skysight-inc/HackerNews huggingface dataset:
So I can't be the only one who has noticed the correlation between this and the field at question. As soft sciences like soc, psych, and medicine seem to have the most problems with it. I'm not saying hard sciences like physics don't, but it is less common.

The math for the soft sciences isn't as concrete and doesn't provide a good foundation. I think there are also major problems with the use of p values. It is too easy to manipulate and a lot of incentive to do so. Teach a science class (even the hard sciences) and you'll see how quickly students try to fudge their data to match the expected result. I've seen even professionals do this. I once talked to a NASA biologist who I was trying to get his chi-square value and took a little bit of pressing because he was embarrassed that it didn't confirm his thesis (it didn't disprove it though. Just error was large enough to allow for the other prevailing theory). As scientists we have to be okay with a negative result. It is still useful. That's how we figure things out. A bunch of negatives narrows the problem. A reduced search space is extremely important in science.

The other problem is incentives in funding. There is little funding to reproduce experiments. It isn't as glorious, but it is just as important.
No, I'm just addressed the analogy of jet airplanes and pointing out those are tightly controlled.
I understand that current rocked are very tightly controlled, my point is just that any sort of interstellar rocket would be much more dangerous and thus have to be subject to much higher controls. A ship that was capable of reaching a significant fraction of light speed would be the most dangerous weapon ever created though, and existing controls might not be sufficient.
Neo4j with Scala: Rest End Points with AKKA HTTP
No, but Hailo can also handle the payments, so it doesn't matter if the driver's card reader is busted.

In a market like Dublin, Hailo is an ultra-efficient dispatch service. I call for a cab to a destination, and the drivers decide if they want that business. Of the ~7 weeks I was there, I only had one trip where it took me an extra 10 minutes to get a cab, and that was because it was pouring down rain.
Makes sense, except in practice. It results in rigged tests, poll taxes, and generally racist bigoted systems that keep some classes down. We don't have a 'one man - one vote' system in America by accident, but in response to a wide understanding of how prevalent such rigging was back then.
Yeah a lithium-ion battery that doesn't catch fire and may be able to double energy density from PBS Nova [1] though I don't think the clip talks about energy density.

1. https://youtu.be/m9-cNNYb1Ik
In the same way a block of wood is chock full of carbs but will provide no nutritional value (not quite the same way, but vaguely related).
There's flow batteries being installed today:

http://www.uetechnologies.com/18-news/articles/87-flow-batte...

8 megawatt-hours is big enough that it will provide meaningful information about operating one on the grid.

Tesla also has installed a megawatt hour scale system at a substation in California (using their lithium ion batteries).
Do responsive sites have to be so tall on mobile?
No more reboots?
I've seen something similar in my field - industrial automation and testing. When a company wants to upgrade their testers, the testers we create are usually much more precise when compared to something created 20-30 years earlier. Often we have to modify our testers to match the results generated by these old, barely working testers.These companies request us to do it simply because otherwise they would need to change all of its literature, and explain to their customers why the products have slightly different specs then what they delivered last quarter.

Unfortunately, Our society is built on rotten foundations.
Wow. I didn't see that coming. I've used Wix in the past for a couple websites and I enjoy the platform but I am curious how they will benefit from this.
Interesting article. I can relate to his dictionary investigations when I was confronted with being taught about "circular definitions". I couldn't get around (no pun intended) the fact that all definitions were circular.

This is what has led me to developing ibGib, which as I stated here elsewhere (https://news.ycombinator.com/item?id=13632500) that ibGib is heavily influenced by Goedel in that it uses a SHA-256 hash of an immutable datum to effectively be the Goedelian number of that datum. So there are four fields: ib, gib, data, rel8ns. The gib is the hash of the other three fields, which allows for integrity of the data, as well as allowing it to be content addressable since the ib^gib is the address. So it's a monotonically increasing data store that focuses on the process of defining.

So instead of "proofs" that imply an ontological/objective "truth", ibGib focuses on "the meta proof" that is the prov-ing process by assigning any "proving mechanism" a number (just as it assigns anything a number). This way, you are approaching paradoxes and the like as a process of economics and evolution of proving systems. This is like the "proof" that contains the peer review process that is doing the proving.
The second half of this article is what makes it most interesting:

Buettner, author of The Blue Zones: 9 Lessons for Living Longer from the People Who've Lived the Longest, says the people in areas around the world with the longest life spans stay healthy through moving naturally, rather than hiving off fitness as a separate part of their day.

"[Blue Zone residents] live in environments that nudge them into physical activity every 20 minutes or so"
Did you even read the article?
I've noticed that I have a tendency to not actually read articles posted here or on Reddit and instead skip straight to the comments. Does anyone else do this?

Comment sections are usually a mixed bag, but I always prefer a variety of opinions on a topic. Then if people are positive about the article I will go back and read it.
"When i walk all day i sleep 12 hours"

I wish there was some perma-link from:

- HN comment threads about insomnia (lightbulb colors, screen brightness, silly apps)

- HN comment threads about light to moderate exercise

It's amazing how simple the answers to these problems are and how close at hand those answers are ...
And one more thing: Apigee's (awesome) e-book is designed to help customers write APIs.

The Google Style guide is a guide we use (and have been using for years) when designing our own APIs.

(I work on the API team at Google).
>> Maybe it's just the section trying to cast doubt on the claim that she was feeling nauseous

She was feeling so nauseous that she couldn't finish the extra 1.5 miles all by herself but could bike the entire course to falsify data on Strava to double down on her cheating? Give me a break. The fact that she only recanted after all the evidence was presented to her about the depths of her cheating tells us all we need to know about her character in this instance. Positions of public trust bring with them public responsibility, and this is what it looks like, for better or for worse.
I bought the PDF. Looks great so far!
Yes I agree. It went beyond proving the simple facts of the case, into attempts discredit the runner's character in other ways.
Minesweeper implemented in SHENZHEN I/O
What you said is exactly what I watched on youtube.

But my question is about desktop app, is it true that any app could contain malware ? Even popular apps like Transmission have been infected, how about those that are not popular and the antivirus doesnt know about ?
We'll need a lot more storage and overcapacity than people think.

For example yesterday germany had a renewable fraction of around 50% throughout the whole day. Yay? Nope. During january there was a whole week where it was in the 0-10% range during the night and 5-20% during daytime.
That means we don't just have to smooth out daily variability but on the span of multiple weeks.

Of course that doesn't mean we need to store all of that in batteries or that we need to keep a whole shadow infrastructure of fossil/nuclear plants around. With enough overcapacity from renewables we could also produce hydrogen and store that for example and run it through fuel cells or gas plants when needed.

But that still means that a bunch of smartmeters won't fix the issue, we'll need real infrastructure to handle that variability.
Announcing cucumber-electron
wont an easy fix be to just hash it again with sha256? Sure that will take time to bake it into software, but wont they just be able to put a text label next to the description and say "sha256: abc...123" ?
Math for Marketers: Quadratic Trendlines
> And you're talking about premature optimization.

Why premature? And why should a basic library be deciding if they are premature or not?
I am using Linux only (and most startups do that too).

> We're barely out the gate with 1.0 and you're optimization how a file is touched.

Sorry, who are "we"? I am discussing using .Net in context of all startups, not some particular one. What if my product is entirely about sending files? Or anything else where some Linux specific feature can make a big difference in performance, convenience or ability to share code with other people who are also using Linux only?

> An optimization that would benefit very few people in the real world.

It was added to operating system. That means pressure to do so had to be pretty high.
And nearly all web framework on Linux are able to use it, so its no so uncommon as you may think.

> If you're worrying about perf when you're streaming a file out of Ruby or Python to a browser then you need to rethink what you're trying to solve.

Its not uncommon to stream files Python or Ruby never touched, just decided they should be sent. Its a perfect fit for this case, and performance of interpreted languages is not an issue here.

>It doesn't change the fact that right now, you can write a asp.net core web application on windows and run it on linux. For free.

Yes, you can. But you can not make full use of it. Which for me means that it makes no sense to use it there, when its competitors have no such issue.
At least when code monkeys copy-paste from Stack Overflow, there's a trace of common sense in the loop. Yes, it's possible to copy-paste your way to working software without having a clue. No, it's not a very good idea. How about if we shut these clowns down and use the money for research that has a chance of improving anything?
I've been programming python 15 or so years, and packaging seems very much a solved problem to me. I'm sorry its difficult for others, I just can't see the problem myself. I guess I understand them all at this point, and it all seems easy... pytest and tox is a dream. It's so quick, I can modify some code and switch to my test window, and I already have the results... It is not unrealistic to author several thousands of lines in a single day, its just so freeing to make a thought into code so quickly.

Only programming Scala for one year, and it has been so depressing that it is beginning to affect my mental health. Mostly around sbt -- inconsistent incremental compiler issues, having more than one sbt causes a lock file I can't avoid, and even if they succeed, I get corrupt class files, so down to the one... and then getting inconsistent coverage report results, running all of the tests all over again because the report is no longer accurate, sbt and scala compiler are so dog shit slow that I'm back to "making tea" and "making sandwich" time during the edit & test cycle. Waiting just two extra seconds can interrupt a flow, waiting 12 minutes and you've lost it entirely.

Having worked with 20 or so languages professionally, this is probably the least productive I've ever been in my career.

Scala seems mega-boss hard.. please tell me it gets better
This is because git adds a header and zlib compresses the PDFs such that they no longer collide when stored in git. But of course, they still collide when extracted from git:

$ ls -l; for i in 1 2; do sha1sum < shattered-$i.pdf; \
git cat-file -p $(git hash-object -w shattered-$i.pdf) |
sha1sum; done; find .git/objects -type f -print0 | xargs -0 ls -l
total 1664
-rw-r--r--@ 1 jay staff 422435 Feb 23 10:32 shattered-1.pdf
-rw-r--r--@ 1 jay staff 422435 Feb 23 10:32 shattered-2.pdf
38762cf7f55934b34d179ae6a4c80cadccbb7f0a
38762cf7f55934b34d179ae6a4c80cadccbb7f0a
38762cf7f55934b34d179ae6a4c80cadccbb7f0a
38762cf7f55934b34d179ae6a4c80cadccbb7f0a
-r--r--r-- 1 jay staff 381104 Feb 23 10:41 .git/objects/b6/21eeccd5c7edac9b7dcba35a8d5afd075e24f2
-r--r--r-- 1 jay staff 381102 Feb 23 10:41 .git/objects/ba/9aaa145ccd24ef760cf31c74d8f7ca1a2e47b0

See "Object Storage" for details at https://git-scm.com/book/en/v2/Git-Internals-Git-Objects

It's worth noting that either of the changes, adding a header or deflating the content, would remove the collision. The former because this is a chosen-prefix collision attack, the latter because the compression alters the content entirely.

I'm not a cryptographer, so I wonder: do the git header and zlib compression add significant complexity to manufacturing two files that collide inside git?
Why do you think the game is complex? Fairly simple game with low barrier to entry which is great when you invite guests over for games. Super Simple Button Mash!
Neural Network Learns to Synthetically Age Faces, and Make Them Look Younger,Too
I did about 500 miles on the AT. I found that my miles per day were dramatically better when I upped my calories per day from 3000 to 4000. But then I wasn't losing any weight (although I was certainly gaining leg muscle mass).

I went back to my pre-hike weight and then some within a few years afterward.

I do think if you've got the time and inclination, a thru-hike is a lovely way to lose weight temporarily!
I specifically chose those words for their generous effect.
Ah. So "it's easy to draw what appear to be the circle segments, but aren't".

You see when he said "the circle segments" I thought he meant "the circle segments" instead of "straight lines that do not belong to the circles we were discussing earlier".
> there haven't been any wars on US soil for ages

I think, to be meaningful, Pax Americana must refer to an "empire" larger than the territory of the United States. There hasn't been a war in Western Europe since 1945; the longest lasting war in South America was the Falklands War at 74 days.
You mean by pointing out another race a few months ago where she ran another half-marathon but pictures show that someone else finished the race with her bib?
Surprised every time I'm in the US and see commercials for drugs and procedures that are administered by doctors being directed towards patients with the ending "ask your doctor about xyz".

I'm fairly sure this kind of thing ends up with patients asking/pressuring doctors for treatments they don't need.
If you can still, edit/remove the presumption of falsification and your argument has merit. I too percieve group think in climate change narratives, while not necessarily disbelieving the data. We are wrecking our environment, exact detrimental effects are still uncertain.
If you are unused to it, this sort of thing is a real shock to the system, but your body is more adaptable than you might think.

On the other hand, there are limits. Some of the scenarios discussed int this thread (distance races for time, SF training, etc.) are causing damage to your body that will require recovery time - and the longer you go for the more recovery you will need. Other levels of exertion seem extreme to us from the point of view of a mostly sedentary life, but if you manage the sleep and diet stuff (a bit better than a typical thru hiker does), you can handle medium-high level physical exertion (e.g. 8 hours hiking) basically indefinitely.

I've done multiple 1000km bicycle rides (with full gear) at a similar pace that, once you are settled in, feels a bit just like routine. On the other hand I've ridden distances on a single day or weekend that knocked me out for a week afterwards. It's all in the balance.
Here's a semi-random blog post with a handful of examples[1]. Generally speaking European countries are much quicker to approve most drugs and tend to have better health outcomes on average even though you can point to individual disasters like Thalidomide. But on the other hand beta blockers were available in Europe about a decade before they were in the US and would have saved about 10,000 lives a year during that time.

[1]http://www.advicegoddess.com/archives/2017/01/11/the_fda_pro...
No, a commit is not the SHA-1 of the diff. The fundamental object model of Git does not store diffs, it stores the actual state of the source tree as represented by a commit. For instance, here's a commit file [1]—

$ git cat-file -p fdf4fc3
tree d8329fc1cc938780ffdd9f94e0d364e0ea74f579
author Scott Chacon <schacon@gmail.com> 1243040974 -0700
committer Scott Chacon <schacon@gmail.com> 1243040974 -0700

first commit

A commit object just points to the tree object (in turn, another SHA-1, this time of the complete directory listing) and other meta information such as author name etc.

[1] https://git-scm.com/book/en/v2/Git-Internals-Git-Objects
> For instance, you can multiply by 8 by doubling three times. So instead of trying to figure out 12x8, just double 12 three times: 24, 48, 96

This can be more generally thought of as using exponentiation.

12 * 8 = 12 * 2^3

Using the more general rule, again.

12 * 9 = 12 * 3^2. Or 12 * 3 * 3.
Looks like a typo. They might have been referring to sucessful cryptanalysis of SHA-1 which seems to have started around 2005 https://en.wikipedia.org/wiki/SHA-1#Cryptanalysis_and_valida... or maybe the BOINC project to create a collision, which did start 10 years ago.
The Death of the Commercial Database: Oracle's Dilemma
on a related note, anyone know a good saas for api documentation? preferably one that could take jsdoc imports or other code based generated docs...
Tracking my movements on the football pitch with Fitbit
I raced Tour Divide in 2015 too (21 days), slept an average of about 5 hours a night, until New Mexico, which I rode the entirety of on 5 hours sleep. I was utterly destroyed by the end of it. I went from 78kgs in Banff, to 69kgs in Antelope Wells. My resting heart rate was already low (around 45) by the end it was more like 35.

Agreed with other comments on here, the thru-hike is a totally different situation, and 8 hours a day hiking is half the time I was on a bike probably.

I'd love to do it again!

He's the strava activity https://www.strava.com/activities/341380125
I'm comparing Lyft Line and Uber Pool.
https://news.ycombinator.com/item?id=13713953
Why would they want to skew posters narratives? If the entire point of comment additions to outlet sites being to increase retention and engagement then ideal/belief 'conflict' is exactly what they would want.
Well, maybe they could not run the full experiment, but maybe they could audit the source code of the computation you ran, maybe just a small subset of the computation on for example a synthetic smaller dataset, that could maybe be used to test whether your computation works like it should.

Did you think about the replicability of your research while you were working on it?
Visualizing the Coverage of Deaths in The New York Times vs. Actual Death Data
Ask HN: Do we regret forcing designers to learn to code?
This sounds a reasonable answer.

If you can't do science in that environment, then it's not scientific because you can't control all the variables.
A command line script to remind you to drink water
The conventional wisdom in the auto industry now is that in a few years any vehicle without good level 4 autonomous technology won't be salable. There's not much point in scaling production if your sales fall off a cliff in 10 years because GM or Daimler beat you on the technology side.
Hollywood's Greatest Trick
A watch that tells you when to shut up
So what is the subconscious mind
I remember (from building a sentiment analysis irc bot[1] back in the day that used the afinn wordlist) that sentiment analysis is effective because robots can do mid-70%-accurate classification, but humans only agree around 80% of the time on 'positive/negative' classification.

So I always wonder, if simple models like the afinn wordlist work at close-to-human levels, how much total value is added by the more robust model. Still very cool!

---

[1] https://github.com/mrluc/cku-irc-bots/blob/master/feelio.cof... - included the following line of code, which is a coffeescript crime but also a cute sentence:

if i_feel_you then @maybe @occasionally, => say i_feel_you
How the BBC Made Planet Earth II
NB: The point of things like that is to explore failure boundaries, not a sustainable activity level.
I am surprised by the new, gentle and forgiving approach of the crowd towards this runner here. It contrasts drastically with some attacks I see here against some politicians or corporate leaders when they fail to meet the HN-echo chamber standards.

Also, isn't this what the media usually does? Find dirt and expose it, damn the consequences to those involved?

Damsel in Distress?
C Hypertext Library – A library for writing web applications in C
I'm not arguing for intervention at all. I arguing against lobbying. Lobbying makes a market non-free, you know, when voters have to save an investment bank that is too large to fail while said bank cost them their jobs and their house. Such things can only happen in a corrupt society. I'm not claiming to have the solution I'm merely claiming that we should decouple politics from the wealthy and recouple it with everybody else.
> It's also a total dump. Very disorganized 3rd world country. Thailand in contrast is an order of magnitude more developed, especially Bangkok.

> before you all go Woah, Nepal is so awesome

I am curious what triggered you to write such a negative comment. The article did not give me the impression of a nationalistic rag or a puff-piece trying to hide flaws. Rather, just as the title says, it is about "Remote working in Nepal: What it’s like now in 2017". The author gave useful and balanced descriptions and comparisons as far as I can tell.

I've never heard someone intelligent dismiss an entire country as a "total dump", let alone a place that's well known for scenic views like Nepal. Even a novice traveller knows that developing countries have infrastructure issues like trash management and that one's quality of life will not be equivalent to Palo Alto. That said, even our own "premier" cities have spots that are trashy. Heck, it wasn't that long ago that Coyote Creek near San Jose was pretty much a dump. I'm curious what useful data you wanted to contribute to the conversation.
This is bonkers. The idea that someone hearing you and being required to testify against you violates the first amendment is ridiculous, so why should a device be different from a person?
Photography shop business
In reality it means Wind and Solar really aren't suitable yet to take a significant part of the power supply in Europe.
yes, but it doens't stop novices from doing it, or perhaps if you have existing code you are trying to parallelize.
Marcus Einfeld comes to mind. A formerly well respected Australian judge who perjured himself over a $77 speeding ticket by blaming it on dead Americans and received 3 years in prison for the string of lies he told to trying to cover it up. Madness. https://en.wikipedia.org/wiki/Marcus_Einfeld#Criminal_convic...
> How am I going to explain this to my wife?

I don't know. What's your wife's background? If she already knows what one-way functions are, you could just explain that we've found collisions for the first time in an old one-way function that was used for file authenticity but isn't used much anymore because we knew ten years ago we were probably going to start finding collisions in it.

If she doesn't know what one-way functions are, it seems like something that could be explained with examples to an average person who was interested in learning?