skysight-inc/HackerNews huggingface dataset:
Since it seems that I have been shadow-banned (I can't see my new messages when disconnected), is this the other account who is suspected of sockpuppetry? Or have I been banned for other reason/it is a mistake on my part?
All of the Hyperloop development efforts are ignoring the elephant in the room: thermal expansion. If you do the math, the ends of a viable hyperloop track will have to move hundreds of meters [1]. No one has yet advanced even a viable idea for how to deal with that, let alone an actual design. Until that happens, the Hyperloop is vaporware.

[1] It's a trivial calculation. The thermal expansion coefficient of steel is about 10^-5. A typical run of, say, SF->LA is 600 km. Temperatures in the central valley range over about 100 degrees. Multiply everything together and the result is 600 meters.
Yes, technically it is a Hard Fork (since that is how the code works). But in practice, it is just a network and feature update to Ethereum.
Common Problems Occurs During Multilingual Mobile App Development
I haven't done any work on hyperloops. But expansion seems to be a problem already solved by industry a long time ago:
https://en.wikipedia.org/wiki/Metal_expansion_joint
Looks like they just took the page down as I was poking around trying to figure out where the redirect(s) came from.

Edit: Of course the error message is truthful:

>The Equifax.com website and Equifax Member Center are experiencing unusually high volumes due to responses to the recently announced Cybersecurity Incident. We are working diligently to better serve you, and apologize for any inconvenience this may cause. We appreciate your patience during this time and ask that you check back with us soon.

/s
Columnar Store for Analytics with Postgres
Ask HN: How to manage sensitive data in your workflow, in 2017?
How should a team of developers integrate managing access tokens, API keys, sensitive data into their Git/CI workflow? Let's assume a project bigger than a simple tutorial app, and the need to actually keep the data safe.

Is there a de facto-slash-industry standard of how to implement it? Any success stories, battle-proven attempts, or big-company shots at it? What are your best practices?
Yes, just like that. Check out this fantastic talk on being pythonic: https://www.youtube.com/watch?v=wf-BqAjZb8M
Doesn't the Hyperloop concept rely on not having a perfect vacuum? It's supposed to suck in air on the front and blow it out the bottom as an air cushion. Without the air cushion you just have "maglev in a vacuum" instead.

I'm sure that's also a fast mode of travel, but like you said, the vacuum part of it takes a lot of money.
This technology allows online shoppers to try on clothes ONLINE
Well both Christians and Muslims have "names for God" that extend beyond just the simple word "God".

Christians have described God in myriad ways[1] since the Old Testament times.

Muslims also have the "99 Names of Allah"[2].

I don't think Muslims have another name for Allah like the Christians/Jews do (i.e. "Yahweh" or "Jehovah", depending upon your pronunciation).

[1]: https://www.gotquestions.org/names-of-God.html

[2]: http://www.islamicity.org/5855/99-names-of-allah/
Ask HN: Why is all software not awesome when we have Agile?
> obviously, some people are better at meditating

This is not obvious to me. This is the message the meditation industry is trying to sell, and I'm not buying it. We have a long history in the West of selling pre-packaged individually-wrapped enlightenment products and claiming they come from the East, where enlightenment was invented. But that's marketing, not reality.
Expansion joints are available since decades.
I love how you've capitalized "Human", as if to say there were some other race competing to complete the Hyperloop. :)
Swiss Machine Learning Startup landscape 2017 [pdf]
Thank you, added everything. I was surprised you mentioned the ELK stack as I associate it rather with DevOps and log analysis. Are you aware of a usage in a pure BI context?
A lot of criticism here. Yes the title is a clickbait and soem of the content is questionable but I think the author has a good point - cryptocurrency is not completely there yet.
We already see a bunch of people subscribing to one-true-god like mentality. "BTC is the only worthwhile crypto, no it's BTH now; no it's Ethereum"
If your in for digital gold - sure, but if you are looking at technology and ideology - it's still important to keep your mind open.
This is cool. But I assume SSD is going to get better too.
> Also, this hardfork seems to have been decided behind closed doors. Where is the mailing list discussion? Where did community members have a chance to raise concerns?

https://github.com/ethereum/EIPs

https://github.com/ethereum/pm/tree/master/All%20Core%20Devs...

These changes should be no surprise to anyone who's made any effort at all to follow Ethereum development.
Orig author leave inspiring message on post about his 35yr old BASIC program
Not long ago, a bitcoin was worth less than a dollar. Uncanny.
> Lots of marketing, very little engineering.

It started as a technical whitepaper, not a marketing campaign, and multiple companies are building experimental models. I don't think this critique is accurate or fair. There have been far worse vapourware and hype-only concepts that haven't gotten close to hyperloop's tangible progress.

No tech can be perfected from the planning stage either, it takes talent, money, and time - and you can't get those things without a bit of hype, the key is keeping it balanced.

Regardless the concept seemed feasible enough to some very smart people and people with money to spend, where they see it's worth the R&D.

I don't really see what the big risk or downside here of exploring this? Considering the rewards could be very high if it does work and otherwise there has been little innovation in transportation in 50yrs, it's not like there are some obvious alternatives are being neglected.
That's exactly the threat that Monday's post about Circle CI was about! Literally 3 days to a concrete example!
I see so many negative comments about this, but in my opinion everything has to start somewhere. It doesn't matter how crazy and impossible it looks, it will be done eventually (and we have plenty of examples).

Maybe we will not teleport in 2 seconds across the globe or this project will die, who knows if we don't try.

A little bit of optimism doesn't hurt. Just saying.

And for Virgin, it's not my money, if they want to invest in a black hole sure they can.
i.e. the labor costs alone are around 1500-3000 €.
Not ones that will hold a vacuum.
If you fancy a fun piece of fiction that covers Muslim/Viking interaction, Eaters of the Dead by Michael Crichton is a good read [1].

He blends a re-telling of the Beowulf story with the accounts of Ahmad ibn Fadlan [2] and his interactions with the Volga Vikings [3].

[1] https://en.wikipedia.org/wiki/Eaters_of_the_Dead

[2] https://en.wikipedia.org/wiki/Ahmad_ibn_Fadlan

[3] https://en.wikipedia.org/wiki/Varangians
I am curious, does an expansion joint not help here? Is it impossible to make an expansion joint that deals with the kinds of pressure involved?
Maybe too low-tech for HN, but I just do the watering myself. Using Arduinos and moisture sensors is a lot of fun, but not practical when you have more than a couple plants. Most common indoor plants require infrequent watering in the first place, and when they need it I also take the opportunity to inspect them for anything that needs to be pruned.
Easy, our mobile devices screen width is limited. Emoji is the idea and it make learning not boring.
> Stream processing and batch processing are complimentary

Must be complementary, I think.
I'd say for strings it's entirely domain dependent. Many problem domain's won't ever use `std::variant` but may require that all strings live in ROM, so for those domains the default behavior makes perfect sense. If you want to compare C++ to modern languages, I get it, it's obtuse, but C++ is also used in instances where other languages can't be and so has to at least support doing things that may be unintuitive in other domains. That being said it would be nice if we could deprecate things with wholly better replacements like raw pointers, raw arrays, etc.
This is what flagging us for. Get it off HN. As another commenter noted, this topic is important, but doesn't belong here.
Lots of comments about how this is not feasible, but wasn't spaceX's vision of a reusable rockets similarly not feasible at the outset and they've since been making some quite considerable progress towards this.
I think emptiness can serve as a sort of reference to keep things in perspective, but I'm just as unsure as you are how capable emptiness is as a philosophy. I think, mainly, it can be a tool to help you get closer to detached awareness of the present moment. If you aim to go from "a self who is being aware of the present moment" to "some poorly defined state of emptiness who is exists in the present moment", you sort of get closer to "being more aware of the present with less impulsive reactions" by default. But, like many things, you can take it too far and the idea kind of falls apart somewhere.
Crony capitalist is a pleonasm.
So, it's all actually just one parameter?
What, really? What's with all those mega photos we see everywhere ?
he should make a revised edition where they no longer consult the Sun God but rather the All Seeing Oracle...
Why does everyone deserve happiness? That's nonsense. There are some really horrible people out there who refuse to change.
When Musk first said that an LA<->SF Hyperloop could be built for 1/8th the cost of the equivalent HSR, I chuckled and then waited for the punchline, which still hasn’t arrived.

It’s a cool idea and I do want to see more prototypes and feasibility studies, but people need to get off the hype train (no pun intended) and be realistic about the cost.
What about building a high speed train? Proven technology, works in a lot of countries. LA to SF in 2 hours. Is it really that bad?
Cloudflare London Meetup Recap
He's complaining that Satoshi did predict how his creation would evolve, he just guessed wrong in a lot of the particulars. Because of course he was. Predicting the future is hard.

But predicting the past is much easier. We have a privileged position to see that, as implemented, Bitcoin is a pretty shitty currency (and a decent high risk investment vehicle). It's way too volatile, transactions are very high friction, and both of those problems look like they'll continue to get worse as Bitcoin continues to mature. More over, it's looking like none of this will actually avoid state capture now that a state actor (China) has decided they care.

No piece of software in human history has been perfect on day one. The real world always has a few surprises. But Bitcoin doesn't have a viable mechanism for change. No central authority and no privileged user means all but the most glaring bugs are unfixable.
This is an opportunity for me to link to one of my all-time favorite Vikings, alive contemporary as the dating of the finds. Harald Hardrada, whose journeys show just how mobile the Vikings might have been at that time period; if he had not contested the English throne at the same time as William contested it, history would surely have taken a greatly different course.

https://en.wikipedia.org/wiki/Harald_Hardrada
Is being in DC required, or is relocation possible?
AWS / MSR response to dynamic graph computation paradigms such as Chainer, Tensorflow Fold. There is certainly a distribution advantage to having this be the default backend engine as so many store their data on S3, Redhsift.

The DyNet paper is still the best source for background on the relative advantages to using "Define-By-Run" networks:

DyNet: The Dynamic Neural Network Toolkit

https://arxiv.org/pdf/1701.03980v1.pdf

Now I just need to get to where scaling to 1000 GPUs is a problem I actually have ;)
Amazing idea!
Correct. Ignoring dependence caused the 2008 financial meltdown. Mortgage securities were created assuming mortgage failures were independent, when in a financal meltdown failures are highly correlated. In math terms this is difference of a product of numbers less than one or the minimum of numbers less the one. The latter can be substantially higher than the former.
It's more of the poor are leaving and the middle/upper class is arriving.
>The difference is that you could not make more than that

Pretty big difference. A core difference, as a matter of fact.

Switzerland has the 9th highest GDP per capita (higher than the US) in the world. They rank 4th in a tight bunch at the top of the world happiness index. It seems that UBI hasn't collapsed their country or turned it into a dystopian tyranny.
Ah, that certainly seems to do what I want for Twitter, thanks!
Right. Could you imagine what people thought/said around the advent of commercial airliners or heck, even automobiles?
Online dating is a godsend.

It eliminates so much of the bullshit you deal with by meeting a stranger through "common ties" (as the authors of this article put it) or in a social environment like a bar or outing. You can literally find someone that you'll highly likely be compatible with by answering a ton of questions and searching for exactly what you want.

My fiancee and I met on OkCupid, and we are proud to tell people that we met on there and how. I've been dating online for many years before I met her, and I can tell that the stigma associated with it has gone down a lot since then.

I wouldn't say that online dating completely eliminates the race problem, however. While it definitely makes it easier for people of different races to come together by dint of not having to rely on social circles to make connections, there are plenty of people that have their racial preferences set in stone. I've come across plenty of women whose profiles said that they were only interested in x (where x was usually someone white). I suppose that it's really hard for someone who's grown up in a homogeneous environment to try something else all of a sudden.

This became a lot clearer for me after we moved down to a Dallas suburb from NYC, where damn nearly everyone is white and the racial divide is really, really clear. I'm almost always the only person of color in the events I participate in with my fiancee (she is white) and I'm one of very, very few in our church (she picked it out). This doesn't bother me very much, and no-one has given me shit for looking different (except one dude who thought I was Mexican for some reason), but I do wonder how someone in an environment like this would go about getting romantically involved with someone non-white.
Most of that is the magnets around the beam tube, with the associated power and refrigeration equipment. The beam tube itself is quite small.
Totally with you.
I came here hoping that the emergency sheet feature was an implementation of Shamir Secret Sharing. That would allow you to give a few sheets to trusted people, which they could combine to reveal your password.
Those are the detectors. And the magnets around the tubes.
....Are they going to rename it in the future based on the number of pods that have gone through its tubes?
The Canon, esp. Ancient Greek works used to hold much more sway over the intellectual psyche, which they no longer have, so much so that in the second half of 20th century it was suggested to rename Joyce's Ulysses Hamlet, to recreate the boldness of having the title laid against a well-known book. Wilson was born in 1971 so the play she's reminiscing here was done around 1979.

I think suggesting to put together such a play for grade school would be absurd, even in the relatively affluent Chicago public school that my son goes to. Many of the otherwise well-educated parents would hardly be acquainted with the book!
That's not actually a hack; copyright only concerns distribution of a work, not ownership or storage of it.
Is 'petty' the right word? I guess any reference to history could be petty in that case.

"Hebron is part of the West Bank, a territory captured by Israel in the 1967 Mideast war. The international community considers it to be occupied.".

Perhaps 'recaptured' is a better word given that "Hebron was one of the last cities of Palestine to fall to the Islamic invasion in the 7th century, possibly the reason why Hebron is not mentioned in any traditions of the Arab conquest"
https://en.wikipedia.org/wiki/Hebron

No, I'm not supporting either side, merely objecting to the word 'petty'.
And sitting down in a quiet, non-stimulated environment typically produces all sorts of emotions, does it not?
This is only reinforcing my conviction that blocking scripts and advertising isn't a consumer decision but a security one. I'm not unwilling to be advertised to (or analyzed), but I'm completely unwilling to expand my vulnerability from "the site I opened" to "every external service they can think to load".
Thanks. One of the (personal) goals for this was to keep it simple all in one file (that's why the code is 540 lines with comments and help and license text) and be dependent only on the stdlib.

This lets me just copy it over (using the bash function I have shown in the demo) everywhere I ssh without having to pip install anything. Additionally it just works out of the box for any virtualenv ...even something created with mktmpenv.

Of course, if someone doesn't feel the same, they are encouraged to make this their own ! I've put in effort to ensure the code is easy to read and modify.
>it's not like there are some obvious alternatives are being neglected

A high speed train like the ones they've had in Europe for a long time? You know, the ones that regularly reach 300 km/h? If that's not fast or flashy enough for you, what about Maglev? It actually exists, and the tracks are extremely expensive even though they don't even have to maintain low air pressure
I hadn't heard of this or the Kindle thing mentioned by
bhauer. Thanks for alerting me. A new threat I now need to monitor for (sigh).
I see they are using the term "extremely low pressure tubes" instead of vacuum tubes.
Oh wow, I would expect a situation with proper health care professionals to be better than that. That sounds pretty bad.
Toptal Offers a New Arsenal for the War for Talent
me neither
Jesus, much, much more than 10% of 20-30 year olds are single. In fact, more than that are still living with their parents:

http://news.gallup.com/poll/183515/fewer-young-people-say-re...

>Gallup found 14% of adults aged 24 to 34 were living under a parent's roof.

http://www.pewinternet.org/2006/02/13/romance-in-america/

> Fully 43% of adults (87 million people) say they are single.
Or turbojet trains[1]

[1] https://en.wikipedia.org/wiki/Turbojet_train
Python has always had a good selection of scientific/mathematical libraries (numpy, scipy).

In addition, notebook apps like Jupyter fit well with the experimental nature of scientific code. I have a colleague who was attempting to do some stuff in Ruby (to fit with our application stack) who would leave IRB sessions open for weeks at a time. He's recently switched to Zepplin for notebook stuff, and it has been a huge productivity boost for him.
Just to clarify - is the thermal expansion issue both in terms of the length of the hyperloop and the inside diameter of the tube, or just the length?

Relevant discussion of thermal expansion with high speed tracks: http://boards.straightdope.com/sdmb/showthread.php?t=471152
As usual, this recent move is China related. I had a feeling that the exchanges were shut down in the first place because they were too porous and were acting as a new method for Chinese citizens to move their money out of the country. I wonder if the government will force the exchanges to report on the movement and quantity of Bitcoins that are moved to addresses outside the exchanges.
- This update was announced almost 2 years ago from the very beginning
- Multiple Discussions in EIPs
- Multiple public dev meetings, with youtube recordings, discussions, etc..
I am not an engineer. Is it impossible to create one? If a tube is a vacuum, then the tube moves, I don't think that negates the vacuum or does expansion and contraction make a vacuum impossible? I wouldn't believe so.
The missing career path for software developers
The problems with remote casts are not just audio ones, but yes, you can do good point-to-point audio. Very few people do.

I've looked at Cleanfeed and it looks like a really cool beta product, but it doesn't feel like the product appreciates how existing audio stacks and production flows work. And that's not entirely Cleanfeed's fault, because there are browser limitations, but at the same time the browser is not a good audio production platform (only Chrome seems to recognize the existence of multi-track audio devices, and that seems to be more of a "here's a 5.1 surround sound system") and that's a problem too. Like: I run a US-16x08 locally. It has eight mikes and eight line-ins. Cleanfeed (and this is probably Chrome) gets confused and says there's no microphone unless I go into Chrome's settings and force-pick the US-16x08, and then it just gives you mic one? It's mixing down the remote, too, so I just get back a single audio stream. This isn't acceptable; I 100% need to feed this into my mixer, not just splat out the audio. If I just wanted to mix down, Discord provides acceptable-not-great audio quality (and it appears there's probably a way, if one is a wizard, to rip audio streams out of it separately and push them through something like Soundflower).

If Cleanfeed was a local server that connected to you guys and had VSTs I could drop on instrument tracks in Logic to get individual voices out, I would pay you nontrivial money for that.

Also, video is pretty important. If Cleanfeed supported video at a size/quality that I could cap it out of a browser window I'd probably pay for it despite having to rework everything else; that would be a killer-app feature to compete with vMix Call.

Feel free to ping me offline if you'd like to chat--my email is in my profile. I think Cleanfeed has potential and I'd be happy to talk about this more in-depth.
LoFi hip hop beats generally. A good balance of punchy and relaxing.
Computers do "move" files, in some cases, by updating the entry in the filesystem registry. In such a case, it might be that no change was made to the file on disk, so no copy was made at all.
Yeah, Elon Musk never thought about that because he was busy landing rockets.

Come on.. why do you think he did not think about that?

By the way, curves in the track can eliminate this when they can slide a little. And I can imagine there are more and better solutions.
Post-Soviet Bank Heists: A Hybrid Cybercrime Study
Yeah, I'll update the color scheme! Firestore is pretty sweet, the querying is a little strange to get used to, but its definitely a good tool. Still in beta, so there are certain usage limitations
South Alabama vs. Troy – Live Stream Online Telecast
A while back I asked HN if there was any way I could trust an iOS keepass client. The answer was no, on the basis that you have no way of auditing whether the open source code built what’s in the App Store. Nor is there a way of preventing a rogue keepass client app from accessing the internet and exfiltrating your database and password.

Has any of that changed recently?