skysight-inc/HackerNews huggingface dataset:
A budget android tablet can cost slightly less than $60, and comes with the touch display, the processing power ( more than a raspberry's), the memory (more than a raspberry's), embedded wifi, bluetooth, sometimes GPS, two cameras.

Don't get me wrong, i love the pi, and the problem is not the price tag of the pi + accessories but the unsustainable pricetag of entry level android tablets.

Plus the pi comes with its GPIO, raspbian, and is more suited than an aout of the box android tablet for most projects.
Before shooting this down as expensive can we stick to comparing like with like, the device is intended to have a long life span so educators can build quality teaching resources based on the platform.
I agree. It was pretty powerfull stuff:

I’m not trying to send you out “on the road” in search of Valhalla, but merely pointing out that it is not necessary to accept the choices handed down to you by life as you know it. There is more to it than that — no one HAS to do something he doesn’t want to do for the rest of his life.
Patent Law shouldn't block any sale. It should at most lead to reasonable financial compensation of the inventors.
>I just found a 7-inch tablet for £28 ($43.10) on Amazon (plus a camera and RAM and stuff). Including taxes and shipping. Why is this so expensive?

Sales volumes determine economies of scale, it is likely the £28 tablet was made in quantities much larger than the pi screen (I'd guess at least 2 orders of magnitude).

Also, not all screens are equal. It's not just resolution: there's colour reproduction, viewing angles, brightness, contrast and response time. On the non-technical side mentioned on the blog, they mentioned they wanted a manufacture who would make the panel for a long time. I would bet a dollar that Pi screen beats the £28-tablet display on all the above parameters
And likely not available anymore a year from now.
"For Dummies"? This is still not dumb enough for me. Maybe someone in the HN community can dumb it down further?
Start/Stop and Turbos are fine. I experience both in my 2012 Z4. That little turbo hardtop car is averaging over thirty miles per gallon for me while driving locally/commuting and hit forty on a long distance trip. So all that mileage and fun, I will take it.

BMW is going to PHEV/Hybrid all their cars within five to ten years so I expect we will get used to it. Far better option than lugging around eight hundred or more pounds of battery. Figure your going to end up with quite a few three cylinder engines and such until eventually replaced by some form of fuel cell and buffer battery.

I don't think BMW is losing its handling prowess, I do think others are catching up and a few surpass them here and there; Jaguar is getting good marks.
So now I don't have to use inline styles, just spam my css file with margin:0-100 and padding:0-100 classes, and I'm good to go?
This doesn't result in very readable markup or have any of the benefits of actual inline CSS, so I don't really see the need here.
I think what courses often fail at is to specifically mention that all of these things are abstractions invented by people to deal with a specific issue and then WHY IT HELPS solving this issue.

Whenever I studied Linear Algebra it was simply "here's a matrix, here is some algorithm, use it to get some number seemingly coming out of nowhere and just believe us that this number is what you really need."

Note that I am not immediately interested in mathematical proof of why this method is correct. I want a plain English explanation of what is going on but instead you usually just get a bunch of notation to digest.
startssl.com has a different business model - you pay for verification (fairly cheaply), not for the certificates themselves. BUT, they charge you $25 for revocation.

So I'd assume that this is kind of a "bulletproof" - if you don't pay, they won't revoke.
I don't think it's much of a paradox that people who excel at memorization and taking tests (and choose to pursue such a demanding test and work on it for years) are not that good at doing actual meaningful work afterwards.

I'd venture that a lot of effective, hard-working, achieving people would simply not spend so much time and energy on such a test. Given the amount of memorization involved, it probably discriminates for people with a faith and trust in the established system, more like ineffective bureaucrats than reformers.
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£58... Even if you take the VAT off that it's still £48...

$60 is only £39. Why is it so much more expensive in the UK, when it's fricking made here?
The 6502 only had a few layers of metal connections. I'm not sure how well the etching would work on modern processors (though in theory of course it should be possible).
Have you tried isync? I was using offlineimap before, but found it buggy and inefficient.
Code Plagiarism
Mad Steve – Lab Report 1: Launch and first week madness
There are a number of minor errors in the post:

GPS time doesn't have leap seconds. GPS time contains leap seconds, but it will not recognize any further leap seconds. GPS time contains nine leap seconds-- the nine that occurred before creation of GPS time in 1980. GPS time is 19 seconds ahead of TAI (9 leap seconds plus the 10 differential between utc and tai from 1950 or 1960) and 17 seconds behind UTC.

This number (GPS-UTC) will grow as more leap seconds are inserted in the future. This is not the entire picture and it is important that people do not hard code this assumption into their programs. Leap seconds can also be removed, that is GPS-UTC can also shrink. This has never happened but there is no point in hardcoding incorrect ideas about time scales in your program.

ntpd will act like all of its sources are insane, with huge offsets and jitter values approaching -17000 milliseconds. Jitter values will not approach 17k milliseconds. Jitter is the variance between repeated measurements of a configured peer.
Check out Frida (iOS and Android) http://www.frida.re/
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Uh, I'd rather see them adding a fast interface to connect SSD drive
That might all be the case. I would simply like a thoughtful introduction to the topic about where this abstraction comes from. What is the idea behind it and what was the motivation for its invention?

After I understand the plain English concept, then give me the math notation and proof and applications.

The way it works today is often to simply leave out the first part and I believe this is why many people find it hard to develop intuition and a real understanding of the concept.

For man it's just there, you memorize it, you apply it, you take the result and simply have faith that it is what you need because some book/ prof said to solve problem X use eigenvalues.
Copy+paste? It's rare that I write an email that's more than a couple of paragraphs, but when I need to, it only takes a second to copy the text over from a real editor.
On demand small and medium programming tasks
For anyone currently going through algorithms and data structures, this is really nice.
I would also like to suggest VisuAlgo.[1]

[1]: http://visualgo.net
My view is that the people who get to matrix algebra didn't have problem understanding the random seeming operation of previous math courses. Consider the existence of the "FOIL" mnemonic for multiplying two binomials (https://en.wikipedia.org/wiki/FOIL_method ), or SOH-CAH-TOA, where it was easier for me to just remember the definitions than the acronym. I think those are hints that some people consider those to be 'random seeming'.

When I took algebra, I remember being tripped by all the new vocabulary. Why do mathematicians say something is "Abelian" instead of 'commutative'? Why is it important to have terms like "group", "ring", and "vector space"? Sure, I learned the definitions, but at that level they were 'random seeming'.
I'd presume because you can do browser-specific hacks/normalization with classes but not inline styles.

I don't really see the point of all of this, either, though. Maybe it's satire?
HN does perform duplicate URI checks, where duplicated submissions count as an upvote towards the original submission rather than a new thread. However HN also allows re-submissions after a certain time period has passed, which I think is what happened here since the next newest instance I can find is ~4 months old.
Hey Mike, we sell the screen with a custom stand. The price quoted on the Pi blog is screen only.
Very clever. Besides the name (which is clearly well chosen) the idea of putting the moving parts on the inside where they can be sealed and protected from dust, evaporation of lubricants, etc seems like a really good idea.
Ncurses 6.0
Could you mention some specifics? In which respects was it intellectually dishonest?
Being one trick pony is a worrying thing, even if the pony is shitting enough gold to make Sir Tywin Lannister jealous.

Add the fact that the company has not had a new breaking star since Jobs died and that they are playing catch up with the other players on innovation - the chances of serious trouble in the future - while slim, are not nonexistent.
Thank you very much! We work hard to provide great customer service and stock the best range of Maker and Raspberry Pi products available in the UK/EU.
On similar lines is the Joint Entrance Exam (or JEE), the entrance test for admission into the Indian Institutes of Technology (and a toned-down version for admission into less selective institutes).

This year over 13 lakhs, or 1.3 million students appeared for the exam.

Being an applicant in the past year, I can state for a fact that the last pre-Uni year is one of the most stressful years for an Indian student aspiring to go into tech.

Sample JEE question paper: http://jeeadv.iitb.ac.in/sites/default/files/2013p1.pdf

http://jeeadv.iitb.ac.in/sites/default/files/2013p2.pdf

Source: http://indiatoday.intoday.in/education/story/jee-main-2015-n...
Currently using isync for those exact reasons. Only issue that I have with it is that it doesn't support nested folders.
correlated.org doesn't seem to have updated in ages -- the dates keep updating, but the correlations stay the same...
Could you? I couldn't find anything by Feyerabend that mentions that particular theorem.
Looks like there are a few ICs on the adapter board. I wonder if that means other screens could be hacked in and if the DSI connection is going to be a binary blob.
Very interesting. I want to have Wizard battles with VR gloves. The Quake (Live) lightning gun works.
As someone with quite some civil servants (IAS (admin), IFS (foreign), and IPS (police)) in close circles (mostly acquaintances and alumni) I would beg to differ, not much, but would differ nonetheless.

It's not that much about sharpness as much it's about rot learning. As a matter of fact civil services is one of those important Indian institutions that has retained the idea of rot learning as a measure of one's ability in all rounds of life. So the bureaucracy being worst is not at all a paradox. It's a result of a failed method of recruitment coupled with other institutional and social handicaps like systematic corruption and general greed (in most cases barring rare exceptions) as the solve motive of these candidates.

Go to Delhi's Mukherji Nagar area (centred around Batra Cinema) and you'll see thousands of youth (some already past their youth) toiling the midnight oil mugging volumes with no interest in any of those subjects whatsoever and many of these midnight oil toilers would be declared "crème de la crème" of our country around the middle of every year and with that result would come a lifetime of power, its abuse, and other largesses in life that mere mortals of this large country can't even dream of. Actually some of those luxuries would be unattainable to even the moneybags of India.

If you go to them as an interviewer from a newspaper (either before or after their success/failure) you'll get all the grandiose ideas they have for the mother nation and why they are going towards this path of being a civil servant "sacrificing" their lives. On the other hand if you are a friend or family, you'll hear on dinner tables, during smoke breaks "Aah, I should have taken IRS (revenue) and not waited for IPS/IAS last year; there's enough money right there" and right then maybe the father intercepts, "that's what I was saying. Look at Sharma Ji, he recently bought 3 flats in <insert a posh locality in India>". Needless to say Sharma Ji is an IRS officer. You get the drift.

As a side note, I would like to add that I have seen honest ones "turn" just for survival. I am not giving them any brawny points for at least trying before corrupting, but I can't blame them either seeing the precedences[1].

[1] http://www.siliconindia.com/news/general/7-Civil-Servants-Wh... "indian civil servants killed" gets a lot more results on google.
Miscomputation: Learning to live with errors
Why do you take care of space escaping but not others (quotation marks)? This might lead to false expectations, i.e. that you take care of everything, security-wise.
Could you possibly buy only the connecting PCB module, and use a touch screen from a bricked mobile phone or tablet? Many of those lying around...
And that is a nice looking stand too. Great work!
Show HN: Timeup.io – Find the most suitable time slot. Great for scheduling
You don't sell it without a stand? A stand isn't particularly useful for people who want to wall-mount it for example...
Here's a good comment from a reader, which I think addresses a misunderstanding behind this article about what programming actually is:

> The thing that takes time is humans understanding what they want. Programmers are like therapists who help them crystalize their thoughts to the point where they are at least vaguely consistent. The program is just a representation of that idea.
Mythical Man Month
Salesforce's Journey into the World of Big Data
> one trick pony ... a worrying thing

Apple does more than the iPhone. They have a profitable computer business too.

So it's only worrying thing for Apple if they start relying on that single product. If they keep (fixed) expenses down so they can live without the cash cow, then it's no problem.

It's very often the high fixed expenses that get you. Same with people getting a new job where they earn less: the unsellable expensive house is a problem, eating out too often is not an unfixable problem.
Amen, this whole "if it's not 100% secure why bother" argument is annoying, we can still make it hard for them.

We can, and we definitely should.
It makes it easier for them.
It must be effective satire, my blood boils with the possibility it's an honest attempt.
I wouldn't call them one tricky pony. iPod, iTunes Store, iPhone, iPad were all "one trick ponies" and yet they changed the tech.
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Thanks, the application to PageRank looks interesting. I shall resurrect my knowledge on eigenvectors and eigenvalues and make some sense out of it.
To me, the E46 body was the last good-looking 3 series BMW made. I haven't seen one since that made me feel the same way.
How do you handle advanced selectors? Or hover states? Or priority? Or inheritance?

There is a lot of reasons why separating content and styling is benefitial to both the designer and the developer. And why semantic classes, especially with tools like Sass where abstraction and reusability are key, allow to describe the content, not define its looks.

That's why we went from color="red" to style="color:red;" to class="red-text" to class="alert alert-red" to class="alert-danger".
Using a modal dialogue unless there is a genuine urgency should be considered a crime against humanity and punished accordingly.
It's also pretty great as a screen for your development/hacking Pi when you need to debug issues. I use two 27" monitors on VESA arms and the display is short enough that I can just tuck it underneath. The relative low dot pitch means text is very readable in the terminal without any configuring. I actually really love it (and I didn't expect to when I first saw it...)
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A random comment is not an "independent verification"
If you have a patent, and I use the patent to sell a product, why shouldn't you as patent holder be able to get an injunction to prevent me from selling the product?

Also, what does 'reasonable financial compensation' mean? Consider newly patented drugs. The R&D cost is enormous, even without covering the cost of the attempts that failed to get to market. And there can be multiple patents, including the method of action and the method of synthesis.

If you have 5 patents for drug X and I infringe on 3 to make a competing drug X', do I pay less than if I infringe on all 5 patents?

(Edit after several people commented: I believe that amelius meant to include mandatory RAND-like licensing for first sale. My response should be read in that vein.)
Angular-parallax-scroll
This is getting crazy.
Not Free? That's fine, but I couldn't see a statement of that. If so, I wonder how they plan to do DRM.
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It cannot block resale. It can block first sale, if the patent holder deem it so. I don't like that, but as it is today, that's the law
Human intelligence is constrained by the genetic diversity within the human gene pool. AI has no such constraints and in theory is only constrained by the laws of physics.
The article points out that Apple's high revenue only depend on iPhones sales. And they didn't succeed to diversify.
I feel like this is akin to "killing the patient to cure the disease." In the uses I can see for this, the way this framework solves the problem, to me, seems to be worse than any problem itself. Namely, I would like to know how this is any better than !important on your CSS properties.

Firstly, you're messing up your separation of concerns, you're also messing up an attribute with values that other developers will probably see as a bug — "why isn't this in a style tag?" It also won't work with JavaScript disabled (a few people will complain about that, they always do).

Why use classes at all? If the idea is to not rely on CSS, we could use a data attribute, like data-mimic or data-mimic-width="1", to apply to additional styles (although some CMS' will struggle with this).

(I realise its so easy to be negative, and HN submissions usually have their unfair share of criticism from people who think they know better. Although it obviously solves a problem for the author, at the crux of it, I'd refactor this if I found it in any projects I look after.)
I can't see an on/off button
I wonder how much energy rotating a flywheel to move compares to something like a snake or fish? I'd've thought wiggling around would be less energetic... but maybe a cube covered with solar panels would work better.
When doing things like this, you should take ie into consideration
http://spaceninja.com/2015/03/31/ie-css-limits/

Using parker (https://github.com/katiefenn/parker) tool to analyze the css:

curl http://peterchon.github.io/mimic/css/mimic.css -s | parker -s

PARKER-JS
Total Stylesheets: 1
Total Stylesheet Size: 126045
Total Rules: 2551
Total Selectors: 2611
Total Identifiers: 5292
Total Declarations: 3849
Selectors Per Rule: 1.0235201881615053
Identifiers Per Selector: 2.026809651474531
Specificity Per Selector: 19.89199540405975
Top Selector Specificity: 40
Top Selector Specificity Selector: .row\:12 .col\:1
Total Id Selectors: 0
Total Unique Colors: 6
Unique Colors: #3F3F3F,#3E49FF,#45497F,#1336CC,#CFCFCF,#CCCCCC
Total Important Keywords: 0
Total Media Queries: 1
Media Queries: screen and (max-width: 736px)
Pros and Cons of Ruby on Rails
Virtual Data Room
What is the best VDR service?
> the company has not had a new breaking star since Jobs died

Steve Jobs died less than four years ago. The iPhone is a once-in-a-generation blockbuster product. I think your expectations are a little high.
The first one is more subtle, but he's even more brazen.

"For you must know that without Ceres and Bacchus Apollo grows cold."

Ceres is the goddess of fertility. Bacchus the god of booze.
Definitely better than what the US is doing with its foreign policy towards the Indian subcontinet. The state department's south asian wing is full of ignorant and incompetent idiots.
Neither does the Raspberry Pi - the user base is pretty used to halting and pulling the power.

The display driver board backpowers the Pi itself so there is no change of process for existing users there.
When working at a helpdesk company managing IVR services, one quicly learns :

LIFO minimizes latency and resource usage
FIFO maximizes latency and resource usage

What you want to serve, as a queue manager, is the largest amount of requests in the shortest amount of time. Counterintuitively, this means that you absolutely don't want people who wait a long time in line to get served, because if they're willing to wait on hold for 30+ minutes they're willing to badger your agent (the guy answering the phone) for a long time into doing what they want. The result of this is that the queue quickly gets taken over by these long-waiters and everyone else gets delayed massively.

What you want to maximize is requests served/agent time. Requests served is what brings in the money, agent time is money leaving. LIFO, combined with seriously incentivizing agents to make sure calls get resolved faster than $avg - 10% or so, ideally with a pay bonus (people, especially people in low-end jobs, respond very strongly to pay bonuses).

The net result is that complex requests will result in waiting very long in the queue (because agents will throw you back to the queue as soon as they realize what you want is complex or impossible (people wanting things you can't provide are very bad in all respects, very common, and the people requesting them usually have way too much time). "I want to talk to manager" -> just throw him back in the queue). This means complex and impossible queries really, really start taxing the customer's willingness to sacrifice their time. Ideally this would result in the 2-hour-long "pay for me sending a slightly scratched product I bought last week in the US for 5$ less than I could have it in Antarctica, and let me ship it for replacement in < 1week, or I will #$)(!@#%)! 1@#)$&!@)#$ @$#)@& @)$&)#@& you and your entire family you !#@$ (@&@)(#& #)(&@)&@! #)(@#)(@" conversations to just not happen. Normally there's a lot of these, they wear out agents (people being treated badly by customers to the point of crying happened almost daily)

Now you don't quite go for straight LIFO. Firstly a lot of people are offended by it, think it unfair, that sort of thing (and then the costs start mounting). You also don't want pure LIFO because there are customers that you actually want to serve with complex queries, so you start building a complex multi-queue system, but the entrypoint is usually a LIFO queue.
>If they keep (fixed) expenses down so they can live without the cash cow, then it's no problem.

That totally depends on how you define "problem". I believe the market will definitely have a problem with the current asking price of the owners for 1 share of the company if the iphone stops being a thing. This will make the owners very worried indeed.
The programmer’s Bill of Rights
Going to be honest.. this doesn't look too well thought out. Something like z-index you have a class for values of 0 up to 100. Not necessary IMO.

I'd recommend taking a look at Basscss for some inspiration. From my perspective, you're trying to create something similar to Basscss.
Their graphs would be more interesting if they were not scaled as a percentage. A company that would only make the iPad would still be insanely profitable, the same goes for a company that would only make Macs. Apple's problem is not the diversification, it is that the iPhone revenue is so huge that it eclipses anything they could put next to it.
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