skysight-inc/HackerNews huggingface dataset:
Each time ZeroPhone comes up on HackerNews, I learn something new that helps me go on =) Thank you, will be researching it when I'll be working "alternatives to Pi" topic =)
Trump invented his own cliches
Good, maybe video cards will start to come back in stock at their MSRP.
"It's one of those irregular verbs [...] I have an independent mind, You are eccentric, He is round the twist." (from Yes, Minister)
In pure math, the journey is the reward; in applied math, the destination is, and how you get there is unimportant.

That, IMO, is why applied math rarely is beautiful. Pure math often is because no sane person would spend time doing ugly work that doesn't even lead to useful results.

Computational proofs such as that of the four color theorem have changed that a bit. That may be the reason some mathematicians don't accept them as proofs.

Similarly, "publish or perish" may have led to more proofs in pure mathematics that are more hard work than inspiration, and of course, zillions of hours have been spent looking for counterexamples of theorems in pure mathematics.
Check out the ski rental problem, it will explain how much manual work to do before automation is right.
Nice post. Thanks for sharing.

I have to point out though, that it's a bit dangerous to measure classifier accuracy as the percentage of correctly classified samples when you've no idea how the test data is skewed in favor of one class vs. the other (for binary classification, and can be generalized to multi-class problems too).

It's always much better to represent accuracy as the F1 score[1] or to just examine a confusion matrix of the predictions[2].

[1] https://en.wikipedia.org/wiki/F1_score
[2] https://en.wikipedia.org/wiki/Confusion_matrix
GPU trading? More profitable than buying the underlying currency since GPU's in relatively good condition always hold a certain value?

High levels of correlation with BTC and ETH, along with other cryptocurrency, but a floor on how low it can go.

Pays off while holding by mining coins. Much like a dividend.
Hi HN! I decided to release the first few chapters of an online, interactive electronics textbook I've been working on for the past several months.

It's interactive because every schematic in the book can be clicked to be open it in a new tab. Many / most have simulations attached. You can generally change/add/delete any component and re-run the simulation to see the effect.

So far this covers about half of a first-semester undergraduate electronics course.
Thanks for checking it out - really appreciate the feedback. Some responses:

"the web version costs money after 90 days but the app is free. Why the differences?"

Because the web version stores your data on my server (and thus making it syncable to all your devices) - and so for that capability (and to cover my server operational costs), it's a paid feature. But if just using the iOS app, all of your data is by default stored locally on the device (I'm using Sqlite for that), and so that's free (since I don't incur any operational costs for that).

"it seems that I cannot add any other exercises apart from the ones provided, would be nice to be able to quickly log what I wanna do."

I thought about that in the beginning, and ultimately decided against it for simplicity; and would instead go the route of incrementally adding more and more exercises myself to the app. But will perhaps re-think this.

"the records list view on mobile is a bit squished (i.e. I find it difficult to horizontally scroll)"

Will look into this. I'm currently using an OSS library for the records display, and so I'll see if there are params I can tweak.

"no support for super-sets: I do a lot of circuit training and I somehow managed to add this feature to Ewolo using a rest parameter. I'm still not sure what the best way to model this data would be without making it cumbersome."

I also struggle with how to model supersets - more so from a UX standpoint. You're totally right - you'd think a rep tracker would be easy, but as you get into it, there's quite a bit of complexity that emerges. I think I have a good way to handle supersets, but that will have to be for a future release...currently trying to get the Android app (and Gear app) done.

Thanks again for the comments.

[edit - typos etc]
But, he is answering a question about a single mile, making it reasonable to actually answer that question. I mean if I say what's a cubic mile of the ocean's mass, I don't want a formula for a cube of arbitrary size I want you know an actual answer.

Not that they are going to actually be perfect spheres, but yada yada.

PS: I accept you really want to feel superior about this, but more often than not people actually know what they are taking about so using the reasonable interpretation is probably correct.
But that's 385 / month revenue? On a setup that's what, $3400 to buy, for seven 1070s? Seems like asking for 10 months to cover capex is a bit thin, given the price instability.
I saw this tutorial by you somewhere Spandan, and found it here on HN. I am yet to explore it but I have marked your GIT repo already. Thanks for the hard work.
No, Mike Pence does it for religious reasons, to avoid the abstract possibility of sexual temptation and to further the idea of men and women having separate roles in life. It's a popular practice among evangelicals (and other conservative religious groups, like fundamentalist Muslims and orthodox Jews). It's known as the Billy Graham rule. He also doesn't go to events where alcohol is being served without his wife; she will presumably protect him from any loose women.

Also, as far as I remember he only mentioned meals, not meetings in general.

https://en.wikipedia.org/wiki/Billy_Graham_rule
> VLC in a nutshell: Rebuilding fonts...

I wonder if this is still a problem (I haven't used VLC in a while.) That message box is shown when fontconfig rebuilds its font cache, but libass has been able to run without fontconfig since 0.13.0 (October 2015.) I guess it depends on whether the current release version of VLC still needs it.
Its mostly RX series that are being sold off and the reason for that is the ever-increasing Ethereum DAG size. I dont know the specifics, but due to the DAG size the ETH hash rate on AMD RX400/500s is starting to slowly drop, and will be behind the performance of their Nvidia counter-parts in a few months time.

(Source: I run a mining operation.)
Ever since I completely tarnished my last linux install last fall I've been trying to adopt habits to fail safe my data and setup (mostly bash and choosing cloud storage for my data). I'd love to see those bash scripts if they are not too sensitive to your integrity/privacy.

Here's how far I've come: https://github.com/GustavHenning/usefulBash
The thing about the normal distribution is that it's the distribution with the least information content. It has really little to do with real-world complex processes, and fitting real world phenomena to one typically ends in frustration and wildly incorrect estimates of likelihoods of samples. Intelligence (as measured through some test) being representative of a process that has minimal conditional structure underlying it seems pretty fishy to me.

I'd expect intelligence to be more of an asymmetric distribution, with the vast majority of people being above the threshold of, say, catatonia; most people being under "genius" level, and a blip for geniuses that have really changed humanity's capabilities as being pretty far to the upper bounds, but with incredible impact on the group. Something like a "6 sigma" intelligence on a normal distribution would probably show up a lot more often on the skew distribution I have in mind.

Although, this might be measuring something like E[f(intelligence)] where f is a convex impact-measuring function of intelligence
To be honest I know that MD5 vs SHA1 or SHA512 is irrelevant in terms of password hashing, but personally seeing SHA512 would make me laugh a little less than MD5. Both are inadequate for this particular use-case, but at least seeing the modern hash would mean they tried to do the right thing.
Here's a more technical description of Bachman's contributions to database management systems: http://amturing.acm.org/award_winners/bachman_1896680.cfm
Do Wifi headphones exist? Because Bluetooth has too short of a range.
Better yet, use a communication tool that provides the needed features; email is far from the end of the road:

https://github.com/andreas-gone-wild/snackis
Yes, I saw those links. The article that op linked to though was another Rust feature sheet blog post, though.

This was days ago, why do you care?
Venice Beach Is a Hot Place to Live, So Why Is Its Housing Supply Shrinking?
On and off for 10 years. Most of that was really bad form.

A few years ago I got a trainer and decided that I was going to be serious about lifting.

At my best I'm going 5 days a week in the morning when the gym isn't busy.

My split is chest, back, arms, back, legs. The reason I do 2x back is because my back is much weaker than my front.

Naturally I sit at ~185lb (84kg) but I know I can change this if I eat more consistently over a period of 2 months. Ideally I'd like to be at 200lb with 10-12% body fat.

My diet could be cleaned up dramatically. I'm naturally skinny so my biggest hurdle was just eating more. I'll generally eat four decent sized meals (foot long sub as an example) and a protein shake per day.

My current focus is contracting the right muscles for the exercise.
Or just let me delete iTunes. I've rm -rf'ed it a few times, and it goes away for a bit. And then when I'm not looking, it reinstalls itself in the background.

I just want to be free to accidentally press buttons on my headphones without launching iTunes.
I didn't realize you were one of the HN moderators. Would you mind putting this ban on paywalled articles into the FAQ?
Thank you very much! Yes, it seems that the units are a real pain point. This will be customizable in the next release.

Would you believe it if I told you that I myself use Kgs and need to convert every time? I had to make some decisions for an alpha release and this was one of them (I just picked the lower unit as default)!
> On a setup that's what, $3400 to buy, for seven 1070s?

Well you can always resell them on the used market after stopping the mining operation and get a decent chunk of the money back...
Sorry if this is a dumb question, but does a single party control the difficulty level of Ethereum and Bitcoin? If so, it seems like they have massive control over the market. If not, how does it work?
When I read the article in depth, that was basically the plot line of the article, that there is no reasonable astrophysics way to kill off deep ocean vent life therefore they'll always be something to eat. There are some minor mistakes in the article that don't significantly affect the conclusion, such as thinking the boiling point of water at "bottom of the ocean" pressure remains 100C, not in my thermodynamics steam tables...

It has certain implications relating to the odds of lower level life on other planets. Even if nothing is living on Mars today, it seems almost certain there's fossilized dead bodies up there. Possibly this is good news WRT soils and future cultivation.
There's a big difference between working super hard and working so hard that your health fails. If you aren't pushing 60 hours a week, you aren't even trying. At a startup, so many things are out of your control, but one thing you can control is working hard. All that time and effort, and failing because some other company out-hustled you is the worst reason to fail of all.
Computer hardware depreciates rapidly, and is expensive to trade(shipping/testing/labour).
The network collectively determines the difficulty based on how much compute power is being used. Specifically, it adjusts the difficulty up or down based on whether blocks are being found (relative to a constant expected duration) too quickly or too slowly respectively, which ensures the time taken to find blocks stays within a small interval.

The specifics of how Bitcoin does it can be found here: https://en.bitcoin.it/wiki/Difficulty
I'm surprised I haven't heard Downcast mentioned here yet - it's by far my favorite podcast app. iOS and desktop versions that sync together well.
“Things I wish” in Hacker News
Android Is a Dead End
I don't know about Ethereum, but in Bitcoin the amount of time previous blocks took to be found is used as an indicator of hash rate, and the difficulty is automatically adjusted to keep block generation at about 10 minutes per block, so no, it's not centralized. There isn't really anything that is truly centralized in BTC.
The target amount of time per block was set as a global constant (1 block every 10 minutes for bitcoin, 1 block every 15 seconds for ethereum). At fixed intervals, the difficulty is adjusted based on the actual rate of mining. The computation is deterministic, and agreed upon using the standard consensus mechanism. No individual controls it.
> Like I said in the OP, you will be shocked at how things can fail. (And this is far from my only horror story.)

Did I miss the story, did you talk about it somewhere?
>If he was a spy, would a 10-year sentence be unjust?

I imagine the sentencing is just a formality. Iran has no habeas corpus. They can, and will, hold him as long as they wish.
The Letter That Won the American Revolution
It can be more complicated than that. The next shirt in line is on the ironing board, not in the closet. I have to wear a tie today! I'm pulling a shirt from down the line. Can I also have a reminder of which pants go best with that shirt? I didn't do laundry yet so half my pants aren't available. Now I did do laundry, so half my pants have only one wear left in them and half have two.

Here's a <a href="http://i.imgur.com/VNJ08Ra.png">screenshot</a> of the thing I made in Flask to keep track. Orange needs to be washed next time I wear it, red needs to be washed now.
High risk, high reward. If you buy the average piece of real estate and rent it out, you are looking at 30+ years to cover the cost.

You can also lose it all (housing bubble) or quadruple your investment (investing in SF 10 years ago)
Show HN: Attempt to map lions to leopards using a CycleGAN
Considering the age of Emacs's source code, I'd imagine there would be a lot of code that used to be optimal when it was written, but isn't any more (Sort of how replacing a lot of instances of Duff's Device in Xfree86 with memcpy has sped it up).
Are you sure the coins in Alphabay are lost? Couldn't the government just sell them off like they did with the coins from Silk Road?
It's impossible, with any certainty, for an investor to prove that his or her judgement is better than random chance. This is high schools stats.

What I take from this is that this person doesn't have a grasp if high school math or is not being honest.

Also if you listen closely to a lot of investors they'll basically tell you their metric is "can I sell this to a greater fool?". This is why there is so much investment in 'hot' areas when, in reality, those are the areas to stay away from as the unicorn shares are likely already over-priced.
I think ETH is being pulled down by association with BTC, in the minds of investors.

Bitcoin growth is being stifled by those who will do anything to prevent an increase of blocksize, up from 1MB. We could turn 4MB max blocksize on next week, but the core devs have delayed this simple change for 2.5 years.

When you have 20MB of transactions in the mempool waiting for the next 1MB block, its like 2000 people waiting for a single train carriage .. fees go up and transactions take too long to process. This sets up a low usage equilibrium - people wont use the system as a currency when it takes 3$ to send $300, eventually they give up and go back to paypal, banks or try an altcoin [ Ethereum, Litecoin ]

This change is not a deep complex engineering issue - you _could_ get 10x to 30x transaction volume and several years of rapid user growth on the same linear blockchain by increasing the blocksize on a fixed schedule, well before you hit real architectural scaling issues.

After endless debate we now have all out chaos and civil war in the community, with SegWit/LightningNetwork/blockstream battling against 'BigBlockers', rather than a clear upgrade roadmap all parties can live with.

Politics and greed - and the lack of a benevolent dictator in the core dev team who will make hard engineering decisions - seem to prevent us from having good things, just as Bitcoin is poised to go mainstream.
Too much money soaked up by Uber, AirBNB, Lyft, Blue Apron, etc.

Slightly off-topic… is Uber now "too big to fail" for the VCs invested in it?
> in which you authorize corporations to directly and automatically withdraw funds from your bank account

The corporations over there must be more trustworthy than the ones we have over here. I'd never agree to such a thing.
Yep. U.S. "improvement plans": Accumulate actions and documentation to justify and CYA the action already planned.

If you ever face one of those, and you have the option to walk away and start something else / somewhere else, go. Just like the B.S. in the name, "improvement plan", anything they say that sounds positive about the action is most likely just being disingenuous.

I'll take all this back a step further: If you are not happy with the job, or have a lot of friction with your management, walk away. The sooner you get out, the better -- for your peace of mind, career, and reputation.

Real improvement is sadly lacking from many workplaces, these days. The HR ideal, again contrary to what they say and the ideals they "paint" in their rhetoric, is the completely fungible employee.

If you haven't experienced real improvement in the workplace and in your own career before seeing an "improvement plan", you certainly aren't going to see it, after.

Well, I guess there are the occasional exceptions. Don't count on being one.

Trust your gut. Even when the resulting action you need to take is "hard". Neglecting your intuition -- real intuition; you usually know it when it hits -- ends up being much harder, in the long run.
the outliers could be explained by aircon
Even more, both positions view a self as single entity making logical deductions.

All the theories of divided self, all the theories of divided behavior as automatic and/or conditioned responses, all the theories of humans as inherently irrational, etc lie outside of both of these approaches.

Essentially, these are approaches that hew closely to the mainline of Western Philosophy. They may see each other as "ancient enemies" but that's because they only imagine slight variations on their positions.
Maybe you're overcomplicating it? Pulling the next shirt in line is a suggestion, not a requirement. Maybe you want the second or third shirt in the queue. A small amount of common sense is required, but less than if you were looking at your entire wardrobe at once with no other information about it, and trying to make a decision.
> What ever failings Mark has a CEO he has one amazing strength which is a single minded focus to let no competitor to Facebook rise.

In the world of business, this is well illustrated by the market dominance of SAP. They have, and will buy out, or compete out startups that encroach on their market. This is why they are still the top pick for the biggest companies in the world.

Successfactor comes to mind as an example.
I personally do this using SaltStack. The biggest gain from Bash scripts are that Salt stack are idempotents, meaning you can apply them several time and Salt will figure out by itself the states that need changes.

Chef, puppet or Ansible are also good options I heard.
Would imagine wifi sucks too much power
Yeah, I hate that they changed perfectly food mplayer binds to make less sense.

Fortunately there's a file included that will restore the original behaviors.
It's the first recommendation that the article mentions and then dismisses.
I wasn't really looking at it from a philosophical perspective, and I'm a layman at philosophy, and don't know the difference between Realism and Formalism. And actually I don't believe EVERYTHING is following exact rules, which is why I posed my comment as a question. I do believe there is at least a subset of reality that follows rules, which is why math and science works, and most daily phenomena that surround us are subject to those rules. In fact if you believe you found something that is not, you'll be called a nut job by most scientifically minded people. That being said, I'll reveal my own belief, and that is that the layer underneath our clockwork world could be governed by a different set of rules or perhaps no rules at all. I don't have much evidence for that other than psychedelic experience and wishful thinking, but it seems odd to me that there are any rules at all in the first place, rather than an infinitely malleable canvas, so my intuition tells me that our experience is a purposeful limitation on that rule-free layer for some unknown or unknowable purpose.
>A generation later, fewer mathematicians would be bothered by this form of "uglyness".

I totally disagree. Mathematicians haven't changed at all. Ugly proofs are still considered.. well.. ugly. Machine proofs are still considered at least inferior to 'proper' proofs at the best, and downright suspect at the worst.
i keep hearing that the blocksize can be increased without difficulty. But why isn't it? What are the problems you're not saying about doing this?
You're ignoring the fact that the current situation has been created by prescription pill misuse (in proscribing and taking) and the death toll has exceed that of automobiles largely because of Fentanyl and other synthetic opioids. Of course, a lot of the attention being paid is not because of the relative scope but because the affected population is whiter and less poor.

But synthetic vs. plant-based doesn't mean shit, plenty of plants can kill you. I'm all for treatment over criminalization but you sound more like you're advocating for legalization of heroin.

> No hyperbole is enough to warn about the dangers of this FDA-approved substance.

Sure, if you're willing to ignore all the other information on that Wikipedia page. Every patient should be well-informed about possible side effects before starting a medication. The injection form is longer lasting so it may take longer for bad effects to subside but loss of libido for a few months is not the end of the world.

The worst thing about chemical castration of sex offenders is it's forced.
This is pretty rad.
Well, I was thinking more that I would want to set up the phone so that the baseband OS is only operational at the time I decide I want to make a phone call. Would something like that be possible and practical?
Building Electron Apps with Next.js
So ask for an example to back it up rather than write the person off. Like I said, most posts here on HN are not backed up by references until they are asked for.
Has nothing to do with the code, but out of curiosity, why are all of your projects on free domains? They tend to not have a very good reputation with many corporate filters (like .tk, ga, cf, ml, etc are all nearly completely packed full of spam and malware)

I can visit the github pages fine, but the domain TLDs are killed off for malware here.
It is a file format for java applications designed to run on J2EE servers like JBOSS, Websphere, Weblogic, etc. It is a zip file with conventions on certain files and folders in the package.

https://en.wikipedia.org/wiki/EAR_(file_format)