skysight-inc/HackerNews huggingface dataset:
You can define alpha/beta in terms of the covariance of the Kalman filter. See my book (linked above) for the derivation (I call it a g-h filter, some literature uses alpha-beta, some g-h, they are the same thing). Eli Brookner in "Tracking and Kalman Filters Made Easy" uses a different but mathematically equivalent derivation to show the relationship.

There are at least a couple dozen of commonly used filters that can be understood as form of the alpha-beta filter. Some use constants for g/h, some vary them over time. The Kalman filter varies them on each epoch based on the covariance of the state and measurements. There are other schemes. The KF is optimal in the least squares sense when the noise is Gaussian and and the system obeys the Markov property.

Another way to look at these is to derive them from Bayes' theorem. You can derive both the alpha-beta filter and Kalman filter from Bayes' theorem. It's all the same family, just with different assumptions/knowledge about your process and measurement noise.
Why American Cops Kill So Many Compared to European Cops
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I just realized I can be uniquely identified due to my personal font choice being a custom font by capturing the calculated value of font-family. I suppose I can rename the font to "Arial" and delete Arial and replace it with my custom font and call "Arial" instead of the proper font name.

I wonder if that would actually break any programs that try and use Arial as the default font... hmm...
If You're Not Using a Cloud API, You're Doing Patent Analytics Wrong
Bee Bread is awesome and much more nutritious and digestible than flower pollen (mistakenly called bee pollen) which the bees ferment in their hive to make bee bread. The problem I've found is that anything coming from Lithuania or Latvia (a lot on ebay), could be radioactive from Chernobyl, as radioactivity concentrates in pollen. That's my assessment of it anyway, so I won't risk it. Also, there was another accident in Lithuania in 2010.

I'd prefer that Bee Bread became more mainstream so that it could be bought from local producers who'd respond to that demand. Bee bread from the Altai mountains in Siberia is double the price of the eastern European BB.

Ideally, BB from New Zealand would be best, but I couldn't find it. Eg Manuka.
Societal Pressure on Women is immense.

Societal Pressure on Women in the work place is immense.

Societal Pressure on Mothers is also immense.

They combine to make it exceptionally tough on Women. But mad props to those who have persevered despite that pressure--like my Mom and many other mothers out there.

> IME, the dads I know who stay home get more of an "awesome bro!"

If you are independently wealthy, sure. Otherwise, IME, you are considered a failure for not being able to provide for your family.
Feedback welcome on how can I make this more useful without adding anything on the server side ?
As long as democracy is a rule of majority nobody gives a %uck about those 10k-600k.
I'm not an artist, I came from a Computer Science background, and I still use Apple products. I don't think using Linux as a desktop environment is enjoyable. I don't get the Apple hate.
I agree, SJW is a pretty useless term. You're right. And I don't know much about string theory funding. I can only postulate.
Regarding short term vision, medical research funding has consequences on huge outlays of public resources outside of the short-term vision of research funding you mentioned. Maybe string theory has very close parallels, but for example when it was recommended everyone get interval colonoscopies at certain ages, hundred of millions of dollars of government money suddenly shifted to this purpose yearly for just one procedure (in this case a heavily vetted evidence backed decision). When, in contrast, attention is cast on politically popular issues with questionable research methods and publish-bait articles, it siphons funding away from less hot-topic issues that stagnate or die (for example, the defunding of even the best state psychiatric programs, which are popularly are associated with horror movies and don't get much too love by activists). The impact is immediate and severe outside of the world of researchers, and enormously politicized throughout the nation/media. I'd love to hear the string theory side of this though!
>he continues to leave useless posts complaining about articles he doesn't personally like

I just wanted to share that for a French speaker (not even for a native French speaker) the phrase "mise en abyme" is very familiar. So there is nothing about me personally not liking the article.
Are there any code available somewhere and is this Windows-only?
One Woman’s Journey from the Crowded Streets of Dhaka to Seattle’s Tech Boom
Is it half? That seems high, and some googling suggests more like 15% and that the US is roughly similar to Germany alone.
Sounds like the developer went broke. However, malls as physical assets tend to be resold in bankruptcy even if they get turned into office parks or something.

Do you have any actual examples of completed structures that sit abandoned without ever being used?
Is there some provision for the over-watering (rainy) scenario? I would be interested if this were accounted for...
I can totally see stress as a major factor. Just the thought of financing some or all of college is stressful. Given that most parents want their kids to experience college, I can see that weighing on the minds of many parents.
Good luck arguing the 'why' when you have a trained neural network and all you have is the network and weights.

On a more serious note, I love transparency but again, this is an overeager regulation (not surprising from the EU). You almost never get the true reasons for being rejected, be it in an interview or for a credit, etc. You have to figure that out yourself from the often very vague rejection letter. Our minds are basically running algorithms to which we have even less insight than our computer algorithms. Therefore, this law only hampers the flourishing of the economy while providing no value whatsoever.

Another law that 'solves' a non-issue, brought into being by overpaid career politicians.
There are many methods for different tasks. What do you mean by 'data extraction', do you have some specific examples?
Every time I experiment with a new e-mail client, I return fairly quickly to Mail.app.

I like Mail.app.

Maybe that's a personal deficiency.
On the operational/financial side, you have Granular. On the soil science / land data side, you've got AcreValue.

Disclosure: was/am the lead designer on both (leaving to do the #vanlife thing).
It could also be something like https://en.wikipedia.org/wiki/Allergen_immunotherapy#Oral
Two thoughts:

1. This is tough, because the value of a single data point ("my data") is pretty much zero. The value is in the aggregate. Of course, without any data points, the value of the data is then zero. So the sum of the value of the individual data points does not equal the value of the data as a whole.

2. There's value to you in my ability to sell you more things. Which sounds nonsensical, but hear me out. If I'm able to sell you, it means you see value in that product or service greater than its cost. I would not be able to create that value for you without your data. So it's a help-me-help-you situation.
Eugene Kaspersky isn't too fond of AV-Test.

https://eugene.kaspersky.com/2013/05/09/av-test-certificatio...
It happens everywhere. I'm based in Atlanta and we're primarily a Windows Desktop shop but our Marketing department is a bunch of Mac carrying hipsters with titles like "Director of User Experience" and "Mobile Experience Designer".
I own DK1, DK2, Vive and tried Rift CV1 at a Best Buy. Was not impressed by the tracking on the Rift CV1. Perhaps it was the demo or demo environment, but it didn't feel as smooth. It definitely 'cut out' a few times, albeit very briefly. Have you experienced that at home?
The Vive has only been out for 3 months, less than half the time the Virtual Boy was available for.
Well, if you lived in the City I might ask you for your address and if you like the place and the landlord, etc :D
Honestly did not expect this. Though at this point in time he's clearly outlived his usefulness as a Putin's PR toy, so maybe he can tweet whatever he wants now.
As I already said, your tone is annoying.

Your parent's arguments are very clearly presented (and perfectly sensible); there is no need to twist words to "prove" him wrong.

>> everything "Rockety" (audio rendering, video rendering, serialization, target following, collision detection, ...)

> Really? In what world do you live where Rockets render audio?

Please, stop putting words into others' mouths. Actually what you do is my understanding of straw mans.
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I think this is sadly a cultural thing. My wife comes from a culture that really values being a stay at home mom. She gave her career up to be at home full-time to raise our child and I've never seen her happier (but more tired :).

Our peers are for the most part American born and have a very different view. The moms obsess about missing out on their previous careers and living life as they did pre-children. They seem much less happy (as do their children).

In large parts of the world raising kids is "doing something with their lives", just not in the US.
Apple drops to 5th place in China's smartphone market
I think the idea that you aren't doing enough with your life if you are just raising kids is wrong. Educating kids is one of the most important jobs. They will grow up to be full human beings, so the positive effect you can have on the world through them can easily be greater than the positive contribution at a job.
This sounds interesting, any link to a second source on this?
I do think people have children for the wrong reasons, most of them selfish. Honestly I want kids so I have someone to play legos with, or whatever they want to do.
Elections and legislative bodies do not constitute democracy, in and of themselves.

Democracy requires, foremost, a strong civil society, the rule of law, and the protection of individual and minority rights.
Where did this "German cars sales to the UK mean they can start and win a trade war with EU" meme start? Are people really just blindly repeating UKIP talking points as if it was credible economic analysis?
Can We Eat Less Water?
India doesn't have enough electricity

There's something fundamentally broken about this statement, which suggests a deeper problem - why isn't the market for electricity working in India?
They could have just posted the bar chart and called it a day.

Why is it that when there is so little money out there for real research, there always seems to be plenty floating around for BS like this?
If they want to restrict access they can put up a paywall, otherwise they serve HTML. HTML is our contract not how a browser renders it.
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The stereotype (That predominantly black households in a poor area code are poorer then the predominantly white households in a rich area code) can be proven correct by simple demographics, and the fact that household wealth is correlated with credit score.

The problem is that there's a positive feedback loop at play, here.
Basic armchair psychology will tell you, nothing can make you happy. Your happiness is your own responsibility.

Not all parents may understand that having children may mean drastic changes to lifestyle, and may not have been prepared for the ~27 years of stress that having children bring on.

Oddly enough, having kids gives me a purpose in Society, that otherwise being a 36 year old man would not have. Too old to join the military, too young for end-of-life services, too set in my buying habits for marketing to care at all about me.

As the wise Stringer Bell once said, you're like a 40 degree day.

But being a dad, society is all about that: my lack of physique is called "dadbod" and women can profess to fetishize about it, my asanine advice to my kids are subject of a comedy twitter account, my no-more-give a dame attitude for fashion sense is celebrated, and I even have a national holiday to celebrate being a Dad--which gives me a legit excuse to do what I want to do (which for most dads involves cooking food on a grill for their families)
My friends with children after they've had a few drinks have all told my wife and I to not have children.

I know this is a small selection of college educated people with comfortable lifestyles, but when every single person I know discloses to me when they're in a truthful state that we're better off not having kids..it makes you think.
If you're worried that someone you know might be suicidal there's a free app (Apple and Google Play) that should be helpful.

It's for the UK, but most of the advice is transferable to other countries.

They're in the process of getting more academic review.

http://www.prevent-suicide.org.uk/stay_alive_suicide_prevent...
Why not drones or bluetooth devices to make the traffic stop interactions safe?
In the days where we can talk across the world in a matter of miliseconds, why can't we make the interaction at routine traffic stop easier?

In light of tragedies of police shootings, it is deplorable for the tech community to not think about simple, cheap solution to the interactions between citizen and police. It should be easy to exchange information with cops from safe distance about driving licence, vehicle registration, audio/video inside the car if permitted by driver, insurance information etc.

Please don't stop because it can't be monetized easily. May be municipalities would pay per transaction to get information remotely or drivers insurance would pay for the each safe exchange. I am sure insurance companies, citizens themselves and municipalities are interested in making routine traffic stop safe.

Can we do this please?
I'm really into the whole retro '50s-60s retro suburban thing. My kids walk out the back door and play in the sandbox while I do the breakfast dishes. Most of the time they're playing with neighbors' kids because the lawns all run together in back. You can't tell me the park is just as good -- it's a couple of blocks away, and I can't watch the kids out the kitchen window. My back lawn gives a huge boost to my quality of life, and my kids'.
There is definitely a pressure to lie and say everything about kids is great all of the time; that is clearly not the case.

I would say that "small" happiness is less due to the huge amount of work and stress. On the flip side "large" happiness (or fulfillment) is higher. Whether that makes sense is a very personal decision.

I'm also very early in the journey. I have no idea how it will turn out in 15 years. I am happy that I'll have someone to hand things down to. I'm also happy some of my genes will survive even if all other evidence I existed disappears.
Self-Driving Car, Who lives and who dies?
That's not democracy.
How about the code apparently marked for deletion? https://github.com/chrislgarry/Apollo-11/blob/dc4ea6735c4646...

I've often wondered many things about the cleanliness, maintainability and style of such code (this particular system, in fact). It's fun to be able to actually poke through it.
I think there is a fair bit of "how to lie with graphs" here going on. For instance, the 'housing construction boom' very carefully does not show any context before 2014, and although it rockets up from the bottom left of the graph to the top right, that's only a delta of 25%, because the bottom is not zero. It also doesn't show how many housing units ever make it /out/ of the pipeline -- a perennial issue in San Francisco.

It also seems to declare that employment is the only source of housing occupancy. This is less true if you consider, for instance, real estate speculators (and with China's economy as well as it is and is expected to be, I don't foresee that slowing down), and also if you consider the new short-term rental market.

So, maybe the housing bubble will collapse. But I'm not convinced that either of those forces are as powerful as the author claims, and the author doesn't really give any text considering and dismissing other known forces, so you can consider me unconvinced by this article alone.
It's 4. Biological neurons are much more complex than they appear: they're sensitive to many, many different chemical signals, they have internal structure that's non-trivial, and they can have not just excitatory/inhibitory outputs, but modulatory as well. It's hard to know how to even start extracting subcomponents.
At least with food they are regulated and all parties in the chain will be investigated and held responsible for damages.
> Leaving decisions to machines embeds an assumption that all information related a decision can (and has been) encoded in a machine-interpretable manner.

Im not assuming that at all. Even with less information , algorithms generally outperform humans. E.g. a hiring algorithm accurately predict job performance from just info on an application, while someone who actually interviews them is barely better than chance. I'm on mobile right now, but I have some links to a lot of research like this, when just one or two simple features is enough to beat human experts.

> Sure, these kinds of things can be encoded into numbers, but should they be? What does it mean to encode remorse into e.g. a 7-valued point system? How much does that depend on the person entering the number, who must judge this, or should it be detected automatically using sensors? Should we be modifying sentences according to an offender's level of galvanic skin response?

First of all, the optimal way to do it would be to have the human give a recommendation, then have the algorithm use that as a feature. So it can take human input into account, but also improve on it.

Second, encoding subjective things as real values just lays bare the silliness of it. A human factoring this things in his head is not magically more objective or less biased. Trying to rate subjective features can sometimes improve performance for humans too, since it makes them actually think about it consciously .

> A computer might see that black people are much more likely to commit crime, because hey, more black people are in jail, and therefore judge that the black person was more likely to be the criminal, given a choice. But is this the correct way to think?

But I'm not talking about predicting if someone is a criminal . I'm taking about things like loan defaults and health risk. Here the company has pretty objective ground truth. If women really are less likely to get into car accidents, then it's just a fact. Theres no hidden bias here.
Interesting. The title is a little misleading compared to the content of the article. I was expecting to see something in the line of "interstellar travel is impossible", but it ended up being "it's the next thing after humans who will achieve it, not human themselves".
Democracy in Russia apparently didn't work, as in failed to preserve itself.

You can think of democracy as of a good thing or a bad thing, but either way it's not a thing that universally wins, once introduced.

We should notice that democracy had failed to preserve itself in the past in many European countries, notably Italy (1920s), Germany (1930s), Greece (1970s), to say nothing of Latin America. Most of the time it was later restored, one way or another.
BB can be found on supermarket shelves and organic food shops all over CH. one can also order online for e.g. www.swiss-pollen.ch
The paper abstract is quite clear: "parents report lower marital satisfaction compared with nonparents".

Now whether you want to argue about marital satisfaction being a good proxy for happiness, which is a loosey-goosey term, is another question.
Why don't they use $500 Phantom drone to ask for identification and look inside the car?
It's cheap and it would keep police, individual person serving as a cop, out of harms way on first interaction. It would give everybody a chance to breathe and take it easy. The cops could have a clear vision of the vehicle's interior much better than they can get through their own eyes. No risk of officer getting physically harmed. If the risk of officer getting harmed is removed then routine traffic stops would again turn routine instead of posing a risk of the citizen being shot down just because office considered an act by the citizen as threatening.
The drone can record audio/video of interaction. The drone can carry out certain tasks by itself like reading rights. The drone can act as two way communication between the people in the vehicle and the officer in the police car that stays back at a safe distance. It can drop a walkie talkie in the car or just extend a microphone inside the car for them to talk to one another. It can quickly scan the driver's license, registration and insurance information back to the police car. It can match the driver's license with the face of the driver. It can drop handcuffs inside the car and verify visually that citizen did put the handcuffs on the hands. It can give instructions to the citizen about laying on the floor in a non threatening manner before the police comes near. It can metal-scan the citizen for presence of firearms or knife before the police comes near. It can phone the responsible person for the citizen, wife, mother, father, husband, siblings or friend who can talk to the citizen as the citizen goes through the more tougher part of arrests.
The drone can be parked behind the lights on top the car and charged when not in use. It would know to phone home with its location. It would know how to fly back to the top of the car, park itself and lock itself to the car.
Attacking the police drone would be considered attack on the cops, drone being extension of the cop. It would be punishable crime to attack the police drone.
This can be done. Nothing said above is outside the realm of existing technology.
Google, Phantom - please do this. $1000 per police car in America is not a lot of expense. It would make lives better for citizens and safer for policemen.
Why not have a bluetooth device, inside citizen's car, with your registration, identification, insurance, medical, information that cops can request access to from their car. The cops can then remotely pull information from this device in your car from safety of their car. The bluetooth device could have a camera that cops can request access to and see audio/video inside the car. This will be much much cheaper option. Bluetooth 4.0 LE is easily within reach on safely parked cop car. Car manufacturers can build this, it can be after market addition. $40 device per car can make things a whole lot smooth and safe at routine stops.
Thanks for writing this, I learned a lot! Last weekend I started a peer-to-peer group video calling project. Seeing your whole approach made the entire system easier to understand.
Apparently opticians can spot an engineer a mile off because they think of the eye as a simple lens system.

It's not.
SF is actually bigger—

San Francisco: 46.9 square miles

Manhattan: 22.8 square miles

SF is a lot less tall than Manhattan all around too.

Did I mention that SF is hilly?
This might be it. Very interesting!!
4 Reasons Why Accepting Multiple Payment Options Will Grow Your Business