skysight-inc/HackerNews huggingface dataset:
"That's kind of already happened. Stroustrup has done a whole ton of work in that area with Concepts."

Wasn't aware of that. It was an interesting read. Thanks for mentioning it.

"It turns out that provable correctness invariably involves a fair bit of complexity"

I wasn't even talking about that. I just looked for static analysis tools that could reliably find common implementation flaws or interface issues with little to no false positives. These already exist for C, Java, Ada, C#, and academic languages. Similarly, some verification or foundation of standard library like Modula-3's or the one for C. I found little to nothing of any of this for C++. So, the C++ verifications would all be visual and manual unless you pay big $$$ for one of few commercial tools.

Unacceptable. Formal methods would make C++ unacceptable for even more reasons.

"This stuff goes back a way, but stemmed from Modern C++ Design."

Same book pjmp recommended. Guess the study should start with it.

"You can override operator-> to make it behave more like a proper pointer. CRTP gives you some pretty powerful ways of getting the job done too."

Interesting example. I think one test of C++'s safety would be whether such methods can provide same protections that Ada provides where applicable to both languages:

http://www.adacore.com/knowledge/technical-papers/safe-secur...

It would need to catch the problems, do it during compile phase, and do it fast enough to be productive. I heard bad things about C++ compile phase in the past, esp for template heavy code. Plus, needs design-by-contract as Eiffel and SPARK have shown. I've seen it done with asserts and object constructors/destructors so that's probably not a problem. The other stuff, esp static analysis for memory & concurrency safety, is where C++ will be judged most.
See also: https://en.wikipedia.org/wiki/Cryptonomicon

...and the entertaining tangent story involving Van Eck Phreaking and vintage furniture.
Quick tip - to convert roughly from miles to km, pretend the miles is BCD, and convert to decimal. So 20 miles = 0x20 km = 32 km.
> Current LTO-4 and LTO-5 tapes [...] go for $22-23, uncompressed capacities are 800 and 1.5 GB respectively.

I think you meant 1.5TB.

However, why not just use hard disk drives at just over twice that price? You'd get quite a lot of them for the cost of the tape drive.
As someone who has lived a similar lifestyle for a while I have strong indications that Airbnb has made this much harder. People have become reluctant to rent out for one to three, or even six, months and prices have gone up significantly. Especially in international or dynamic cities, which are generally the ones you want to stay a bit longer in.
Did the backup drive perhaps become unplugged or fail to unmount cleanly?

I've managed to do that to an external hard drive under Linux and had the drive labelled as read-only subsequently.

Just wondering aloud...
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My dad was a college math prof who introduced me to Tom Lehrer. I devoured those records which later led me to find Dr. Demento then Weird Al.

Tom Lehrer makes many happy memory connections for me.
Do you avoid all plastics in your life?
How to unit test Python Spark jobs
Is this a sponsored content? It's too nice to Airbnb!
Of course... I've done the "magnet in a copper tube" trick myself. Thanks for helping me connect a couple dots!
I will admit that I have mixed feelings about the Second Amendment. As does the Supreme Court; Heller was a 5-4 decision, in which the minority disagreed with the interpretation of the text that you claim is plain and indisputable.

Wrong. All 9 Supremes interpreted it as an individual right, they could hardly do else so given the written history of all this and the plain language of the Bill of Rights (which amendments, after all, confer a collective vs. individual right?). What they split 5-4 on what did that really mean anything in practice, or, ultimately, could D.C. freeze its registration, and require to you keep your guns unloaded and disassembled until an intruder entered the room you were in.

A set of laws I'll note were often nullified by sympathetic juries. Since Heller and McDonald, a majority of the court clearly holds that you only have a right to keep and bear arms in your home, they've denied cert on all relevant appeals since McDonald.
I'm old enough to remember when the milkman delivered glass bottles of milk into a box at our back door and picked up the previous week's empties. I remember reading once that the average milk bottle had a life span of 38 round trips. The same was pretty much true for soda bottles.

Some progress, huh?
The possibilities here are quite diverse.
We keep a land-line for emergency use (9-1-1, etc) and has a tertiary backup for our alarm system with uses cable modem and cell network to talk to central station. If those fail, it will try the POTS line dialer.

anyway...

Does Mr. Stephen Blumberg, pictured here

http://media.npr.org/assets/img/2015/12/03/stephen_blumberg_...

know about this page on his own organization's website?

http://www.cdc.gov/healthyweight/effects/index.html
Sorry, I thought it was launched. After I signed up, I got this "You’ve been added to our waitlist. In order to ensure the best possible experience, invites are being sent in phases. We'll let you know when we're ready for you.

See you soon!"

A little too early for the title, but product looks promising.
Sounds like you have a faulty drive.
To my best understanding, the pure Python implementation is much slower. Even on PyPy.

I did not know that Protobuf 3 is compatible with Protobuf 2.
From their site

Based on the ToF principle, the cameras employ an integrated light source. The emitted light is reflected by objects in the scene and travels back to the camera, where the precise time of arrival is measured independently by each pixel of the image sensor, producing a per-pixel distance measurement.
TriLumina (http://trilumina.com/) was at Connected Car Expo this year. They didn't have an actual device to show, but they have developed a solid state LIDAR with some pictures and a data sheet on their website.
So dumb question but when they recycle plastics into water/soda containers - how do they know it is food-safe plastic making it back into the chain and not contain molecules that will "bleed" into the beverage/food?
so who loses out on the plan? The disabled, elderly, children of poor single mothers. why should they get all the benefits. now spoiled rich college kids get extra money to spend.
I guess the details aren't the same, but Spain has asserted legal rights over shipwrecks in the past:

http://www.tulanemaritimejournal.org/finders-weepers-losers-...
Fair point about the separate clauses-- but what's the intent of the "well-regulated" part, then?

That whole preface was a compromise of sorts, a sop thrown to the anti-Federalists who wanted to outlaw standing armies and depend on the militia system. Which just wasn't practical in such an unthreatened place like the US, compare to Switzerland---and I wonder what will happen with their post-Cold War downsizing when things get hot again.

And there was the minor detail that George Washington, the essential man in all this, wouldn't sign off on such a prohibition. He's not as anti-militia as he's sometimes made out to be, but his position that a complete dependence on the militia system wouldn't do was unrefutable.

The well regulated part of it came from the observation that if you just keep the militia's weapons in armories except for formal practice and fighting, an excuse the British used to confiscate all of them in Boston, the militia members aren't going to be any damn good with them when put to the test.

Again going back to the Swiss system, at least during the Cold War once you were in the reserves you had to qualify with your personal weapon once a year, failure to score high enough signed you up for a 2 week refresher course. So they have an insane number of 300 meter range lines, subsidized and very high quality ammo sold at them (in theory you're supposed to use it all up on the spot), and a whole bunch of other things to encourage good marksmanship.

Hmmm, you know, going back to what the British did back then, very few of the arguments are new, and the Constitution and the Bill of Rights were based on direct, living memory of their depredations back then. Modify at your peril.
I found flights to Berlin on flychecker at € 69
Best Laid Plans
But it's been more difficult to find air leaks in airplane body during maintenance, tobacco traces on the metal (behind the plastic walls) used to point to leaks.
I fixed the link to reflex. Thanks for that.

I can extend the explanation about cppyy/Reflex if needed.
No true stereotype, not relevant. Only stereotypes believed true and relevant are unbearably accurate.

A quick internet search reveals many think the stereotype is true to boot.
Yet no man can install a printer. Let's think about that for a minute.
>but I assumed that what is being referred as a 'land line' today is really a VoIP home phone.

That does bring a few interesting questions. Does a land line count as a

1. Copper pair from the telephone company, or other fully dedicated digital service?

2. Hybrid service, such as VoIP to a provided CPE such as service commonly provided by cable companies?

3. VoIP only services that can be run on any compatible wired or wireless device?

Number 1 is going away as fast as possible, and just about everyone wants the service to go away too, it is massively expensive to operate from a value proposition. There are a few users who do rely on its ability to keep working under failure conditions such as mass power outages and that equipment using it has been around quite some time and is well tested.

Number 2 is the most common new rollout I see the work environments I am around. The cable company offers service at less than half the cost of the telco here. No long distance fees and fast provisioning have lead to massive migration from businesses looking at reducing communications costs and consolidating their communications billing by one invoice or more.
I read that as Protobuf 3.0 supports proto2, which is different than proto3 being compatible with proto2.
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I wondered that too but then they cover how it's been embroiled in a legal battle for 30 years now. So apparently its location more or less was discovered a long time ago, it's only now that the legal battle has ended that more detailed investigation can take place.
There are a set of privacy related patches for Chromium called inox (https://github.com/gcarq/inox-patchset).

If you are on Arch Linux, binaries are available on the AUR: https://aur.archlinux.org/packages/inox-bin
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Considering the skills demonstrated in this analysis, you might discover getting started with configuration management (puppet/chef) is easier and might take less time then you expect (even in a fast moving early startup). Might have totalled less time then this hack took up.
Posted 9 days ago:

https://news.ycombinator.com/item?id=10634015
This SDR implementation looked really interesting for sniffing monitor output - https://github.com/martinmarinov/TempestSDR

Alas I don't have a suitable SDR to try it with.
Not only an amazing engineering project, but a milestone of civilization. One step closer to not releasing untreated sewage into rivers like savages.
This was a a pretty lame article. Correlating binge drinking with lack of landlines -- what?

How about the correlation between longer 911 response times with lack of landlines? Now that would be interesting.
It looks like the extra query params here pass through the de-dupe filter.
Thanks for the tip. I've been doing Clojure full time for about 4 years now, so I think I've got a good head-start. Now I'm looking for something that will help me understand stacks in virtual machines and how to generate bytecode for them from an AST, that kind of thing.
Loved how you could run your business with 2 x 100MB of hard drive space initially. That system though sounds similar to the ones we had at USC in the late 70's early 80's. The student CS program was taught using two of the named "JUGHEAD" and "ARCHIE" with a giant 120 port terminal multiplexer (which was basically a PDP-11/40 running a dedicated instance of RSX-11 doing nothing but connecting individual VT52's and VT100s.
Very crazy.
I've read, without checking it out, that methods simply switched to things like arson. Which I'll note was used in the 2 worst US mass murders of this sort.

The problem is not the tools but the people.
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Your second paragraph talks about the value of your time to you and in that sense, it's true. From the company's point of view of your time, your second paragraph is somewhere between irrelevant and false.

You hit the nail on the head that we're giving up a lot of the value "pie" in exchange for much lower risk. My mindset takes that one step farther: ensure that everyone's economic goals are aligned and stably pointed to continued employment of me and my team. That requires an exchange of my time for the company's money at a rate low enough that it's obvious to the company they're getting an economic gain from buying it and high enough that it's obvious to me that I'm getting an economic gain from selling it.

If those ranges don't overlap, you have a very unstable situation. When those ranges have large overlap, many different valuations of time are stable and mutually beneficial.

>What if the company needed you to debug some worthless software in the chain as an emergency?

If the software I'm debugging is worthless, it's hard to imagine there's a genuine emergency involving it. The mere fact that there's an emergency involving it means it has some value to someone.
Python 2.7.11 Released
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Huh. This is the only book recommended so far that only has good Amazon reviews. I think it may be a winner. But honestly it's so hard to judge a book by its cover, or even by Amazon reviews (even though some of them seem to make really good points).
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Every time one of these shootings happens RKBA repeal gets dragged closer to the Overton window.

Evidence for this?

Revealed preferences show Americans buying firearms in steadily increasing numbers, e.g. both November and Black Friday hit new NICS records.
The problem isn't a highway it's that we have more labor than we need for society to exist while we simultaneously offer nearly no social safety net for those out of work. This country needs to offer a minimal viable income to all citizens. I'm sure nearly everyone will blast me for how bad this will be and for the inflation that'll surely happen but every study I've seen shows that giving people relatively small amounts of money improves every aspect of their lives. Society pays to incarcerate people, to police people, to heal people, and to try and educate people. I say we take it one step further and just pay our citizens for simply existing.
That's an interesting, yet opposite, correlation from the article.

http://www.theverge.com/2015/7/15/8965409/us-internet-access...

Of course it could mean that people living in broadband poor regions with poor cell service are the new 'unreachables'. They don't have reliable land lines, and their cell service is spotty. This in itself is a worrying theory as people with times of service unavailability are much more likely to remain in poverty, many types of jobs poorer people work have on demand scheduling where their hours are changed commonly. Being unreachable they may quickly find themselves fired.
We had a land line for a while as it actually LOWERED our overall bill with Comcast, but we only ever had the fax machine plugged into it or used it to call our missing cell phones. The problem I see about the emergency backup situation is that if we lost power for more than a few hours, our phone wouldn't work either because the battery backup would eventually die in the modem. The same was true of our old FiOS install at the last place (though the battery was much larger and not in the modem, at the fiber junction). So if you don't have an old copper phone line that doesn't need power from your house, what's the point of even having a landline 'in case of emergency'?
I found it realistic. There are a few critiques of the experience as well.

> We later came to recognize the cold, commercial experience offered by this host and others of his ilk, with multiple listings of impersonally furnished places and a willingness to let non-reviewed guests stay, was something we wished to avoid.

> The central heating had apparently been broken for years and the weather forecast predicted a blizzard.

> Our rear-facing prewar one-bedroom, where the couch sagged and the shower was in the kitchen, was as silent as a padded cell.
My first encounter with a DEC-20 was MACLISP for an AI class. Of course, the first thing you write is factorial, but I forgot the termination condition. Before I figured out why it was taking so long and send a brk, my CPU quota for the semester got consumed and TOPS kicked me off and locked me out. Luckily the dept secretary took pity and gave me some more time.

We also had APL for a numerical methods class on that system. Yes, we had some terminals with the special APL symbols; I think they were LA-36's.

http://www.columbia.edu/cu/computinghistory/la36.html
For those of us who do not wish to give page views to Gawker: https://archive.is/ybW22
The rise of cellphone-only households why I'm skeptical of presidential polling. Don't most of these polls rely on those with landlines?
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Frankly, I don't think the authoritarians have the stomach for gun prohibition.

Well, given that we won't take this passively and will start slaughtering them, retail or wholesale (e.g. kill Blue cities by taking out their electrical system), I would hope they don't "have the stomach" for it. Well, prior to using the amendment process to repeal the 2nd Amendment, and even then that wouldn't change the facts on the ground, just like outside of Illinois Heller and McDonald haven't much changed the facts on the ground.
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From the FAQ:

> Are reposts ok?

> If a story has had significant attention in the last year or so, we kill reposts as duplicates. If not, a small number of reposts is ok.

https://news.ycombinator.com/newsfaq.html
pango (jinja for go) exists, but no one (including me) has stepped up yet to write a plugin for it.
I've heard it mostly from individuals of more humble backgrounds working on projects with little connection to the value they create. Many people are simply unequipped at seeing how they impact at scale. I've often found myself reminding people of the contributions they've made and even gone to lengths of calculating those contributions so I can show them that, if anything, they're vastly underpaid.
Markus Kuhn’s work on “optical eavesdropping” — reconstructing a CRT image from reflected visible light — is really interesting: https://www.cl.cam.ac.uk/~mgk25/ieee02-optical.pdf
"Sick comedy was, in retrospect, a sign of artistic life in a conformist era. Lehrer ate up the notoriety, but he did not so easily find a place in the era that replaced it."

Also: Tom Lehrer is still alive. Great article; lots of historical details.
Muammar Gaddafi's prediction has come true
I could leave, but I am not sure I want to. I like the people and some of them have become my good friends and the job was genuinely fun until I became a donkey.

I have enjoyed most of it, apart from the parts highlighted earlier which frustrate and upset me.

My alternative is to quit and sit at home. One of the reasons (I'm not sure how relevant it actually was) why I took the job was because my doctor said it'd help manage my depression, and it did, because it made me happy, and the atmosphere and coworkers were amazing.

Although, if by alternative you mean another job, I don't know if I'll be able find one close enough so I can still take care of my mum.

Underpaid isn't really the problem, it's just a symptom of this "broken" culture, where anyone new won't ever be as valuable as the new crew (regardless of their actual value or how much they contribute). And I feel part of my problem right now is that that I'm in the department with all the old employees.
Yeahbut, the building won't hold 10,000 members.
Web 2.0 is an epidemic
We use our cell phones for all actual calls, but about 6 months ago decided to get a copper telephone line to the house in case of emergencies. I don't even recall what our landlines number is. Nice to know we can still place a call if the power goes out.
Army chief el-sisi, who deposed the last elected leader is now the new "elected" leader. When it comes to words like "iron fisted" "tyrannical" "repressive" el-Sisi makes Mubarak like your friendly mailman. But Obama supports him, so I guess that doesn't matter for most people (not speaking for you).
No, Tesla might know how to assemble a battery pack for use in a car but their core competency isn't battery technology. Last time I checked the cells used in their cars are made by Panasonic. Also, I am pretty sure the Gigafactory is a partnership with Panasonic.

There are companies, much larger and far more experienced than Tesla who have been working on battery technology for far longer.

I've been flying model airplanes for thirty years. When electric flight was in it's infancy we used heavy NiCd battery packs. I had competition gliders with six pounds of NiCd batteries occupying a huge volume.

Fast forward to a few years ago (about a decade?) when LiPo chemistry started to become available. Today I fly that same glider with a battery pack that is half the volume, a third of the weight, four times the energy content and probably twice the power delivery capability.

Tesla didn't do that. Companies like Sanyo, Panasonic, Samsung and other battery makers did that. The primary market probably being portable computers and later smart phones and all manner of small portable devices.

I doubt these companies have been sitting around doing nothing. They all know the next major market for them is in electric cars. Tesla does not manufacture their own cells, therefore it is probably safe to assume the next major evolutionary step in battery technology is likely to come for those who's core competency for decades has been energy storage chemistry.

That said, Tesla and SpaceX are known for their out of the box approach to engineering. There's no reason to think that, perhaps, they might have a unique take on cell chemistry that might be that next-generation battery pack with twice the energy in half the volume. That remains to be seen. Here's the thing with physics and chemistry: They tend not to change just because you are a maverick. There's a lot of knowledge out there and Tesla does not have a monopoly on that.

Don't get me wrong, I would love to see a US company own the next generation of battery technology. I just think that isn't likely to be the case.
It's mostly cultural. In the Netherlands, the majority of online payments are done during a system called "iDeal". A few hours' drive away, and that system is never heard of.

Different laws. Of course the EU exists to combat exactly that problem, but they haven't succeeded yet.

The problem your company tries to solve may not even be relevant in half the markets.
They depose a leader then to retain US support they allow elections then depose him when they no longer approve. Might as well be a Itanian style theocracy.
That price included "Six months on-site resident software specialist"