skysight-inc/HackerNews huggingface dataset:
I havn’t been following this story really closely today, but here is my two sense (albeit outdated):

In the research I was working on, there were two types of deception/lies: high stakes (aka suicide bomber or shoe bomber) and low states (you have a pound of cocaine strapped to your leg). If you want to build a lie detector on facial data, you need consider things like

1. It is important to have a robust data set that contains lots of example of both for training and cross-validation

2. False positives can be very expensive (because you start pulling people aside, lines build up, people get pissed, etc)

The project I worked on was trying to solve a specific problem: replace Behavior detection officers [1]: These are people that sit inconspicuously at the TSA checkpoints and decide who gets to get pulled aside for further screening and who goes through (I do know anything else about what they do and where they are, numbers etc.) Their training is advanced, laborious, and expensive for TSA. They are, of course, trying to catch terrorists (aka the high stakes lies) but in reality they are dealing with the low stakes lies. The only terrorist I can think of since 9/11 that got close to taking down a plane was Richard Reid, and they missed him so they seem to be 0/1 in high states lies).

Anyways, the problem with building their replacement is we do not have a lot of good examples of high stakes lies in video data. There are some (Scott Peterson, etc) but not enough. Also, the models they were built off of were "micro-expression" [2] detectors, and micro-expressions show up differently across cultures (maybe the consensus has changed since I was modeling this stuff) . So, in short, the project I was on failed because the data sucked and even if we did build a model, it was overfit to the data we trained it on. I am not sure how deep learning and more advanced GPUs would solve that. Maybe they found better data, but I would be skeptical. I honestly would be surprised if they actually did much better than random (ROC > .5)

Sorry for the rambling - end of the day for me on the east coast.

[1] https://www.tsa.gov/news/testimony/2013/11/14/tsa-behavior-d...

[2] https://en.wikipedia.org/wiki/Microexpression
I’m running on the assumption that an airline only ever sells a paid ticket for at least its operational costs of that extra pax.

The 1 cent paid ticket simply doesn’t (or shouldn’t) exist.

But if the plane crashes, even the $2k last-minute 1st-class short-haul ticket will be a massive loss after all lawsuits are settled.

If the marginal expense of a seat is $200, and you paid $1000, you may sit next to a discount flyer that paid only $250. And because of that, the flight may be net-profitable instead of net-loss.
I thought Apple was going to crumble because they no longer considered the needs of developers? /s
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> the real question is how was the jug filled up

This is often the case in problems of this sort: "probability" is not really well-defined until you have specified how a particular system was prepared.
Can you please not use uppercase for emphasis? This is in the site guidelines: https://news.ycombinator.com/newsguidelines.html.
Apple is a very different company to what it was back then. They only had one revenue source i.e. Mac which was struggling to compete with Microsoft.

Today we have Apple with diversified Mac, iPhone, iPad, Watch and Services businesses. And soon to add Glasses and Car if predictions come true.
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Agreed.

I've written a lighting system exactly like this one (it's a very common 2d lighting concept, basically any sprite-based game with dynamic lightning will use exactly this). The only difference was that I used 24 light-direction frames instead of 4 frames because I was pre-rendering 3d models to 2d sprites, so I didn't have to have an artist draw each frame but could just export any level of precision, limited not by the artist but by filesize/memory.

The calculations he's talking about are as simple as it gets and were never really a problem for me even on low-end machines. (I was building a top-down space rpg, basically any of the 100 plasma discharges, engine exhausts, particles etc was a dynamic source of light)
this is rather inspiring. humble beginnings, mountains moved.
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That's literally the entire business model...
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I always considered RFDTv to be Dish's original programming... =)
> billions in penalties

And yet, Facebook is still solvent, because surprise, surprise, the non-self regulation isn't happening.

Self regulation is all that's left, and it is, not surprisingly, ineffective.
Theyre already on it https://www.keepmyhbo.com/
Mac and iPhone prices will always be about perceived value. Unfortunately they don't have enough competition to drive prices down and they will take advantage of that for as long as they can.

Some tried from different angles but it seems people just don't feel confident enough to leave the ecosystem. Google keeps pushing sub-par phones. No one has delivered a robust face recognition tech as good as Face ID. Screen and camera quality are almost there but never better in a distinctive manner.

In fact, no one is trying to compete with Apple anymore. Android manufacturers abandoned the high-end market. The tablet and smartwatch markets are pretty much dominated by iPad and Apple Watch.

And as the service category expansion shows, people are getting comfortable with the idea of paying a monthly price for good tech. If competition eventually becomes a problem, they can just start bundling things up like Amazon does: iPhone Upgrade Plan + Apple Music + Cloud Storage + Apple Care + (eventual) TV content.
That's what hbo wants see https://www.keepmyhbo.com/
>The whole point of having an injection framework is that you should not have to understand the whole framework or the implementation to use it.

No, the whole point is to prove an abstraction around dependency management. All abstractions leak and for any non-trivial application you _will_ run into a scenario which forced you to learn how your abstraction works. Black magic stinks.
No, they are not. When customers set up a phone Apple presents clear choices about the use of Location Services, Siri, etc., and various types of tracking can be easily turned on or off at any time in the settings. Most people opt in to some amount of tracking, e.g. for getting map directions, and using the internet inherently involves sending data around, but they are all optional. Applications must explicitly request customer permission at runtime to track location, look at contact info, etc., and Apple takes action against apps which collect customer information without authorization or abuse it.

Both first-party location/data tracking by Google, and underhanded tracking by third-party apps on Android are pervasive, and more difficult to keep tabs on / opt out of.

Of course, the main people tracking your every move with any phone are the phone company, anyone the phone company is selling or providing your data to, and anyone operating a device which can trick your cell modem into connecting to it (“stingrays”).
Are you imagining fuel usage is independent of aircraft occupancy?
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This is what Android has done since biometric auth support was added.
It probably means you're not the target audience.
>airlines routinely fly planes that aren't full, instead of going to extreme lengths to auction off ever-cheaper tickets in hopes of getting someone in every seat on every flight.

Though I agree with your broader point, if airlines regularly auctioned off seats right before a flight it would encourage customers to wait until such time to make their ticket purchase. Even if the actioned seat still net them some profit, the overall effect could cause a psychological devaluation of regular tickets.
They are on the 3rd generation keyboards now. They are fixed in the sense that they don't break as easily nor are affected by dust etc like previous generations.

But if you didn't sort of like the 1st generation I don't think you will like the 3rd, 4th, 5th etc.
I have a Dell XPS dev edition that I tinker with, installing various linux distros and trying stuff and breaking it and fixing it. I do it because it's fun.

My phone has to be 100% rock-solid. I do lots of actual important stuff on it.

I'm never switching to Android, because it's a gamble. Which model? How long will it be supported? Is it vanilla Android, or did they break it with custom shit-ware? Will they ever fix security holes?

The "wall of sheep" at Blackhat is mostly Android phones too.
Except that airlines still get the bulk of their revenue from economy class. The average margin may be higher per business/1st class ticket but the bulk of total sales and profit comes from economy.

The airlines' discriminatory marketing actions are buffeted by disparate nature of their customer base (a group of strangers who'll typically never meet again after sharing a flight) as travellers don't have enough interest in and means of organizing. Otherwise, if economy class customers boycotted en masse, that airline would suffer more than if a handful of 1st class fliers did. United Airlines' scrambling after the Dr Dao debacle was driven by desire to stem the potential financial loss, not just PR crisis.
To make the number as big as we can, we can use pennies. $700M/day = $8101/s = 810,100 pennies @ 2.5g per = 2025kg or 2 metric tons of pennies per second. I honestly have no idea how many pennies a person can rake per second. Pennies are pretty small, so maybe a few thousand at a time with a special rake? I'm imagining that you would have to rake these pennies 100 meters at about 1 meter per second (average walking speed 1.4 - having to rake pennies), so we would have to be raking at any given time 100 seconds worth of pennies (=81M). If a given person can rake a few thousand at a time, then that's about 40,000 people, approximately a small city
Typically, the recruiter asks me to do a simple challenge in e.g. a google doc. I'm then strongly pressured to do it in one of their preferred languages, or if I do it in Ruby, I have to explain all of the syntax and it takes a lot of time and mental focus away from the actual task.

For instance, in a recent interview, I couldn't remember the substr() function in Javascript, which Google insisted I do the challenge in. Instead I wound up using the ruby [range] operator and explaining ranges and what that operator meant.

To Google's credit and my moderate surprise, I passed that round of the interview. But I have definitely had interviews where the result is a mash of languages that nobody can really understand. Or they let me do it in ruby and I have to explain every line of the syntax (for instance, how ruby does iteration).

There have also definitely been times where they flat out told me that they want a specific language and I should contact them again when I've gotten skill in it.

Alternately, if languages don't match, they'll focus the interview on a skill that they need for whatever position, but for which I only have limited expertise. Take SQL. I know what indexes are, I can open a console to identify long running queries, but I mostly work with it through an ORM. But if they hear I have some SQL experience they'll decide to grill me on details of how Postgres handles things like logging and persistence and maintaining multiple versions of rows in memory and what are tuples and so on.

I'm not a DBA and will do only mediocre in such interviews. I always mix up the different types of joins, because I hardly ever write join queries and usually look it up when I need it.

I'm fairly certain they'd have given me Java questions if I knew Java, but the thing I had experience in that the recruiter knew was SQL.
You can be negatively impacted if you do not have an account, even if you do not read tweets at all.
> with little to no downside

The cockroaches are a downside, as are the bottle deposit machines running (and crunching glass) at all hours, but you're mostly right.
The problem is... how do I actually fix this? I have considered therapy before, however, I find it particularly hard to pick a given therapist/approach. Do you have any recommendation?
I appreciate your response, and forgive me for asking the same question, but do you have a more tangible example? I'm particularly interested in understanding more by seeing something like the disaster SQL for traversing hierarchies and comparing it to an RDF implementation.
TI has a nice product search. E.g.: http://www.ti.com/audio-ic/amplifiers/speaker-amplifiers/pro...
You mean it's gone much farther than this? Would you have any examples?
How about a brain coat?

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No,and you can't sell a patent 20 times and still own it.

You can rent your house out an AirBnB 20 times while still living in it, and you can non-exclusively license your patent 20 times.
As others, I 100% agree with this and it's what I've also been focusing on as a manager.

Someone told me: Once you have 10 people on your team, if you spend 100% time coding, you increase amount of coding by 10%.

Instead, either spend time finding that next hire (increase by 10%), or work on other things that improves the team's productivity even more.

For me, the hard part is when the team size is ~5-8 people. Too big for me to be 80% technical, but usually not quite such that managing is 80% either. This is when it's easy to sign up for critical tasks and get interrupted due to manager stuff, and as a result work 160% total. Once the team grows it usually gets easier.
What if the facts can be independently verified ?(existence of material proof or witnesses etc)

I imagine the right process would be to receive a claim and investigate it. The initial report doesn’t need to pinned to a specific employee, and it can even be a bystander that way. If enough evidence rise from the investigation, outing the reporter doesn’t bring much to the table.

You’re right that it’s more tricky when it’s a “he says she says” situation, those would warrant more direct confrontation I guess ?
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The website suggests that only the data science role offers remote; is that the case?
Currently I'm in totally "guilty" of #1, but it feels fine and I don't care if it's not the best way to launch something. I want to sell t-shirts online. What kind of research do I need? It's a proven model, people buy t-shirts and other merch online, so the only thing I need is to build it, design it before selling. I just want to build a side project that pays the bills, not going after to outplace major players.

#2 is interesting, I will do this by first selling to friends and talking to them in person to collect enough feedback to do an iteration on the product. I do agree that listening is key.

#3 The ideal situation for you is to have as many signed, legally binding customer contracts as possible

Meh, this is for one specific type of business, there's tons of business models that this doesn't apply to. If the product can collect money from day one, then you won't have the problem of mistaking interest for demand. What's even better is to turn people who are just interested into your advocates.
The typical client of telecoms, insurance and banks probably does not change much. So ones signed up, it does not make sense to spend money on them. Airlines might be different because each flight is bought separately. You want ff to keep coming back (to stay ff).
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Things are much more complicated than that.

Ticket prices are often high shortly before a flight.

That's because those tickets are usually bought by business travelers who don't want to wait and are willing to pay the higher fare.

So it can make sense to have 5 empty seats if you sold a few more for a premium.

There's a lot of math going into optimizing ticket prices.
Ugh, with the stupid online checkin asap to get the lining up order, I prefer United Basic Economy over Southwest. I even prefer Ryanair over Southwest.
I was on the same boat, went back to senior dev but found myself missing the leadership side of the job (improve engineering process, cross team architecture etc) so I'm moving to principal SWE which seems to be the sweet spot in my current company.
For one thing, there could be many distinct quantum states which correspond to the same water/wine ratio, so uniformly-distributed quantum states might not correspond to uniformly-distributed concentrations.

But more fundamentally, it seems a stretch to apply these quantum mechanical assumptions. One could interpret the question as "in all possible real-world scenarios in which such a test might be performed, how often would the concentration be in this range?" ... in which case one could consider all realistic models for how the mixture might have been created, and the likelihood of each of those actually being the case, and consider more and more things coming up with a more complete answer ... but one would never have a correct answer without actually stating some additional assumptions.
I'm surprised at how many other responses here are saying "because the police don't have the resources to investigate" and similar.

This reply gets to the more fundamental point: companies are doing a different thing than police investigations or even civil suits over harassment. They can't undo the harassment, they can't punish the harasser (beyond termination with cause), or force the harasser to compensate their victim.

Rather, the goal is to create a workplace where employees are not harassed. This is good for both legal reasons (hostile work environment suits) and obvious moral (harassment is bad) and practical (people will quit) reasons.

If a coworker mocked or punched me every day at work, it might or might not produce a complaint to the police or a civil suit against the coworker. But it would certainly be something that made my employment untenable and a reasonable employer would react to that. People are in general not demanding that employers act in place of the police, they're demanding that they act to stop sex-related hostility at least as thoroughly as they would act against other hostility. It's the purview of the company because it's a completely different task than what courts or police would do.
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Yes absolutely. Why do you think there's so many tech support fraud? Why do you think Geek Squad is a thing?
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The problem here, in this naive view, is how you define an "investigation." The moment that "investigation" goes public around the topic of sexual harassment (or worse), the accused is done. That's the real world. I've seen it, several times over. That's important. You shouldn't have the power to significantly wreck someone's life by just making an accusation. There needs to be as much protection for the accused as there is for the accuser.
Most (all?) Northern European countries strive hard to achieve that fairness and are reasonably successful in doing so.
Turns out that last 10% is where the majority of value is created.
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The DeVaul guy from Division X actually made sexual advances towards someone being interviewed for a job where he'd have been the manager. Has called it "an error in judgement".

I'm sorry, DeVaul, but that's not "an error in judgement", that is pure harassment, and I'd pay $2000 to watch you try your "moves" on someone who'd knock your teeth in for that.
I first tried it in late '96.

Followed the instructions, got it installed on a spare machine at work, rebooted and it was working! Logged in and tried some command (I think it was "dir")

I got back "bash: dir: command not found" (although I recall it as "syntax error" so my memory is fuzzy)

I was taken aback. Did I really make such a huge mistake that the operating system wanted to bash me?
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It glitches out for me when I tab between browser tabs, but that's the only technical issues. I stay for the content.
I was under the impression that the point of asteroid mining was to build stuff in space using material already in space.
The way to change the law is by starting the movement in the company. I'm sure people will talk about not allowing forced arbitration by the law after this movement.