skysight-inc/HackerNews huggingface dataset:
I have about 350 left - bought a miner in March...

I guess another reason why I don't feel depressed is that I always meant to keep some of them as a long term investment. Just curious to see what happens when supply of new BitCoins starts to slow down. Of course I am not the only one thinking like that, so there are a lot of BitCoins out of circulation atm.
Nice. But isn't it time to just get yourself an IPv6 tunnel, and then be able to share anything that runs over the Internet instead of just one port? Then you can use the normal IP routing and access control machinery instead of having to roll your own.
I didn't see any mention of bandwidth caps. I hope they don't cap it. I'm not sure people see the flip side of having an extremely fast connection with the current model of pricing for most telecommunication providers. The speeds keep going up but the caps don't. I live in a building that has fiber provided by Telus, capped at 50MBps. I'm hitting 1TB down per month on average, I'd be screwed if they started capping my bandwidth. It's interesting how as soon as companies implement bandwidth caps we start seeing speeds go up.. just another money grab.
For a broad(er) perspective on AI, checkout UC Berkeley's CS188 http://inst.eecs.berkeley.edu/~cs188. I think it's a good entry course into AI. One advantage is that the math requirement is not as high as Stanford's CS229 or EE263 (both of which are fantastic courses to be clear, but are easier to appreciate with the correct background).
This is nothing more than an interesting tidbit without knowing which tweets have the biggest impact. My guess is the Republican tweets have the bigger impact, especially with the large Palin following. Whether that impact is good or bad depends on the person.
You must be joking. An Egyptian couple recently named their daughter "Facebook" due to the instrumental role that Facebook played in the overthrow of the Egyptian government. Other rebellions have used Twitter extensively. YouTube was instrumental in publicly shaming a racist senator whose loss gave the Democrats the Senate.
Why not? Although Hide was asked to hide in a closet, those words are not pronounced the same way and Hide is a common Japanese given name.
To be fair to the OP, their argument isn't "since I don't use it, nobody uses it".

Their argument was a (totally defensible IMHO) personal expression of disappointment about all the brain work going into something whose impact seems to have peaked (in that those who want it already have it, and the rest of us don't have a problem it can solve).

Sure, Facebook is a utility to millions or even billions of people, but so is electricity. I think the analogy is if thousands of brilliant engineers were working for a fossil-fuel power company - it would be a natural reaction to say "Gee I wish all those boffins were working on renewable energy instead".

You might not agree with it, but it is a legitimate sentiment.
Admission Essays says 
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I'm using Awesome. http://awesome.naquadah.org/
going to my bookmarks, and, yeah, got to get that linear algebra problem sorted out, could take me months
That quote is really stupid. Better would be to say something like the best minds of my generation have decided an optimal strategy is to figure out how to make people click ads or to do financial engineering. Why is that. And then do something about the why.

Frankly, listening to people like Hammerbacher (who is almost certainly now rich from fb) or Alex the twitter dude who started bank simple (who essentially admitted he got rich from Twitter, see discussion surrounding his claim Conway threatened him) now whine about other engineers trying to get theirs just like Hammerbacher and Alex did is bullshit. Viz Alex dissing lifestyle businesses, etc.
Thanks! actually saw the first A.Ng lectures already, and he framed all concepts by way of linear algebra, which made me stumble on just the second video
This looks sleek! thanks!
This is great! Python is actually my favorite language as of the moment, using it on freelance work as well as personal projects. Thanks for the link
I suppose making it easier to user bitcoin would incentivise it's use. At the moment accepting BitCoin payments probably has the advantage that lots of people are eager to spend BTC on real things. That effect might not last, though.
bookmarked, Thanks!
A great textbook as an intro is by Duda and Hart, Pattern Classification. http://www.amazon.com/Pattern-Classification-2nd-Richard-Dud.... Its pretty well written and gives a good overview of the main techniques.
If you want a bit more theory, try Cherkassky and Muller, "Learning from Data".http://www.amazon.com/Learning-Data-Concepts-Theory-Methods/ Has a good overview section on statistical learning theory.
And also, take WEKA and just play with it.Its nice to just check what works and what doesn't.
Yes, but Bitcoin isn't necessarily anonymous:

https://en.bitcoin.it/wiki/Anonymity

If you want more anonymity in Bitcoin, run it through Tor and have the setting noirc='1' in your ~/.bitcoin/bitcoin.conf. Also, Tor is more anonymous for you if you act at least as a middle node, what also helps the network.
Yeah, DotCloud is all about hosting apps on their platform. ;) They have support for background processes, redis, postgres, and wsgi, so they were basically perfect for my use case. The best place to get started is DotCloud's own docs, as well as this blog post (specifically for django): http://kencochrane.net/blog/2011/04/deploying-my-django-appl...

Oh and they let you use their SSL certificate for free, which is pretty nice. The only downside is that the certificate isn't recognized by some versions of the Android browser, but I'm sure that will be fixed soon enough as their support guy is incredibly quick to respond to issues.
Then you know where to start. Read a good linear algebra text; I'd suggest Strang. He also has lectures online.

If you stumble on those, do what I just suggested for whatever you stumble on.
This isn't the right reason to start a startup.
Definitely give the courses I've mentioned in another comment a try - the material will make a lot more sense. Also keep in mind that Andrew Ng is a rather poor lecturer and many of his explanations are unclear or incomplete.
Yes, you are correct. Sorry for the confusion; I meant that courses like 10-702 should be the star course he should work at, to have some short at understanding and contributing to theory heavy side of ML.

The first basic course for the latter approach can be 10-601, it's a machine learning course meant for senior undergrads. Look at schedule and assignments.

http://www.cs.cmu.edu/~roni/10601-s10/

Also since you have interest in text mining etc. and if you want to focus on that, you can skip a lot of courses, and go directly to language and statistics-1. It's a great course if you wish to work primarily with text, and it covers the prerequisite ML.

http://www.cs.cmu.edu/~roni/11761/
>millions of USD sunk into Bitcoins lost big in the flash crash.

Seriously? Check MtGox more closely. Even down at ~$10 where it is now, only the extremely-new users who bought it at skyrocketing prices got screwed. And by "extremely-new" I mean extremely. The prices are still above where they were less than a week ago.

What we just saw was the bursting of the first large Bitcoin bubble, not the first depression. Depression for the people who bought during such a freakish rise, yes, but there will always be winners and losers in any economic game.

---

edit: On a side note, I've found Paypal's "excuse" for not allowing transactions with Bitcoin merchants a weak one at best. Why, then, have they allowed exchanges with Linden merchants like VirWoX for the past three and a half years?

---

edit2: wow, this article gets worse and worse:

>Mt. Gox is the world's largest bitcoin exchange, but it's suffered from major liquidity issues in recent weeks. The recent massive inflationary drop is also a sign of poor controls at the exchange.

Two questions: 1) why did Mt. Gox suffer? They're a trade tool, all the action has only been good for them, to the tune of 0.65% of each trade! 2) they're an exchange. If they wish to exchange at market price, what "controls" would you expect them to put in place? People pay what they want to pay, that's the way MtGox has always worked, they're just an intermediary.
A neat idea, but somewhat unnecessary for me personally as a DropBox user. I can just save locally to disk and it will appear in DropBox.
For anyone affected by this legislation, I'd encourage them to get involved with the Performance Marketing Association. They seem to be the main group (excluding merchants like Amazon) that is actively lobbying against such legislation. In fact, they recently filed suit against the Illinois Dept. of Revenue: http://performancemarketingassociation.com/pma-vs-state-of-i...
hello, can u please suggest which start up companies should we join instead of Infosys/wipro.tcs. I have just got my joining letter from Infsoys . Bt i want to learn & not want to follow any brand name. I aslo want to know what are the procedure likely in a company where u would learn?
I highly recommend Andrew Ng's lectures also. I was going through them myself, and he does a good job of explaining the intuition behind many things (of which the math, although important, is only a formalization of).

One piece of advice I would give from my own experience is that you have to play with data to get practical experience applying the methods. Machine learning is not a set of plug and play blackboxes that you can feed random input into and get clean output. You have to spend a lot of effort understanding your data and how they relate to the specific method you're using. For example, if you use linear regression as your learning model, you have to understand what kind of relationship is assumed between the inputs and outputs (in this case, that the output is a linear combination of the inputs).

I know this because when I started, I would just toss unclean, unfiltered, and untransformed data into a method and hope for good results. Of course I fed garbage in, so I got garbage out.

Another word of advice is to watch out for overfitting. Often, you'll find that your training gives you good in-sample statistics (for example, with linear regression you'll get great R^2 with high p-values). However, when you test out of sample, you'll realize quickly that most of the models you've fit are overfit to the data that you trained on. Just something to be aware of.

I guess both of these may be very abstract and useless for you right now, but hopefully one day you'll look back and able to find use for it.
Bookmarked! Thanks!

I know Machine Learning is a subset of AI, but lately I'm beginning to see it more of under Statistics. That's just my impression, I could really be wrong given my very limited knowledge.
> A couple of seconds later squarewear knows I transferred the BTC and all is done.

How do they get confirmation in a couple of seconds? I thought you had to wait for a new block to be generated/mined in order to have a confirmation?
I think the point is that very few CT residents actually pay the use tax, and the situation they're trying to catch is where the buyer is in CT.

If Amazon had a retail presence, it would be collecting that tax and forwarding it to CT, and this law was an attempt to define affiliates as a retail presence.

I agree that it's not a "business killer", but lower prices drive sales, and that's why they've fought so hard to collect nothing.

Frankly I found the one-sided slant of the article a little nauseating. Couldn't you as easily say that Amazon has been abetting tax evasion for years? Who moved your cheese? Was it the Connecticut legislature or Amazon? Well, yes.

Connecticut wants that 6%. Not sometimes. Always. So they passed a law. Given a choice between collecting a 6% tax and hanging out their long-time affiliates partners to dry, Amazon picked the latter.

Even though I live in a high-tax state with a similar use tax requirement, I don't think Amazon's position is reasonable. Use tax compliance rates are generally pitiful. Both state and the federal Internet Tax Freedom Act allow for this kind of use tax. Local sales tax collection is not optional.

The goods in question do not magically teleport into the homes of Connecticut residents. They come over state roads, often carried by state residents in big trucks. If they weren't bought over the internet, they'd be bought at stores where residents would be paying 6% or more.
These are great books, thanks! Haven't heard of WEKA but it sure looks pretty nice, must like like MLDemos?

http://www.cs.waikato.ac.nz/ml/weka/
Machine learning consists of parametric optimization to reduce some error function on training data and then use the learnt parametric model on unseen/held-out data and evaluate. The first step is to construct the right parametric model by studying the data domain and then iterate till the performance is achieved within acceptable level. Machine learning research is highly mathematical, but you can start by using some open source ML tools and tweaking the models to get a feel for the capacities of different models.

Some topics you should familiarize are: Probability Theory, EVD/SVD, ANN, ML/MAP estimation, Minimum classification error training, SVM, LMS fitting, PCA/ICA, FSM and HMM.
"I have since put Activity Monitor in my dock just in case"

Alternatively, you could right click on the Finder icon in the dock, choose 'New Finder Window' from the menu. From there you can go to the Applications / Utilities folder, and launch Activity Monitor from there.
I believe this to be sound advice, so what I'm actually thinking of right now is to go and pace slowly on the math/theory, while starting a super beginner project to get my feet wet.
It is useful if you're using a computer that is not yours.
On the other issue, re the 'horrible at math', if you can manage, work through 'Project Euler'(google it), say one a day or 3-4 a week. If you can do more, great, but the aim is to get a long-term habit going. Get into the habit of doing a few of those problems a week and you will have a working capacity with 'real math', which is more than remembering formulas.
Well.. that's sad. Add Hanes & Levis to the list of companies I won't buy from.
Thanks! Once I brushed up on the math, I'll be diving deeper onto those topics, which seemed to be math-intensive
http://news.ycombinator.com/item?id=1446801 :-(
Yes, I realize that. The practical concern is that people like to play video games, and if your high-security desktop OS doesn't let them, it will be discarded.
Facebook gets lots of resources: really smart engineers (worth much more than their salary) and tons of time/attention (that could have been spent on worthier pursuits than Farmville). It's not just cash.

(Your estimate of their cash impact is mostly correct, though: $2B in revenues for Facebook, http://schoolcenter.k12albemarle.org/education/components/la...; claims to serve ~12.000 kids in a county on ~$145M requested budget, and I could see a city having ten times as many kids.)
Exactly.

And if you assigned the numbers to the blues scale degrees, it would sound very bluesy. ;-)
I am not 100% sure, to be honest. I think there is a difference between getting to know the intent ("a payment has been triggered") and the actual confirmation (kind of like showing a printout of the money wire). The intent can spread arbitrarily fast through the network ("A has triggered a payment to B"), but only the miners can compute the actual confirmation, which takes longer. As long as the miners haven't confirmed it (by computing a block), there is the risk of double spending. I suppose those merchants simply accept that risk. They don't have to actually ship before they get the real confirmation anyway.
Yeap they are indeed abstract concepts to me right now, but it's great to have them mentioned, because they'll definitely come in handy later. thanks!
I'm Not Racist But... - How to find Racists on Facebook
In the real world nothing is Pareto equivalent or superior to anything else, except maybe for gifts given to hermits. Pareto efficiency is a purely theoretical construct.
Maybe a useful service would look like this: send BTC to any address, pay by credit card. That way shops could go BitCoin only, and people who don't want to bother setting up a bitcoin wallet could simply use that service to pay by credit card.
Yeah I already played around that site when learning Python. I actually got until (I think) problem #34. Then I sort of stopped, because I can't solved it without resorting to endless nested loops, which made me think I need to brush up on my mathematics because it is somehow limiting me when dealing with some problems. Kind of a chicken and egg situation as far as I could tell now that you mentioned it.
a recursive solution (or is it?), thanks!
Alternatively, Windows takes care of things that a normal person has no need to, but Linux forces you to do.

It's like being forced to think about breathing.
cool, thanks! bookmarking those, especially great for the text mining related course
This applies directly to startups: http://blog.rafaelcorrales.com/2010/10/entrepreneurs-keynesi...
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The thing is, the composited window managers? They're actually smoother than without due to the graphics cards. Even with minimal features (for more stability, since ahem, shipping versions of compiz aren't always crazy stable, despite how much I admire where compiz is going).

Take the time to try a composited window manager. While you're at it, install vlc, and make sure you manually tell it to "Use Hardware Acceleration". It's amazing how small things can really show you the ability of Linux.
Agreed. The people that never make mistakes are generally the people that never make anything.
Desktop Linux doesn't have a learning curve; it has a learning cliff.

Linux cribs so much from other operating systems that it's reasonably familiar and easy to use when you first sit down, but the problems start when you need to go beyond using it as a dumb terminal: perhaps you need to set up a printer, or there's an issue with networking or power management. Now you're over the cliff. It can be a nightmare for a engineer like myself to fix problems, even though I've been using Linux since the mid-90s. An unsophisticated user would be finished.

An anecdote: I'm mainly an OSX user now, but I bought an eeePC netbook a couple of years ago for travel and tried to install the then-current version of Ubuntu. This was literally one of the most popular laptops on the market, and Ubuntu installed without a functional network device. Getting it working was not easy, involving a couple of reinstallations. Even then, power management was nonfunctional and the netbook got half the battery life as it did under Windows.

The real problem with desktop Linux isn't that it's hard to use or different; it's that the average user can expect to struggle with crippling bugs and hardware incompatibilities that are a nightmare to fix.
Why not just use, this indentation style, to avoid the problem, in the first place?
Respectfully disagree that Facebook has peaked. Once growth settles down at 700 million users or so, they will roll out service after service. Start thinking about all the things you could do with it. Overthrowing countries is just the beginning.
"a major improvement would be for Bitcoin exchanges to implement mandatory market closures if the currency value dropped below a threshold"

Would anyone actually exchange real world goods for bitcoins if the exchanges close following a sudden drop? Am I missing something, or would this just drive the value (temporarily) to zero?
How I made my first $1000 online at 16 years old. Lessons Learned.
Well, that's demotivating. I always thought that producing OSS was a matter of hadcking something awesome and putting it on github with a nice readme.

Turns out you have to read a 300 page book first.
I guess these fluctuations will go on until there are many more interfaces between bitcoin and the rest of the world (ie places where you can earn and spend bitcoins).
What I don't understand is why they did't by the icloud name.

Apple seem to have bought it in 2007 according to the whois records and icloud communications bought geticloud.com in 2005

Maybe it was too expensive for them to buy before apple snatched it.
I'm not sure, unfortunately, but I assume that if you log the user in and out, requesting read-write permission the second time, it will ask.
FUD. Pic related: http://bitcoinweekly.com/articles/comic-reaction-after-drama...
The issue is that society thinks it's ok to charge $50k for a fancy car but not for a lifesaving treatment. In the former situation you have a choice, in the latter you have no choice.
http://boxcryptor.com is another option.
The goods and services with which Apple intends to use the “iCloud” mark are identical to or closely related to the goods and services that have been offered by iCloud Communications

VoIP service is not identical to nor is it closely related to content synchronization.
If you are interested in a course, save it's slides and assignments. They will be down in a few months. They keep recycling the course sites whenever a new semester starts.
Blue is a popular color in general and orange is blue's complementary color, so they are often used together.
Arguably, soap, deodorant, and candy are a lot more important and useful than most art, appreciated only by a few.
http://news.ycombinator.com/submitted?id=whoishiring
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Speaking of pale, while Bettany Priest has created a hero like Clint, it simply means a man without a name or charisma. A little 'as his dark face Monaco, The Da Vinci Code, only less self-flagellation.
Kinda hoping it's late where you are, like it is here, because otherwise your comment is pretty silly. Absolutely no one that finds this interesting is going to give a crap about playing games on it - just like nobody cares about gaming on the BSDs, or Solaris, or even Linux.
How to bring the site on first page of Google
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www.airport-limousine-services.com
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It doesn't take a clever computer scientist to set out for world peace, ending poverty and increasing health.

If you really feel so strongly about it why not set up a fund that attempt to fund exactly those 3 areas.

Talent has nothing to do with it.
Ubuntu 11.04 vs Mac OS X
Apple just bought it last month - the original registrant (ie. the 2007 creation date) of icloud.com is this company:

http://www.cloudme.com/en
Nope, just a community fan. I'm sure you/others would do the same to defend this site if it came under attack for something you deem as non-valid. There is only one person who works for LEB and that is LEA.
Is this Googles answer it iCloud? A context menu?
Yep your intuition is good -- a lot of the mathematical techniques used in Machine Learning are motivated/derived/understood from Statistics. I'd recommend starting with a broader approach to this topic. In particular, there are often simpler heuristic approaches to a problem that are reasonably good and worth trying before trying to build a full-blown ML system. What I've learned is that knowing where ML systems fail/are overkill is just as important as knowing when to use them/build them.