skysight-inc/HackerNews huggingface dataset:
Sweeney described conventional game consoles as seeing "a 10-20x leap in performance every 7-8 years," compared to the 9x leap Apple claimed for the iPad 2 in just one annual refresh.

This is true, but it's not "astonishing". Conventional game consoles usually push the limits of graphics when they're first released. The iPad didn't push graphics when it was first released, so Apple had a lot of room for "easy" GPU improvement with the iPad 2. Whether we continue to see order-of-magnitude leaps in performance depends on how much "head-room" is left in mobile GPUs, and how improvements in conventional GPUs trickle down to mobile devices.
Anti-Submarine Warfare Continuous Trail Unmanned Vessel
Eh, I don't buy it. Sure, searching on an storing a lot of mail is a tough problem, but there are plenty of startups working on what I'd consider to be much harder. With open source tools, AWS, etc. this isn't an impossible problem. Plus, you don't have to scale to millions of users right away.
Harvard Online Master’s Degree
Are Directory Lists a Joke?
The drivers for 3d on early iOS devices were ridiculously inefficient, doing things like copying every vertex repeatedly and turning indexed meshes into regular vertex streams on the main cpu. If this hasn't changed it would easily provide the 4x speedup sweeney describes.
Point 3 refers to loss aversion: http://en.wikipedia.org/wiki/Loss_aversion
Think Khan Academy is transformative? Here is the most transformative education platform I've ever seen in my life: www.classroom.tv . It will blow you away.
I like the idea and this has been an issue I've felt while following most HN Twitter feeds but the implementation is a little.. shiny. If you made it a bit more basic (fill the window for starters, no need for the giant margins) and ditched the transitions, it'd fit in better with the geek aesthetic.

Also, consider branching out to the firehose sometime. I come to HN anyway so I don't really need such a thing for stuff that's already on the front page, but having everything in /new with something like this means I'm more likely to vote it up :-) Anything that encourages people to monitor /new is a big win.
Interview with Jeremy Howard of FastMail.FM
Looks awesome, I'll happily buy it for $5 once it hits the store.

It's also nice that it's open source. Contributing to an actual iOS app could be a nice way to get a taste of iOS development without having to start a whole project from scratch (if you have no previous experience.)
Japan's earthquake didn't even slow BitTorrent use
Arriving in late via a google search, but yes, definitely. Name dropping Monocle accounts for instant credibility with nearly anyone - which is awesome, but at the same time kind of weird, because I'm the same person I was before I backed into doing Monocle.
Grockit, a test prep startup, does this. They're setup to give test questions to be answered in a given time frame with ongoing chat between room members and there is an optional white-board for drawing on.

The drawing section isn't built by them, it's actually built by an HN poster running, I believe, ExpatSoftware. You could probably make use of his project... Actually, I checked. They're just using Twiddla. I think Twiddla is pretty much what you want. You can free hand what you want and you have an etherpad a click away. Tying it in to KA would be left.

Kamens, is there a way to view all the unanswered questions on Khan Academy? I think it might receive a fair amount of traffic if there was.
Doesn't Microsoft do a major reorganization every few years? I thought moving people around was part of their business philosophy.
We had to do this a few times with large databases. To save some time we recreated the table structure we had (use something like Navicat to make life really easy and copy over the structure). We then exported our DBs into CSV files and used mysqlimport with --compress flag. Took about 4 - 6 hours to get all the data up. Definitely a weekend or latenight job. Of course with significantly less data this could take much less time. Our smaller DBs took less than an hour and those we literally just used the copy functions within Navicat.
That Submission is more than a year old. As far as I know, the dup checker doesn't check back that far.
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Even so, I'm not sure this is a polite thing to do.

It was also not a polite thing to do to be selfish and remove the source code link and the GPLv2 message that it would be handed over to whomever asked for it.
welcome to:

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Ask HN:  Place to recruit Android Beta Testers
This may apply to Android or iPhone developers - I'm looking for a central location to find qualified users to test my Android app (.apk file). Ideally I would send it out to my friends that have Android phones, but they aren't the most technically savvy so it would be difficult to get them to install the app. I'm looking for about 10 users to test an app across different phones and OS's.
I did try something like that where I loaded all the video segments at once and hid all but the current segment with CSS. However I wasn't able to get it working how I wanted, there were still loading delays and some visual glitches when switching clips, it also was a little unreliable. After fiddling with it, trying different hiding and timing methods and not getting the results I wanted I opted for a much simpler system. But, I think that a "double buffer" system could have improved playback if I'd spent more time on it.

Thanks!
I have read that in studies, people require a gain of $2 to make up for the loss of $1, and it would have illustrated the point beautifully, but I couldn't find a citation. Alas!
Mobage Mobile Game Platform by ngmoco:)/DeNA
I love the graphs, but the article only presents data that would back up it's conclusion. I want to see the graph of access times and memory usage as a function of data size. Those are the two factors that are definitely going to be worse for CFArray over his naïve C arrays.
I'd say if they lack the skills to build it, they should be developing those skills instead of trying to attract developers. When you start thinking like a hacker, you'll know how to attract them.

Then again, I'm kind of a control freak who refuses to depend on anyone. Help is nice but I'd rather make inroads myself rather than wait.
forgot to add, to minimiza downtime we perform this dump and import during a slow period. If you're using PKs just note where your dumped tables leave off. When ready to roll to prod just put up your maintenance page, export from production your dbs into csv files again, but now from the PKs upward (this saves considerable time, you could always do the whole db again but wouldn't recommend it), import (add) the missing data and voila - a migrated DB. Switch over your DNS or domain settings (however you handle this) and you're up and running on RDS. Hope this helps anyone.
Nice idea, but I'm seeing a few problems.

Clicked the "A JVM does what" link on the twitter feed and after a wait that was an eternity in internet time (probably int he 10 second range or more) the page looked like an iframe with the original url loaded in.

And the interface is confusing. It is never good when I first feel like crying out in rage that there are none of the promised comments, then only realize where to find them after reading your explanation a few times to pinpoint the info (I'm a product of the internet, read very sparsely :P)

My suggestion is to make it more obvious where the comments are, or even to parse them out of the HN page and display them in your own way.
1) If Brisbane is a dump, the Civic Center area where Twitter wants to move is a toxic waste storage area.

2) The tax is a huge amount of money per employee. 1% (current value - strike). That can be in the thousands for earlier employees.

3) Commute all depends where you are coming from. If you live in SF or the northern East Bay, it might get a bit worse. If you live in San Mateo, Santa Clara County, hell even southern San Francisco, it's a huge improvement. Furthermore, as you get older you are more likely to move south, so the workers most affected by the tax might also actually find their commute better.

3a) I can hardly fathom someone quitting a job that moved a mere 8 miles away. The company should excite you far more than chilling out every day in the Tenderloin.

Finally, a useful link for all:
http://co.sfgov.org/webreports/details.aspx?id=1255
Not really. The bottle-neck for LHC isn't how many collisions it can throw up, or how fine its measurements can be, but rather processing the data. The data that LHC throws out goes all over the world (including Fermilab). LHC's engineering triumph is as much high-energy physics, as data processing/storage. Remember, most of the time the LHC isn't actually colliding, as opposed to telescopes.
Everything's negotiable, but also everything's a signal.

If springing for your airfare was the key to making a investment they really wanted, they could do it easily (even if they've never done it before). But also, asking for the airfare makes you seem a bit desperate for what (to a healthy business that just needed expansion capital) would be a trivial expense.

I like the "why don't you come visit us" response, especially if the travel distances make it a potential morning-out, evening-back trip for the VC who's interested in your business. It expresses interest but not too much, openness but also confidence.

If you do take the time and expense yourself – and presumably this is to visit the valley – then be sure to meet many investors on the same trip. See all the Venture Hacks stuff on setting up a time-compressed market for your fundraising... though you could also view your initial visit as just a testing-the-water/getting-feedback exercise, figuring you'll return with a more focused fundraising agenda later.
I think I remember reading Feynman saying that you should always have 15 or 20 problems that you have percolating in the back of your mind at any given time. Then, any time you learn a new trick or technique, apply it to all of those problems. Sometimes the new technique will work really well on one of those problems and you'll look really smart, but all you did was apply a technique from one person to one of your old problems.

I can't find the reference now...
About Economy essay
Writing about the economy of a country can be an excellent method of learning about the country. Students who are assigned the writing of an economy essay need to be sure that the information provided is current with logically analyzed facts.
Thx for feedback!

Implementation is shiny yup - for now;) I did it as fast as possible to get feedback and see if it's worth putting extra effort in.

Agree on /new issue. Hmm.. perhaps I shall try publishing everything from /new that gets at least a comment or an upvot... will ping you on twitter when done (prob not tomorrow but by the end of the week).
I think people are staying away from this area for a reason. Email is of declining importance anyway. I know more and more people that, for better or worse, communicate mainly through Facebook.

Also, don't underestimate how much work it is to filer spam effectively.
Self taught programmers are more passionate.

my 2 cents.
This is a good default style. If you can write clearly, you can also write in other styles for artistic effect. It's like learning scales for your instrument. If you can't play scales well, you can't play Beethoven or George Crumb well either.

To look at it another way, these are the rules that are made to be broken in the service of stylized writing. If you don't know the rules, you won't know when to break them.
The New York Times has thankfully started to link to sources and papers and actually does so in this article. Here is the paper: http://arxiv.org/abs/1104.0699

Links in the text are always a bit cryptic, it would help if they were to put an info box at the end of articles with all the relevant links — but I don't want to complain, putting the link in there at all is already a pretty masssive improvement.
You mean Codeplex?

It's right here: http://www.codeplex.com/
Self-education, discipline, etc. require passion. This could apply to your coursework at MIT or downloading copyrighted technical textbooks off USENET for free to teach yourself mathematics and programming, etc. The internal drive is the differentiator...not so much where you came from.
Big Physics.

That's the funniest thing I've heard all day.
Upvoted for multiple reasons:
1) The app itself looks pretty good.
2) Open-source
3) You're a high school student too. (What year?)
These Particle Accelerators should not be wasted or scrapped! This process could be used to study materials, which could lead to advances in: temperature limits, strength, etc...
Not at the moment, no. We're tackling some lower-hanging fruit, but this sort of community tool is obviously on our horizon.
This is cool. Oh, you're a high school student? Awesome.
Added! http://userstyles.org/styles/46180/georgify-for-hacker-news

Please note this has a fixed width issue in Chrome. Works fine in Firefox. So I would recommend Chrome extension for chrome users and Stylish for FF
I see your point.

Interface probably is confusing. I'll put sign on handlers first to see if that helps.

Thx for idea about parsing, if I go for that it enables many more options about comment display as you pointed out!
Because it's a PR loss to go up against Top Gear in this way, truth or not. Not even Americans love Tesla more than they love Top Gear.

Tesla should take the car to them and show them how it's done. Top Gear would go for it, and Clarkson would admit it if he was wrong. But with the lawsuit, Clarkson isn't going to admit a damn thing, and is just going to bag on Tesla and whiny lawsuit-happy Americans that much more.
SparkFun Electronics Creates Department of Education
Are You Out 2012
Central banking. Balance sheets have never been larger.
Thinking about users in powers of ten is useful when designing a scalable Internet architecture.

Each order-of-magnitude change in the number of users generally requires a redesign of some part of your product's architecture. Don't worry about supporting 10 times as many users as you have now. A design that works for 100 users isn't necessarily the best for when you're supporting 1,000, and vice-versa (a design that works for 10,000 users may be overkill for 1,000 users).
Amazing! Now i can use jetbrains ide's for android and ios. I've upgraded to xcode 4 and it has been nothing but a pita. Crashing daily, bad builds, still can't figure out the debugger. Having IDE choices are great!
No Android love?
Datasets aren't always quested for. Sometimes you want a specific dataset to solve a specific problem, and sometimes you'll take any dataset just to see what you can learn, or to make interesting infographics. Lists like this help the latter situation.
iAd Gallery Pro, now with fewer ads?
The problem with infinitely scrolling webpages
The lab itself will stay there. Only one experiment is being shut down (D0 at the tevatron. Granted when people think Fermilab, they think tevatron, but there are other experiments located there). They have future plans for a new accelerator located at the tevatron location.

I assume that most of the technology will have to be scrapped, and the only thing that would be reused would be the tunnels.

http://projectx.fnal.gov/index.shtml
> Remember, most of the time the LHC isn't actually colliding, as opposed to telescopes.

As an astronomer, I would hope that your telescopes also are not spending most of their time colliding. :)

(Although, if you're not careful, some older telescopes will let you run them into the ground.)
The place where I've seen Haskell really shine is parsing. Parsers are remarkably easy to write in Haskell, thanks to Parsec and its various spinoff libraries. For example, here's a minimal HTTP request parser that Bryan O'Sullivan wrote by essentially translating part of the RFC into Haskell:

https://bitbucket.org/bos/attoparsec/src/tip/examples/RFC261...

It's 54 lines long, pretty trivial, and here's a really cool part: it parses incrementally on strict bytestrings, so you can just do raw socket recv calls and pass the chunks of input to the parser. Similarly, I wrote a parser for the subset of YAML that beanstalkd uses (as part of the hbeanstalk client library), and it was just 11 lines of code. It's very impressive.

(The concurrency and parallelism stuff is also notably slick, but I haven't had as much occasion to use it. Haskell's aversion to side-effects really pays off sometimes.)

By the way, you're right about the Haskell community being friendly and welcoming -- as you yourself demonstrate. :-)
I'm don't get why this is surprising. NSArray takes a static dataset, and cannot be changed. NSMutableArray, by definition, can add or delete items. Wouldn't it make sense to store an array that is huge differently than one that is of small -> medium size? And since NSMutableArray must be able to change, it can't necessarily allocate the correct memory space upon alloc.
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where is the android version??
I enjoyed the post but I'm struggling to figure out exactly the point it was trying to make?
I never thought there were that many highschoolers on Hacker News (year 12 here). Cool to know there's some fellow adolescent hackers out there.
They're very good at posting their outages: http://status.fastmail.fm/
This is a very interesting item as I believe the 4 out of the 5 user accounts that have commented on this (in the last 3 hours) are part of a voting ring.

Fascinating to see it.
Very interesting talk for the Java geek in me.
Side note: blogspot's UI has gotten really old.
That issue is actually why I went with a distributed approach to news:yc. Yeah, it's a pain: no remote updates (App Store restrictions) and a lengthy review process for each change needed (do you know about how often the markup changes, btw?), but I don't have to deal with any caching, rate limiting, or anything else this way.

(Of course, I don't even think you can do anything like that on the web (even JavaScript, cross-domain issues), so your approach is probably required there.)
I have always approached learning in exactly the same fashion. Seek out multiple sources of information on the same topic, and browse them all. You'll quickly find the source (or sources) that explain it best to you. It's a total waste of time to bang your head against the wall and blame a poorly written text.
When you are self-learning from books, you only learn as fast as you personally can.

With an instructor (if lucky, a good instructor) you learn same material, but much, much quicker due to how course program is laid out, experience of the instructor, etc.

In the end, it's up to you and how you want to spend the time on this earth.
Introducing Fourleaf: The social network that's aiming to "change everything."
Sophomore, so I'm 15 right now.
Are you chasing a fad or a market?
Hm, if fuel is so cheap then why not bring enough fuel with you to decelerate before de-orbiting? Then you don't have to worry about reentry heat.
More recent:

http://blog.markwshead.com/911/harvard-online-masters-degree...

Thought this was posted here before but I couldn't find it.
11 Stages of Selling a Company
There are some decent HN iPhone apps (still, it's nice to see another one because the existing ones are certainly not perfect) but all the iPad apps (there are four or five) are pretty bad — especially the visuals but their functionality is also very poor. If I didn't overlook anything all just present you with a list of articles and upon clicking on one you get two tabs, one gets you to the article, the other to the comments on HN.
It hasn't changed since I made http://ihackernews.com
GNOME vs. KDE: The Latest Round
Running Hedge Fund is a Far Smarter Career Choice
mine goes all blue, it's awful and I haven't found anyone with this problem. Looks great in vim but it's unusable for urxvt/xterm (and also emacs).

edit: http://imgur.com/OMjdR
No Android love, basically, because I don't use Android and this was written (as is often suggested) so scratch a personal itch: Hacker News wasn't fun to browse on my iPhone. Perhaps Google will give out Android devices at I/O and I'll be able to work on a port then.

HP/Palm did send me a Pre 2 development device, though, so I may port it over there if and when I start using webOS for my primary phone.
sigh I guess I'll just never get it. I have an iPad sitting right here, but I don't use it for a damn thing except testing.

I surf the web on a desktop computer--while it's compiling code, even--and choose that experience 9 times out of 10 over surfing on the iPad (or any tablet or phone for that matter).

Surely I'm not the only one who feels this way.
They can't chime in because they'd probably get fired for it.
And can we please get back to tagging videos with [video] at the end of the title?

If you submit a link to a video or pdf, please warn us by appending [video] or [pdf] to the title. [0]

This is the second all-video submission today (the other being the Job's interview) that wasn't tagged. It's not that big of a deal but when your on a mobile connection and you spend a minute waiting for a video you can't even watch to finish loading it can be really annoying.

[0] http://ycombinator.com/newsguidelines.html
The Hero's Journey: Summary of the Steps
Ask HN: What's the relationship between App Store Top Grossing Rank and Revenue?
Apple publishes a top-grossing list ( http://www.appannie.com/top/united-states/ has pretty good data), and there is a some anecdotal data out there ( http://taptaptap.com/blog/cameraplus-hits-2-million-sales/ ), but there's very little transparency about what things are like outside of the top 10 grossing apps. If you provide some data in the comments of this thread (or email them to me -- webwright @ gmail if you'd prefer to keep it out of the public eye), I'll send you spreadsheet of the data I've come up with (I've got about 10 data points so far-- would love to get more-- especially in the lower ranks to see how long the "tail" is).
ICC Cricket World Cup 2o11 India Won - Emotion And Poignant Scenes As India
Inter Milan vs Schalke 2-5 - UEFA Champions League - Full Match Highlights & All Goals 05-04-2011
best 2 acknowledge or avoid big brother in my lbs post?
needed to blog about this location-based app but didn't mention <i>anything</i> about privacy because didn't want to raise the issue with readers. or is it best to just come clean up front?
Apple to Toyota - Take Down that Theme
Some people make things just because they love to make things.