skysight-inc/HackerNews huggingface dataset:
Notice how similar this is to what happened when programming computers was made easier through the introduction of high level languages. CSS (and HTML) are the the Assembly Language of web page layout. The more standardized they become, the more it makes sense to use higher level abstractions in order to produce code. JavaScript frameworks which hide particularities of the different browsers are another part of the same equation. This is progress.
You didn't read the article very well. he simply states that it would be used by fewer users directly.
And I have a giant monitor. But you and me are unique in that we realize this can be done, and have a 'spare' computer 9that we're not using for personal use) to do it.
Shotgun clause
It's pretty common these days - most Windows infrastructure folk I work with check a new product for Powershell support as a purchase condition.
He's not really doing analysis though- he's more trolling the west coast and posturing.
My bank (ANZ) has new ATMs with prominent, translucent green housings around the card slot that flash when the card is inserted or removed. It's a very distinctive design, and one that I feel must have been crafted specifically to mitigate these kinds of attacks.
Admittedly, I'm no longer seriously in the market for Windows software (and haven't been for a long while), so I wasn't even aware that "powershell support" was a possible selling point. What are some examples of software that do have powershell support? I could see it making a big difference with some system management tasks.
I suspect you aren't using it to its full potential. It's not enough just to take bits of CSS that are exactly the same and put them into mixins. When you start seeing patterns, places where you're using the same idea with slight variations, then you can make a mixin with arguments that you can use for that idea whenever you need it again. That's when Sass really starts to shine.
Welcome to Sign Hacker
I'm disappointed you didn't use 'paradigm', I almost had bingo.
Computers were still a niche tool 40 years after their invention.

I think that once people realise applications that apply to the mainstream they will become as cheap and as widespread as inkjet printers.
That's not syntax.
There is actually a very simple solution that a bank could use to mitigate this issue - just send a SMS everytime there is an ATM withdrawal.

I believe the bank I've just moved to (http://www.kotak.com/) does do this. It sends me an SMS for every transaction done so far (I haven't used the ATM yet).
He's talking about http://np.ironhelmet.com/ - I'm currently bitter-sweetly loving it (huge overlap with a personal project that I keep ditching in deference to work).
> It'd be SO easy to fake even ridiculously complex performances

Given the number of full playback performances that are already happening, I don't suppose the faking could get any worse. "Real" musicians will never fake a performance others in the industry will use all means available to them to fake their way to fame and fortune. Both ends of this spectrum are targeting different audiences though.
And how does that spell the "demise" of CSS?
"Since the speed that people swipe is going to be variable, it can't be too hard to read a card without knowing the speed."

The speed just has to be fairly constant within a single swipe - then you can adjust for it. It usually is when humans do that - human hand has quite an inertia.

The security feature on ATMs makes it vary wildly within a single swipe.
Http://100-about.blogspot.com/2010/01/skin-lightening-report.html
Have you tried Chrome?
The CleverCSS Python module has a very similar set of features: http://sandbox.pocoo.org/clevercss/
The idea is that it's the demise of CSS as the primary language used to style webpages. CSS would still be used as a compile target, but most people would write in higher-level languages like Sass or its descendants.

"Demise" here is probably too strong -- a better word might be "waning".
Congrats. But let me tell you this straight: you are not making money (yet). You are now cash-flow positive.

So start paying up your debts. Did you say you don't have any? that's a lie: you owe yourself some (a lot) working hours for programming, distributing, promoting the app.

Also, you had to buy a mac which is also an expense, an iphone or ipod touch, etc...

Step one: sum all that money. Put it wherever you like and feel free to spend it: It's your delayed salary.

The next step is trying to figure out how much money you need to "forget" about getting money everyday.

Maybe 10k/month or 20k/month to cover all your living expenses and get all (physical) things you want without having to worry about money. Let's suppose you're happy with $20k/month (tax free, of course).

Step 2: How much money do you need to have to get $20k in interest ? Figure out that sum. Remember that next year today's $20k will be something like $19,002 or something like that.

First: Keep making money (selling your app, and building one or two more).

Second: Invest in something like bonds (us, corporate bonds, etc...) with good credit rating. You may earn between 1.5% - 8% yearly (if you can buy bonds at discount, better).

Third: Invest in stock, funds, etc... just follow the tide: don't try to outsmart the market because you will fail.

Fourth: When you have time, start looking at derivates. Then, build your own guaranteed-credit deposit with options and swaps. Beat next year inflation (mostly on autopilot).

Five: Enjoy !
Some good advice here cheers :)

The customer that originally wanted printed advertising was my dad :) He'd been struggling with keeping his printed advertising in line with his website for some time.

The product I'm building was originally aimed more at bricks-and-mortar store owners who wanted an website (most of these guys don't need ecommerce) - the ecommerce part of it came much later.

Most bricks and mortar stores rely on some type of printed advertising - it forms an important part of all physical retailing - just look at all the large retailers - Officeworks, K-Mart etc - they all have printed catalogues being generated on a 4-8 week cycle. These types of catalogues were out of reach for small business owners - they either have to pay $500-$1000 for each one to be designed or they have to try to create their own marketing materials using Word or Photoshop.

I certainly see what you mean about ecommerce being difficult to break through - there are just so many options out there.

My gut feeling is that local bricks and mortar merchants in South Australia, where i'm from will respond to a site builder + catalogue designer more strongly than purely online retailers. Thats why I've also registered www.localsa.com.au to promote this product under that brand. This approach will of course require a more traditional sales approach ie knocking on doors and cold calling.

So my approach will be two pronged - ecommerce merchants targeted through the generic wizifi brand and local merchants tageted through the localsa brand.

Will be interesting to see which works better.

I know it's probably naive to think this way but I only need 125 customers to match my current salary. Maybe I'm being optimistic, but that number doesn't seem too unatainable - especially since what i'm really selling is hosting with the site builder and catalogue software as value added.

The idea of targeting a niche is a good one - now to find a bunch of under-serviced people ;)
We have those all over the place. I suspect that you are right that we could be doing a better job of things though. It just seems to be another layer of abstraction which doesn't abstract enough for it to be worth it. Personal preference I suppose. I really do like being able to have 'functions' and variables though.
There is a slight difference conceptually. The goal/concept of CSS is to simply html AND provide a means to generate advanced layouts (while keeping the simplicity). The goal/concept of Sass is to speed up the process of writing CSS because well, even if you know what you want, it's pretty damn time consuming. (Note: I say the exact same thing about html and will prove a `post script`.)

And when I said it would incorporate some of the features, I really meant "Eventually CSS may become a very primitive scripting language with variables and functions," but I didn't quite say that because at the same time I'm thinking "JAVASCRIPT!" So to be honest, imho, CSS will never incorporate anything from Sass- ever. However, there is a good chance text editors (inferable via my `post script`) will.

P.S
I recently pounced upon a project called zen coding: http://code.google.com/p/zen-coding/

Does pretty much the same thing, but with html. It's a plugin and there is support for different editors. It's pretty awesome- By does pretty much the same thing, I mean it allows you to write html code very quickly by writing in a "shorthand."
CleverCSS has a significantly smaller feature set than Sass. It doesn't support mixins, dynamic selectors, and a host of other Sass features.
World's largest confectionary is here - Cadbury takeover by Kraft
I have an ecommerce site running on Prestashop and the features of your site are not particularly compelling to me. However, if there was a good hosted ecommerce site builder available at the time I installed Prestashop that only charged a monthly fee and not a percentage of sales, I would have used it.
Crafted content vs. Immediate relevancy
That was my impression at first glance, but look at his description of the steps involved in signing up with a three element form versus signing up via email, and ignore the sarcasm for a second. His conclusion is correct and would not have occurred to me absent reading the article.
There seems to be a contradiction in his argument. He talks a lot about the signup pages, focusing on what he guesses is Tumblr's much higher conversion rate and the reasons for why that conversion rate is high. Shortly thereafter, he lays into Posterous for being too metrics-driven. How could a company that's too metrics-driven let themselves get crushed (again, according to the author's guess) on something as important as signup page conversions?

The whole piece has this arbitrary anti-Silicon Valley animus that I don't really get and which doesn't seem to serve any purpose.

It's useful to talk about conversion rates, the importance of good UI/UX, and what Tumblr and Posterous do or don't do well, but the broader, hand-waving indictment of Silicon Valley doesn't add anything.

(Also, the author doesn't directly do this, but articles like this can falsely suggest that the two companies at hand are playing a zero-sum game.)
Thanks for taking the time to give me feedback. Could you elaborate on 'the features of your site are not particularly compelling to me'.

Would help me to build a better product :)
The radio does not support AT&T's 3G frequencies. If you are fine with GPRS/EDGE, you could already be using it on AT&T.
It's $530 and it doesn't come rooted? WTF.
Assuming the Cygwin binaries don't self-mutate, you only pay their cost once. Dunno about VMWare, but VirtualBox's snapshots are copy-on-write.
Avatar censored in China - fear of fermenting unrest
How to cut the cost of using a mobile abroad ?
Privacy in Hostile Environments?
A Personal Computer for Children of All Ages
The TC article mentions collaborative editing (creating powerpoints - to be specific) as one of the features they could add. Given that EtherPad is now opensource, MeetingMix can seriously consider adding this feature.
Related idea and discussion here:

http://news.ycombinator.com/item?id=798009
Isn't this just spam? Or am I missing some real content?
Same comment as for http://news.ycombinator.com/item?id=1061674

Isn't this just spam? Or am I missing some real content?
You have already done this
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some got one for python?
Just thought i should mention soup.io (i am not affiliated with them) which i found to be wonderful in design and functionality. It aggregates my flickr, last.fm, picasa updates into one blog and posts new blog entries automatically on facebook. While mobile i can just send new images/texts/links to a cryptic mail address which gets posted. Love it!
Google Wave Versus the Rest, Feature by Feature
Imagine a planet-sized sponge...
I never understood the American fascination with spending an entire decade of one's life playing the same character and saying the same jokes. After two seasons it's time to move on and do something different with your life.
My business has no retail presence so a printed catalog is unnecessary. At this point it doesn't make sense for me to switch to another shopping cart, but I think you're going after a perfectly fine market. The market for online store builders is really quite large; it's mostly a marketing challenge. If you have a strategy for reaching out to businesses in your region I think you're going to do fine.
Looking at the Tumblr landing page on a touchscreen PC makes me feel like someone is trying to tell me "MASH THE BUTTON WITH YOUR PALM TO MAKE IT GO."

It's probably just because I'm not who Tumblr is for, of course. But it's still interesting to ask: can you overdo design simplicity?
It's currently available from Google's cache (though probably not for long).

http://www.google.com/search?q=cache:http://x264dev.multimed...

Interesting as it is, I think "fails" is a bit of an exaggeration. It (gcc, icc, "others") misses a semi-obvious optimization.
Then I guess the original language isn't English either.
OK, so now you know it can be done in 19 tries, let's see if it can be done in fewer. Let's go for 18.

That means I can first drop the egg from the 18th floor and if it breaks, try 1 through 17. If it doesn't break then I've used one attempt and I'm allowed 17 more.

Let's try the 35th floor. If it breaks then I can try 19 through 34, again a maximum of 18 (2 already plus another 16). If it doesn't break then I've used two attempts and I'm allowed 16 more.

Continuing like this I can get up to 171, and spotting that pattern shows that 171 is 18x(18+1)/1, or the sum of numbers 1 through 18.

OK, so I should be able to get 100 floors with a starting value of 14. 14x(14+1)/2 = 105, and a check check shows I can do that.

So I can do it in 14, which I'm pretty sure is less than your 19. Given that you asked:

What is the minimum number of tries
needed to find that information?

I think you're wrong.

In fact, I think the author has been seduced by the "double up till you exceed your target, then fill in the gap" strategy. He has then stopped at what he thinks is a good solution without really investigating further. That is, in this case inappropriate.

The better strategy is "divide and conquer."

So let's drop the egg from the 50th floor. Whether it breaks or not we can use the other egg to cover the half we want, so using at most 1+50 tests.

But the two halves aren't equal, firstly because if it doesn't break we can use it again in the top half, dropping it from 75, and secondly because we've already used one drop.

This is, of course, all assuming that eggs are completely undamaged/unchanged by all these drops, but I've treated this as the puzzle you intended, rather than haring off on creative side-tracks. I'm assuming you want someone uncreative.

Do I get the job?
I don't know exactly how it's implemented (tptacek and cperciva would probably have a field day with it) but I think the idea is to prevent exactly such replay attacks by generating the challenge on the bank's central servers.
A magnetic card writer should definitely do the trick...
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Thanks rms I appreciate the feedback. I think you're right that the success of this product really boils down to a marketing challenge. I guess that applies to all products, but maybe more so when dealing with so much competition.
And the "Don't be evil" motto.. I'm pretty sure that would be evil.
Did you even open the link?
I had an idea I had seen at least one a while ago, so I hit search for "python modules spreadsheet", and fished out this (cross-platform, GTK+) at the top:

http://pyspread.sourceforge.net/

The rest of the results also include some xls/odf read/write modules. Coupling with Google docs/whatever may be another idea.
Since online thieves are already called "pirates", we need a new name for these hooligans. I propose "rats"!
Actually, I looked at the site again today and they said that they have fixed that. I guess if you don't hear it then it has been fixed.
You're right that Tumblr's social aspects are more developed than Posterous's and that this has been a huge driver of their growth but to me that's not so much solving two different problems as Tumblr being more smartly designed -- realizing that blogging, even minimalist blogging, is inherently social.

As for Tumblr's top tier investors -- sure, that's true. I was trying to emphasize that Posterous, on paper, has everything it takes to win.
IANAL but I don't think that applies here. He links to what is essentially a spam submission in the first paragraph so it seems reasonable to expect the other submissions will also be available.
Thanks.

Am I trolling? I don't think so, insofar as I use a provocative example to illustrate trends that I do think are important: the coming of age of New York as a startup hub and as a "school" for building consumer startups, and the growing importance of design vs. "hard" technology in building a successful consumer web app.
Thanks. Duly noted.

The Compete data seems to show Posterous stagnating just shy of 1M uniques for the past few months while Tumblr's curve is stuck "up and to the right," though.
I agree with you but I do sympathise with one creative dilemma I've run into over and over again with digital music.

The number of options you have is overwhelming. On a certain level I appreciate the number of options I'm afforded. On the other hand I feel like 'tweaking this' and 'changing that' takes a front seat, and the actual production of something worthwhile gets left behind.

Take a look at all of the overproduced albums you hear these days. It's not digital music's fault-- but it's a common problem.
The signup pages are an example of a broader mindset which is different at Tumblr and at Posterous and which in turn, to me, exemplifies broader trends for startups. That's what I think is interesting.

I'm not saying startups should not be metrics-driven. Design and engineering are both driven by metrics. But they're different mindsets. And in this case, one is clearly winning.

You're also right that the zero-sum fallacy is wrong. However, those two companies are competitors in the market and one, at least on publicly available data, is winning hands down.
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2576
Thanks.

The Company A vs Company B thing is just (to my mind) a particularly stark example of these broader points I try to make.
Actually, it shows the past 12 months.
Hang on, why does the label allow them to upload videos to Vimeo?
I don't know for certain if MTV have any special deals with the music companies (I did used to work for EMI but not in royalties) but everyone who plays music public needs to pay for it. This includes radio and TV stations.

I think the point probably is that music videos tended to be given away as freebies (although public playing of them would still incur a royalty payment) but now the music video is seen as part of the sellable product. I was actually part of the team that helped implement the technology part of this at EMI some years ago.
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First off, "most people" won't be using Sass instead of writing CSS directly, any time soon.

Sass hasn't really been picked up at all in the design community (who are the primary users of CSS), it's a programmer's solution to a programmer's problem — the designers' point of view seems to be that Sass doesn't solve any of their problems, it only adds complexity.

Now, I like Sass just fine, but this isn't about me, this is about the retarded "idea" that Sass would somehow spell CSS's "demise" (and that's assuming we completely ignore that Sass produces CSS — the very thing which demise it is supposed to cause).
Unix is simple. It just takes a genius to understand its simplicity. - Dennis Ritchie

The X server has to be the biggest program I've ever seen that doesn't do anything for you. - ken
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I don't think this thing called "intuition" is all that mysterious. It seems to me it's just a result of extensive training of the neural network we call carry underneath our hats. Study a lot of chess games, and you'll absorb a lot of chess knowledge, even if you can't output that knowledge in the form of a set of rules. Really, it reminds me a lot of how after a few years of foreign language study, a lot of the grammar rules one would learn in a first-year course fade away into the background and become more of a gestalt knowledge of basic language forms (which is really just a fancy-shmancy way of saying "you know what sounds right and what sounds wrong.")
Ask HN: Resources for 3D solid modeling
Hello everyone,

I'm interested in 3d solid modeling programming.
Before working as programmer I was a draftsman and used tools such as AutoCAD and 3dsMax mainly to design exhibit booths, and working with these tools I always been curious about developing a tool like these.

I've looked for books or other resources on the topic and, while I found some books on 3d topics, like splines and nurbs surfaces (that is - non-solid geometry), I've never found a book that specifically covers 3d modeling. I mean build real solid volumes that have mass, that you can compute volume, do boolean operations with other objects etc.

I know there are OpenCascade (a open source modeling library), but I want to study the algorithms and math involved on it, not just use some pre-built objects.
Do you know of any books on the topic or further directions?

Thanks, this is my first submission, sorry for the lousy english -- I'm no native speaker.
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Geek love? definitely nerdy-cool. "I got the best present a girl developer..."
But sadly you have to consider the browser's implementation. Or are you referring to the little macros's or mixins or whatever they are called?
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