skysight-inc/HackerNews huggingface dataset:
What is this... what is its intended use?

The vast majority of people who use SQLite use it because they have flexible queries they want to run. Just storing structures to disk is so simple it is usually just easier to integrate with your codebase.

So, cool shell script hack. But what's it for?
I was thinking RoadBlasters, myself. When "cars" appear on the screen, you "shoot" them while driving.
This sounds great and I'm sure it would resolve some of the barriers to entry for educators.
Come on over to my place. I won't MITM you, I promise :). Or we could go down to the coffee shop down the street. They have free Wi-Fi there too. Or maybe you'd like to visit my favorite co-working space. How about a conference room at my corporate office? Or maybe I'm your friendly $DAY_JOB firewall guy with a hankering to read your email. Perhaps I am your crazy ex working for $ISP. Or maybe I am on the same public cloud as your server and my VM just happens to be hosted on the same physical box as yours. There are lots of ways to MITM a connection that don't require you to do Mission Impossible style of break ins to tap into the backbone.
Multilingual presidents of United States
Total emissions aren't the issue here - it's the emissions of specific regulated compounds like NOx.

Most emissions from engines are in the form of CO2, which is indeed directly proportional to how much fuel is getting burnt. However, other compounds like NOx and unburnt hydrocarbons (HC) are a product of how combustion is happening, not how much is happening.

Basically, the car can choose to trade decreased efficiency (additional CO2 emissions) for reduced NOx and HC emissions.
I'm using the free option on a bunch of sites. I would pay $20 but, with their current pricing structure, I can't foresee a reason for me to do so?
I agree with you. Seems like they should have stayed small and been happy with small returns. Any business can throw a 50%-off deal up on their facebook page or website. They weren't adding value by consolidating those deals to one site.
I've done the pacific starlight from SF to Portland/Seattle a couple times over the years, and while I love the scenic-ness of the train, I felt like the author painted a bit too rosy of a picture of the amtrak.

Here's my anecdotal list of downsides of amtrak train riding:

- People will talk on their cell phones in the cabin despite the rules. You wouldn't think this a big annoyance, but it gets annoying after several hours.

- Amtrak cars can have issues - I spent 12 hours in one with a door that kept opening and closing making a huge 'clunk' noise every 30 seconds. A passenger finally figured out a way to make it stuck open.

- Watch your stuff, Things can and will get stolen - particularly in areas where there's multiple close stops (e.g. the stops near seattle) - last time the person in the seat in front had their smartphone stolen while they took a brief break in the snack car.

- The co2 savings compared to flying depends on the actual route and timing - I have to point this out because amtrak does market themselves a bit on co2 savings - I calculated this once between flying and taking the train from seattle to spokane, and after factoring in the need to stay at a hotel an extra night for the train along with it's non-direct route, the co2 difference was negligible. Here's my math for those curious: https://i.imgur.com/zTHfSB8.png

- Certain trains are historically, tragically slow -
amtrak has a website logging the timeliness of trains, typically 70% on time for a long train is on the good side.

This said, I do want trains to be more of a thing here - I've had great experiences with the ones in europe, wish the pioneer train ( http://pioneertrain.org ) and ski train ( http://www.skitrain.com/ ) make a comeback, and prefer taking the business class amtrak trains for shorter trips over flying or driving. Plus you can pack a folding bike like a brompton on amtrak just by tossing it into the overhead compartment.

More: here's a blog of someone traveling the us by railpass: http://railpass.tumblr.com/
> if you have many records (i.e. more than a couple hundred), the file system will have a lot of work to do and the whole thing becomes sluggish

On OS X, running the simple test which creates, reads, and deletes 1,000 documents is no problem. The big concern is reaching the maximum number of inodes or files in a single directory limit. This can be worked around by "sharding" into sub-directories based on the first character of the UUID.
Probably for the best.
Malicious “XcodeGhost” Apps Found in App Store
Show HN: Command line via iOS keyboard
Thanks for the feedback! I tried to keep it simple, clean and straightforward, so thank you for noticing :)

The daily digest email is an interesting suggestion. My only concern is people considering that a push notification. Originally, the stance on no push notifications was to encourage people to communicate with people they actually care about and not just communicate with people notifications are telling them to communicate with. It's a nice low pressure system not intended for anything critically important that needs to be delivered right this second. (My girlfriend and I have threads for vacations, but we also have simple grocery lists, etc. Oh, you can also create threads with yourself. So it's kind of like journaling with friends. Or scrapbooking. Messaging is a side effect possibly.

Email digest could be cool. Thanks for your input and your time! Much appreciated
Telegram group chats ARE encrypted (in transport) they're just not end-to-end encrypted. Telegram themselves (with server access) could potentially read the messages.
> I suppose these new reactors are made to the latest norms of safety

They are, the Chinese are buying reactors like the AP1000 which is quite possibly the safest production-level certified reactor ever designed by humanity (and no I'm not a Westinghouse employee, I've just had a nuke "interest" for about thirty years).

Its almost comical in some sad ways... I've read reasonable predictions that in a decade the entire Chinese national "fleet" will have a total aggregate incident rate for an entire country below some individual antique American reactors. Absolutely tragic.
> If the business owners/clients are stupid enough to give away the best experiences for cheap, it's their own damn fault for not having any business sense whatsoever.

And yet Groupon is closing down operations in 7 countries and laying off 1000 people.

Groupon's customers are these small businesses, for Groupon to succeed it needs to be in a symbiotic relationship with these businesses. "It's your fault for being an idiot" isn't the correct way for anyone to think about Groupon's relationship with its customers; that sort of thinking will only backfire even harder.
I was a hardcore Red hat/Fedora user for years (the main reason being I prefer rpm package system over deb) but Linux Mint has won me over.

With Mint, everything works straight out of the box - except for dual monitors, which was a cinch to set up. Great distro.
Interesting but completely unreadable. Was it really the best format to show this information?
Broadband is a “core utility” like electricity, White House report says
Then again, humans have also done things like contaminate our soil with arsenic, and the effects exist to this day and will persist for a very long time.
The Zipf Mystery Explained
>If you want to see tourist America, rent a Cadillac, get on Route 66 and stop off at a few cutesy diners and motels. If you want to see the real America in all its spectacular, crazy, kooky glory, get on the train.

I call BS, and am wondering if he has indeed taken Route 66, or just telling some vague impression he has of what it would be to do so.

I've travelled Route 66 several times (and highway 1, Highway 61 -Louisiana to Canada-, Route 50, coast-to-coast several times, and several other long road trips for decades).

There's nothing "touristy" about Route 66, with the exception of a few small towns along the way with shops living off of the Route 66 travellers.

Considering the whole 2.500+ miles journey, those are a negligible part of the way. And even those few places are not touristy in the Las Vegas or Miami sense, but more of a decadent, quiet "that's what we've got from our past, and we preserve it and tout it to help make some bucks" sense.

And there's nothing (unlike on a train) that stops you from talking small roads and alternate routes to explore nearby smalltowns and counties.
I didn't find the response strong at all.

It was far less strong than the initial attack on his adding a referral link in the first place.

A referral link is (arguably, again, opinions here ;) ) much cleaner and more transparent than having your analytics data being pushed out to a dossier tracking your behavior, emotions, and extrapolating patterns on the two.

You can hover your cursor on a referral link to see what it is. You can even open up a Javascript console and see where the true location of any given link is taking you to, should you click on it.

You can't see what's being done with third party gathering information about you.

And funnily (read: ironically) enough, its the entire point of this software in the first place. I repeat that I'm confused about the concern over this minutiae considering the fact that when you go look up something online, someone is getting paid in some way, shape, or form. I don't mean to come off strong, and I apologize if you took it in that way.

A referrer gets paid in creation of a consumer whereas an advertising company gets paid as a spy, essentially. Using Amazon as an example, isn't the purpose of the service to sell you something? Instead of selling you as a product?[0]

[0] https://medium.com/@unsetbit/dear-amazon-you-dropped-somethi...
The world’s first self-driving public shuttle is smart, efficient, and adorable
There are many pearls to find. It depends on your 'set of preferences'. You want return? you want low-risk ? you care to deploy a lot of money, or not that much?

But I'd say that for starter, anything in the 8%-9% range is a very good deal these days in this environment
So it is backtracking with pruning?
You write that it is sub exponential, what is the running time?
In the README: "JSONlite is a proof of concept, and it may not make any sense to actually use it in development or production."
Thanks for sharing your experience!

In fact, the blog post doesn't include all the details, but some of the educators we interviewed were not from CS. You can see a table describing all the participants in our research paper (the link is provided at the end of the blog post).

Just like you, I believe it is completely possible to use this for non CS classes, and still gain all the benefits. However, like you said, there should be a basic understanding of Git.
It got 11 points on /r/dataisbeautiful, so it must be good! :P

https://www.reddit.com/r/dataisbeautiful/comments/3lfqfv/mul...
I switched to Fedora after aging out some old Mac hardware only Ubuntu seemed to support. My primary motivator was the appearance of Amazon on my Unity desktop and Canonical's increasing desire to go it's own way with technologies like Mir.

I've been very happy with Fedora and Gnome 3 since the latter hit 3.12 or so. There are still some edge cases like the ability to snap windows to corners that I really think should be addressed but otherwise I'm a happy camper.
It has its own webpage at the DOE. Some secret. Sadly, HN often falls for click-baity articles with an anti-US or conspiratorial spin to them.

http://energy.gov/fe/services/petroleum-reserves/strategic-p...
Life before Earth (2013) [pdf]
More recent figures can be found here: http://www.eia.gov/dnav/pet/PET_SUM_CRDSND_K_M.htm

We (the United States) produce around 9 million barrels per day, and could produce more if necessary. We import a bit more than 7 million barrels per day.

We wouldn't need to replace domestic production, so the strategic reserve would cover about 100 days of lost imports. But there are few if any scenarios where we'd lose all imports -- most likely we'd lose access to only a small fraction of imports, and even that kind of shock would spike prices and thus our consumption would drop and domestic production would increase -- so the reserve can be expected to last far more than 100 days. (If we are ever in a situation where it seems plausible the reserve might be exhausted, e.g., a major global war, then extreme conservation measures will be enforced, and the discussion changes state.)
personally, I feel the real magic of VMs is I can play around, keep notes, royally screw up my system doing something idiotic, trash the machine, spin up a new one, and resume from my notes. I'm old enough to remember the dark days of RHL CDs running on actual computers...
I would take this with a grain of salt as this man is known to plagiarize and make up content in his previous posts. Also given that he took a picture of everyone and everything you think he would not do anything in the world to get a picture of that scene?
Not gods; software. You got hit by a spam filter. It's fixed now.
The heart of DDoS leverage effects are UDP protocols
https://app.box.com/s/r7an1moswtc7ce58f8gg

The impact seems to be that when UDP protocols are incorrectly filtered in inconsistent ways it MAY result in RTP drops of packets hence SIP communications loss of quality/connectivity.

DDoS are the stone in the shoe of the internet.
Find a zero-day exploit to hack iOS 9 and win a $1m prize
Because giant tech companies only have malicious intent and now CF will be spying on everyones lives, duh.
So, the next Trojan version of Xcode also needs to replace or corrupt spctl.

I should look at it (on iPad currently), but it seems like the right combination of a custom Certificate Authority added to the keychain and signing your malicious Xcode with a certificate signed by the CA would help. Maybe also change the quarantine metadata on the file?
Correct, this all works, because we assume the UUID is globally unique, thus a read is a O(1) operation.
>You don't have to drive?

You don't have to take the freeway ("interstate"). You can always go for smaller roads.

>If just yourself, driving 3000 miles cost more time, $, mental energy.

If time, $ and mental energy is at premium, train is not the solution either. A plane ticket will be the same cost or less and take 1/40 the time.

If we're talking about seeing places and travelling to see the "real side, kooky, etc" as he mentions, then driving is a far better option. It doesn't take reading Jack Kerouac to know this.
Why it's not about self driving
I noticed this when they started requiring ridiculously complicated CAPTCHAs for tor users (which they luckily toned down, I believe after the tor project guys got in touch with them). It basically broke the internet for tor users, because so many sites are behind CloudFlare.

It's sad that a single party has such power over such a large part of the internet. But of course, DDoS protection services inherently require large scale, so it's a tricky problem.
My experience with groupon involves two different times. Both times involved me calling the business and being immediately asked if I had a Groupon. I don't think this was a groupon only number, but the business pretty much runs entirely off Groupon. One was to have my carpets cleaned when they arrived they said the Groupon was for using water only (it wasn't steam cleaning just regular) and I had to pay extra to actually get the carpets clean. All said and done it was the same price as going with someone else from the beginning.
CDH on Azure
So I need to break out my old Simon?
Yeah, I didn't realise that at the time. Makes it a bit shittier, feels graceless and petty.
This is great, thanks for sharing.
> seems like the right combination of a custom Certificate Authority added to the keychain and signing your malicious Xcode with a certificate signed by the CA would help

nope. Gatekeeper only accepts certificates issued by Apple. The trojan would have to patch gatekeeper itself which will be difficult once people upgrade to 10.11 and keep the System Integrity Protection enabled.

Even with all the bad feelings about Apple taking more and more control away from us, there's also a huge upside to this practice, I have to admit.

I guess as long as stuff is turnoffable in emergencies, I can live with the restrictions.
> if the rates are much higher compared to a marginal increase in risk

Exactly. Same thing with public records -- having a public record could very well mean you have a higher default rate but what is important is LC punishes it more than they should so its a value investment.

We invest via a model (not filters) and the whole idea behind the model isn't to find what criteria makes someone less likely to default in absolute terms, but what makes one D2 loan less likely to default than another D2 loan.
Nginx 1.9.5 mainline released
Your instructions are literally just "install this software". Windows is not so different that the instructions can't be just "install all this software". We can install software without apt perfectly fine.
> then still might come out ahead even with $0 or -$10/head

After blowing an entire year's worth of advertising on a single promotion...

Which is an awful idea because a) advertising needs to be sustained; and b) Groupon users are a small subset of the local population that might be interested in your product.
>It's impolite to accuse people on an HN thread of being deceptive.

It's impolite to do it everywhere. However, just like people "being rude" happens, people being deceptive also happens in HN as well as in "real life" -- in which case it's not longer impolite to call them on it.

But that's just theoritical. In this case I never accused anybody in particular, heck, I didn't even mention anybody. I said it's a deceptive tactic.

I'm not sure what you mean "it also doesn't add anything to the thread itself".

Identifying a deceptive argument doesn't add to a thread?

You might argue that I'm wrong in my identification of it as deceptive, but I don't see how you can say it doesn't add anything (in case it's true).
Shoptiques (YC W12) Is Hiring for Inside Sales in New York
I used it to teach my class as well. But I have to be honest, it wasn't obvious at first how to use it - especially how would I manage the course website there (which needed to accommodate different semesters). Eventually, I figured out that I don't really need an HTML website, but using Markdown files would get the job done (and would be better, as it makes it easy for students to commit PR with corrections and suggestions to the course website and material). I really love our setup now, but it took some figuring out the best way to do it. BTW, if anyone is interested here the course website (just as our example):

http://startup-programming.com
The consumer freemium model is probably negligible money in the grand scheme of things. Here is an article about how Cloudflare developed a keyless SSL tool to bring Goldman Sachs on as a client:

http://www.wired.com/2014/09/new-internet-security-tool-guar...

Downtime is expensive for large companies, including financial institutions. A DDOS that takes down the site could cause a dip in the stock price. CloudFlare technology (should) prevent DDOS and other basic security issues. It does this without appliances and without having access to private SSL keys.

Imagine the opportunity cost of a bank going offline, and you can start to understand just how much money CloudFlare stands to make from large corporations.
It's pretty amusing that the DNS has such a distributed design yet everyone wants to centralise their authoritative nameservers on services like Route 53 and Cloudflare. Latency shouldn't really be an argument in the case of DNS because it was designed such that folks would be using their ISPs low-latency caches/recursors

In theory, HTTP could have been the same way, if it wasn't for for complete lack of respect caching got once the web moved to dynamic database-driven designs and the temptation for middleboxes to overstep their remit.
If python is your strong suit then it is definitely a good language to program this in. Instagram was built on python.

Don't forget many great apps are built on many different languages. I think you should focus on using what you know to get your product out there as quickly as possible.

Good luck and I hope this helps :)
I couldn't help but compare this to my experiences of driving coast-to-coast. Note that about half of the article and far more of the words are dedicated to the first day. The second gets some space, but the third and fourth are barely there. What little there is is all about things other than the view. That very much mirrors my memories of my drive (vancouver-seattle-boston x6, mostly all i090/94).

In short: The coastal and rocky mountains are interesting. But after that the US is flat flat flatter and more flat. That first Midwestern wheat field is cool, but numbers 2 through 15239 are not. At least during the nights I'd see some deer. I remember driving for five hours without even touching the clutch. Then you hit the hills of the east coast. Wow. A tiny gravel river. A rusty old mill. If I run through my memories of the drive, the west is filled with images of places and people. The east is filled with traffic, gray concrete and rusty bridges. If I were doing this for fun I'd have turned around and repeated day one.

The west: https://en.wikipedia.org/wiki/File:I-90IDWallace.jpg (note the bend in the road)

The middle bit: https://en.wikipedia.org/wiki/File:LaCrosseCountySignI90.jpg (note the pickup truck)

The east: https://en.wikipedia.org/wiki/File:I-90_west_in_West_Seneca_... (note the traffic)
Reaction of the kid in the movie trailer
I think that Amtrak gets priority if they're on schedule. But if they're not, the "hole" in the freight traffic may be gone. At that point the freight railroad will do the best they can for Amtrak without bringing the rest of the railroad to a halt.

But that's just my amateur understanding of the situation...
Those sound a lot easier to fix than releasing IP into public domain.
Looks fixed to me since 2013:

https://bugzilla.redhat.com/show_bug.cgi?id=319901#c98
I've taken this trip before; round trip between Chicago and SF for an Erlang course. It's so beautiful (at almost every point along the SF to Salt Lake leg described here) that sometimes after coming around turns, you'll hear the entire carriage audibly gasp in awe about the new scenery. Strangers talk to each other a lot - it feels as much like a ride as a trip.
the photo of downtown Denver was taken from the Denver Museum of Nature and Science, looking across Ferril Lake. I have a 60x40 print of a photo my brother took from the same spot [0] hanging on my living room wall.

I was a little surprised he spent 2 days in and around Denver, but didn't post any photos of Red Rocks [1].

[0] https://instagram.com/p/3Rvfxvo6Ye/?taken-by=gerry_darrow is a slightly-cropped version.

[1] http://redrocksonline.com/about/photos
That'd be fairly difficult under El Capitan as long as the user hasn't disabled rootless (even su/sudo can't modify system files with rootless on). Not sure about the signing part.
I agree. That uptake website needs a lot of work. What the heck is that?
Glad someone else noticed this. I kinda glossed over it at first, then read it again and broke it down thusly:

1. Our footprint is a big advantage today (presumably this means more reach).

2. We want to make that advantage bigger.

3. Therefore we are reducing our footprint.

At first it sounds like an outright contradiction. But it does make sense, in a very convoluted sort of way. The advantage of having broad reach will be increased by exiting those markets that are losers for them, because the (still presumably fairly broad) range of markets they're staying in will be more profitable overall. But it would have been much simpler to just say "We're exiting a handful of smaller markets where we aren't leading or growing, focusing our efforts where they're doing the most good." But I guess you can't say that these days.