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Ask HN: Weak+Strong Encryption
tl;dr: We should encrypt everything weakly, then strongly.

Data security, and by extension data collection by law enforcement agencies, is an economics problem. The old compromise has broken: phone taps and physical surveillance have very high human costs limiting their use. With the advent of Digital we have created a bifurcated system of impossibly weak or impossibly strong data security. We are simultaneously always at risk of data exposure through code errors, and yet also have various officials demanding key escrow and backdoors due to impossibly strong crypto.

I propose another way: Weak+Strong encryption. In this method, "weak" is defined as "key can be found with an average of $10,000 AWS compute time", and "strong" is "best available data security". We encrypt all user data with a user-generated weak key, and then encrypt again with a provider-generated strong key.

In this scenario, every user of a service has their personal crypto key, unknown to the service provider. All data is further strongly encrypted at rest by the provider.
* In the event of database breach, no information is compromised.
* The service provider can decrypt the first layer, but still cannot examine user information without significant effort (cost), or user cooperation.
* In the event of demands from a Three Letter Agency, the service provider similarly has the ability to strip away the strong encryption, and the agency can easily afford to break the key of one user and gather evidence. However the economics of the weak keys prevent mass decryption. Only a few targeted individuals could be cost-effectively exposed. Even government departments have budgets to keep.

Weak+Strong may provide a good compromise between the needs of the user and the needs of law enforcement. As an added bonus, then we could stop arguing with senators about the mathematical impossibility of secure backdoors.

Anyone doing this already? Thoughts?
How mature is GE? Who's using it in production?
There is also a free and open-source app called ImageOptim [1].

I believe ImageOptim is older than Optimage but they seem to work the same way.

They also offer a paid web API service with a similar price [2].

Posting just as an alternative, the more the better.

[1] https://imageoptim.com/mac

[2] https://imageoptim.com/api/pricing
Do cosmic rays that reach the surface leave any traces or make any changes that persist over geological timescales and can be dated, so that we can see how they have changed over very long times?
We need to start a colony on Mars as backup
Ask HN: How long to post in Show HN?
I'm a newbie to hacker newsletter.
I would like to post on Submit to show the product I've been working on till now and receive feedback, but when I tried uploading it, it said I'm too new to post on that section.

Is there a particular time frame of when I'll be able to upload on Show HN?
This is probably the one big upside to our system being glacial. I am glad Obama couldn't do more than he did, and the damage Trump could do with less controls is terrifying.
Cantonese, Hokkien, and Mandarin are not at all mutually intelligible. Mandarin speakers can't even read Hong Kong newspapers fluently.

Only Mandarin and Cantonese even have a fully developed way of writing with characters. Up until relatively recently Mandarin itself was considered a spoken language, until a written standard (ie correspondence of characters with the words people actually spoke) was developed. Hokkien is in the process of this now in Taiwan, they literally have a government department choosing characters for words (They started off with 900 or something, not sure where they are up to now).
This is cool. You should consider expanding this to other communities besides HN if it works here. I’m a marketer and this would likely be received well in marketing communities I’m a part of.
Any reason why most sensors couldn't be handled by generic HID drivers which even have dedicated VR page?
Kauai is majestic. The island feels like 90%+ nature - I fell in love with there being that much greenery. My girlfriends parents live at Anini. If you paddle board the reef instead of snorkeling the sea turtles come out.

To visit, end of the road is worth driving as you see various parts of Kauai.
Yes, that's included in what I said. Facebook already decides which posts it will actually show you from the feeds you have explicitly subscribed to. Do you really believe they don't do the same for ads?

You are not their customer; your interests matter only to the extent they provide more data points advertisers can target.
Please go and see a Psychologist.
The NY Python meetup is pretty good if you're in to Python.
I'm waiting for the relatively more reasonably priced Nokia 7 plus (or another Nokia model with AndroidOne.)
To begin with, that should not be a matter of zoning, but of a sanitary code.

Want to build one? Also buy the land to have a minimum distance in between it and the nearest residential.

In contrast to that, a system fully reliant on "expert" opinion to do zoning, can allow for that if that expert thinks that this is a smart thing to do so.
As a developer who should probably pay more attention to this than I do, can you recommend some reading material about how to make an app accessible, and how to make sure it stays accessible (i.e. is there a good way to CI test this?).
Considering that certificate pinning protects hacked user devices from making insecure communications, it would completely defeat the point if the user could disable it.
> I'm having trouble trying to reconcile these two seemingly opposing viewpoints.

I mean this with all respect... but why? You're talking about different opinions expressed by completely different people. HN isn't a monolith.
Oddly enough I don't think people who have 'found' themselves necessarily have found some genuine self. Rather they've found something permanent and stable to latch onto. Given OPs thoughts about media/advertising these days, it could be said that we don't get enough permanent stuff to fashion an identity out of in mainstream culture. Part of the MO of advertising is always changing and building a need up for products. That implies a heightened impermanence to our mainstream culture.
Totally cool, but not unlikely. With the sheer volume of high-end cameras and photographers using burst mode, this will certainly happen time and time again. It’s likely that this happens several times most days.

Some simple math: one camera was taking a photo every 143 milliseconds (roughly) and the other every 196 milliseconds (roughly). If both sit in burst mode continuously, I would expect these cameras to share the same millisecond (meaning each photograph took place within 1 millisecond of the other) every 28,000 milliseconds (roughly) or every 28 seconds.

I’d also argue that the details of this ‘unplanned’ event increased the likelihood that two photographers would select the same photo out of a series of bursts - didn’t the author say only about 3 images came out nice? Well, I imagine the other photographer had the same experience.
I have long felt that death certificates are done completely wrong. Instead of just listing the proximate medical cause, they should list the true cause: he died of loneliness; he died of a broken heart; he died because he was homeless and couldn't find his way to the help he needed.

When those are the causes of death that we start to track, perhaps the world will become a better place.
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Actually, that's exactly what they're claiming to refute:

> A small number of papers had indicated that humans also possessed this capability, specifically in an interior region of the brain known as the hippocampus, which is associated with memory.

> A team from UC San Francisco had hoped to see evidence of this neurogenesis in action.

> Team members examined brain tissue samples collected from 59 human subjects who ranged in age from a 14-week-old fetus to a 77-year-old man. But they couldn't find what they were looking for.
https://www.youtube.com/watch?v=rLDgQg6bq7o
One thing you’re missing once again is that the development of nukes has so far been a net positive. MAD pretty much excludes the possibility that major powers will ever be at war with each other again. Potentially hundreds of millions of people got to live their lives in full rather than be mowed down by conventional weapons in an all out war of attrition.
Sinclair's new media-bashing promos rankle local anchors
We did in the past, and lots of AdTech companies currently do. In fact Oracle is one of the biggest users because they acquired BlueKai, and AppNexus is probably their oldest customer.

It's an interesting database that has some strange quirks and is primarily good at a narrow use-case of fast key/value and low-latency on SSDs. It's grown since then but there are better options now like ScyllaDB, Redis Enterprise, Apache Ignite, MemSQL, etc. depending on scenario. I'm not sure there's a situation I would choose Aerospike for anymore.
The OpenGL state machine is a giant set of hidden global data structures that you manipulate through opaque API calls. It's not very friendly, IMO. My hope is that with stable low-level APIs available, we can build new high-level APIs on top.

Historically, it's been a slow process to move to a newer graphics API, because you need to wait for all the hardware venders to implement it. Building that high-level API in userland means that basic quality-of-life improvements don't have to wait for hardware vendors to write new drivers.
If you can read Chinese, the Chinese versions of wikipedia page on Mandarin Chinese has a lot more detail on its origination: https://zh.wikipedia.org/wiki/普通话

If you cannot, I found an English article for you: http://www.alittledynasty.com/history-of-mandarin-chinese.ht...

To summarize, Mandarin is not created out of nothing for sure, but the concept of "Mandarin Chinese" (or rather, Standard Chinese) started with an effort of newly established Republic of China in 1913, to develop a standard phonetic system and to use as the national language in China. They later published the standard around 1920s, which is essentially a modified version of phonetic system used in Beijing. The dialect now spoken in Beijing is very close to Mandarin, but not exactly the same.

I grew up in China and lived in Singapore for a long time. I can tell you for sure, that the different dialects spoken by Chinese should not be confused with completely different languages. First of all they share the same writing system, the words and syntax we use in various dialects are mostly the same. (Some dialects use a few words differently from others, but that's not surprising at all considering UK english and US english are not exactly the same)

I speak a southern dialect myself which sounds very different from Mandarin. But there is a somewhat systematic mapping from the dialect to Mandarin, so it was really not much an effort to learn Mandarin.

I can imagine there must have been some efforts there to promote the standard in the very beginning, maybe even "forcefully suppressing" other dialects are needed at some point, but considering the huge benefit, it undoubted is the best invention happened in the history of Chinese language.
I was working on a long-duration balloon payload (ANITA-IV), so I was in a hangar much of the time. Since it was summer, it wasn't that cold, but the constant daylight is disorienting. The isolation from the rest of the world is the hardest part, even though at McMurdo, unlike pole, there is (slow) internet all day long.

McMurdo is an interesting place with a lot of fascinating people and the scenery is very beautiful. As our balloon launched pretty quickly after we were ready to launch, I unfortunately didn't get much downtime to do all of the hiking trails and such (but on the plus side, I got to go home earlier).

If you ever get a chance to go (either as a scientist or, possibly more likely for many, as support staff), I highly recommend it.
i see the comparison to slack, but how does it compare to mattermost ?
This crosses into personal attack, which is not allowed here and which we ban accounts for. It was also particularly tasteless to post that here. Would you please read https://news.ycombinator.com/newsguidelines.html and not post like this again?
Some Newegg customers are getting hit with tax bills for past purchases
Yeah, a feature set doesn't matter if the features are bad. I would never want to use Skype as a platform for an ongoing text chat. (Does Skype even have persistent channels?)

Also now that Discord exists, I would never do a voice chat in Skype either. A substantial portion of every Skype call I've ever been on was people apologizing to each other for the bad audio. Discord apparently just has better signal processing.
This kind of analysis is awesome. In a past job I might have deployed Aerospike, then eventually realised it sometimes lost my data. But that would be years later, after much midnight oil had been burned.
Please do see a psychologist. Depending on your personal background you may find this advice offensive or annoying, but give it a try.
There is cairo-gl. AFAIR it's still considered experimental, but good enough. I did not try it yet.
It's not exactly true. I am from the South and I love Hindi as much as I love my mother tongue (Kannada). However, the reason there are revolts to the degree it becomes National news is primarily because of the thrust of Hindi on locals. What do I mean by that? Imagine a villager or someone not versed in English wanting to fill a form in a Governmental organisation or a Bank. For a long time, most forms were available only in English or Hindi and not in the local language. This naturally pissed that section of the populace as they had no grasp of either of the languages. This felt "imposing" on them.

I call it Governmental failure of either educating the masses with regards to learning Hindi or them being unable to cater to the local needs (not printing enough forms in the local language). This was in turn exploited by the regional parties who converted this issue to a language-war of sorts, trying to portray that the Central government is imposing Hindi and diminishing the local language. These "movements" were used mainly for political gain. The reason you don't see this happen in the North is because for most, Hindi is a natural fallback language as the script is similar (Devanagari) to their Mother tongue, unlike in the South.
Yes, there was a promotion to speak Mandarin, but suppression of dialects was never a major part of the campaign and Hokkien is still spoken by many Singaporean.
Of course!

I think most of us go to our current jobs only because we have a hard time finding a better one!
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Speech Emotion and Age/Gender Recognition Using Deep Neural Networks
So, the article correctly says that efficient copper layouts will beat pex, but in residential, those layouts pretty much don't exist in practice.

Plumbers are happy to just use whatever fittings, etc, to get pipe where it needs to go, and rarely, if ever, think about the losses caused as a result (i'm really not slagging on plumbers or the quality of work, i'm just saying the average plumber trying to get 4 homes done is trying to get 4 homes done, not sitting around calculating the most efficient layout for copper pipe when he discovers a stud in the way nobody planned for).

In the past two brand new houses i've lived in, done to the latest plumbing code, the amount of hilariously horribly copper layout is amazing.

(I'm sure anybody who does this for real has ridiculous horror stories).

Meanwhile, most pex layouts i've seen perform significantly better in practice just because they use less fittings. So the attempt to be "as horrible as copper" fails.

Also pex is a better insulator, so in the real world where pretty much no in-home copper is insulated, pex holds heat better.

So, yeah, i agree with the sentiment that well thought out, well structured copper works really well, that doesn't happen to be residential reality, and hasn't been for a long time.
(it's possibly a commercial reality though)
It needs to exist in an untrusted environment.. it verifies that the driver which has low level access to the computer hasn't been modified by a third party.. MS signed system binaries are the same way; it's a safeguard against malicious entities.
Interesting, how do blind developers feel about minimalist languages like lisp? On one hand it seems like it would read very well in some circumstances (+ 1 2), but the scoping could be a real pain. Cobol seems like another language that might be well suited to them.
In fact, it's just called "Chinese" by Chinese speakers. I never heard of the word "Mandarin" before I came to US.
I can tell you about what I learn about. It's hard for me to pin down whether it's dabbling because it's not as if I become disinterested once a spat of study has run its course.

Here's are some examples of how I've used my spare time:

- I once was taking math lessons through Khan Academy from the ground up. Yes, this meant going all the way from arithmetic to at least college algebra. I wish I could have gone a lot further, but I had to devote my time back to programming and other topics. I did this because I have always been absolutely terrible at math, and as I got older I didn't feel good about it.

- For a while, and still off and on, I became fascinated with player pianos, music boxes, nickelodeons, and orchestrions. More specifically, I was very interested in understanding how self-playing instruments could function without electronics. I spent many nights reading through patents and Mechanical Music Digest trying to understand the basic inner workings of self-playing instruments, and even got in contact with a retired player piano repairman.
What I learned was that a lot of the basic concepts in electronics existed in pneumatics before electronics took off.

- I have a casual interest in my local botany, edible plants, mushrooms, etc. I'm actually pretty good at plant identification and remember the scientific names better than the colloquial ones. It's a very interesting experience to forage for your own food in the wild.

- One of my interests of the last ~5 months is learning the mechanics of nuclear explosions, radiation, fallout, etc. Of course I have recent events involving North Korea to thank for that. Since I live in a likely target for an ICBM, I wanted to learn just what it can take to survive such an attack. I've learned that most preppers are woefully underprepared.

- There's a nearly unlimited supply of lectures on YouTube about human psychology, theoretical physics, etc. I usually pop one up on my Chromecast while I'm doing work on something else.
Yes, you can read about it here ...

http://www.leif.org/EOS/McCracken10Be.pdf

tl;dr: Be-10 isotope levels in ice cores.
This breaks the site guidelines, which ask "Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize." For example, abritinthebay pointed out one that is both more plausible and stronger.

I'm sure that rokhayakebe means well (and I'm sure you do). Different people and cultures have different ways of offering condolence. It's what's in the heart that matters and that can't easily be judged online.

https://news.ycombinator.com/newsguidelines.html
Age and Gender Recognition for Speech by Support Vector Machines [pdf]
The stop/start issue is true, but this is also an easily solvable problem. Variable speed dc pumps are a complete commodity at this point.
You see them on geothermal systems, etc.

It's just the recirculation folks are lazy AF.
Quite sure that listening to the conversations of billions of people is on a different scale than what you typically see.
You can return an array of nodes, with each node having a depth property. Sometimes the client needs it flattened anyways, it is better for normalization.
Maybe somebody could use these photos to legally destroy concepts of creative input / originality in non staged photography and remove copyright protection from such works.
Dan Luu wrote a good post on this back in 2016: https://danluu.com/sounds-easy/
The farther you get from the proximate medical cause, the more supposition and speculation is involved.
Microwaves across Europe are 6 minutes slow due to a Serbia-Kosovo grid dispute
Notably, radv is 1.1 conformant on launch day: https://airlied.blogspot.com/2018/03/radv-vulkan-11-coforman...
Report from the Geniatech vs. McHardy GPL violation court hearing
Work: ASP.NET MVC + KnockoutJS on my team (other teams using React etc.)

Home: Elm + BaaS (Parse)
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Mars has no magnetic field and very little atmosphere, which makes it a terrible place to avoid cosmic rays.
Check out the Howey Test. It's what you have to fail to be determined not a security, this definition is fairly short and good:
http://www.legalandcompliance.com/securities-resources/secur...
With Slack deciding to close its open gateways, this seems extremely important. Thank you.
It's also possible that Apple has embedded a grenade inside each iPhone.

That's about as likely as them enabling the microphone specifically so Facebook can invade everyone's privacy and commit espionage on a scale never before seen in human history.
Mars colony helps with asteroid impacts. For interstellar events, like gamma ray bursts, distance between Earth and Mars makes no difference.
Truth is, China/Singapore/South Korea/Japan will all run into severe population problem. And those societies all have homogeneous ethnical profile, that it is impossible to use immigration to solve this problem.

What is so good about those Asian capitalism that those countries, after adopting this model, are all on course of their national suicide? It is clearly this model cannot even sustain itself, the prosperity it demonstrates is probably just a intermediate state before impending, pro-longed decline.
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End-To-end Audiovisual Speech Recognition
It sounds like a good idea although some water companies are not that happy with an end user putting water back into the supply. Technically the pipe under your sink is open all the way back to the reservoir or whatever so there’s potential for system contamination there. Systems are usually designed so that syphoning cannot happen if there’s a temporary supply problem also. This is why cisterns are fed noisily from the top rather than quietly from the bottom.
I don't think the person you're responding to is the one doing it.
Stop trying to guess display language based on keyboard layout
This isn't my experience at all. Most "security experts" I know are familiar with the so-called "CIA triad" and understand quite well that the "availability" part is just as important as the "confidentiality" and "integrity" (i.e., the "not compromised") parts.

If one doesn't, well, she isn't much of a "security expert" after all, is she? Firewalling off TCP port 80/443 at your perimeter firewalls isn't a very good solution if you're an e-commerce company selling your product on your web site -- and the "security experts" know this.
Ever try to get Skype for business (née lync) working on Linux? With video/voice?