skysight-inc/HackerNews huggingface dataset:
Objectives of Literature Review Survey
Learn what are the objectives of literature review survey conducting?
"The FBI draft also contains provisions for requiring mobile phone customers to speak clearly and slowly."
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> I wish that there was something like bittorrent for servers.

Sounds like content-centric networking:
http://en.wikipedia.org/wiki/Content-centric_networking

It's currently a research topic.
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Is Twitter's tweet ID unique for all the users?
I think Twitter's tweet Id (Id assigned to individual tweet) is long. But as I was looking at the stats I found that twitter has around 177 million tweets in a month(2011, maybe much higher now). So by this all the unique combinations would not last long. So my question is 'is tweet Id unique for all the users or it is unique for individual users'. If it is unique for all the users how does twitter manages it?
If you're on rails try out the new gem I just wrote ... Bloggy! http://github.com/zbruhnke/bloggy
What could possibly make numbers friendly
http://mathema-tricks.blogspot.com/2012/05/what-could-possibly-make-two-numbers.html
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Minimal, clean, lots of white space... very European in design. I like the design a lot.
Looks good and up to date. Just the right amount of pages for a programming language book, IMO it shouldn't exceed 200 pages. Thank you.
You can't just sit down and start coding for your $150 or even $70/hr though. Here are some factors I can think of that change the calculation substantially:

- You have to take time and put in effort to find good contracts. Not all work is billable.

- You will probably want to be able to show clients an app you've already created. If you can make that app a $40k earner then you are in great shape.

- You will most likely have to be willing to put up with less fun and less flexible work for clients.

I think the $40k from 3.5 months of work is amazing and would be a no-brainer for a huge number of people. The big downside is the level of risk involved and the difficulty in duplicating that level of success.
With all the respect in the world for the great nation of China, I keep wondering why people would learn Mandarin. I mean, isn't it time we all go for a common alphabet and language? I'm French, I quite fancy my language, the culture around it and its sophistication, but it's about time we all focus on English. Let's make it as ubiquitous as possible, please. It's just so simple, flexible and expressive...
Scarcity is always a good recipe for profit. Too bad there are so few competitors.
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I made a GitHub Issue for a suggestion that might have helped you understand the videos to be videos quicker: https://github.com/github/gitscm-next/issues/47
Totally OT
Facebook's IPO Pricing Drops Zuckerberg's Net Worth To $15.5 Billion
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1) The problem that quantum mechanics has with consciousness is that you can connect macro objects (a cat) with the quantum effects on the quantum level (detector), so that we should actually observe quantum effects on macro objects. That's why Schrödinger's Cat is a paradox.

2) You can't really predict the future of a non-trivial closed system from within the closed system itself - no matter how you would "calculate" the future, you would never be able to include the state of your calculator/computer into the prediction (perfect compression does not exist). I.e., if I make a machine that predicts the future, I know the future, I can act to change it, so the future is different... and the machine does not predict the future, really.

In a way, the universe is the computer that is calculating its own future all the time.
First Rails app complete. Where to Next?
So this is the app I made in order to begin learning rails (and programming in general): www.cachette.ca. You will notice that it's basically a series of rails casts and various tutorials mashed together. The reason I'm posting it on here is to get some feed back and to ask where I should go from here. Please be constructive and feel free to point out anything noobish I've done!

I find I'm getting better at reading other people's code and mashing open source and tutorial code together while altering it slightly to fit my needs. I would really like to get to the point where I feel comfortable writing my own stuff from scratch. There's lots of things I would love to create but don't possess the programming knowledge(yet) to make them reality.

When did you get to the point where you feel like you can create anything you are able to dream up and how/when did you get there?

Based on the quality (or lack of) of my app do you think a web development firm would hire me as an intern? Is this a good route to go?

I really enjoy programming in Ruby and would like to shoot for a job as a ruby/rails developer some day.
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If sequences could be gappy, wouldn't the solution be just mapping fizz to 3, buzz to 5 and fizbuzz to 15? ( or multiples of those numbers, if duplicates aren't allowed )
Re 2: There should be an obvious qualitative difference between being able to predict where a ball will land if I throw it, and predicting who the passengers riding a particular train in 15 years will be.

Re 3: I was commenting on Roger Penrose's assumption that quantum must be "wrong" because it's "unintuitive" by expressing my opinion that I think quantum is more intuitive than deterministic theories. Indeed, Dr. Penrose and I are both using "wishful thinking," as did Einstein when he hypothesized that the speed of light is "constant in a vacuum." http://en.wikipedia.org/wiki/Speed_of_light#Special_relativi...
Not at all. It's pretty far-fetched to say that any link between policing and crime rates is illusory. It's certainly not the only causation, but it would be ludicrous to say they weren't related. It is rather ludicrous to talk about global warming and crime, unless you can come up with a truly plausible mechanism for it.

And I'm certainly not being contrarian either. I'm saying that the argument that "life went on" even when the government had no wiretapping ability, has no relevance here. You might as well say that life went on in the gulags in Russia. That's the point I'm arguing -- that "life went on" is not a valid argument in any context, because it's generic and doesn't address any of the actual issues.

Oh well, go ahead and downvote away... it's only numbers! :P
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Turkish LG Website Copies Developer's HTML – XSS ensues
On your own server, but stick it on a VPS in a different data center from the main site so that it's online when your startup isn't.
Read up on Snowflake.
https://github.com/twitter/snowflake

64 bits broken up into a timestamp, machine id, and id number.
Yay! Repost: http://news.ycombinator.com/item?id=2925609
I find it comforting that no matter how much money you have someone still can get the information you are trying to hide.
Interesting.. theoretically SSL should prevent MITM of this kind. But if you are able to redirect at DNS level, probably you can deliver your own certificate and its authority.
If we're after a common language, why not Esperanto? It's simpler than English and certainly simpler than Mandarin.
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Nothing. Movement is relative, based on your chosen point of origin.

But, I guess your question was, how did we learn about the structure of the solar system, planets and orbits and all...

By observing the planets, you can map out their path, and you can see that they are not orbiting earth. The only sensible explanation is that all the planets, including Earth, must be orbiting the Sun.

Kepler then further observed that the orbits are elliptical, and then postulated Kepler's laws (that planets orbit the sun in an ellipse, with the sun in one of the focuses).
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He likes Emacs AND vim? WITCH! WIIIITCHHHH!
Many web developers use Windows and might have their JavaScript disabled. What about them?
Marc Andreessen from AH is on HN. #awesome.
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This is a great solution. Reusable B. Logic and Cross Cutting Concerns are always an Issue in the Java World. I like the approach. But I would like to use the Annotations directly in the Domain/Entity Classes. That would be more Ruby on Rails like.
But I know that Java Guys like to separate everything from each other. That is not necessarily bad. But it leads sometimes to over engineering.
Anyway. I like the solution. And the Demo is great! I tried the Maven2 Archetype and the JSP Tutorial, too. Worked both fine for me.
Patents have been around for centuries and they exist to provide incentive for people to advance society. Sure innovation might continue without them, but likely at a much slower rate.

I'm not a fan of the current state of the patent system, but patents do have their place.
Preventing sql injection attacks
The key is that our service is cold storage only. All access, regardless of protocol, is with a username and password - there is no anonymous access to data stored here.

So there is no "hosting" or publishing of any kind.

The unintended consequence of this that we are really starting to appreciate is that we are NOT an ISP. The definition is fluid, and there's no guarantee about future regulation, but up to this point every one of the major "provider" laws has not applied to us as we are currently structured.

So the reporting, the LEA interfaces, the logging, etc. - we have no more responsibility to perform these items than your bakery does.

We are not a web host, and we are not an ISP.
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Chess world championship in one week
My Galaxy Nexus runs stock ICS and has fluidity issues, FWIW, and I'm not an Apple enthusiast. In particular, I've noticed problems switching in and out of the camera app, problems with the contact picture pop up, and with the music player.
So, how did Intuit manage to sell their product? What is their distribution strategy?
There's this perception, and I saw it on Slashdot, Plastic.com, Kuro5hin and plenty of other sites back in the day, that sites should stay how they are. It doesn't happen. Even if you stopped having new members here, people change. It's a community site. It serves the community, but as the community changes, so will the site.

Don't try to make Hacker News serve your own needs by trying to restrict aspects to old hands. I've seen it tried, and it works, but the more restrictions, the quicker the community moves on to somewhere else.

Instead, find ways the site can help you even as it changes, and try to make it better, instead of keeping it good. If something else can help you more, find it, or build it (your a hacker, after all).

I will say that I do know one thing that seems to have worked fairly well in terms of keeping a site working, but that may be more because of the nature of the site, and the nature of the people, and less because of the restriction. Metafilter charges a one time fee for new members.
On the contrary, pure FP excels at manipulating state.

The name "pure FP" is a bit of a misnomer, because what people really mean by it is that instead of "side effects" we have "typed effects". The effects always appear in the types of our computations, so they're not really "side" effects anymore, they're a central part of the computation.
hey do you think Peter will get upset if we post the lecture slides for other HN readers to see?
> On Apr. 7, 2011, five days before Microsoft patched a critical zero-day vulnerability in Internet Explorer that had been publicly disclosed three months earlier on a security mailing list

I don't think "zero-day" means what you think it means.
The influence of RAND Corp on this legislation is instructive. CISPA is not the creation of Hollywood or even the FBI, it's coming from people building a technocratic military-industrial complex.

Interesting background interview with RAND researcher here:
http://www.corbettreport.com/episode-173-alex-abella-inside-...
My Daddy always taught me, if you try to sit on two chairs, you'll fall in between them.
Massive for node.js: Lightweight MySql/Postgres Abstraction Layer
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A limited number of threads will not scale as real async wake-on-data connections will scale. If demand is higher than your thread pool, for the use case that you're web response builds on async backend requests, your site will be down.
They click the 'Windows build' link. The one with the Windows logo.
WPEngine...done and done. Failing that, AWS gives a micro server (600mb ram) free as part of every account. Thats a lot of server for very little...
This can't be voted high enough.
This blog's theme, unfortunately, makes the first paragraph, which is entirely a link, look like just another part of the header for the blog post. It blends in with the post title, date, and separator line. I only looked up and saw the "2016" introduction after I started reading about Apple requiring Haskell for apps and was confused.
Agreed.

As a native Chinese speaker I'm not sure about how a foreigner feels when he's picking up these chinese chars, but I do feel much better to remember new english words after dividing them into their original form, prefixies and sufficies.Now I can guess for the meaning of an english word even if I have never met it before.

My point is, this method can also be applied to studying Chinese. Modern Chinese words are seldom built with a single char(as opposed to the ancient Chineses). A character in Chineses does have some meanings, but not too detailed. I do not have enough linguistic knowledge but it feels like we need "modifiers" plus these "meta meanings" together to build a word.

From the perspective of a programmer let me show you some examples:

子 -- Meta, means "sub", "child", "unit"
节点 -- Noun, means "node"
子节点 -- Child node
系统 -- Noun, means "system" (I believe this word comes from English because the pronounciation is similar to "system" :-D )
子系统 -- Subsystem
弹 -- Meta, means "Ammo" or "something moving in high speed"
子弹 -- A small, single unit of ammo(just bullet, not bombs, a bomb is too big to be described by "子")
原 -- Meta, means "meta"( :-D ), or "original"
原子 -- A "meta unit" or "original unit" should be an atom shouldn't it?

Hope this will make you better understand how we construct words. :-)

And for grammar, I think the best way to learn grammar is to observe how native speakers speak. Every language have some fixed ways so it will be fast for one to adapt to it.
I'm not a physicist, but my understanding is that the debate about whether or not "quantum is deterministic" centers around what your interpretation is of the wave function. I think most physicists, who Penrose would probably criticize, believe the "Copenhagen Interpretation," which says that the wave function of a system is literally the function that, when you take the inner product with its conjugate, gives you the probability distribution of the state of the system, and hence, the state is non-deterministic.

The uncertainty principle arises from quantum. Specifically, it's a statement about the commutativity of operators that act on the wave function, which, going by the Copenhagen interpretation of physics, means it's a consequence of the non-determinism of the universe. I think this is a philosophically satisfying explanation for why getting the state of the universe is impossible.
Two ways that work for me:

One, don't try to reason it out. Don't make every chance you have to slack off be a constant mental battle of willpower. This is why eliminating distractions works so well. Also, just make it a habit. This is the harder part, but try something like the pomodoro method, where you work for 25 minutes, and take a 5 minute break. No distractions at all during that 25 minute period. Once that becomes a habit, it gets much easier.

Conversely, if you do find yourself wondering why your doing what your doing, or you have to convince yourself, just think of what you want to accomplish. Is it going to the gym, or working on a side project, or reading more? Just think of the first step. The first step of going to the gym is just getting in the door. Getting in the door is not very hard, but how can you possibly get fit without getting to the door? Whenever you lack motivation, just ask if you've completed step one (http://www.scotthyoung.com/blog/2011/07/18/step-one/)
> In a way, the universe is the computer that is calculating its own future all the time.

Reminds me of this book:

http://www.amazon.com/Programming-Universe-Quantum-Computer-...

> Is the universe actually a giant quantum computer? According to Seth Lloyd—Professor of Quantum-Mechanical Engineering at MIT and originator of the first technologically feasible design for a working quantum computer—the answer is yes. This wonderfully accessible book illuminates the professional and personal paths that led him to this remarkable conclusion.
The autocorrect on my android is great... until I want to type something that is "incorrect" like type a linkedlist.c and get an autospace after the period.

I think there can be improvement for keyboards inspired by touchscreen keyboards, but it's going to be different then what's out there on phones and tablets because of the differences in how we type between the two. We don't touch type on mobile devices.

I think the only thing free when typing is our thumbs..
Pedantic HTML
I don't see how DNS MiTM is going to subvert the basic math of public key crypto. Even if the browser is implementing its own SSL stack, it would have access to validate those keys against those that ship with the OS. This SSL pinning seems to be something outside the crypto mechanism. It's flair.
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>The hardware is fine

Pentile screen
> you would be amazed at how low-tech, careless, and quite frankly, stupid most criminals are

Then I'm sure there are other ways of catching them that don't threaten our privacy and freedom.
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I wonder what type of innovation would we see if only lawyers who were deathly scared of patent suits designed phones? After all, I think this isn't terrible, and I like it as a fresh take after seeing all the iPhone look-alikes.

Of course, my cynical side says that we'd either get no phones at all or they'd be oddly shaped polygons that hurt you whenever you try to use it. But still, maybe having attorneys in the room would encourage more creativity...
I agree with these suggestions, and I'd like to add to #1.

Get away from your usual place of work. If you can go to a place such as a library, empty office space, or school campus you'll be more focused. These places should be a bit unfamiliar so you're not as comfortable there. Don't think this applies to everyone, but I have seen it work well in my situation.

I have to admit I sometimes find myself in the same boat as this post and I'm always looking for ways to improve productivity.
No he saying that he a journalist major. I think it is less about a comp sci degree and more of being a programmer. The thing is that silicon valley goes against the norm of basic business practice. Facebook has a horrible business mode, google has a horrible business mode, apple has a horrible business model. They stake there claim that billion of people would use there product in a perfectly competitive market. Most company don't care about customers they build things they themselves want, they don't advertise they spread organically. Nooone in silicon valley needs business major because they no class in the way silicon valley creates companies.
Software execution is an entirely deterministic process (at least in theory), and even then, we cannot actually compute the result of that process on a sufficiently large computer.
Some suggestions:
1) Check for yourself that the facts he puts forward are true.
2) Look for notable examples of success and failure, study them closely, and see if they affirm or contradict his teachings.

That said, apart from "facts", little of what he says can be proven as "wrong or right" - he's just imparting to students what he has learned from his own experiences and observations.

It's a complex world. No individual point-of-view can come close to being 100% right 100% of the time.

But people are getting excited about this class because he seems to have developed particularly profound insights into the fundamentals of modern technology businesses - as compared with the many others who study/speak/write about the topic.
This is a terrible idea, but can be fixed. The problem is that it makes the dotfiles public. These are files that are normally private, and so it would be easy to forget that you've exposed them and do something like add a shell alias or vim macro that includes sensitive information.

Replace Github with Dropbox and you'll be a lot safer. You can still use Git to manage revisions. That part of the idea was fine. Just don't have the remote repository on a public service unless you are sure you can avoid errors.
Some of the Best Practices for Django Development
Is that really so much harder? Somehow, I expect you'd get a lot of opaque regexes like:

sub isIP {
return (shift =~ m/^((\d{1,2}|1\d{2}|2[0-4]\d|25[0-5])\.){3}(\d{1,2}|1\d{2}|2[0-4]\d|25[0-5])$/)? 1 : 0;
}
http://goo.gl/Efsbd
I didn't actually think the Glancee post was better or more informative. My gripe is that when I read HN I want to read the original source, not the remix. It's not just TC either-- though I singled them out-- it's also Mashable and PandoDaily. These sites regurgitate the acquihire and acquisition news in order to sell ads.
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