skysight-inc/HackerNews huggingface dataset:
Let's be a little more helpful: the sample size is small relative to the feature space. We even have more variables than observations.

A sample of 43 observations might be reasonable if there were few independent variables and these variables had relatively few possible values.
Actually it's even stronger than that. There was no instruction to follow the line, it's just an assumption something that comes naturally which is why it is such a pernicious thing. The quote is a warning against having your thoughts and actions guided in a predetermined direction even without you being aware of it.
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Thanks for finding those. I looked through the 2010 test and the essay questions specifically say "Use details from the passage to support your answer." Details, plural, meaning two or more. I'm not seeing essay grading instructions, but I'm leaning towards thinking this is a bit overblown.
A few things:

- How can I see the questions I've asked?
- Why aren't the questions I've asked not appearing on the askee's profile?
- Is there a person discovery after the initial one on sign up?
- What features are coming up next?
PEC 5th Class Result 2012
PEC 5th Class Result 2012
Then there's how us old farts blog:

vi something
...run script to maybe apply template, regen indices...
...preview locally in browser...
...maybe edit again...
...run script to upload (if want to "publish"), commit to VCS, etc...

no fancy codebase needed. no web framework, no local web server, no reinventing the wheel, etc. and the same tools used above to "blog" are also used to do lots of other productive things, so leverages the same skill set, exercises the same muscle memory, and more future-proofed.
Especially successful ones.
I was actually looking for something like this recently - this look great! I'll definitely try it out with my son when he gets a little older.

One feature I would love to see is the ability to set time limits on gaming - like you can have 1 hour of playing games per day, or 5 hours per week. I've tried looking around for apps which would do that and there is nothing good.
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This is a good list. The lack of decent sugar for tuples makes them very annoying to work with and situations demanding two or more dependent return values are the one place where my code looks nasty and is difficult to follow (unless I create a class specifically for the return type, which I usually end up doing).

By numeric type do you mean a type implementing numeric operations? I agree, it's weird they haven't just whacked an interface on that.

And when are we getting an "unless"? It's way more readable than "if (!(some complex condition))".

Oh and null coalescing with member support. "y = x != null ? x.prop : value" is way too verbose.
Why I'm not supporting OS X
Show HN: App to setup permanent redirects so people can still find your content.
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You're talking to Yehuda Katz here. Yes, he has worked with Firebug.
While it is ridiculous, your comparisons are also a little ridiculous. Product similarity is a large part of whether something is trademark infringing.
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Actually, as a parent, with a small child, who has experimented with giving him my phone to play with, I feel sorry for any young kid who doesn't use it.

The default android environment, provides all sorts of complexities that land up just frustrating kids. For example some games display adds to install other apps. Because young children's motor skills are not as good as adults, they occasionally land up clicking them, which takes them to the app store. They then click around randomly until they eventually get frustrated and give the phone back to me to 'fix'.

Under Kyte, it seems they wont have access to the app store, so this particular annoyance will be stopped.

Fundamentally though, Android just isn't designed for small children, with limited reading skills and poorer motor skills and it shows up in a whole number of places.
The scaling problem may be addressable by having older students evaluate younger students' work: there should generally be about the same number of each. You'd need to solve some other problems as well but that is a start.
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شهد قضاء الرفاعي اليوم 23 آذار 2012 احداث اجرامية منقطعة النظير واعمال اجرامية بربرية مسيسة من قبل الجهات الدينية المتنفذة والتي قادتها الجهات الدينية الانتهازية المتنفذة ، ومن الملاحظ ان القوات الامنية وقفت موقف المتفرج ازاء تلك الاحداث الاجرامية بل ان البعض منهم ارتدى الزي المدني وقام بالطعن بالسكاكين لأنصار المرجع الديني العربي العراقي السيد الصرخي الحسني دام ظله الوارف وضربهم بالهروات والعصي والحصى وادمت الكثير من المؤمنين المحتسبين ، حيث قامت القوات الامنية بدهس مصلي الجمعة بسيارات الشرطة وسيارات البلدية وملء الشوارع بالماء العكر كي يمنعوا المصلين من تأدية صلاة الجمعة التي اطلق عليها (جمعة ظلم المرجعية العراقية العربية .. هتك للقوانين ومخالفة دستورية) بعد ان ضربت طوق امني حول المكتب المحتجز لمنع انصار السيد الحسني من اداء حقوقهم المكفولة . وعلى صعيد آخر قام نفر ضال من اهالي الرفاعي بالتجمهر امام المصلين ورشقهم بالحجارة والطابوق فضلا عن الكلمات النابية والاعتداءات الجسيمة التي يندى لها الجبين والتي هي خارج اطر الدين والاخلاق ، ومن الواضح سكوت الجهات الدينية التي امرتهم بذلك وحرضت الجهلة والرعاع منهم بإبتزاز المؤمنين وإهانتهم ، ومن الجدير بالذكر ضرب الشيخ محمد الهلالي إمام جمعة الناصرية واردوه مسجى واعتقلت قوات الشرطة الجرحى واعتدت عليهم في مستشفى الرفاعي ومنعت اي شخص من الدخول عليهم .ان الموقف المتفرج من لدن الحكومة المحلية في ذي قار وهم يشاهدون المجرمين والارهابيين يعتدون على انصار المرجع العراقي العربي السيد الصرخي الحسني دام ظله
At some point a few years ago I decided to move my blog from being hosted on wordpress and a custom domain, to being hosted on github pages with jekyll.

While I was quite happy to use http://vertis.github.com for all new posts, I needed to redirect the old posts to their new home. This was made more difficult by the fact that the paths generated by the two blogging engines were slightly different.

So I created a simple rails application that would allow me to specify mappings and have the correct redirect occur.

Recently, I added an administration interface, so that anyone can use it to migrate from one domain/system to another.

It's still kind of new, and a MVP, but I hope someone will find it useful.
http://theicebreak.com / http://itunes.apple.com/us/app/couples-better-relationships/... is a similar app that we launched a few months back.
Haha, what can we say, we're just that flexible. ;)
The Esteemed Great Leader pg might say, or rather he did say in http://paulgraham.com/hs.html which I'll just quote:

"Rebellion is almost as stupid as obedience. In either case you let yourself be defined by what they tell you to do. The best plan, I think, is to step onto an orthogonal vector. Don't just do what they tell you, and don't just refuse to."
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Halon 1301 is the gas that used to be used which was banned in the 90s. Most inert gas fire suppression systems use HFCs or Ketones now and have a ten minute hold time. They work by displacing the oxygen and reducing it to <10% which is not enough to support flame - or life.

In '86, I was in a data center that had expanded to take up 70% more space. During the expansion, emergency lighting hadn't been put up. During expansion, a 470 volt three-phase line had been put in, the insulation had been stripped off while they were pulling it through the conduit. As it heated up, gas or vapors from the melted insulation built up and the 1/4" thick conduit was ripped open with roughly an 8" hole and an explosion people on the first floor heard (computer room was in the basement).

One of the operators panicked, tripped over the anti static carpet, ripped the Fire Suppression box off the wall and pulled the Halon. He stumbled out the automatic sliding glass doors and hit the EPO leaving the data center completely dark with me about 120' from the door in pitch black.

I had walked those corridors between the drives hundreds of times, but, had difficulty finding the path. Time was running out, so, I stood on one of the minicomputers, moved one of the drop ceiling tiles and stuck my head into the return air plenum and the Halon went off. It was noisy, sort of a giant whoosh with a low rumble and a very odd smell.

I don't know how long I stood there, but, it wasn't more than a few minutes before a flashlight was shining on me with a Fireman in full gear.

After that, we had emergency lighting and oxygen tanks throughout and the Halon system was upgraded. When the tanks were refilled, they did the math and noticed that the amount of Halon we had wasn't enough for the expanded data center and probably wouldn't have extinguished a fire.

Most humorous moment - seeing firemen walk through the data center with axes in hand looking for fire.
If cost/transistor continues to not improve, industry-wide, it spells the end of Moore's Law, at least for mainstream applications where cost is a primary factor.

However... where size itself (and power consumption) are the primary factors, there will be demand. Which means that SoC GPUs will adopt new process nodes more vigorously than video card GPUs. http://www.embedded.com/electronics-news/4304118/Imagination... Sounds like disruption.
I wouldn't recommend the affair one but, I'm replying to this because regarding the last one:

put "127.0.0.1 news.ycombinator.com" in your "/etc/hosts"

You don't even need to do that if you don't want to completely ban yourself from HN (especially as this site runs on several domains) you can just edit the "noprocast" to "yes" and edit the maxvisit:	and minaway: times from the standard 20minutes and 180minutes to help you to be more productive and stop procrastinating.
>Grading essays is what teachers do over summer vacation

One of the few perks of being a teacher is the extra vacation time compared to the rest of us. Cutting into that, with the typically already-poor wages, doesn't seem like a good plan.
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Great questions.
hi instakill, person/content discovery is a major feature we are working on - it'll probably be out next week. Regarding why you can't see you questions on askee's profile - the askee may have made all unanswered questions invisible (you can do that too in your settings page) or deleted your question. Right now there's a short text under the "ask" box that explains it - we should have made it more obvious.
Thanks for your fascinating comment.

Unfortunately, all the excuses in the world don't change the fact that these tests hurt education and hurt children. The production of these things is a shameful act.

I thought the tests we had in the UK were bad, and they are, but the US obviously has a far greater problem. I hope this changes, because you are hurting your children and damaging your future.
And what are the evidence of VM based isolation have more security?
I'm guessing you're being downvoted because you're calling people retards because of what you perceive to be a poor design, when in reality they've done exactly what you've said, you just don't realise it. Which makes your "incompetent idiots" remark rather ironic and gave me a good chuckle. For the competent, or consciously incompetent:

1. ASP.NET MVC implements customizable routing, like pretty much every other modern web MVC framework these days. The routing library can actually be used in old school ASP.NET Web Forms applications or your own raw ASP.NET application, if you like; it is not ASP.NET MVC specific.

2. The default route in the code generated as part of the "ASP.NET MVC Web Application" template project in Visual Studio maps routes as follows: /{controller}/{action method}/{id parameter}. There's nothing stopping you from (a) changing this in the generated source code (Global.asax.cs) or (b) generating an EMPTY default web application without the code at all and zero routes pre-defined.
1. Chrome (even though I only use it to see if websites display properly in it)

2. None. Although, at a push I'd say their Self-Driving Car research.
Thanks rdl! Credit to gschmidt who suggested this feature
Bats All, Folks The Epic Fail of the Worst IPO Ever
> ... that x86 wouldn't scale

The ACE Consortium formed in the early 90s picking MIPS as the chosen processor and included Microsoft and SCO.

http://en.wikipedia.org/wiki/Advanced_Computing_Environment
Please don't be so defeatist. The US education system is horribly broken. Maybe the chances of it ever being fixed are low but I hope people continue to try.
Press release from BATS:

Dear Member,

At 10:45:26AM ET, a single matching engine handling symbol range A-BFZZZ encountered a software bug related to IPO auctions which rendered open orders in this symbol range inaccessible. BZX Exchange sent notice at 10:48:41AM ET that BATS staff was investigating system issues in trading of symbols in the range of A through BFZZZ. Additionally, the IPO auction for securities of BATS Global Markets, Inc. ("BGM") did not successfully print and continuous book trading of BGM stock on the BZX Exchange system did not begin as expected.

BATS immediately requested all quotes in the affected range for BZX Exchange be removed from the consolidated tapes. Around 11AM ET, the BATS Trade Desk noticed BYX Exchange was continuing to witness crossed markets from stale quotes in UTP symbols on the BZX Exchange. BYX Exchange declared Self Help vs. BZX Exchange at 11:07:04am ET and again contacted the UTP SIP to pull quoting for symbols in the affected range. BATS confirmed the UTP SIP successfully pulled BZX Exchange quotes at 11:27:01am ET. The stale BZX quotes seen in BYX were the cause of three clearly erroneous trades in AAPL which were cancelled between 11:49am and 12:34pm ET.

Regarding the initial print of BGM stock, BZX Exchange submitted the IPO auction print to the consolidated tape at 11:14:18am ET.

Prior to noon ET, BATS staff notified members that the system would be available for trading all securities in the affected range except for BGM at noon ET. In connection with attempting an orderly reopening of the BGM stock, BATS staff communicated to members that it would shutdown trading for an emergency window period between12:40-12:50PM ET in order to deploy an emergency patch. BZX Exchange cancelled all open orders in this symbol range prior to the orderly shutdown and during this period deployed the emergency patch. The shutdown and commencement of trading in this symbol range was orderly and occurred at the communicated timeframes. BATS staff ultimately made a decision not to reopen the BGM stock. Once the decision was made, the original IPO print was cancelled, individual executions were broken for the day, and notice was submitted to all affected parties.

BATS expects all systems to operate normally on Monday morning and the BGM stock (symbol BATS) will not be trading.

BATS Trade Desk
913.815.7001
tradedesk@batstrading.com
www.batstrading.com/alerts
www.batsoptions.com/alerts
Good point. Even with a Bachelors in Computer Science, it can be hard to make the industry average until you have at least 5 years experience.
Hi duggan, it is somewhat buggy indeed. People/Content discovery is a major feature we are working on right now, it will be out next week.
He may not have been very eloquent, but he wasn't saying that Middle East temps reach 140.

(He was saying ME Muslims do x degrees without water, so 140 with water should be tolerable. X is anywhere from 90 to 120+ in certain ME countries).
if your IDE writes 30-40% of code for you it just means your language needs at least 30-40% more code than it should to cleanly describe the algorihtm. (not dissing C# here, just all IDE-aised languages)
Besides the fact that the scientists used trauma to retrieve their data, what a beautiful notion: collecting a memory at the tip of every neuron.
Thanks, deepkut! We'll play around a few alternatives to make the answer textarea look better.
Yes: in dry climate you lose water much faster, so you cool off. So you should not faint that fast.

But may be it was mostly due to stress...
If you're using Django, Haystack makes it trivially easy to set up a Solr index against your existing Django models.

http://haystacksearch.org/
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I agree: stress from handling emergency situation + physical labor definitely contributed.

But just 10 minutes of it still shouldn't have such serious effect.
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I think an even better policy is to let the browser prompt if the permissions that the extension demands are grossly above those required for its purported purpose.

It may seem like a hard machine learning problem, but it seems to me that one could catch the most blatant offenders easily-- changing background colors at \.facebook.com should not require the ability to communicate with malwarehost.com or the ability to read data across all websites.

Combine this with the fact that most extensions people install are not* malicious, and you already have a decent training corpus (to treat this as a one-class classifier)

Edit: escape characters
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If I'm not mistaken, humans can live in 100F dry air non-stop (with enough water to drink, of course). 100F is about human body temperature.

Could it be that hot datacenters have some poisonous gases evaporated into the air?
If you're going to submit humour to HN, it should be better humour than this. Flagged.
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IIRC, yes, at least for AT&T's LTE -- HSDPA (and HSUPA, HSPA+, etc) will work just fine with a 3G SIM (since they're just souped-up 3G).
I'd be surprised if they had to.

A Windows Live login, like a Google account or Yahoo ID is tied to an email address. Asking for access for your personal email during an interview process should be obviously off-limits for even the most clueless companies. Among other things, your email would contain communications with other potential employers.
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Flagged. Those blooming circles are the blink tags of 2012.
Is it right to equate functional programming and determinism though? Functional programming implies a certain programming style / type of language, whose output is guaranteed to be deterministic if only pure functions are used. But they're not the same thing.
That's not strictly true -- they just won't unlock an iPhone. http://www.att.com/esupport/article.jsp?sid=55002&cv=820...
cd examples

java -jar start.jar

docs:
http://wiki.apache.org/solr/
The real beauty of Python is the fact that it is easy for beginning programmers, yes, but it has also a lot to offer for experienced coders concerning all the advanced things they might need.

It's no accident that services like Dropbox[1] or YouTube[2], both arguably very complex systems, are relying on Python as their language of choice.

[1] http://blip.tv/pycon-us-videos-2009-2010-2011/pycon-2011-how...

[2] https://www.youtube.com/watch?v=G-lGCC4KKok
I would love to hear from the people who voted for Rexx explain what they are doing with Rexx - I am really curious.

A few years ago when working for a bank in Germany I had to learn Rexx but only for some extremely unsophisticated stuff - so I am asking: What are you doing with Rexx and what makes it your favorite programming language?
Avoid collecting potentially sensitive information in the first place, if at all possible.

Collecting and retaining the least possible amount of information about users is good security; it's just bad commercial practice. It also protects your users in case you go out of business and end up sold (or pivoting) into a non-privacy-protecting business model, like what happened with Rapleaf.
Try something like http://www.globalsimcard.co.uk/index.php or http://www.roammobility.com/sim-card , one SIM that automatically goes local whichever country you are in.
Scholarly Authority in a Wikified World
-- Am I going to be "on call" nights and weekends, even a few a month?
Same here, golang is my day to day language of choice now. The very large project I've just started I've selected Go! for.
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Isn't Redis still single-threaded for queries, but saving in the background? That seems a little risky: you've got your 100 million users setting bits in your bitsets and suddenly everything blocks for 10 seconds while old data is being loaded from disk.
A suggestion: Make a better (cuter) icon. I scrolled right past it in the app store search results because it looked like a spam app. Now that it's installed it looks like a server remote control control app or something.
As a replacement for the university, I think this is actually moving in exactly the wrong direction. We've already tried more centralized education (e.g. standardized testing), and it doesn't work. The quality of education any given student receives is proportional to the level to which that education can be personalized to match their interests, abilities, learning styles, etc. Decreasing faculty-student ratios means decreasing personalization. It's just a losing proposition all around.

This sort of system seems more like a replacement for the textbook to me. Traditional textbooks serve the purpose of giving both the instructor and students in a class access to the knowledge of the experts on a subject. This is simply a more interactive way of getting that expert information. Then the personalized part of the education can kick in and not have to worry about helping students memorize basic facts.
fasting includes no water either

One of the strongest principles of Islamic law is that necessity overrides prohibition. If you're working outside in severe heat and becoming dehydrated, you're allowed to -- and arguably required to -- drink water, Ramadan or no Ramadan.
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I hope the data center owner had to pay a hefty fine for almost killing you.
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They don't really work at the type system level, but Code Contracts (http://msdn.microsoft.com/en-us/devlabs/dd491992), though quite verbose, may be used to achieve that to a certain degree. The integration with Visual Studio is decent and the documentation is great, but they are designed to provide a whole design-by-contract framework which may be an overkill.
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