ModelA).

It's also clearer, easier to implement, already implemented in tons of frameworks and easier to unit test (since you no longer need to mock the appDispatcher).

You should probably try to avoid using a global eventDispatcher (as any other global), whether you can specify order of execution or not.
Nope, he doesn't have to annotate the order correctly. Except if you mean locally, in which case it's trivial.
That is certainly the thesis behind the wild valuation of Uber - but so far Uber hasn't really shown the ability to lock customers into its taxi network. Whoever develops the self driving cars can build the Uber app/network part of the system much more easily than Uber will be able to build the self driving car part of the system.
You can't work during the commute in that case, however - the author referred to this as an opportunity cost of driving. Working in tech one would imagine in many cases work would be much more productive than driving.
Startups differ so much that there really aren't any features that are common to all startups other than those features that are common to all websites.

But I like the idea. I would suggest starting with a fork of dj-skeletor (https://github.com/senko/dj-skeletor) which I've found to be incredibly useful for starting off all my django projects.
Didn't know vex. Looks nice.
And if that happens, there are plenty of car dealers ready to take your money. It only takes 2-3 days to buy a car, people do it all the time.
Dolphin Progress Report: August 2014
Ask HN: What hidden gem are you using for JavaScript charts?
I've been exploring maybe between 20 and 30 options for JS/HTML5 charting for our app. (My current favorite one is http://morrisjs.github.io/morris.js/)

I am curious if anyone know a hidden gem that looks awesome but don't get the press that it deserves?
They have a contract with Google: http://techcrunch.com/2013/08/25/uberauto/
I couldn't describe how fascinating I'm finding your experience! I don't want to burden you with questions, so I'll have parsimony: can you ellaborate on what did your experience with LSD change in your disposition with mathematics? Did it remove an emotional barrier, did it make you somehow solve things quicker, and in what sense did it do so? (were you just quicker, or the same speed but more intuitive?) were you instead more creative?

I'm specially curious because I love math. There's no emotional barrier between me and various fields -- I find so many things fascinating I could get lost for hours absorbing any theory pretty much. But I'm below average at math. My biggest issue, particularly, is that I'm awfully slow and make tons of mistakes. This doesn't go away with any amount of study (at least so far). If I lived isolated and didn't have to be examined and so on, I would happily pace at my snail speed and be happy with that, but since subjects evolve too quickly and most people are too quick for me, I feel pursuing math-intensive fields would be too demanding.
It is a coincidence, and it is odd that Apple seems to get attribution for emerging technology trends.

All of the payment vendors are or have already embraced NFC. Here in Canada, NFC is ubiquitous, and I'd be surprised if it wasn't in the US. MasterCard's PayPass, for instance, is NFC.
I grew up in LA - Uber is a practical car replacement option if you stay largely within your neighborhood or city.

This isn't how most people in the basin live however - many (if not most) live at least 10, but usually closer to 20-25 miles from work, and rely on the freeway to get them to work - 50+ miles a day even in an UberX is not practical from a cost basis - not when you consider the large number of people who don't go out and buy a large luxury car, but instead pick up a beater economy car from craigslist, or something that they bought new a decade or more prior.

The comparison however does work when you consider someone who commutes under 10 miles each way a day, and buys a new car every 3-5 years.
If you shop at Costco, you'll probably very quickly get an Amex card.
Some items for context:

1) Almost all high risk, new, next generation early stage research is funded by philanthropy. Major funding institutions won't give anyone money unless they can essentially demonstrate a proof of concept, and that what they have works. Similarly the for profit world doesn't tend to fund high risk new fields, but steps in at about the same point as public institutional funding.

2) Almost all funded research for the major killers involve diseases of aging, and almost all of that research is aimed highly inefficient ways of producing marginal gains. Which is to say that researchers work backwards from the very complex end state of a disease, attempting to produce a treatment from each new proximate cause they uncover. These treatments largely involve attempts to manipulate a very complex and poorly understood state of metabolism / biology. Only a very, very tiny slice of all this research funding goes towards prevention or repair or other ways to address the root causes of these diseases of aging, which is to say the processes aging itself. Until this changes, progress is only very loosely coupled to levels of funding. You can spend a bunch of money paying people to drain a lake with spoons, or you could spend a lot less doing something better and more effective, and that's really a fair analogy for where medical research is with respect to the diseases of aging. A disruption is underway, but it is going very slowly, as things tend to in the research world, and hasn't yet had much of an impact on the bulk of the mainstream.
The model assumes 50% of full working productivity while taking an UberX ride. I doubt many people are going to meet that over the course of all their rides, not to mention that if you're salaried you aren't losing wages by not working in the car.
Some data for you:

http://www.chronicdiseaseimpact.com/
> they continuously operate on the edge of disaster

No, they don't.

> they require a huge number of highly educated operators.

Older designs, like Fukushima, do require operators to take certain actions in the event of failure in order to prevent damage to the reactor. (Newer designs don't even require that, which is certainly an improvement; but that doesn't mean we should misrepresent the features of older designs.) But they do not require operators to take certain actions in the event of failure to prevent radiation release to the outside world. They just require backup power. (Again, newer designs don't even require backup power, which, again, is certainly an improvement. But that doesn't mean we should misrepresent the features of older designs. As another poster noted, a similar reactor even closer to the tsunami had no problems--because the backup power generators were sited properly.)

> There are too many factors to assure they will be safe, and their failure mode can reach catastrophic levels.

This is not true either. Even if we grant that Fukushima has harmed many people, the main reasons for that harm were unrelated to the reactor itself: they were the bad siting of the backup power, and the fact that TEPCO and the Japanese government refused to admit what was really going on and take proper steps to contain it, including asking for help. The same sorts of human errors have caused much more harm in connection with other technologies--for example, consider the people harmed due to coal mining (several orders of magnitude more than those harmed due to nuclear energy).

> There's always a way to imagine a failure scenario that is possible, even if unlikely.

Sure, and this is true of any technology. But just imagining the failure scenario doesn't quantify the risk, and it's the quantitative risk that you need in order to make a fair assessment of the technology.
That is true that the competition is priced in a similar fashion. One of the things I've learned recently is that our client's have an average of 41 products and in the next year every food vendor will be forced to make new labels.

I guess I'm curious if any vendor has been successful in putting an artificial limit with a positive client perception.
Personally I was interested in seeing how much different committers have contributed to projects. For example, Linus Torvalds and Git: http://tomiaijo.github.io/github-treemaps/#/repository/36502... .

Also it is quite interesting to see the different programming languages used in projects. For example, Git has almost as much Bash scripts as C code: http://tomiaijo.github.io/github-treemaps/#/repository/36502... .
That's your TOC at the end of 15 years of owning the car. What was it in 1999 at the start?

Personally, I wouldn't be excited about the fact that my car had fewer safety features. My friend used to extoll the virtues of owning a 94' Camry cost wise. All well and good until you get into a car accident. What do you value your own personal safety at? I put it way, way, higher than the cost difference between an old beater and a new highly rated car.
Not quite.

Economics teaches you that there is no logic or system to this chaos, and after a threshold, it's no man's land.

Then, natural instinct takes over.

Welcome to the jungle.
Oh hey, we're working on MUSE! MUSE is a really unique program. I think the plan is for it to be entirely unclassified and for all the code and research to be published at its conclusion. We expect several performers will make use of another one of our DARPA-funded developments, mc-sema: https://github.com/trailofbits/mcsema
I can't confirm specific customers, but I've done consulting work for virtually every large energy company (as well as financial and manufacturing), and all of those were fixed-price contracts. (I put together all of those SOW's, so I'm very familiar with how they were structured).

In fact, government contracting is the only case where we've ever used T&M.

For what it's worth, I work in the same space as Thomas.
Yes.

The cops really are that racist - I'm not black - I'm about as white as you can get even (somewhere in my history there is a Norwegian bachelor-farmer :-P) but I've asked my friends of color, how often they felt they had been pulled over because they were a person of color in a place where a person of color perhaps ought not be - and all of them, uniformly answered "Yes, at least once a year, often more"
The article disregards the fact that a car has features that Uber doesn't. One is mobile storage: you can store things in your car that you often need wherever you go. This is particularly important for parents of young children. Another one is instant availability for open-ended road trips. It's not feasible to go visit a friend two hours away with the possibility of staying overnight with an Uber.

If you're going to include the cost of car ownership disadvantages such as tickets, you should also include the cost of Uber-dependency disadvantages such as the occasional need to rent a car, always loading and unloading everything you need to take with you, etc.
As for the usage, there is a mixed tier. You have like about 10% of the clients who generate less than 5 labels and then cancel at the end of the month. Afterwards you have a set who hold on subscriptions because they need to reformulate occasionally. Then you have a large set who subscribe for a month and generate about 50 labels and cancel.
This brings total costs to $18,115 per year ($1509 per
month) if you used UberX to drive everywhere.
Unfortunately, even without car payments and
depreciation, fuel costs, interest, insurance,
maintenance and repairs, registration and taxes, parking
fees, speeding tickets and opportunity costs, Uber is
still slightly more expensive for the average American
who drives 13,476 miles per year. In this case, it would
be cheaper to own and drive the medium-sized sedan.
That seems like you're disputing the charge/verdict, not the punishment.

What is the normal punishment for felony assault of a police officer for someone with no priors?

The reason this distinction is important is because disputing the charge/verdict requires getting involved in the case and seeing the prosecution's evidence.
So? I'm just pointing out that we don't expect anyone to navigate without maps -- there's no reason for automated cars to be different. amirmc said "the goal would be not to need those special maps at all", but that's contrary to navigation as practiced since the dawn of time. Given the ease of creating the maps, it makes infinitely more sense to have maps and better navigation than no maps and worse navigation.
How Do You Guys Deal with Spam Comments?
As The spamming is increased dramatically and WordPress is a one of the most targeted platform. If you have been using WordPress for a while, You might have noticed thousands of Spam Comments. Actually, I want to know How do you deal with Spam comments?
> it's still burning unrenewable fuel

Not if you use breeder reactors. The main reason those are not further along in development is precisely that nuclear fuel is currently cheap. As the cost of mining more fuel goes up, the economic advantage to using breeders increases.
Space Shuttle and Space Station Photographed Together
a decade ago when I still lived in the basin - I found 30 miles an hour bumper to bumper was a pretty normal commute - its better than seattle still :-P
So (and I ask naively) why not just publish? If vendors aren't good, give them 30 days and release?
In my PhD field (physics), there was a middle ground for most students.

Proposing a research project is a lot like pitching a product idea. If you bring your own money, or don't need any, then you can do whatever you want, including failing. If you need funding, space, collaboration, mentoring, whatever, then your pitch has to mesh with the interests with other people.

But even if given a project, it's not really a "project" in the sense of having a plan, budget, and timeline. Depending on the professor, the project may just be a vague concept, with no idea of how to carry it out. That was the case with my thesis project. I started with an inchoate idea, and ended up developing an experimental technique that opened up a new research program for my advisor.

There are professors who assign cookie cutter projects, and I think it's a disservice to their students.
The simple answer is not to run a blog on a platform that allows anonymous commenting. Apart from simple, that may also be the only answer.
Not the OP, but...

My car is 10 years old - 170k miles on it - I still get > 25mpg, and I calculate every fill-up. Long trips I get ~30mpg. Around town it's 26-28, depending on how much I use the AC and at what times I'm driving.

Could I be off in my fill-up estimations? Possibly some now and then, but it's been pretty consistent for the last several years.
I'm a fan of the Project Rho page on Nomograms which has detailed examples of nomograms for spaceflight: http://www.projectrho.com/nomogram/index.html

The site also had a bunch of interesting information on analog computing in the context of spaceflight:http://www.projectrho.com/public_html/rocket/astrodeck.php
This is interesting experimentation. However everything I see in 3D-printed houses seem very much built for the sake of being 3D-printer built. Technology in search of a problem to solve. And this is probably not far off the truth at this stage. Many people are also dismissive that see the productions and don't have enough imagination to see things possible here that are disruptive compared to what you do today.

Later years I have begun to see and appreciate the handcraft gone into masonry. The results are very decorative and the material used is very modular. You buy standard size bricks (but sometimes cut them). I would love to see 3d-printing include bricks in the process. And then advance them so much that the machines can build arches. This is just my idea. I think architects that are less interested in the 3D-printing technology and more interested in amazing architecture need to be involved and use it as a component in construction.
> They're built using fossil energy

Only because fossil energy is currently cheaper. If it were more expensive, you would see all kinds of construction starting to use electric-powered equipment that used non-fossil-fuel electricity.
Maybe you mean that a frequentist method assumes a certain model, for example normal. A frequentist method will sometimes give similar results to a Bayesian analysis that uses a non-informative prior. For example, if we want to estimate a value from repeated measurements with Gaussian noise the frequentist result is equivalent to the Bayesian result if a "flat" (improper) prior is used. [http://en.wikipedia.org/wiki/Jeffreys_prior#Gaussian_distrib...]
not for marketing per se, but to sell to understand what is it and why is it good. A lot of people know WPF and you could use the analogy.
Economics students learn about mathematical games and how to use resources; they also learn stats which it appears the author is completely ignorant of... Saying that being more aware makes us greedier is idiotic. We understand the rules better.

Correlation != Causation

I mean that. There is seriously no information here which can be formulated into any reasonable hypothesis. The links to most of the data are pay walled.

"Adam Grant" seems to have his doctorate in Psychology-- which doesn't surprise me given the complete lack of proof. Looking at his Wiki page it appears he doesn't have anything even related to statistical analysis. So I guess we'll be "feeling" this one out. Anecdotal evidence like this is why Economists, Math, and the hard sciences make fun of Psychology.

Economics is such a massive subject well beyond money and greed that I think this sort of hyperbolic headline only helps keeps the masses ignorance. Go to any modern school of Economics and you'll be quite surprised when you get to the "institutional section," for starters.

Enrollment is psychology is probably down, or he lost some funding. This is an article from an idiot/marketer/businessman.
Well you dropped buffets name first. I only shared Shiller's article because I was too lazy to type out the conditional probability.
Off the 10% of the people, who beat market handily?
If they all happen to be deep value investors.

Will you still conclude blackswan? Or would you start thinking Conditional probability
I think the context for this is important.

<pedantic> So, blind kids get amazing value from a power point slide presentation... </pedantic>

Ok, now accepting their argument is clearly wrong in general case. They might be talking about some vaguely defined average child. But, when you start looking at a wide range of things from vision to audio acuity you find people don't clump as much as you might think.

In the end it comes down to a cost / benefit analysis on supporting learning sytles vs a generic education. And in that context there are far better ways to spend your money.
You may not be losing wages, but you are losing time. I think that the 50% assumption in the model is wrong, too, but in the opposite direction. There are activities that many people can do while riding in a vehicle with no loss of quality, like reading.

Randy Pausch - Time Management
https://www.youtube.com/watch?v=oTugjssqOT0
I heartily recommend this short accessible article to anyone interested in loeb:

https://github.com/quchen/articles/blob/master/loeb-moeb.md
What part of archived medical data would put lives at risk? I mean, it sure as hell puts their privacy at risk, but can you describe what scenario you are imagining that puts lives at risk? Just because it has the word "medical" doesn't mean it's life or death (and this appears not to be).
Well one of the challenges of constantly tweaking the pricing model is my saas app doesn't have a high volume of clients say like a mobile app.

To your point about a 1,000 a month, competitors are charging less in the same space, but I don't think my clients are actively price shopping as they subscribe when they need it immediately.

There aren't many vendors that generate more than 100 though.
Criticism 9

The speed limitations and cost overages are not what Californians voted on. This is a bait and switch.
> People have taken to down voting things that they don't agree with, it's sad because it stops debate and contrary opinions.

Downvoting to express disagreement was explicitly sanctioned by pg back in February 2008.

https://news.ycombinator.com/item?id=117171
This is not a solution! We need a platform that meets with our needs, Though It can has lots of bugs and issues but It also has solutions, We just have to find that.

As I think :)
Good point, I didn't think about the value of being able to do other activities. Hard to quantify with a monetary value though!
That's not my experience. I have to use an Amex card for work to make IT purchases all the time and I'd say a good 25 to 30% of the places I try to use Amex at don't except it.
The Balance Matrix: My Answer to the “Work-Life Balance” Question
I think the part about the kilogram is missing the point -- it's not that a pure silicon crystal sphere is a better artifact to be the kilogram than the platinum-iridium cylinder. The idea is that they are defining a reproducible process to manufacture an object of known mass without reference to some artifact at all. They are proving by demonstration that anyone can manufacture such an object and then test it for chemical purity, perfection of crystal lattice, size, and sphericity. This allows you to form a counting argument based only on math and the physical laws of the universe that the produced object has within some small error exactly n silicon atoms in it, which will then be the definition of the mass unit (any sphere of n silicon atoms, not any particular one).
TLDR: Literally saying "take this money" to someone will grab their attention and let you cut lines.
So John Poffenbarger -- jpoff@definisec.com -- of definitive data security contacted the admin at ccsf.edu to attempt to get this guy fired.
> it was the Russians.

Exactly. Also, it happened in 1957, when nobody really knew a lot about how to reprocess properly--but unlike the Russians, everybody else recognized that and worked on getting it right.