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Official website: http://instapaper.mobelux.com/

Interview with Marco Arment: http://www.theverge.com/2012/6/4/3061780/marco-arment-talks-...
Allowing code signing with a certificate that we generate for and hand out to enterprise customers was certainly not something we intended to do at Microsoft. It was sloppy and a mistake on our part that we rushed to address as soon as we discovered the issue. Honestly, I think many of us are terribly embarrassed by this failure and a little surprised that no one (us included) had discovered this issue years ago. :(
Use this [1] to install and maintain various ghc/platform pairs on older versions of Ubuntu. It uses Debian's update-alternatives tool to install multiple versions side-by-side and manage which version is 'active'.

Also, you'll probably need to make sure you've got all the required libraries and their versions [2], 10.04 may need some of them upgraded, not sure.

If that doesn't work, if you have dependency issues and can't fix them, then I suggest installing Ubuntu Server 12.04 in a virtual machine and playing with Haskell there instead. Ubuntu Server is relatively small, a base install in a VM is only about 1.5GB.

1. http://news.ycombinator.com/item?id=4062692

2. http://www.vex.net/~trebla/haskell/haskell-platform.xhtml
I was skeptical too, but when I tried this app a few months ago, I compared it to my Garmin heart rate monitor at rest and after exercise - they were usually within 1bpm of each other. I was very impressed.
Aren't you glad Microsoft is the de facto code signer for UEFI Secure Boot now? ;)
a macroblock is a chunk of an image which is identified to have some constancy between frames. a sub-macroblock would be some subdivision of this for finer motion details. sub-Macroblock partitian scanning would be applying an algorithm to identify the sub-macroblocks in a set of images. Add the word "Inverse" though and now I have no idea what the hell that means.
This really doesn't have much to do with what makes computer vision difficult (or rather, interesting). I doubt very many computer vision researchers are conversent with the H.264 spec.

Typically toolkits like OpenCV take care of codecs for you (which make them quite annoyingly difficult to compile on different platforms).

(I speak as someone who had done commercial computer vision algorithm development.)
The screenshot of the Flame program in the article shows Lua code. http://graphics8.nytimes.com/images/2012/06/04/business/jpVI...
I believe the 7 passwords prior aren't checked for similarity, only equality.
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I just bought my copy of RubyMotion, does open sourcing the build-system means that I can now build iOS apps using RubyMotion for Free? If so, I just wasted $150 dollars...
There is also the OpenPandora ( http://openpandora.org/ ). It's more expensive but more powerful and supports gaming too. "Play, Code, Compile, Surf the Net. Anywhere."
In Einstein's theory of general relativity, Riemann tensor is assumed to be symmetric, due to great simplification of the theory compared to the one with non-symmetric Riemann tensor, and an absolute lack of experimental evidence to the contrary for 100 years since it was discoveried. Torsion, which is the cause of asymmetry of the Riemann tensor is set to zero. I do not know why this author is so excited about torsion tensor, the idea that torsion could be non-zero has been around for at least 90 years, but got zero traction. Disclaimer : I have a phd in string theory.
RAM buffers work well for large readonly workloads, but write heavy workloads will perform pretty poorly with that kind of configuration.

Mind you its all a compromise, if you know that disk IO isn't a factor for your application then servers like that are ideal. I just won't run a large database on it without something like MySQL Cluster using a Memory table. It would require 2 servers, but REALLY good performance, good reliability (just get 2 dual PSU servers in different cabinets).
I'm a bit sleep deprived due to children, but the first thing that pops into my head is "primates like trees". I guess as a seed, we haven't fallen too far from that tree, so to speak.
Really Heroku is a fine product but your paying a substantial cost for the service to manage some of the systems work. I say some because everyone using services like this should have a strategy to exit should some major event happen (prices raise, service becomes unreliable, company is acquired / folds)

Most of the arguments against running a dedicated server was a straw man argument. YES High Availability is expensive if your talking an app that fits on a single server, but once you can get most services running with a N+1 reliability making it substantially cheaper.

>His harddrive / memory / NIC / etc fails?

Most dedicated hosting providers have an SLA to replace. Rackspace is 1 hour. If this SLA isn't suitable you setup a cluster.

>He accidentally runs OS updates, and breaks versions of his packages?

Welcome to backups... you should have them. Yes its expensive, yes its a pain in the arse... but you should have them anyway even if your on heroku. Lets be professionals here.

> He wants to instantly rollback to a previous release of his codebase?

Welcome to code deployment tools... Just because your not on heroku doesn't mean you can't have them

>He wants to add another server to handle incoming HTTP requests?

Its called resource planning... You know what those pretty little graphs are for. Again you should be doing this regardless of the service you are on.

> He needs to spin up a database read slave to handle a high amount of read requests?

See capacity planning.

> His load balancer fails?

Fail to wire modules, Clustered load balancers, virtual load balancers on a cluster... many options

> His Fabric script stops working because he renamed his project or reorganizes his application directory tree?

Testing... read about it... It really helps. You can also mess up any codebase by messing with the directory structure and not testing.

> Or one of an infinite amount of other possible problems?

Ok... and Heroku has a bunch of other problems.

edit: fixed typos and Load balancer quote
good for you, pretty rare to find somebody today who would defend a policy where visiting a country entails a loss of freedom and privacy.
It seems like this technology can be used on historical videos. It'd be interesting to see the heart rates from past speeches where we know they lied, to see if there is a good correlation.
Heroku gets you into big trouble when their abstraction starts leaking and you need to dig deeper. If you never get to that point, this article makes sense, but when you turn that corner, expect a lot of pain.
Partially agree here with you.
Sure. Probably most relevant in terms of this forum is a book 'Artificial Life' by Steven Levy. By itself, there's nothing wrong with this book. It's very interesting, and I would actually recommend this if anyone is interested in the subject matter. The catch is, I read this right before college. The summer before. And it had a profound impact on my course selection (and thus also the things I did not pick to pursue), it affected my internships, and research study all the way through the beginning of grad school. Looking back, I think I could have spent that effort/energy on a different path. Hence my general wariness to popular science books as they often can take mediocre ideas and spin them into romantic tales.
Of course headlines have to be catchy, but this universe-in-a-black-hole concept is hardly a new one. Rather, the novel part here seems to be the idea that the connection in GR might might possess non-zero torsion, contrary to what is normally assumed.

In the whole black-holes-create-universes vein, last century the theoretical physicist Lee Smolin presented the quite delicious idea (described in his book The Life Of the Cosmos) that entire universes might be subject to the process of natural selection.

This would work if singularity formation involves the transmission of physical constants to the 'daughter' universe with slight modification, quite a thing to suppose given we don't really know what physical constants 'mean'.

If it occurred, this natural selection would optimize these constants for the production of black holes, which luckily for us co-incides with the production of life-bearing stars. Of course, all very unfalsifiable, but kinda epic.
At first I imagined that was just a gargled description of the certificates being insufficiently large to prevent a brute-force attack.

Update: others say its that the certificate was mis-configured to allow those fetching the cert to sign themselves as MS... oops.
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2nd this - I took the molding class, and it's surprisingly easy to use. The real issue is that moldmaking is hard. The Tormach is a small piece. Still though - crazy that small scale injection molding is that accessible.
pocket (formerly read it later) kind of filled the niche already I wonder if there is any advantage to switch.
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Hm, okay... the intro text apparently disappears as soon as you click start.
I don't have a PhD in string theory, but would like to make the point that many times in the history of science ideas that were originally regarded as uninteresting lie dormant for a long time only to usefully surface much later in the context of new evidence.

In this case, the researcher seems to be excited specifically because of the potential of torsion to explain dark energy -- a recently discovered phenomena (although of course, oddly presaged by Einstein's cosmological constant hack).
This problem seems to be fixed in recent versions of Oracle:

https://blogs.oracle.com/optimizer/entry/explain_adaptive_cu...
Awful mistake, sorry, completely forgot about that issue. Will be fixed ASAP. However, there is "new" event, which gets fired on every new page. You can listen to it using $.joconut.on, see Readme in GitHub repository at https://github.com/vdemedes/joconut.

Thanks, glad you like it!
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Imagine when everyone is an amateur polygraphist ... some conversations are going to become unnecessarily fraught.
I looked around on your site a bit more and it seems the main manufacturing method is to send it to some third party to magically print. That's fine; I'm sure someone messes around with a file at some point, but since it's not me, I guess I don't care.
I was under the impression that micro-expressions (I assume you're referring to them) were very short in duration rather than in magnitude. So this would be the wrong kind of amplification.
Agree, I will add "before" and "after" events to the Joconut, so that developer can listen to them and display progress indicator he likes.
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Just like you aren't allowed to keep your phone on the table.
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These guys are going to make millions on baby monitors alone.
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What about using this on a crowd of people? You could get an idea of what impact your particular statements are having on them.

It could be interesting to look over old films of riots to see how they may have been instigated...
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The use I thought of was figuring out when your date was trying to perk up the courage to kiss you.

And personally, I don't think any of the "modern-day lies" that people tell would cause any kind of increase in heart rate.
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Michel Danino's "Lost River: On the Trail Of The Saraswati" is a pretty good survey of this view of climate change and eastward migration. http://www.amazon.com/Lost-River-The-Trail-Sarasvati/dp/0143...

Edit: Edited for spelling
The classical theory of gravity with torsion certainly does not explain dark matter. The author is trying to build some quantum theory of gravity, where torsion is required, speculating that it would explain dark matter. I should add here that the attempts to build a quantum theory of gravity without torsion failed in the last 100 years (string theory is the best candidate), and the author is trying to add even more complexity by adding torsion tensor.
It never made sense to me that an manufactured android would be easiest to detect using a psychology test instead of say, X-raying them.
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This is kind of the stock-negative comment that I don't like about HN. It would be redeemed if it had a link, but instead its just a look-how-cool-I-am-that-I'm-not-impressed-by-this actually-pretty-awesome-technology-demo, dammit.
It's just one of many reasons why Microsoft alone shouldn't decide what operating systems can work on UEFI machines. If the future is UEFI, then we need an industry body like the W3C or something to work with OS vendors, not just Microsoft.
Congratulations for, what seems to me, opening up the door [1] to a new world of CV applications! And of course for having the courage to commercialize it while your academic career is taking off.

[1] famous illustration from the enlightenment:
http://www.lehrer.uni-karlsruhe.de/~za874/homepage/aufklaeru...
I agree. This article smells like yet another correlation-not-causation victim.
I looked at OpenShifts codebase and I would throw this away after 15 minutes of code review. Looks like they wrote it in Rails because it was cool at the time, but had no idea how to build Rails apps.
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I was just having a conversation today about whether you could reduce the crime rate in an area just by planting more trees.
I agree that is by far the most likely case, but if you wanted to give the USG a backdoor to sign code, this is also exactly how you'd do it -- as a deniable oversight, which, when found, could be explained as a simple oversight and rapidly corrected.
Dynamic linking addressed was a solution to a lot more issues than just not having enough physical memory. It provided convenient ways to ensure consistent modules between otherwise unrelated processes, to upgrade functionality on all processes on a platform without altering them, to insulate programs from changes to the underlying platform, etc.
Overall, very sound advice. I wish the article had mentioned buying a bond index fund as well though. Bonds tend to go up when stocks go down. So a bond index fund will reduce risk by increasing the diversification in your portfolio.

Also, Vanguard has very low fees for their index funds.
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Rather than average investors, he seems to be targeting risk-averse older investors.

Picking individual stocks is riskier, and more volatile sure, but even average investors can leverage that.,
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Perhaps failure is often due to other aspects, not the development process?
How is this not racketeering?
Why read blogs?
It doesn't really seem like something the W3C would be involved with. The IEEE isn't perfect, but should be able to look after something like this.
Yea, it's not like people flock from all over the world to get a tertiary education in the US.

But seriously, a tiny country with an absolute monarchy can change much faster than a country with massive, formalized bureaucracy/checks and balances. This can be good and bad.
Maybe you can propose a better signer? The OEMs seem willing to add keys for Red Hat and probably anyone else that can come up with a trustworthy solution that can keep rogue malware at bay.

It's not like other software projects or companies didn't have grave security failures.

http://www.theregister.co.uk/2008/05/21/massive_debian_opens...
micro-expressions .. were very short in duration rather than in magnitude. So this would be the wrong kind of amplification

This is exactly the kind of amplification you need. Something like the movement caused by mirror of an SLR camera (at the end of their demo) is very very short in duration, but they amplify the magnitude AND slow the video to allow it to be visible.
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Perhaps this helps explain Fermi's paradox (at least partly) ... some of the many, many aliens we should have found by now might be living either out in the parent universe, or inside other black holes in our universe. I'm way out on a limb here, but it's an interesting speculation. Whadda you think?
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Do you think it would be possible to see shifts in photosynthetic activity in plants due to low/high nutrients/humidity? Especially when IR-filter removed?
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According to the paper, it is really quite a simple idea.

Imagine a filter that one might use in an audio context that boosts the amplitude of frequencies falling in a certain range. But now imagine applying that filter to a timeseries that actually comes from the intensity of a single pixel over time.

This has the effect of emphasizing motions that occur over timescales that correspond to the selected band of frequencies.

The reason this is true actually comes back to the Fourier transform -- you can imagine the motion of part of a complex image to be composed out of the linear combination of many simpler 'sinusoidal motions', each of which is being amplified by the per-pixel filter.
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but i think they got their point across well enough; technical trvialities don't matter at all in this case.
It is pretty clear what he meant; any patent that makes a ridiculously broad generalization was created just to sue everyone and get money or to take its competitors out of business.

Example:
I patent the way of moving my leg in front of my other leg when that other leg is my only limb supporting my weight in order to repeat this process to make a displacement of my body mass (AKA walking)
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"Windows 8 – Who moved my desktop?" was also the title when I saw the article six hours ago shortly after it was submitted to HN. My comment was regarding the title of the submission.
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No, my point is that micro-expressions don't need to be amplified, because they are perfectly large in magnitude, just very short. So all you need is a freeze-frame.
From Fedora's blog:

An alternative was producing some sort of overall Linux key. It turns out that this is also difficult, since it would mean finding an entity who was willing to take responsibility for managing signing or key distribution. That means having the ability to keep the root key absolutely secure and perform adequate validation of people asking for signing. That's expensive. Like millions of dollars expensive. It would also take a lot of time to set up, and that's not really time we had. And, finally, nobody was jumping at the opportunity to volunteer. So no generic Linux key.

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Oh, I agree.. If I didn't live the longest possible latency (.au >= 300ms) from them I would have had my cluster on them a long time ago.
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You may find that there is a huge difference in the knowledge you have acquired as a SysAdmin and that required to complete a MS. If you do decide to pursue the studies, I would expect that you will be looking for a very different role based upon your additional (although green) level of CS knowledge.

You didn't say what sort of organisation you work for. Maybe you should discuss the idea with HR, there might be a career development path open to you that will allow you to better integrate your newly acquired skills. Maybe, doing the studies part-time would be better than full-time.
Am I the only one thinking how cool it would be to map income inequality using computer vision on satellite photographs of cities by counting trees or greenness?
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Sounds great, hopefully Qatar is more careful with its wealth than Dubai has been in recent years.
Good debate, and at the end, if u plan to write software for ppl to use, then consider use heroku, if u plan to work on hardware site like heroku company, then learning those manage and slove problem skill.one last thing is, it still not bad to learn those skill, after all, it's a knowledge
Does it claim the entire problem (by handwaving around aspects which will necessarily appear in any possible solution) rather than a specific solution which might be invented around? Is it the solution any practitioner will immediately produce upon first facing the problem (i.e., what "obvious" means everywhere outside patent law), so devoid of creative steps that writing it down was considered a waste of time? Was it "disclosed" in the patent repository (that mountain of obfuscated drivel we're well advised never to look at, on penalty of bigger lawsuits) and nowhere else?
i sometimes wish that there's some sort of darwinian selection system that could be put in place, in order to improve the overall efficiency and productivity of companies...but then again, i m writing this from my work terminal...
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