skysight-inc/HackerNews huggingface dataset:
x not being used at all can be caught by a simple unused variable warning.

In this situation, the variable's value was used somewhere, so that didn't go off.
> Why are we objectively the best for anyone?

Gah... I hope that has never been an actual question. That's terrible.

From http://www.admissions.upenn.edu/apply/whatpennlooksfor/essay...

The current questions on the common app are:

Common Application Essay Prompts for 2016 - 2017 (250-650 words)

1. Some students have a background, identity, interest, or talent that is so meaningful they believe their application would be incomplete without it. If this sounds like you, then please share your story.

2. The lessons we take from failure can be fundamental to later success. Recount an incident or time when you experienced failure. How did it affect you, and what did you learn from the experience?

3. Reflect on a time when you challenged a belief or idea. What prompted you to act? Would you make the same decision again?

4. Describe a problem you've solved or a problem you'd like to solve. It can be an intellectual challenge, a research query, an ethical dilemma-anything that is of personal importance, no matter the scale. Explain its significance to you and what steps you took or could be taken to identify a solution.

5. Discuss an accomplishment or event, formal or informal, that marked your transition from childhood to adulthood within your culture, community, or family.

And the Penn-specific question is:

How will you explore your intellectual and academic interests at the University of Pennsylvania? Please answer this question given the specific undergraduate school to which you are applying. (400-650 words) *For students applying to the coordinated dual-degree programs, please answer this question in regards to your single-degree school choice. Interest in coordinated dual-degree programs will be addressed through those program-specific essays.

Have they changed since you last saw them? These all seem reasonable.
I read all comments unless the page has grown out of control. It's the articles in question that I don't bother to read - I depend on HNers to reveal what the article said. I have dead posts turned on too.
Airbnb Enters the Land of Profitability
> Please know that the majority of people in the US do not support this policy.

This seems to be false:

http://www.nbcnews.com/news/us-news/trump-taps-americans-war...

In the poll, 54 percent of Americans, including about three-quarters of Republicans, about half of independents and over a third of Democrats, said the United States takes in too many immigrants from the Middle East.

http://www.rasmussenreports.com/public_content/politics/curr...

Among all voters, 46% favor a temporary ban on Muslims entering the United States, while 40% are opposed. Fourteen percent (14%) are undecided.
I've found, on Slacks at least, that if you set an "all positivity no arguing" rule on a channel, then as long as there's some other channel people can use for that kind of stuff, the rule sticks. The same could go of a support group for first-time candidates: support and/or productive discussions only.
Comments are what make HN/Reddit (on certain subreddits) so valuable. It provides a means for well-educated communities to discuss topics freely and casually, and to aggregate a number of diverse opinions that would be impossible/orders of magnitude slower and more limited prior to the Internet. And the format is much more appealing than IRC channels or typical forums.

The links are only half of the equation (perhaps less, to me).
Off topic for hackers?
> you often get experts in their field

It's difficult to tell who is an expert in their field since it often appears that someone is an expert simply because a) nobody is able to refute them (and who knows the qualifications, at any given time, of anyone reading comments at that moment and b) they appear at least to know more than you do.

I am often amazed at the well written comments here at HN. But then again I have often no clue how correct those comments are.
"NationBuilder CEO brags that his platform helped Trump win": http://www.nationalobserver.com/2016/11/18/news/nationbuilde...
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The people in charge use algorithms for hiding "controversial" threads. Controversy is bad for business and this is a business, regardless of how 99% of us use this forum.
I can identify with how you feel because several years ago, I was in the same boat. I am generally averse to making promises, but in this case, I will make you one. This will get better.

Anxiety is an absolutely horrible affliction and panic attacks are my personal definition of hell. The troubling part is that I understand how you feel. When panic attacks were part of my life, I often contemplated putting an end to everything. It wasn't that I hated life...it was that I hated the circumstances under which I had to live life.

However, don't hate yourself. You were brave and intelligent enough to listen to your body. Your body screamed at you to stop and you listened. Be proud of yourself because frankly, lots of people like you don't listen to their bodies and die of heart attacks when they are in their 30s. Or, they don't listen to their bodies and develop addictions to alcohol or heavy drugs. You listened to yours and you started the path to getting better. Let time do its work because frankly my friend, this is going to take time.

And please, don't kill yourself. I know that this job may seem like the be all and end all, but I promise you that it isn't. There are more jobs out there, and if software doesn't do it for you anymore, there are literally thousands of different careers out there.

I believe in you, so I know that you can get through this, but you may need some help or, at the very least, a kind ear. My email address is in my profile. Please use it - I will never judge you and will keep anything you say to myself, unless you tell me about a specific plan to kill yourself. Then, I am sorry that I have to say this, but I will do whatever it takes to keep you from fulfilling that plan.

Be safe. You are cared about.
Running for local office is not in fact all that expensive at all!
My name is Jim Cupples and I work on RunForOffice.org

Thank you for the comments and suggestions. We agree with the comment on student governments, by the way, and would be happy to include them.

Anyone can email me at jimcupples@gmail.com if they like
Comments like this one, you're reading now, are really worth it.
Data Science Courses Tested and Evaluated
This site has extremely dense coverage for my Cook County elections, down to trusteeships I didn't know existed in the suburb I live in.
It's disingenuous to call this a "clock", given clocks keep their own time through a rigorous standard of counting the passage of precisely measured causality. While we may be "closer" to doom by some arbitrary consensus mechanism, only humans can choose the causality of enabling that final "doom" event, or putting it off for another day. Or, put another way, it ain't over till it's over.
When you're at 3 minutes, you can only subtract a full minute so many times without the clock becoming irrelevant.
This browser tweak saved 60% of requests to Facebook
Yes. I keep a five year journal [1] after it was given to me as a gift at a wedding I attended two years ago.

I had tried journaling before but a full, blank page was too much in terms of time commitment and stress I put on myself around it. This format gives 6 lines per day and feels easily doable.

Each page has 5 entries on it so you can read what you were doing on that day in previous years. Its nice to have a direct comparison to remember what you were doing last year and see how you have improved, fallen short, or stayed the same as well as remembering what you were doing then. More than once I have been reminded of a friend's wedding anniversary through this.

Totally recommend it, but keep it short and don't judge yourself if you miss a day.

[1] http://a.co/d3j0Pcj
References are crazy. There's no simple guideline to use them safely. Check this out:

const string& s = max<string>("a", "b");
cout << s;

Standard types and functions, const references, no warnings, everything by the book. But it crashes.

There's a similar can of worms related to slicing (treating Derived* as Base* is silently unsafe because arrays and copy constructors exist). C++ is scary.
Please give me a 32GB Ram option.

If not possible, please tell me why. :(
The character of the Iranian people is not based on politics du jour, or even religion for that matter. Our civilization has been around for a few thousands years and it speaks for itself.

[p.s.]

Here are the words of one of our noted poets. He was a ("scary") Muslim, living in 13th century. This is what he had to say and this is our creed:

Adam's sons are the members of the same body
Their creation from the same clay
Should one organ be troubled by pain
Others would suffer severe strain
You who are careless of people's suffering
Deserve not the name, "human being"!

[1]: https://en.wikipedia.org/wiki/Saadi_Shirazi
Negative and contrarian is the internet message board default. It still happens all the time on HN, but in my opinion there is often a prevailing attitude of constructiveness that other internet communities can't consistently emulate as well.
One thing that no one seems to talk about is how to actually determine "best" candidates.

Admissions officers at the most elite universities absolutely do take subjective factors into consideration. If they did not, they would end up with a lottery system choosing randomly from a pool "objectively perfect" candidates.
'Although the cases drew wide media attention in Britain, some researchers said that because the London team also gave the children standard chemotherapy, they failed to show the cell treatment actually cured the kids. “There is a hint of efficacy but no proof,” says Stephan Grupp, director of cancer immunotherapy at the Children’s Hospital of Philadelphia, who collaborates with Novartis. “It would be great if it works, but that just hasn’t been shown yet.”'

So the title is basically click-bait, as the treatment is unconfirmed.
How do you know "HN does"? Just because the story is on the front-page doesn't mean that. And even if the majority did know, what's wrong with someone who doesn't know asking for some context (where a Google search isn't necessarily easily going to provide that context)?
"America's foreign policy has been implemented well..."

I think that's debatable. The Russian "reset" of 2009 comes to mind; it seems like an abject failure from start (the intended Russian word for "reset" on the symbolic button was actually "overload", but nobody at State caught that) to finish.

I won't argue that, as with any senior departure(s) in other organizations, there is going to be some institutional knowledge vanishing. And that's never good.
I was actually thinking the same thing. Like it offered me the Attorney General position, but some quick googling shows me "...No person shall be eligible for election or appointment to the office of Attorney General unless he is a citizen of the United States, has attained the age of thirty years, and has the qualifications required for a judge of a court of record...". And I don't meet two out of three of those requirements.
An ex coworker of mine worked at walmart in the 90's. Internet wasn't widespread, so they'd do real time inventory tracking via satellite uplink, trucks would be loaded and dispatched with whatever sold.

Now days, it doesn't sound quite so interesting. Back then it was impressive. There's so much extra tech available to everyone now, it's not nearly as tough as it was then.

I'm not much of a walmart fan for various reasons, but that sounded like pretty darn interesting work.
Hmm, I must have been reading the wrong news for the past twenty years because I would swear that it is very common rhetoric from the left that the Republican party is the party of the racists. I also thought that very claim was made during the last Presidential campaigns by the Democrat candidate.

My bad.
The use of a "doomsday clock" as a measurement seems like such an anachronism that it's almost adorable.
I usually write a comment, read other people's comments and then read the article. In that order ;)

Jokes aside, I actually do tend to value the content of HN comments more than the actual links. Very often, only the comments are read-worthy and not the linked articles. Sometimes, neither are read-worthy. After browsing HN for years, things tend to repeat. Yes, we know C++ templates are turing-complete. Yes, we know IoT often has terrible security. Yes, we know depression and burnout are bad. Yes, we know functional programming is super awesome. It repeats over and over.

I only skim the top comments though (and maybe their direct answers) and I only visit HN when I'm bored. Hackernews makes me restless and unproductive.
At most a portion of the value of the building has been redistributed. Some of it has just plain been destroyed.

Also, capital in its undestroyed form can typically be used to extract value and make a profit. If that weren't true, there'd be little value and profit in building it in the first place.

For example, a building can be used to provide people warmth and shelter in exchange for money. That's why the owner desires to own it, and that's why the owner (or someone down the chain) is willing to pay other people to build it.
Launch HN: Voodoo Manufacturing (YC W17) – AWS for Manufacturing
Ahh I see that now, it still does take up a lot of real estate, and looks like a regular website ad link.
My name is Jim Cupples and I work on RunForOffice.org Thank you for the suggestions and comments.

I'm a politics nerd that likes local government, and believe it has dormant power for movements. I wrote a piece called The Bottom Carries the Top that explains my thoughts on that stuff.

Anyway, I agree with many of the comments and we think the university positions is a great idea.

If you like, feel free to email me at jimcupples@gmail.com or cupples@nationbuilder.com

Hope to hear from you
Hi Hacker News! I'm one of the co-founders of Voodoo Manufacturing (https://voodoomfg.com/) in the current YC W17 batch. Voodoo Manufacturing is an automated 3D printing factory capable of producing anywhere from 1-10,000 plastic parts in 2 weeks or less, at injection molding prices. The difference between us and other 3D printing services is that we use lower-end commoditized 3D printers rather than commercial or industrial machines. Today we have 160 MakerBot Replicator 2s. We started Voodoo because we believed these machines were capable of making high-enough quality parts and products for various use cases. Obviously we're not (yet) producing any high-performance parts for airplanes, etc., but we can make cost-competitive hardware components, and surprisingly we make a lot of promotional products (event swag, trophies, memorabilia, etc.)

Since launching Voodoo we've come to realize that traditional manufacturing is still really hard for most people and companies, and definitely falls short when you're producing parts in runs of less than 10,000 units. More than 3D printing, we're excited about the future of fully digital manufacturing -- going from a digital design to physical parts with virtually no upfront costs or overhead. Today we're cost-competitive with injection molding for runs of 1-10k units (the exact cross-over point depends on the part), but our goal is to reduce costs by 90% over the next 5 years, and thus become competitive for runs of up to 100k units. We also believe that 3D printing and other digital manufacturing technologies will continue to improve, from materials to machines, and so over time we'll become capable of producing high-quality and high-performance parts that can be used for more applications.

A couple of projects we've worked on include this current marketing campaign with Dixie (http://www.crushtomizer.com/) where they're using our API to submit orders to be manufactured and drop-shipped on-demand, and a pet-project where we printed a life-size body model in less than 24 hours (http://blog.voodoomfg.com/2016/06/10/a-life-size-human-model...). Today, we've worked with over 1,200 customers, from large brands to small startups, to help people make things that wouldn't be possible or economical with other manufacturing methods. We're excited about all the things currently happening within manufacturing, and are proud to be one of the companies trying to push forward and build a new type of factory, right here in the US.

We'd love to hear your thoughts on what we're doing, what you might want that we don't currently offer, or help you out if you have a project in mind. Thanks so much!
What is the difference between an immutable resource and setting the resource to expire in 10 years?

Many websites already do that, they change the URL each time the content changes.
I feel like we've all witnessed so much madness the past few years that we've become desensitized. Nothing shocks us any longer. This is worrying because it allows for gradual escalation until the inevitable.

(I think this is true regardless of political orientation.)
This is bad, but the alternative was worse: https://www.reddit.com/r/DNCleaks/comments/5945ho/hillary_ju...

[remember not to vote on Reddit if you land with an external HTTP Referer or you risk being banned for 3 days on the whole site for participating in a "voting brigade"]
> Although the cases drew wide media attention in Britain, some researchers said that because the London team also gave the children standard chemotherapy, they failed to show the cell treatment actually cured the kids.

Could someone explain what the process for proving it would be in this case? I presume some kind of animal testing?

Seems pretty immoral to give someone a wildcard treatment and not back it up with something known to work. Not disparaging this treatment but given we don't know if it works yet (and how aggressive cancer can be) it seems totally fair to administer it alongside chemo.
Doomsday vector clock.
> but used a coherer as a receiver detector, something like a primitive diode I think

From my understanding, a coherer was a radio-wave detector that used ferrite particles (in a small sealed glass tube, with wire at each end) that - when the radio signal was strong enough - would "stick together" and form a circuit; you can think of it as an RF-activated "reed switch" or relay. It was very crude, and not easily tunable.

Also - another interesting tidbit of info about early wireless: In order to generated the higher carrier-wave frequencies, they used special multi-pole alternators spun at high speed. Rather than only having a few poles, like a regular power generator, these RF alternators would use sometimes hundreds of poles. The RPM, multiplied by the number of poles, would determine the frequency of the output signal carrier wave. This was mainly used for telegraphy; I'm not sure if these machines had the bandwidth for voice. At the same time, they still produced a ton of power like a standard alternator - so it was essentially a way to generate "high power" (100s to 1000s of watts) RF (in the KHz ranges).

Another early technology of the time (used for a variety things - including motor control) was something called "magnetic amplifiers"; they are essentially weird variations on standard AC transformer technology. They can be made to act as audio amplifiers, as well as switches (like a vacuum tube or transistor).
Your email client is supposed to fix this restriction in a completely transparent way. There are a few standards for that, and you can bet every client supports all of them.
Show HN: Whalebrew – Homebrew, but with Docker images
don't use git commit messages as "dear diary" sort of things.

For example:

"I fixed the button issue on the homepage. Still, need to center the title."

would be better written as:

"fixes button issue on homepage"

Always think about what that commit does to the codebase. This is obviously for single-line commits. I suppose it would be okay to "dear diary" in the commit body. You can provide rationality or context in the commit body.
Although it can still be used as a bully pulpit and sometimes extract concessions by producing enough bad press or student anger, I think alas that a lot of what you mention in your last sentence has already happened. On the University of California Board of Regents, for example, students have 1 out of 26 seats, and in recent years are usually in the minority on votes, so the student representative is there more or less to cast a token protest vote against something that happens anyway. (The real power is held by a bunch of political nepotists, cronies, donors, and hedge-fund moguls who have no experience in education, and were appointed due to qualifications like "is Dianne Feinstein's husband" and "donated a lot of money to Arnie's campaign".)
This is related to the Chrome caching update; as discussed here: https://news.ycombinator.com/item?id=13492483

Two wholly different strategies, which has ultimately split how the browsers handle caching.
Yeah, something the military's Defcon scale seems more appropriate, if anything.
Many seem not to be aware of https://testpilot.firefox.com/
Advancing it by 30 seconds seems very similar to a parent who has made some threat that they never intended to carry through, counting 1, 2, 2-and-a-half, 2-and-three-quarters...

If you have such a long established tradition of using "minutes" as some kind of metaphor for upcoming doom, it doesn't feel meaningful to suddenly start talking about half-minutes.
That gun deaths cluster around guns, and ongoing violence. If you can avoid those you've chopped your risk greatly.

Traffic fatalities do cluster around roads, yes, but those are harder to avoid for the average person.

While the base numbers are roughly the same, for the tragic death of someone who could be you or me (ie not robbing a drug dealer, etc) traffic accidents are the more likely cause of death.

Also, a lot of the low-hanging fruit is taken care of with guns. My colleagues who keep guns have locking holsters(?) that mount under the dash, gun-safes at home, etc. To reduce the deaths by much you've got to approach the hard area of intentional shootings, and you need to realize that those are people trying to kill another - many of those deaths will be replaced with stabbings, etc.

Whereas every day I'm on the roads I see drivers setup to kill those around them while they blithely text away. (Guy in intersection waiting to turn right through the crosswalk, wheels cranked hard over pointing to the pedestrians, and on his cell-phone.) Further, if and when he kills someone, he'll get some pathetically low punishment and probably remain a driver.

Many traffic fatalities happen "near home" and to anyone, pedestrian, driver, passengers in the other car. There's a ton of actionable things we could do, such as just make driver's license renewal require a retest.

We remember the unique, so a gun death stands out. We stoically ignore the everyday, so V2 bombings and traffic fatalities quickly just become a thing that happens.