skysight-inc/HackerNews huggingface dataset:
You are missing out. It's a stressful experience but it will change your life.
The bad blocks are isolated from each each other so the chips are perfectly good. The NAND manufacturers bin the chips by number of defects so you can buy ones with more defects and if your firmware allows, run it at lower reported capacity. For example a 8GB chip with 1 GB of defects could be used for a 4GB flash drive with 3 GB of spare blocks. Actually this is how many of the binned parts are utilized.
This story seems to implicitly assume that damage to ancestors must mean damage to offspring, when in fact some of the epigenetic results suggest the opposite can also be true. That is, stress to ancestors can trigger changes which benefit offspring.

A multigenerational study in Sweden found that when men experienced famine at a key young age, their grandchildren lived significantly longer, even after controlling for other factors. (OTOH, I believe the result was reversed for grandmothers.) Some coverage of that research:

Radioloab podcast: http://www.radiolab.org/story/251885-you-are-what-your-grand...

Related book excerpt: http://io9.com/how-an-1836-famine-altered-the-genes-of-child...
"All your base are belong to us" post, but the contest looks interesting :-D

P.S. my English is also terrible.
"Everyone needs a mobile app"?

Are there any way someone can defend personal mobile apps for personal presence?
Paying for Ghost for hosting means you can be censored too...
I think since the premise of the author's article is that everyone should have a place where they can take more deliberate care of their online presence, it's pretty reasonable to infer that it goes without saying that one shouldn't use pejoratives like "retard" except in cases where the word itself is under discussion (like critiquing the use of the word in society, as we're doing now). Even still, I'd consider that a pretty hazardous topic to write about unless I were a linguist or in some field that made it appropriate to discuss it intellectually.

Admittedly, it's not clear whether GitHub would take down such a repository/site, but my hunch is that when it's deliberate and not casually thrown around, people wouldn't have as much footing to complain about a charged word. That being said, I'm not willing to test it, which says your point has merit just by virtue of a chilling effect.

Nevertheless, a sibling comment mentions using S3, which (I think) would be less likely to get taken down (although I've never heard of Amazon outright refusing to take down such content, so maybe the request simply hasn't happened yet).
Completely agree, the industry is very commoditized, and like all SEMIs very cyclical. Build new capacity, buy test, dry-spell, repeat. Had to fill-out the bottom-line with CMOS testing, etc.

He was building commercial testers, Sytest and then Nextest, and given the cyclical nature, the consolidation in the industry circa 2008 when Teradyne swallowed Eagle & Nextest makes sense. I'll read up on ONFI - any specifics you're curious about I can ask him directly...
I'm sure the £4.5M bonus pool paid for 'improved performance' really stuck in the craw.

http://www.independent.co.uk/news/uk/home-news/met-office-st...
The toggle animation combined with the click at the beginning of the audio is wonderful. Anybody know any non-game UIs with great sound like that? They're pretty rare but it could be cool if they come back in really subtle ways. Off the top of my head I think of iPod scroll wheel, iOS keyboard, and Facebook message alert sound. The first 2 are extremely subtle and well done, alert sounds are kind of just a necessary evil.
While it's certainly no replacement for a purring cat pressing down upon your lap, the "sleeping" preset is SPOT-ON. Great work :)
Bash Basics: xargs by example
Shenzhen is awash with this stuff...you can buy a 16GB keychain for $1 ... however you lucky if it works
Agreed, many dynamics as far as UK weather concerned and probably the hardest country/area to do a forecast due to those dynamics.

Indeed even the Guardian reports this http://www.theguardian.com/uk/2011/sep/03/uk-weather-defies-...
For an End-User Development language, it certainly would be.

Errors could be handled like Excel does, by trying to execute as much as possible of the program and highlighting at runtime the cause of the error near the point where it is produced.
Sphinx-based ReadTheDocs-friendly PHP project documentation skeleton
This is a neat hack, but beyond that, I'm not sure what the practical usage is.

If '.authorized_keys` can be modified by the user, then one-time access is easily escalated to many-time access.

If not, they can still leave a process running on the host to obtain access later. After all, you're giving them remote code execution.

You could try to prevent them from obtaining shell access and use SSH as an encrypted transport and AuthN system. That's not really discussed in the post at all.

This post is really more like "Look ma, .authorized_keys can run commands!"
Well, I wrote a book on how to monetize and price software products... http://taprun.com/pricing
Reasonable unless you want your forecast to be at all useful!
I was at the airport terminal, and my driver was less than a mile away. I entered my destination 3 counties over. Rather than having the driver enter the terminal to pick me up, it routed him to my destination (without me) and back, a total of a 30+ mile drive for the "pickup". Needless to say I canceled the ride when I saw the bug. The Uber support didn't offer much recourse.

On a side note, I had a driver go reverse on the highway when he noticed a navigation problem in the app. I complained to Uber & they offered a canned apology. After threatening to "blog" about it I finally got a refund for the inefficient routing & near death experience.
And this matches what I thought it meant. It doesn't make it useful to me in real life, though.
Indeed and also no details upon who will now run the contract is concerning in ommision and somewhat telling. So fun times ahead.
I like these kinds of concepts; simple and can really improve productivity when being played in the background. There is another app for coffee shops: https://coffitivity.com/

Although you can't modulate SFX, its still nice to run in the background.
There is an iOS app called Glitché[0] that simulates the VHS effect for images. Video is planned.

[0] http://glitche.com/
Same here. Incidentally, the firewall is increasing in size, sophistication, and consequently in its interest to us on HN. This is a worthy article despite the poor title.
What Is This Mysterious Underwater “Robot” That a Chinese Fisherman Caught?
I'm a techie and I've been using the Met Office service more recently as part of obtaining my private pilots license.

Before I get to their ability to forecast correctly I need to say that their tech appears disorganised to say the least. Check out this garbage: http://www.metoffice.gov.uk/aviation/ga. Specifically the text under General Aviation services. They attempted to release a new version of the General Aviation interface, sending all the pilots at my local club in to a tizz. They fluffed the launch of this new interface so badly they were forced to hit reverse and reopen the old app. Looks like you can still register for the new app, but they're now supporting and maintaining the old app too. Oh and to use the new app you need to create a new account...I've no idea why.

If this is at all representative of the overall state of the Met Office websites and systems I'm not surprised they're not the first choice for the BBC.

Ok so that's not great. What about the weather predictions? Well, accepting that we live in a somewhat changeable part of the world here in the UK, and given that I'm not a meteorologist take this next bit with a pinch of salt. I was due to fly at 1pm today. I shit you not the Met Office website stated severe weather warnings with heavy rain due to hit at 3pm. I checked the forecast all morning and rain was pretty much guaranteed at 3pm. The forecast was so bad I warned my other half about it as she was due to drive long distance. 1pm rolls around and it starts raining lightly. Okay - this must be the start of the heavy rain, so I write off my flight. 3pm comes around and I shit you not, bright sunshine and it's stayed bright and sunny ALL afternoon. Literally the opposite of what was forecast. Apparently the heavy rain is now due tomorrow.

Obviously the Met Office site now shows sunny with clouds. Thanks Met Office, how very kind of you to update the weather forecast to match what you can see out of your windows.
I think that any kind of discrimination produces more discrimination. When you create and attempt to sustain an environment that might be considered engaging in "'positive' discrimination" (a term that seems kind of like a joke to me), over time, it generates further--both "positive" and "negative"--discrimination.

We sometimes hear from people who try to rationalize //why it is// that such things arise, but who don't consider the full effects that these environments create in a society where we wish to view all people as equals.
Looks solid. I, for one, am glad to see an alternative to the paid ones out there that don't offer free versions when you don't want to use their extra features.

I will use this in my next project.
I'm a mild Sanders supporter, and I see absolutely nothing relevant to him in this article. Would you care to elaborate?
The only attribute you contrasted was how they compare to powershell on the axis of better or worse, and I just stated my belief that it's hard to compare them accurately due to fundamental differences. That's not a strong basis for me to make assumptions about those shells.

By asking if inferno-shell and friends were easily comparable with C-like shells I was attempting to determine if they were additionally hard to compare with powershell, and infer from that your unfamiliarity with powershell. That, obviously, was a stretch.
While I haven't heard of any project that emulated the tape-specific effects of VHS, the video game emulation community has done a lot of work on emulating NTSC. For example, Blargg's NTSC libraries[1] simulate composite and s-video derived gamma curves, blur, marginal horizontal-sync, color bleeding and fringing, and more. The color "correction" really helps the look of old game systems that were designed for NTSC.

I've seen GLSL post-process filters for MAME (or was it a MAME derivative?), too. Some of those even simulated stuff like the curved surface of a CRT. Also, there is xscreensaver's "xanalogtv" hack.

I wonder how hard it would be to modify one of these to include bad tracking.

side note: I believe MAME has (or had?) a mode that would slowly accumulate some of "brightness" from any saturated pixel that stayed the same for a large numbe4r of frames. This data was saved globally, so if you played certain old games that were very static, you would get "monitor burn" after images.

[1] http://slack.net/~ant/libs/ntsc.html
I know enough folks working at semiconductor vendors to say with certainty that their freebie Flash drives (and whatever data you stick in them) are not long for this world. Most of the chips are infant mortalities that will live just long enough to make you think good things about getting free stuff.
A capitalist state could also be totalitarian. It's not an exclusive property of socialist states.

Stalinism is awful, but that's not to say all forms of socialism are.
I'd say this approach is fine for books if you scan them, but not if you OCR them and keep the resulting text. I've seen a lot of OCR errors, and archival copies are often not vetted before being archived.

But for paintings... an image of a painting is the painting. The only advantage of the original is that, if you believe that it's the original and that it hasn't changed with the passage of time (e.g. by fading), you can prove that the original really looked like that. As soon as you have trouble with either of those assumptions, the archived copy is at least as good (and in the case of fading over time, better).

There's a problem in philosophy asking whether you believe that a molecule-for-molecule copy of a painting is metaphysically equivalent to that painting. Obviously, there's no way for any test to tell them apart, but a lot of people will say that nevertheless the original is metaphysically different. Are you one of those?
Indeed, mine is not touch.
useerup, virtually everything in your comment is irrelevant handwaving and obfuscation, including a bunch of irrelevant comments about features that are internal to the PowerShell runtime.

No matter how much you want to try to talk around it, PowerShell is a .NET CLI, the object pipeline exists within its .NET runtime, and the commands are instances of .NET classes. Unix shells work primarily with arbitrary executables outside of the shell runtime using OS system calls to create pipelines with standard streams.

Here's the cold hard fact stated yet again: PowerShell's object pipeline is functionally analogous to function chaining in languages like Ruby, Python, and JavaScript, not Unix pipelines.
It's a good question, and I think it parallels questions about efforts to attract more women into engineering. One answer might be that when people feel excluded, it can help to provide a subspace where they feel privileged. The hope is that by attracting an initial group, the field itself can be improved so that future people like them do not feel excluded. Carving out a niche for Afropunk may provide a path of entry for musicians create music that would otherwise not be created.

Another possible answer is that the goal is not to create "punk for black people", but to create (or describe) an entirely new genre. Just as one can have East Coast and West Coast punk scenes, where the participants aren't necessarily limited to their geographic origin, perhaps the goal is to have room to allow for specialization. I don't know if it is there yet, but where it really becomes interesting is when the Afropunk scene is defined by style, rather than ethnicity.

This article captures some positive aspects of each of these answers: http://www.ebony.com/entertainment-culture/afropunk-before-a.... It also includes a link to "AFROPUNK: The Movie", which has it's own answers.
Every time someone posts a Lisp REPL I think about something like this, instead of a bare bones REPL:

http://basalgangster.macgui.com/RetroMacComputing/The_Long_V...

http://franz.com/products/allegro-common-lisp/acl_ide.lhtml

Nice work though.
Yet much unrest in Germany due to massive migrant influx and why Germany who was pioneer within the EU to scap the borders is now looking at reintroducing them, whilst at the same time belittling other EU members for still having them as a means of migrant control.

So with that, whole new generations will be carrying that mistrust torch and indeed how Ukraine was handled and Russian dealings still show a mistrust greater than the people who lived thru such times.

The biggest impact though was the Stazi and a whole mistrust upon authority at some level still pertains and when the Snowden (NSAsceptic some could say given how the EU treats people who question things) was very much supported more in Germany and indeed more so than other countries in that area.
Why would you be concerned about someone who may have dyslexia?
Yes, which is why I said "Together with redundant storage of blocks" in my original comment.
I know nothing about the Met Office, but sometimes inaccurate weather like that happens because the bad weather moved elsewhere, or because it was in one part of the forecast area, and you were in another.

Next time it happens find a site like http://weatherspark.com/ and check the entire area and see if the bad weather actually is there, just not where you are.
Thanks for Buying a Tesla. Want a Tote Bag with That?
The first thing to look for is magnitude. Venezuela probably prints vastly more money, in relation to the entire money supply.

"He who refuses to do arithmetic is doomed to talk nonsense."
--- John McCarthy
There are only a few fabrication plants in the world that make nand at the current node sizes.

I do wonder if the major manufacturers dump chips that don't meet QC into no name companies. Intel does it in house under the Celeron brand. That is common in other industries, milwaukees best beer is just the bad batches of Miller.
Does he have any sort of insight on the early washout rates of the chips they ship? I dunno if you saw the recent Carnegie Mellon/Facebook paper about NAND retention, but a major finding of that is that there's definitely a "second bathtub" in NAND devices that ship, but don't live for very long in the field. Other than that, though, most of my interest in NAND starts long after they pass out of your uncle's machines and their descendents. :)

Unrelated - I work with a bunch of former Teradyne employees.
While it's true that most people have to deal with lots of legacy code, as long as their compilers are up-to-date, it doesn't prevent them from using new language features.
If you're into this type of UI perfectionism, I recently read a book on the subject called 'Microinteractions' which I highly recommend:

http://www.amazon.com/Microinteractions-Full-Color-Designing...

They give examples of designers using sound to enhance interactions. For example, slot machine designers make sure there are sounds every time the user interacts with the machine. The sounds and music also get louder and louder as the game goes on - to heighten the excitement and get the person addicted to that rush. One of the reasons why slot machines bring in more money than the movie or video game industries.

Website designers should definitely utilize this more often!
Ask HN: Will my new ultra-capacitor/battery design work?
Will my new ultra-capacitor/battery design work?

Disclaimer: A friend of mine who has a PhD in Physics from UIUC tried to solve this and gave up stumped.

Schematic: http://imgur.com/Yb5fZ2x

Challenge:
- What is the efficiency of the capacitor?
- Will there be issues with overheating? (PV=NRT)
- What are the equations that describe the energy storage capacity of this capacitor? Please keep the equations as general as possible, allowing for different density gases, voltages, capacitor sizes etc..

Design Description:
A solid conducting sphere is placed within a larger hollow conducting sphere. It is suspended in the center of the larger sphere by a thin conducting rod. Both spheres and the rod are coated with a very good insulator. A charged gas is used to fill the space between the two spheres (for example H+ gas molecules). Since the gas is charged and like charges repel the gas will tend to stay towards the outer edge of the sphere.

Charging consists of connecting the capacitors terminals to a voltage source. Electrons will flow into the smaller, inner sphere and out of the larger outer sphere. As a negative charge builds on the inner sphere the H+ ions become attracted towards the center and compressed. The more charge that builds on the inner sphere the more the gas becomes compressed and the more energy is stored in the electric fields.

Alternative designs
There are countless alternative designs. I imagine, depending on the application, there are advantages and disadvantages to each. Here is one such example:
Dual Chamber Piezoelectric/Pump: http://imgur.com/UZbJjKB (this design can be implemented with either a piston, or a stationary charge plate.)

Bonus Questions:
- How does the choice of different gases affect the properties of the capacitor?
- What are the equations describing the piezoelectric and stationary rectangular capacitor?
> East Coast US was accurate to 3 to 5 days

Interestingly in the US, the East Coast forecast is more accurate than the West Coast.

This is because the trade winds in the US mostly move West to East, so most of the Weather moves in that direction as well.

There are more weather sensors on land then in the Sea, so there is more data available to make a forecast with.
OPSEC for Dating Websites
Is it common for engineers to earn minimum wage?
Say no to spec work
I was going to post something to this effect, but I'm glad you also brought up the bragging point. I think it's safer to argue that everyone could benefit from a personal site, and the arguments the author lays out are pretty compelling in that context, but not much further.

I'd like to see a discussion over whether a personal website is a better investment of one's time (and money?) than a LinkedIn profile on balance (maybe for certain people). It may be controversial, but I imagine there are good points on both sides (more detailed insight about exposure from google analytics on someone's and better export affordances with personal sites; a real network and infrastructure on LinkedIn's side).
Kind of curious as to what this service will offer. Social networking and music has been MySpace's domain for many years so I wonder what Soundrop's take on it will be.
Correct. Patents are antithetical to a free market, as Rothbard wrote in Chapter 10 of Man, Economy, State. I don't know of a more definitive hardcore laissez-faire capitalist than that.
Not, benefits, differences.

Gremlin is an imperative "language", Cypher is declarative. The first lets you specify what will be performed, the latter describes the wished result and lets the query optimizer translate it to actual operations to retrieve it.

In a way, with Gremlin you have the absolute freedom on how to perform the traversal. With Cypher, you're working at a higher level with all the advantages of such approach (think SQL).
Thanks for the reply and links. That's quite fascinating.
I think they might be arguing against un-knowability as having the opportunity to perform structural and load bearing functionality. Nature works so well because there's no watch-maker, nobody has to have a finite set of skills, time perception, or model to create something useful/interesting/adaptive like a mind and body complex.
> After all, you're giving them remote code execution.

I may be wrong, but I believe ssh can be hardened more or less effectively against RCE, and still be of practical use (eg. for file uploads).

Edit: which you sort of say in your own comment - you and I can both imagine interesting uses :)
Is it easy to set up? One of my non-tech friends tried it and gave up.
How does that work when the percentage is supposed to cover a small area, like a town?

FWIW I've found that combining the iPhone weather app with a rain radar app gives me usefully accurate predictions of rain.

The Met Office is useful for coarser extreme weather warnings, but I don't pay much attention to its daily forecasts.
Turned out database disconnected =( try again
The worse thing about comments about pointer ownership are the big teams with lots of programmer attrition.

Eventually no one knows any longer how those comments map to the real code, because lots of those ever changing developers never update them.

Which leads to days delving into pointer related bugs.

If one is lucky to work in a shop that allows for modern C++, then it is great being able to use all the available features to avoid this type of situation.
Dog – It’s What’s for Dinner
The Kung Fury short films have what appears to be a mock head tracking offset effect. Maybe they used an actual VCR, or faked it manually, though.
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Uncovering the Truth
The met has bid for the contract, and lost the bid. The BBC and the met have both independantly confirmed tha. The met office isn't going to be providing weather data to the BBC.

Some of the staff (the presenters tended to be real meteorologists workig for the met office) might transfer over; severe weather stuff is still going to come from the met office; the Shipping Forecast is not a met office thing so should be unaffected.