skysight-inc/HackerNews huggingface dataset:
"Asking students what they think they need to learn? Problem is, they don't know..."
This is typical of a teacher giving his or her students too little credit. While this may be true of elementary- and perhaps middle-schoolers, I'd say most high school students know what helps them learn. I knew what kinds of books, teachers, writing utensils, memorization techniques and the like that I preferred, and the same was true of just about everyone around me. Similarly, I also knew what failed to help me. There was a girl in one of my classes who always quietly hummed behind me some jingle she had created to help her remember something for that test, but I never liked using songs to memorize important facts. I did something kind of like the memory palace technique (but I didn't know it had a name at the time). There were also plenty of assignments the teachers gave and tools/methods they tried to use that they thought - not without reason - would work. But they often confused me much more than taught me anything.

"it is not for lack of understanding, but for lack of action"
I agree with this. A huge mistake of many of my teachers is that they assumed some students were dumb or lazy and missed the fact that students simply don't care about some (or all) of the classes they have to take, and teachers that focused on getting students interested in the material were generally more successful than the ones who complained about kids' poor attitudes (not that a bad attitude isn't an issue, and not that it's all on the teacher to do something about it). But then came the "action" part - get kids to do something "right." I hated teachers that tried to force their study habits on me. Many teachers would check and grade our notes to see that we were taking them "properly." Others might make us go step-by-step through some writing process that is "guaranteed to make you a successful writer." While good note-taking and writing skills should definitely be taught at some point, the level of detail enforced was absurd, and single methods cannot work for every student.

I know teachers have hard jobs, and I don't claim to know everything. The point is just to give the students some credit. They aren't stupid, and they're all different. If you listen to them, they'll like you better for it. If you don't listen to them, you will never seriously consider some little idea they say that might work wonders for them. But don't get me wrong about the article. This survey says nothing about a correlation between access to technology and success in school/life, and I really doubt smartphones and iPads will help students more than distract them. However, there is merit taking their opinions into account. And there is merit in using the available resources to their full advantage. Considering that mobile devices will become ever more prevalent and powerful in the future, it's a good idea to begin determining their potential in the classroom.
Exactly. Yammer is cool because it is focused on professional/enterprise social networks, but broken because it doesn't recognize that people want to create adhoc social networks to work together.
That's because none of the data posted is relevant to my point. I'm arguing that it is extremely unethical to subject people and the environment to any significant risk of nuclear disaster. When the risk is such that multiple incidents are all but guaranteed over a long time period (like 50 or 100 years), we are effectively agreeing to the principle that productivity and efficiency are greater concerns than some hundreds or thousands or millions of lives (we can't predict the number) and worth destroying and sacrificing those lives in exchange for. I reject this principle, as any sane person should. I believe coal energy should be evaluated on the same basis.

The reason to focus on nuclear over coal power and other bad industrial practices is that nuclear still has a lot of support among educated people. Coal has been discredited. No one thinks we should build more coal plants (aside from those who profit from them). But the amount of cheerleading you see for nuclear among a population like HN's is incredible. I don't know if it's a testament to the industry's financial weight or what, but it's clearly getting a pass where other harmful industries are not. That's bad.
The irony here is that the proposed PyPy benchmark is more Python than the previous CPython-oriented one.
Why Experts Get It Wrong
You picked out the best part of the article: the clips are fun. I also liked the quantized version of random notes on a keyboard.

However, as a musician, this sort of article makes me uncomfortable. He says: "In this post, we will be discussing rhythm basics and all things related." Not exactly. He discusses rhythm basics from a certain cultural background, roughly western European mainstream music of the present day.

His discussion focuses one particular notation (whole notes, etc.), one particular tool (a sequencer), and most of all one particular musical language (mostly 4/4 with a backbeat, and typical mainstream instruments, electronic keyboard and drum kit: kick, snare, hi-hat).

Music is not limited to that which can be quantized.

His discussion of swing is primitive. He probably doesn't play jazz, though I can't say for sure.

I don't mind that he approaches from a certain place. It just makes me uncomfortable that he omits his background to the point where a beginner might mistakenly think the post is somehow universal.
Maybe you should have to submit and have it ran against a secret program that covers many areas of an implementation, so it's unknown precisely what needs to be optimized to improve on the test. Have a limit for how often you can retest it to so the only real way to be the fastest is to optimize lots of stuff which is a net win for language users.
I would not join Startup Guild if it required me to have a facebook account. So thank god for that.

Also - I find it ironic that you would think that a monolithic service such as facebook would be the obvious tool for scrappy groups of startup wantrepreneurs.
Every HTML version dating back to http://www.w3.org/MarkUp/draft-ietf-iiir-html-01.txt had a DTD. Validation was available long before the W3C made theirs trivial to use, the problem was widespread ignorance on the part of authors of early web pages and especially tutorials.
http://www.nd.edu/~cangst/NotreDame_iPad_Report_01-06-11.pdf

http://robertkozma.com/images/kozma_jrte.pdf

http://www.educause.edu/ELI7Things

http://www2.ed.gov/rschstat/eval/tech/evidence-based-practic...

http://www.ted.com/talks/sugata_mitra_the_child_driven_educa...

Not formal studies but great anecdotes:

http://www.fastcompany.com/1727292/apple-ipad-officially-pas...

http://www.youtube.com/watch?v=m1-8OOrBi0o&feature=playe...

Anything on http://speirs.org/

And of course, there's always the success of Khan Academy.

There are many, many more studies and anecdotes available, but these are the ones I either had bookmarked or could remember off the top of my head.

You're right that there's no absolutely conclusive and irrefutable study about tech in classroom because nobody has undertaken such a bold experiment. However, all of the evidence is there and points to the potential of adopting newer tools in classrooms. Unfortunately, people who blindly dismiss all applications of technology in the classroom have slowed farther, more informative studies from being conducted.
Implement something like a recommendation system for comments.

Any time any two users vote on the same comment, the HN system should create a number representing the "affinity" between the two users.

This affinity should increase if the users voted the same way on that particular comment, and decrease if they voted differently.

Then, instead of displaying the number of upvotes or downvotes next to a each comment, what should be displayed should be the number of upvotes and dowvotes weighted by the affinity of each user who made that vote.

Comments should rise or fall using the formula HN uses now, except it should use affinity-weighted upvotes and downvotes.

In effect, in this system the other users are making "recommendations" on the comments they vote on. And their recommendations are weighted by how similarly their previous votes were to the votes you made.

This scheme results in every user seeing comments customized in a way that automatically infers their preferences.

So, if you prefer deep, insightful comments about technology, you'll presumably upvote those comments, and the affinity between you and the other users who upvoted those comments increases, and when they upvote future comments, the comments they upvote will be more likely to show up on your radar as they'll probably be closer to the top of the page and have a higher numerical score.

Conversely, those people who prefer brief, funny comments would similarly have the comments they see be displayed in a way that caters to their preferences.

Instead of trying to please everyone in a one-size-fits-all top-down approach, this is a more distributed approach which "recommends" to each individual user those comments which are likely to be preferred by that particular user.

Of course, this scheme is more computationally intensive than having the current system of simple, unweighted upvotes and downvotes, or even of manually curated/moderated comments. It also requires active upvoting and downvoting of comments by users for it to work well.

But the advantage of this is that the more users upvote and downvote, the more accurate the system gets in "recommending" comments to them. So implementing this system would provide an incentive for active participation.

It's also an automated, algorithmic system which should scale much better than proposals that require manual human intervention, such as implementing moderation/curation of comments.

A similar scheme could also be applied to articles, such that the HN backend would weigh articles based on the affinity between the user viewing the article list and the users who've voted on those articles.
Part I really caught my attention when it was posted a week or so ago. I've never really learned about music but it seems like a lot of programmers really like composing music. (Actually, L. Peter Deutsch famously left programming in favor of composing.)

I can't speak of it's quality yet, but the original post lead me to stumble upon: http://www.musimathics.com/
Let us know what happens please, I'm also interested.
Comment quality here is still vastly higher than it is on most other sites frequented by programmers, designers or entrepreneurs, and higher than any other site (e.g. Wikipedia) of its size or larger. It's just really hard to maintain the quality of a site as big as the HN of 2011 when there are no significant barriers to participation by anyone with internet access and a basic command of the English language.

I humbly suggest that for the conversation to lead to HN's doing even better than HN has so far will require the participants in the conversation to verify that they are referring to the same thing when they write "comments that are (a) mean and/or (b) dumb", e.g., by the participant's providing actual examples (with the author's name removed) of comments they consider mean or dumb.
Don't you feel like working on something with me? (anything stupid would do). I think I'm well versed in programming(I'm heavy now on node.js). I can teach you a little bit of it if you want to and maybe build something we can be proud of.

Also, I live in Brazil and I wouldn't mind you to come here. But if I were you, I wouldn't LOL!

Get in contact: thiagown at gmail dot com

I'm frequently on irc in freenode as Horofox (#startups, #node.js and other channels)
There are much easier existing algorithms that are currently used by, for example, the Parrot AR Drone so using this for that would not be optimal.
Unreadable on an iPad :(
One of the big things this group has going for it is the public persona Topolsky has been able to create.

If he continues to do his tech segments on Late Night with Jimmy Fallon, he can quickly get the brand for the new blog out to a huge audience.
From personal experience, iPad is a great consumption/reading device. When you have to create powerpoints/excel sheets or write code, you still end up needing a desktop computer.
I like your analogy of the arms supplier! Is Google making any money on the Android licensing though?
"... The real issue here is culture, and the cultivation of it. There is a culture, but it's tough to find, and it's far from discoverable. ..."

The best place to start is read pg's essays ~ http://paulgraham.com/articles.html I got the feel for HN before HN existed through reading.

"... I don't get the feeling of a nurturing environment here, and because of that, it's sort of a "fend for yourself" environment, which leads to the sort of behavior we see. .."

One quick hack I use is every time I comment, find a good comment or story I background check the user, find their twitter id, follow them and add them to my contact list. I'll twit my HN list for you.
Upvotes are sometimes used to indicate agreement.
The Rolling Stone ought to stick to music.
That 'first step' is so dangerous its mind blowing. One thing that is seriously holding academic CV back is datasets made for slow computers. Eyes take advantage of every possible input and the idea that you should start your CV task by throwing away data to make it 'easier' is so dumb its laughable. While I admit industry demands speed, if you have the luxury of doing pure research today and you're using black and white images you're not even wrong.
| grep '[o]s12'

would have filtered out the grep process from the ps output. :)
If this is the reason they left - it's not a great idea. Engadget was fairly well regarded before they came on board and quite frankly, after Peter Rojas left it has continued to do quite well. In fact, I'd argue that his next venture - gdgt - hasn't really gained much traction.
Brands are NOT easy to build. The NYTimes will remain the NYTimes, despite the fact that many editors will come and go. I think Engadget is in the same place - a new editorial group will replace the old, and they will be forgotten.
Why? They've done some phenomenal reporting on the War on Terror.
To answer your question you can watch this presentation by Prof Hinton: http://www.youtube.com/watch?v=AyzOUbkUf3M

He shows how he trained a restricted bolzmann machine to recognize handwritten numbers and how he can run it in reverse as a generative model, in effect the machine 'dreams' about all kinds of numbers that it's not been trained on but nonetheless makes up properly formed legible digits.
Also see http://news.ycombinator.com/item?id=1917725.

I've also found (what I'm sure everyone knows and is thinking about but don't seem to mention in this thread) that the optimal number of monitors or screen resolution also depends on what tasks is being worked on as well as which tools are used.

Compare:
Tools like Squeak/Pharo Smalltalk requires a fairly large screen space for a single window since all the "windows" open within the native window and it's harder to work with overlapping windows within that space.

vs.

Dolphin Smalltalk which supports multiple native windows, where you can do alt-tab fairly quickly and with a culture of writing shorter methods, a smaller screen is viable.

or

when I am running vim+vimclojure, I use a wide vim window so i can run tabbed buffers on the left and the output on the right.

Related to productivity: I've tried experimenting with various approaches, including having online/offline time. Where I break up (primarily development related) tasks into online-information-doc-gathering and offline-coding tasks. Seems to work for efficiency, but I can't stick to it.
Have a hard tech theme day once a month, like Erlang day. Let's do Scala Day tomorrow!
This article is fodder for those 1000 Thoreau is talking about -- "There are a thousand hacking at the branches of evil to one who is striking at the root."

Not once did the author submit forth anything of value. I kept thinking I wish I wrote this article and instead of complaining about the troubles focus on WHY? WHY is this happening? I've always come to the same answer: give kids the opportunity to find what they love (or who they are) through education.

I dislike the PIE analogy! Anytime they mention pie and those greedy few it gives the wrong idea about wealth generation.

I think a growing trend of more educated peoples will fix this inequality over time -- wealth distribution will be more sparse.
Predictions on how long it will take before AOL acquires them?

My guess: 6-10 months.
This appears to be a dump of randomly selected research papers, many of which don't measure anything remotely connected to outcomes. The standard practice seems to be to do a bunch of surveys afterwards to measure how awesome everyone thought everything had been.

However, I did appreciate this bit from the ed.gov one:

"An unexpected finding was the
small number of rigorous published studies contrasting online and face-to-face learning
conditions for K–12 students."

No shit.
This whole ordeal smells IMO. Though I'm probably biased from my recent experience in seeing Daniel Tammet and reading the following:
http://infopractical.livejournal.com/77298.html
Sometimes I scroll down the "new" page and vote up all the hard tech stories I can find. Often I find none.
As a teacher, I'm not quite sure what the survey is really reaching for. The kids bring their own technology into school, so that they can use it, and... what? Browse the internet for scholarly sources on a 4 inch screen?

There's not a lot of technology that truly enhances education. LCD projectors make a huge difference. Document cameras (if you haven't seen one, it's essentially a webcam on an arm with VGA out) are wonderful, they let you put any student work, textbook, etc. on display. Online books and online "flash card" sites are also useful. The thing is, though, almost all of these are just improvements on technology that's been around for decades. A LCD projector with document camera is an overhead projector where you can be spontaneous rather than rely on transparencies. There's lots of other cool stuff - student response systems, wireless networking for TI calculators, Geometer's Sketchpad - I could go on. I've even friended problem students on xbox live for the explicit purpose needling them on their time playing call of duty instead of doing their homework.

The thing is, though, none of this requires a student's cell phone. There is no killer app (that I'm aware of). Instead, the cell phone is a major disciplinary issue. Teachers and administrators are wary for a reason: students are irresponsible with the devices, and presently, they cause more problems then they solve.
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IAMA rich man. AMA.
Any reason why you consider this "exploratory" and "prototype level" code? I would have thought it was quite useful to explore around using whatever you feel like and then when you settle on an algorithm, here you have Java implementations ready to use for a high performance implementation.

NB: also, btw, there are plenty of JVM languages that are good for "exploration" anyway. I love using Groovy for this kind of stuff.
Looks like Jacan't.
I expected a great mood, music and visuals. As far as that went, I really enjoyed it. It was definitely a movie to see in the theater, in 3D.

Thinking about other movies, I guess I can compare the music, the special effects and the mood to Blade Runner. However the story quality and acting is like night and day. As much as I enjoyed TL, I doubt it will gain much of a cult following.
Watch these videos

http://bit.ly/ehfTc3
http://www.youtube.com/watch?v=UF8uR6Z6KLc
http://bit.ly/eNZPda

I do it whenever i lack motivation. It helps me a lot, I hope it will help you in same way.

And you if you really think you want to take a break, Come to Nepal, Its a nice place to be. However its landlocked so you wont find beaches.
This doesn't really address the main problem, which is that "poor quality" comments are being upvoted.
IMO, no. You really ought to check out Michael Yon for phenomenal reporting on the war on terror. In other words, I get it. The Rolling Stone thinks conservatives are the devil. The bias is ridiculous. But if you choose to read that kind of thing that's your business.
rexreed, I really like where you're going with this. Without clearly stated goals (what to achieve and what to avoid) as well as data on what has already happened, and a theory of why various groups of commenters behave as they do, a solution is unlikely.
backports?
Wonder how soon before AOL buys them out...
Mark I Containment Facts and The New York Times | GE Reports
I've read lots. What I've gathered isn't rocket science, but maybe it'll give you a little direction like it did for me. First off, articles and blogs I've read have consistently said you should 1) explain your business in one complete, concise sentence, 2) be energetic and positive even at the end of an 11 hour day when you're exhausted 3) have experience in your field 4) be able to show that you've put effort into doing things yourself (that you're dedicated enough to do things yourself even when you have to learn how to do it) 5) be open, not secretive about your idea (most don't want to steal it, they want to know what you're worth in both content of character and idea 6) know when to exit a conversation when someone's giving you signals that they're not interested.

Hope that helps some. I'm also new to networking and my work is seasonal too, so I'll be doing my networking this summer as well. Good luck. Feel free to connect with me on twitter. @Paula_Henning
On Maemo News we solved this by enabling downvoting of submissions (well, aggregated feed items), and by making downvotes worth 5 upvotes.

The unpleasant side-effect has been a slight tendency to shoot the messenger by downvoting relevant-but-unpleasant news. But in general it has helped with story quality
Working fine in Chrome 12.
That is not a mistake. It's a corporation.
I think it's because programming and music theory are actually very similar. Both involve manipulating a set of rules creatively to make something that is satisfactory to yourself, while following conventions set by professionals that came way before you. It's really very similar.
It is a futuristic, more intelligent version of grep that understands the context in which it runs, and automatically filters itself out when it processes the output of ps ;-)
This account goes to show how valuable domain-specific knowledge is in creating a plausible space. The movie was such a visual masterpiece because the artist used algorithmically-generated visual effects to illustrate a world purportedly generated by algorithms.
That sounds similar to Cathode - the vintage terminal emulator - http://www.secretgeometry.com/apps/cathode/
A failed attempt at stopping spam bots
No, the entire world. I've traveled a lot through South America. There are lots of Internet cafes with older PC's that run IE6 in 512MB. Chrome would be a big improvement.

Sorry if the Hulu deal only works in the US.
Don't want to start a political argument, but isn't the way to make democracy scale more to do with federalism? And sub-reddits do just that.
Plutonium and Mickey Mouse