skysight-inc/HackerNews huggingface dataset:
Leaky abstractions... nominally, this appears to be a triply-redundant system, but due to the way the systems interacted, a single faulty unit apparently overrode two units that were working correctly (or were at least responding safely to the situation.) I have not finished reading the report, and I am interested to know if it contained anything to address this apparent systems-engineering level issue, such as how likely it is that there are other potential breakdowns of redundancy.

I am not sure whether there is much that can be done in the way of pilot training and resolution procedures for this class of problem. Trying to figure out if a subsystem is faulty, and if so, which one, when they are interconnected by complex and frequently opaque rules, is not easy. I do not think that more information would help, given that the crew was already getting more diagnostic messages than they could handle in real time.
If every Twitter accusation and perceived injustice against Uber were investigated, there wouldn't be enough time in the day for anything else.

I had an Uber ride from a driver who accused Uber of paying a lower surge rate than what the passenger was paying. I assured him this wasn't the case but he insisted it. I told him exactly what I was paying, gave him my personal cell number and told him to call me if he collected less than this amount (less the Uber %). He never called me.

A lot of people have suspicions and conspiracy theories but Uber would not be in business if it did things like this. Most of the Uber employees believe strongly in what the company is doing, around the world, and exploiting women by charging them higher fees is not something we would tolerate. That's not how a sustainable company makes money.
Turbine engines are horribly inefficient at low altitudes and speeds. This engine is totally mismatched for its real application.
A few years ago, I started losing trust in Amazon as what was once a straight forward transaction began to look more and more like an algorithmic semi-scam. I would look for some item and the featured results would be 20% or more than the same item in some duplicated form.

For many years Amazon's business model was to generate revenue off of straight forward sales transactions. Today it has shifted to rents and extractions. Prime is perhaps a good first example. Using it complicates transactions and Amazon can arbitrage the eligibility and price of items to extract additional revenues on the fly.

However, textbooks are the prime of example of Amazon's new more extractive business practices. It's not just that Amazon wholeheartedly adopted the text book industry's obscene pricing models rather than disrupting them. Nor is it just that Amazon has extended the obscene pricing to rent out ebook versions of textbooks. No, the best expression of Amazon's newly found extractive business practices is in the availability and pricing of used older editions of textbooks on its platform. In the old days, Amazon was a steady source for fairly inexpensive obsolescent editions of current textbooks. Once Amazon seriously entered the textbook business, that seems to have changed and bargains available with deliberate search have disappeared.

There really was a change of mindset with Amazon Prime. It was a manifestation of a business cultural value that all customers are not equal as individuals. Maybe it is possible to position an ecommerce site as an upscale brand while still selling Schenzhen's spinners and iPhone cases and unlisted electronics of dubious safety for $0.01.

As I've lost trust in Amazon, I've started using Ebay for online purchases. Ebay is orders of magnitude more transparent. Transparency is a good way to create trust. It helps that Ebay's business model is not grossly misaligned with my wallet. It helps that the marker of trust is between buyer and seller rather than stars based on customer reviews. A seller with 10,000 transactions and 99% positive rating is a better indicator of an item's quality than 4 stars based on twenty reviews.
where is the evidence? OP didn't bother even posting a screenshot...
This is just part of the FUD war going between old and new (taxi companies vs uber; old media portraying youtubers as far right extremists over a silly one-liner joke, retarded left-wing politicians taking selfies sitting on the floor of a private company train with dozens of empty seats around).
best solution is not to get caught in the middle, but rather to sit down with a pack of peanuts and enjoy the show. the whole thing is actually really really funny as long as you now what it all is.
From their conclusions, I wonder if there is some kind of "use-it-or-lose-it" effect going on in the sample of older physicians, which does not affect the sample of younger physicians as severely due to their age. That is, the high volume physicians are kept sharp by the high patient workload regardless of age.

Authors' conclusions reproduced below:

"Within the same hospital, patients treated by older physicians had higher mortality than patients cared for by younger physicians, except those physicians treating high volumes of patients."
Except for the unfortunate fact that the only parts of the banking infrastructure that people actual care about in daily life are already accessible via smartphone and internet. Once again, this reduces to a solution in search of a problem.
This would be a pretty nerve-wracking position for an employee. Sometimes it takes a long time to hunt down a single-line change to the code to fix a bug.
Does the company's intent matter if a computer program breaks some civil rights laws?

I see lawyers with dreams of dollar signs over such as-yet-undetermined disputes.
This sounds a lot like Wolfram Alpha, although google does now provide some quantitative results. It works as a calculator and as a units translator for example.

that's a good point about only the first few results mattering.
I wonder what Safari's problem is?

It works just as well as Vue on my Android in Firefox, Chrome and even the Android Browser.
The solution seems simple, but gets massively complicated by history. I'm not willing to accept the "Africa was great and happy until Europeans came" theory, but that's - to the best of my knowledge - the most common belief on the African continent. And that leads to a "Europe is the source of all our evils, give us money and go away" mentality, which massively complications any attempt to stabilize the situation.

I'm not sure how to overcome this and I have to admit that at one point or the other I thought that the EU should simply stop providing any help to Africa and just make sure the problems don't swap over here, cause Europe will be blamed anyway - and being blamed for not helping is far cheaper than being blamed for helping. Most of the time, I just hope there's still a solution which doesn't end in a complete disaster.
I've not had much luck finding historical tuition data, but was able to get some Stanford data going back to 1920. Here is a graph of Stanford tuition from 1920 through 2011: http://i.imgur.com/fXnjDNn.png

The data from 1920 through 1990 was only for every ten years, then it becomes yearly after, which is why the first part of the graph has more straight segments. Note the tuition axis is on a log scale.

Comparing Stanford tuition growth by decade to inflation, here is how much Stanford tuition every 10 years was above the inflation adjusted tuition from 10 years earlier:

1930: 183%
1940: 41%
1950: 13%
1960: 22%
1970: 85%
1980: 27%
1990: 39%
2000: 29%
2010: 23%

From this, it appears that if government loans affected Stanford tuition that did not manifest as a long term change in the growth rate. It looks like the long term growth is about 30ish% a decade in reasonably "normal" times. If the loans affected the growth rate it seems to have mostly been confined to around the time the loans first became widely available. In other words, if the loans had an effect, it seems to have been more of a level shift than a growth rate shift.

I'd like to see similar data for other schools.
For $2 mil, you get a brand new plane with jet engine, modern cockpit for two pilots, and a parachute for the entire plane. I'd say that's revolutionary. No toilet? Is that such a big deal on small planes like this?
Are sure this is based on gender? Or just something that correlates to gender really closely?

Maybe the woman these tweets are from just use Uber more and so there also predicts they'd be willing to pay more. Or something like that.

Otoh, I wouldn't put it past Uber, but we only have a couple of data points here but even if we had a ton more, *my above hypothesis and actually discriminating by gender might be very hard to tell apart.
Regarding bathroom comments:

This seems to be a personal vehicle for very rich people. Most cars don't have bathrooms either.
I really like the new mobile navigation of the website.
How is this meaningfully different than Siacoin et al?
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Is there any other evidence of this? Based on this tweet + replies, there isn't sufficient evidence to say gender is the most likely cause of the price disparity. For example, it seems at least equally likely that the price disparity is due to individualized pricing, based on personal usage history, rather than some blanket gender discrimination.
Could be a "innocent" mistake. Analysis shows that customers in cluster A are willing to pay 20% more than customers in cluster B for a certain route, as determined by machine learning. Turns out "A" means probably female customer, at night...

I wonder if there are any safeguards in place against this. E.g. take samples of male/female, different ethnicities, etc. that you want to treat identically, and check if they pay the same on average... or put that somehow in the pricing algorithm as a constraint.

I'm sure a naive algorithm with a lot of inputs would, after optimization and without supervision, make single women in bad parts of the city at night pay more. It will probably find a lot more cases to take advantage of, like white (black) people in a neighbourhood where they are the minority and don't feel safe or comfortable. Or rides from places with high percieved crime rates (it wouldn't know the crime rates, it would just know people pay more for certain routes).
"Toxic" seems to be its moral equivalent, and it was also featured in this article. This word gets thrown out when someone wants to call some other group "evil", but the actual rationale invites too many parallels to be drawn to the accuser's own tribe.
i wish there was a setting for this. i really don't like the third party system on amazon.
I think it's interesting for discussion even if we don't seek to immediately condemn Uber for some wrongdoing.

If a computer breaks the law, and the company did not intend for that to happen, should the company be held liable? Should they be required to correct the program from infringing on civil rights, in this case, discriminating based on a protected class?
I recently read his newer book "Anti Fragile" and liked it a lot, generally good advice that as humans we can recognize if businesses and social institutions are robust to random events, while, we can not predict low probability events.

I agree though that he was somewhat disappointing in this video.
The full suite of banking services that are accessible to you (sending money to any person in any country, buying shares, investing in funds, mortgages, insurance, etc.) are accessible to fewer people than you might think. Most people from Africa, Asia and South America don't have access to such services. Access to a deposit account provided by their local phone company is just starting to become widespread (eg. MPesa).
Apple is a great example of a "luxury computer". Their machines are solid, have decent battery life and don't bother with gimmicks like touchscreens which bring ambiguity to the UI (tooltip shows when you hover, but you can't do that via the touchscreen, only by dragging a pointer through a trackpad - argh). Their most recent bold move was the touchbar, that brought in fingerprint scanning and set of soft keys (esc included) that vary according to the task you are trying to accomplish. The lack of a physical esc key doesn't bother me at all.
I think you have to be in some fairly specific companies to think this is normal.

Everywhere else you have a company email account and it's your principle way to have a paper trail.

"Not using email" is definitely a kids phase. Then you go work for a non-startup company and email is everything.

An ambitious startup idea would be oust Microsoft Outlook from this role - find a way to globally distribute the meeting room asset tracking stuff securely and seamlessly.
Our country isn't going to get better whether or not we continue to demonize these people, and I for one agree with the NYT that yes, they are evil.
I feel as if I see claims like this pretty regularly. But when they don't amount to anything, I never see followups about delusions of persecution.
> If every Twitter accusation and perceived injustice against Uber were investigated, there wouldn't be enough time in the day for anything else.

Perhaps having an opaque, complex pricing scheme isn't great for customer service or public perception of the company.
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People in Africa and Asia actually have access to better and more ubiquitous direct payment mechanisms that I do here in western Europe. Those systems happen to run through telcos and the phone networks, but they work well and are available to billions of people. These technologies get the job done and show that there is no need for blockchain tech in this arena. Please try again.
The question is - will parents buy their kids these things, and will they actively use them? I think the much more frequent case is that kids playing computer games stumble upon this command line thing and are really curious what's going on.
But even the very rich need to use the bathroom from time to time, and landing a jet is significantly more involved than stopping a car for a break.
One of my beliefs about startups is that the jump from side project to business shouldn't even seem that hard. It definitely shouldn't seem "frighteningly ambitious". Look at the origin stories of the big 5:

GOOG: we've got a search engine that we did as an academic project. Lots of people are using it. Let's turn it into a business.

FACE: we've got a social network that lots of college kids are using. Let's turn it into a business.

AMAZ: let's sell books over the internet.

AAPL: Hmmm, my crazy genius friend Woz built an awesome "personal computer" in his spare time. Let's scale up production and sell it.

MSFT: Let's scale up our software development business and go after much bigger targets.
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Honestly, I don't think windows is that bad of a system to hack on. Especially for kids, they're not going to be recompiling Linux, they're just going to download python and do "from turtle import *"
I'm currently managing projects on tech stacks I have no experience with. It's definitely a handicap but I can still do 90% of my job pretty effectively. I just felt on my team more.

One big thing I've learned is the manager should never take on big pieces of development. The other demands on your time mean that every task will take longer and you'll end up being a bottleneck.
It's a protocol to send messages between two addresses, an electronic analog of mail. I really don't see why it is supposed to be "actually a todo list".
> Companies running on WeChat, WhatsApp, and the ever popular Slack

Wow, all moving to proprietary, incompatible solutions. What an improvement kids are these days! It sounds like we are back in the 80s of computing. Thanks, I'll keep the email I can use virtually everywhere.
Assuming cruising at their "economy" speed, it's in the air for up to 5 hours.
You would be no worse off in this situation. Writing a formal spec. arguably makes it harder to overlook such issues. Formal verification is good at catching things like off-by-one errors, where the problem is not in the spec.
Sorry, not sure what's wrong with the link, you can go directly at: https://itunes.apple.com/us/app/easygit/id1228242832?mt=12

The price is $4.99
Most likely that is the reson for down votes. I don't mean that in a bad way. We are what we are - invasive parasites. Homo sapiens wiped every(thing|one) out: deus, erectus, habilis etc. Overpopulation is the real cause of most of serious problems and future endangerment of our species. The king is naked.
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> Kids these days don't bother with email.

Making predictions on what kids do is really, really bad. "hey my kid only cares about drinking and going out with friends", does not mean that he'll become a drunkard when they become adult.
> For example, it seems at least equally likely that the price disparity is due to individualized pricing, based on personal usage history, rather than some blanket gender discrimination.

I think the point is that individualized pricing could lead to discriminatory pricing without any intent by developers or the company.

For example, maybe women take that trip more often than men. Then, on an individual basis, a woman might be more likely to be charged more, because she uses that trip more often.

This would suggest that in the future, complex machine learning systems might need to have civil rights protections built in, if we want to maintain these protections.
I guess it varies by company, but my job is more about managing the team's exposure to outside forces. I work with product and client teams to make sure we're delivering the right solution and we're promising something achievable. That's at least half my job.
Ev Williams is trying to save the world with a blogging platform that is slightly better than blogger.

Meanwhile Elon Musk is over there being a selfish little bitch keeping all the cool toys to himself.
The title is irritating.

This is an interview with Milgrom, covering the man more than MOND.

But, dark matter isn't something to be denied. Because it isn't understood yet, to the point where we can doubt its existence.

We don't have all the answers yet, where denial rejects something as patently false.

But, "The man who has an alternative to Dark Matter", is a far less attractive title for those clicks.
Using it yourself isn't the same as instructing other people how to do it.

Using it for a personal domain is likely going to hurt your SEO. You can track behavior on the server side without JS just as easily without short URLs.
Don't reinvent email. Just add tags to indicate TODO fields in the email headers. Then youre building on the preexisting infrastructure. And it can handle the degenerate case where the TODO is to read, since it is email.
Perhaps, perhaps not. Uber seems determined to find out.
I'm not familiar with Google's particular implementation of these, but with the right value of the parameters, they are equivalent to local search. You could test with these parameters and see if the solution changes.

In the simplest implementation of Tabu Search, a maximum tabu list length of zero will never reject any candidates.

A simple simulated annealing should become a naive local search if the probability of rejecting a candidate solution is zero.

As far as which heuristic is better: I'd avoid premature optimization when solving optimization problems. Pick one, and if you're satisfied with the results, then go with it? Academics usually test their heuristics against benchmark problem instances with known optimal solutions (or if no optimal solution is known, best known upper bounds). That would be a bit more thorough.
A better search engine is a project that is near and dear to my heart. PG describes the problems with google as trying too hard to give you information you'll like (as opposed to information that is correct) and a loss of focus on the results.

I think a better search engine at least does the following:

1. Focuses on access to technical information. It doesn't need to have up-to-the-minute indexes of reddit, or hollywood whatever magazine. As an example, lets suppose I want to know how to design an HVAC system for a house. If I google "home HVAC design" I get a page full of HGTV installation videos and HVAC company brochures. One result had a single math equation, and a different result had a data table. If I "Better Search" for home HVAC design, I should get almost exclusively technical information, such as equipment lists, equations, and data tables.

2. Allow personalized scraping. If I want to extract math equations and data tables from all websites related to "home HVAC design" this should only take a few clicks. Give the user tools to OCR images from results, extract data from graphs, and import code snippets into their IDE.

3. Call out StackOverflow. Lots of times the answers to technical questions use information that is out of date, or cite solutions/workarounds from webpages that cease to exist. A better search engine would identify situations (not just on StackOverflow) where this happens and put warnings next to any results that make heavy use of dead websites or old information. A better search engine might automatically suggest cached versions of the now-broken links, or suggest that you resubmit the question to whatever community and ask for more up-to-date information.

What does all this do? Hopefully it dramatically changes the productivity of technically-minded people by making research easier.
Best (only) open source solution available seems to be pocketsphinx. On a quick try, it was awful.
Ouch. I have a site the generates images with ImageMagick based on user input. Guess I'm off to look for details.
"relief station” portable toilet that is available as an option “just in case of emergency,”

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Personally, I agree and we will have to wait and see what happens ultimately.

Amazon tried this a few years ago, and I believe they stopped doing this but I'm not sure. But if I knew or suspected that Amazon was trying to squeeze a few percent from me, it would make me less inclined to use them. I can't see how this isn't the case with Uber as well, if customers suspect they are being gouged. It would then open the doors for vast accusations like the twitter post.
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Tail recursion is a special case of tail calls that can be turned into loops. Their keyword is called tailrec, so it's probably not real TCO. Real tail call optimization can't easily be turned into loops in the general case.
Though I didn't, you deserve to be downvoted.

Tribalism and the "killing each other" thing is not unique to Africa. On the latter, Europeans have Africa beat. If you're an America, I'll suggest you make a study of your ancestors history.