skysight-inc/HackerNews huggingface dataset:
Just launched tonight: thisemailwillselfdestruct.com - feedback?
A simple & fun site to send e-mails that self-destruct:
http://www.thisemailwillselfdestruct.com/

You can specify how long the message will last after it has been opened. It's an easy way to send a secure message to someone without having to worry about the message getting accidentally saved on their computer, forwarded on, etc.

A free subscription if you want to try it: http://www.thisemailwillselfdestruct.com/signup/free-promo-534b10dd8

Audience is less technical folk; i.e. not familiar with crypto or secure enterprise messaging.

What do you think?
Ah yes. Local maximum death by furious optimization. B .. b .. but our A/B tests told us that this is what people wanted!

True, we don't know what other people want, but they don't know it either (long-term).

If we always give people what they want (and nothing more), we eventually end up at the big red orgasm button, and humanity dies.
The difference between the hard sciences and soft sciences is where the difficulty comes in. Grasping the concepts of say, quantum physics, is ridiculously difficult. Once you fully understand it, it is relatively easy to apply. The principles of negotiation are easy to understand, but very difficult to apply.

People in hard sciences are typically elitist because they've had to prove themselves right up front. Making it through school is a more concrete accomplishment. Who knows if that psyc major will ever amount to anything.
I think it relates to hacker news according to the official guidelines ( http://ycombinator.com/newsguidelines.html ). This qualifies as "evidence of some interesting new phenomenon"
1) Books. A number of years ago when the startup I worked for got acquired my wife suggested that I go out and buy myself something nice to celebrate. After wandering around looking for something fun to buy and not finding anything that excited me I eventually bought myself a $10 book.

2) Things that save me time and make my life more convenient. Often this means services vs. products e.g. paying someone to do work around the house I don't want to do. I'm a sucker for convenience.

3) Good food. Because I love to eat.

4) Experiences e.g. travel. For some reason paying for something that will provide a lifetime of memories always seems worth it.

I'm not particularly price sensitive. If I perceive what I'm buying as worth it I'm happy to pay. For example, if I'm buying a steak at the butcher I'll pay more to get a really good ribeye vs. a cheaper cut.

In general I'd rather have less stuff but really enjoy what I have.
Clickable links:

http://www.thisemailwillselfdestruct.com/

http://www.thisemailwillselfdestruct.com/signup/free-promo-5...
Tablets, likely, laptops very unlikely - neither Windows or OSX run on ARM (which together make up over 98% of laptop OS market share http://gorumors.com/crunchies/operating-system-market-share/). I suppose Windows 8 and OSX 10.7 could be out before 2012 and ported, but I wouldn't bet on it....
Ask HN: Trying to find an old YC story about male accomplishment syndrome
I can't remember the article well enough to remember keywords so that I can use searchyc.com, but I was hoping someone else knows what story I'm talking about and has a link to the blog/thread. The thread linked to a blog post, where the gist of it was a woman commenting about her male friends incessant drive to be successful, and how she likened that persistent worry to the same problem women face with constant worrying about body image. Here's to hoping someone else knows what I'm talking about :)
Previous Y Combinator funded companies founded/co-founded by women
Hi everyone..I am new here and was wondering which ycombinator funded companies were founded/co-founded by women..I see from recent comments that there are about 15...I know about Indinero and Message party from recent discussions.I am just curious.

Thanks!
Madhavi
Of course. Their pace is still impressive, though.
That still doesn't change much to my argument: If the app does not behave exactly like a proper iOS app should Apple is going to reject it.

So we can forget about a simple cross-platform middleware layer that can create the same app for multiple platforms, however this is maybe less a problem for games then other applications?
I just got an error trying to sign up:

Traceback (most recent call last):
File "/base/python_runtime/python_lib/versions/1/google/appengine/ext/webapp/__init__.py", line 511, in __call__
handler.get(*groups)
File "/base/data/home/apps/thisemailwill/1.344696440624846265/main.py", line 243, in get
self.redirect(users.create_login_url('/signup'+coupon))
TypeError: cannot concatenate 'str' and 'NoneType' objects
I guess the 'female founder' thing is a hook to, um, hook us all into reading the article (including me, since I'm female and a startup co-founder), Actually, writing an article about Y Combinator is another obvious hook for this crowd. But, ultimately, I wish the article didn't mention the female thing. Lose that and suddenly this is a great article for anyone wanting to apply to YC, as well as conveying general principles for startups in general. Focusing on being female does not help female entrepreneurs get/maintain credibility - it draws attention to their gender rather than their substance as entrepreneurs.
Please link to the actual pages you are talking about. I sure would like to have a tab open to reference what you are talking about, without a google intermediary step.
Books.

Still a fan of the dead-tree variety. It's not so much paper vs e-ink, more that every new book is a new physical object with its own size, shape, weight and (sometimes) smell.
There's a credit for "lettering" so I'd assume it's hard-coded.
If you take ‘postmodern’ as denoting merely time (say, post-1980s) it does make sense.
who cares about win and macos - it will run on linux.
"Will I ever outgrow my speed demon of a computer? At this point it's hard for me to see how. Even at my peak usage, my processor never goes above 10 percent capacity, and most of the time I'm using just 1 or 2 percent. I'm confident this rig will last me at least five years, and probably more."

The SSD in the machine will probably need to be replaced.

It would be nice to know how much ram he had in the new vs old machine. I bet the SSD + more RAM was probably where most of the performance gain came from. He might have seen similar performance gain by just upgrading those two components.
Thanks! I just pushed a fix.
Try this, homemade electron microscope (appears to be WIP):

http://www.chemhacker.com/topics/stm/

Or this, a finished, working one:

http://sxm4.uni-muenster.de/introduction-en.html
Though, from the error, I think you tried to sign up without the coupon - make sure to use http://www.thisemailwillselfdestruct.com/signup/free-promo-5... so you don't have to pay ;)
This?

http://news.ycombinator.com/item?id=1601281
Hey Ramit, great comment. I think your educational experience was unique in how applicable it is to what you now do--for a non pre-professional degree.

For someone outside of college, how'd you recommend people learn those topics?
Google Docs is one big shipwreck if you happen to be logged into 5 Google Apps-powered accounts. If you try to open a document, it asks you which google apps account to use. And then it shows you a security error for all documents that don't fall under the GMAIL account.
Unfortunately, the iOS platform does not support the Objective C garbage collector available in Mac OS. Instead, memory is controlled using manual allocation and autorelease pools. So, while the TOS would permit this, a technical limit remains for the time being.
G.K. Chesterton

A century old, but often still relevant.

For instance: The Modern Martyr

http://www.online-literature.com/chesterton/all-things-consi...
Actually, you will have a more accurate effect because most web servers are VMs. Also, the ability to do snapshots/rollbacks/clones should not be underestimated. Upgrading from a dell E630 (T8100 2GB) to an E6410 (i7 8GB) and buying a technet subscription has doubled my productivity as a web developer (not an exaggeration).
That's the ticket! Thanks.
What a scumbag thing to do to your investors. How long before we see the post from Craig Newmark entitled "How I Should Have Screwed eBay When They Invested In Me"

With a post on HN entitled "How being a geek made it hard to maintain fiduciary duty to shareholders."

Craig isn't handicapped by being a geek, he's handicapped by being a cheat. Calling him a geek gives the rest of us a bad name.

Edit: Based on the discussion below I think ebay should have never gotten involved with CL in the first place. I still believe it was wrong for Craig to pull these tactics but eBay isn't so innocent either. ebay shouldn't have injected itself into such a hostel situation without a better plan.

Edit2: Reading more about the case it looks like craig won in the end anyway. The shares in the business can't be worth much because future investors will be scared they won't be able to get a board seat or have much influence in the business. Why would someone else want to invest in CL? From what I can see that's just what Craig would like.
Snitko, yes it's flash. We are working on other techs as well. In fact we recently also launched a HTML5 player. http://creately.com/blog/announcements/beautiful-new-createl...
Nick
Co-founder
They have failed at delivering Episode 3... It's becoming Valve's Duke Nukem
This was done before, but I forgot the URL. One thing I never understood is how people don't just figure: Can't the recipient photograph (or otherwise document) the e-mail?
This is good news for operating systems besides Linux, too. I might be able to run Haiku on my laptop now :)
To be fair, this is no the only thing they did, and it is a lot more visual than the other methods they tried. Visual can be good.

They had to do the same thing at a mall near where I live, they strung up safety nets to stop people jumping the 7 stories to their deaths. Of course, there weren't workers at the mall, but it is just something you can do, on top of the usual.
Or a screen capture/print?
As you said, we already have buses that can do as much as even 32GB/s (2 lane PCIe 3). I think the bottleneck wrt main memory is the scalability of DRAM. Having lots of DRAM chips helps you scale _out_ just like graphics cards. To put in comparison, Geforce 8800 Ultra has an ~100 GB/s memory bandwidth available to 128 cores (shared).
I enjoy spending money on things that will help me make more money or save money. Home entertainment saves me from spending money out and good computer hardware helps me develop faster, dual monitors, test hardware all help me make money.

I have a real hard time buying stuff that doesn't fall into those two categories for myself.
642-374 exam,Cisco Foundation for Channel Partners 642-374
Let's hope this is true. The main thing that iPhone is missing is a native gmail app and native google voice app. Apple needs to stand aside and let the best app win.
Worst. idea. ever. I hate this on Twitter, it breaks the password manager and it is an additional click just to show a login. How is it so intrusive to have 2 fields on a page?
I looked, but couldn't find any other service that does this.
He ment that the customer who uses his web page has an outdated computer.
The value comes from eliminating electromagnetic crosstalk and reducing the amount of PCB real estate dedicated to those buses. A single line of fiber can outperform several lines of copper, is made of cheaper material and sidesteps a whole swathe of engineering challenges (resonance, power dissipation, synchronization of signals across multiple lines etc.)
Nicholas Negropronte in 1984 makes 5 predictions
The leaked military information was published in German about a week ago and when reading it you find multiple references to US studies.

One of them is from the City of San Francisco who had a task force installed to look into the Peak Oil&Gas
www.sfenvironment.org/downloads/library/peakoil_final_report.pdf
It is pretty dark report when you read through the paper. One of the statements “events will unfold so badly that unemployment, hunger, and crime are prevalent, and the basic structure of society is unable to function”.
But there are some interesting and specific recommendations like "City government could push much harder to promote small businesses” or "develop southeast waterfront" and rail projects. Although I am not sure if anything will happen. But it seems some politician and planers are looking at these scenarios.
These are STMs, by the way, not electron microscopes.

Making an electron microscope is probably a more expensive task for the homebrewer, because you invariably need a vacuum-proof chamber with a door that can be opened and closed, and the pumps to evacuate it...
There is actually a specific STS specialization in CS if you're more technically inclined.
Remind HN: Saturday is StartupBootcamp @ MIT
Don't forget to mark your calendars! The event begins at 9am, I believe doors open at 8am.

Here is the main URL: http://startupbootcamp.mit.edu/

There is a meetup after the event in cambridge:

http://hfboston.com/

I think we should have a roll call of who you are, and who you want to meet!
If your data connection craps out then the native dialer won't even work.
Processor is hardly worth paying for top of the line.

I bought the new 15" MBP that was released this year with 2.4Ghz i5, and put 8GB plus an Intel X-25 SSD in there. Compared to my 2009 MBP w/ 2.4Ghz Core 2 Duo, 4GB and HDD, it's a bigger speed difference than I've ever gotten in any upgrade ever. Definitely worth paying 40x for the drive space.

It's not that the top speed is faster... it's just that the beach ball is gone. It's always responsive. I can be running test suites for a couple Rails apps, watching an HD movie, and browser testing IE6/7/8 in 3 Parallels VMs and it's always snappy. I'm totally spoiled for computers with the OS on an HD. Using my wife's new MacBook for 30 seconds starts to make my blood pressure rise.
Thanks for the feedback! What browser/OS did you play it on?
Sure, they can. The point is to make it hard, not impossible. Heck, just think of common problems caused by lazyness or human error. The service lets you send a message to someone with a _reasonable expectation_ that it won't go any further. With e-mail or normal written communication methods, you simply don't have that.
I guess so. btilly didn't mention it implicitly or otherwise. I still think it's generally right to make it explicit.
In the case I had in mind, the threads were CPU-bound and the programmers naively thought that they were running concurrently. For someone coming from a C++ or Java background, that's a natural assumption to make, and Python doesn't put up many (any) red flags to warn you on the way. For example, note that the pydoc for the module threading manages to avoid any mention of the GIL. You can learn how to create and start Python threads without having any idea that they won't run Python code concurrently.

You're right that if the threads are mostly I/O-bound, it can be a net win, although I seem to recall that even in this case, Dave Beazley's work showed that even one CPU-bound thread is enough to spoil the party significantly for the rest.
Also factor in a percentage of how many might go to voicemail, which adds in waiting for rings + message.

Even worse if the call tries again later upon no answer.

(disclaimer: I'm not a fan of continuous positive therapy after reading 'going to pieces without falling apart')
It doesn't need to be that random on your side of things. It just needs to be unexpected/unpredictable by the subject getting the reward, but in some way paired with the performance you want to elicit more of. Think of gambling, the reward is very predictable if you know the seed values and underlying algorithms, but unpredictable from the gamblers perspective.

This is a classic Variable Ratio (VR) schedule of reinforcement (http://en.wikipedia.org/wiki/Reinforcement#Schedules_of_rein...).

To get the highest rates of responding, you don't want to tie it to a known schedule, that would instead be some sort of fixed or variable interval schedule, which isn't anywhere near as reinforcing as a variable ratio one.

It should be possible to get multiple bonuses within a short period of time, as long as the desired metrics are being hit. That way, you'll continue to get strong behavior throughout the entire period rather than bursts of behavior as the end of the period nears (rather than the scalloping that you see on the wikipedia graphs).
Heh, I've already used the name Handlebars for a Mustache-related project: http://github.com/judofyr/handlebars. It's basically a JIT for Mustache which speeds up rendering. Nobody uses it, though, so I don't mind.

BTW: I've written major parts of the current Mustache implementation, do you want some help on a Ruby port?
How does a much faster computer double your productivity? Other than booting up programs, I'm rarely blocked by my computer being slow. The development I do is mainly text editing with a browser to view results.

I could see this being different if I had to wait for things to compile, though. But still, double is a pretty large claim.
The United States of Inequality
Friends, food, travel.
Use Twitter. I still keep in touch with my TA buddies there most frequently outside of Facebook.
> creates a risk to a person's safety or health, creates a risk to public safety or health, compromises national security or interferes with a investigation by law enforcement;

I'd say this criterion is clearly met in this case. When you have a general, secretary of state, and President of the United States all saying that this would cause national security issues, and put American troops in more danger, I think it's safe to say that Rackspace isn't really making a subjective decision any more.

So to you and everyone else who seems to be saying "Oh no, what if they stop hosting my site!?!": don't piss off the POTUS (and even then, you'll get a warning first).
To me, it is not at all a reasonable expectation that somebody can look at an e-mail, but not document it. It seems disingenuous. Perhaps I am more clever than your target audience.
Curious as to why you're asking?
I've never met anyone who found Farmville fun. This includes many hard-core addicts of the game. In fact, I find that most people who play it do so despite the fact that it's a pain in the ass.
I spent either money on good memorable experiences (dinners, traveling, friends etc), entertainment (movies, games) or investments in products/services which will earn back their value (books, courses, hosting etc)
Yeah, there are technical alternatives already, but it's a question of econonmics.

If there is less oil produced prices will rise and less will be consumed. There are many alternatives, but today oil is just cheap enough for many uses.

Natural gas is one alternative, that can be used instead of oil to fuel cars and for heating. There is plenty of that around. If the price of oil rises a lot more than natural gas, more people will run cars on natural gas.

Electrical cars and wood gas are other technologies that have been around for a long time, but just aren't quite as practical. But if oil becomes a lot more expensive, the alternatives will start to look better in comparison.
What this guy doesn't realize is that all the extra speed he's enjoying is probably mostly a function of his new computer having a brand new Windows 7 install on it, that hasn't been crufted up by all the various crap that eventually gets installed on it and slows everything down. If he had just reformatted and installed a fresh Windows install on his old machine, he'd be enjoying virtually the same "speed boost."
If template rendering is your major pain point you have either an amazingly well tuned system or are doing something very very wrong.
Thanks much for your detailed feedback.

We do plan on incorporating more events and activities from varied sources in the future. And yes, IE support is also on the way.
Let us not forget the MAC system: Move in After Completion.
Ick... it's like looking at some of the earliest HDR photos, when people using the tech had no idea how to use it properly.

If that's what people think when they think "HDR", it's no wonder there's been so much misguided animosity.

edit: Please to repeat after me:

Good HDR: http://blogs.adobe.com/jnack/files/images/ChristChurchCathed... (ironically, the same site links this and the video)

Bad HDR: http://www.digitalcameratracker.com/wp-content/uploads/2006/...

Good HDR: http://ursispaltenstein.ch/blog/images/uploads_img/hdr_japan...

Bad HDR: http://www.flickr.com/photos/9147703@N03/2176897085/

What have we learned?
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"But it's probably not the processor that accounts for most of the speed increase I've seen in my machine. The main help, I think, comes from the hard drive."

He's totally right about using an SSD as the boot disk, I can't overstate how much of a difference it makes, more than RAM, CPU or anything else. I've been using one for a while and it made my secondhand 3-4 year old macbook pro go from barely usable for design work to screaming top of the line.

I'm probably going to switch to a hybrid drive soon though, like the 500GB Momentus XT that comes with a 4GB SSD glued on. The big drawbacks of using a pure SSD as a boot disk are that you'll either 1) run out of space on the SSD and/or 2) forced to keep the data on a slower separate drive, assuming that you're going with a moderately priced one and not spending a gazillion dollars for one of the big ones with a lot of capacity. #2 might not matter to the OP because he said he upgraded his rig just for the web browsing, but designers like me routinely load up and work with large files, so I still get the beach ball every time Fireworks tries to open a file or save it. This is where I differ from the OP and the Jeff Atwood article he linked to: I'd rather put all of my data on just as fast a disk as the one with the OS and apps. The slowdown in opening large files is super annoying after you've gotten used to the near instant times for booting the OS and starting up apps.

If I had one of the newer MBPs that came with a SATA interface for the optical drive (instead of IDE like mine), I'd seriously consider splurging and going with Stammy's dual RAID SSD setup:

http://paulstamatiou.com/how-to-apple-macbook-pro-raid-0-arr...

Even though I can't use it for RAID, I'm still going to swap out the optical drive for an older IDE-compatible MCE optibay with a generic 500GB drive just for backups with time machine and super duper. That way I can ditch the pocket drive I've been carrying around this whole year and leave it at home for nightly backups.
1. experiences--vacations/trips
2. quality food
3. house/apartment
4. possessions
I enjoy having nice things, but fewer of them. I like to spend my money on things that I imagine my grandkids would fight over. But really, I think vacations and memories are a much better investment in the long haul. I don't buy things unless I think it's something I will still want in another year, or hopefully two or more. Eating healthy costs more, but without a doubt I think it's worthwhile to pay more to eat organic/local foods. Living in a place you feel comfortable and happy to be at is also very rewarding, just do the extra work to find a deal.
A Brief Introduction to the Java and .NET Patent Issues
Drawing you a horrible logo for only $5
The same thing happened to me when I bought a new laptop. I realized how terribly slow was my previous one. I also changed my priorities. Now I value bigger ram and CPU performance instead of Graphics performance. Maybe that's because now I have a constantly running VM with linux in background and don't play games anymore.