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Comment: Useful for weeding out non-programmers (Score 5, Insightful) 776

by Ckwop (#42544595) Attached to: Ask Slashdot: Are Timed Coding Tests Valuable?

We use Fizzbuzz and a short SQL test that take a total of 30 minutes for the first part of the test. If they fail this, we can them and don't give them an interview.

A surprising number of people fail this test.

We then have a larger problem with much more time allotted. Here we're looking for style and quality of construction.

That said, even with this longer test, the people we hire tend to get the same distance through the test. They're at least within the same half of an order of magnitude.

At the end of the day, in a paid position you can and do have a deadline to work to. You can't take forever building something. You have to produce the goods!

Comment: Error of omission (Score 4, Insightful) 278

by Ckwop (#42357843) Attached to: UK Government To Spy On Computers of the Jobless

There's an opinion on-line that the UK is turning in to some sort oppressive totalitarian state. It seems like this summary was written with this view in mind. It makes a number of errors of omission.

The article says it's opt-in! It only applies to that web-site too. That's obviously a huge omission to make from the summary. The summary seems to imply that the government would snoop on all traffic of a job-seeker and it was mandatory.

Finally, people who are claiming Job Seekers allowance are requesting support from the government while they look for a job. It's not totalitarian to suggest that we ensure that they are actually looking for a job!

As a taxpayer and a liberal democrat, it's something I support!

Comment: Re:Literalness interferes w/ understanding Bible, (Score 1) 1774

God is quite capable of using DNA and RNA and quantum mechanics and other theories which we have yet to learn about to make people and the world.

Why would he though? He's God! He can just zap us in to existence! Surely, that's better than having distant cousins eat each other just so they can survive. We've defeated evolution to some degree. Evolution in its pure form is unimaginably brutal.

The religious suffer from a cognitive bias where they assume that any contradicting evidence is more proof of their man in the sky. The point of the Origin of Species was to give us a mental framework that required no man in the sky!

Science shows that your God tries very, very hard to look like the null hypothesis; which is, complete and total none-existence.

Comment: Part of the reason... (Score 4, Interesting) 101

by Ckwop (#40774081) Attached to: City Council Ordered To Stop CCTV In Taxi Cabs

I live and work in the UK and I cycle everywhere. Part of the reason is precisely because it's difficult for the government to interfere with your business. The way I see it, the fewer interactions I have with the government the better.

If you take public transport, you're on CCTV everywhere. Naturally, you can be subject to searches when leaving train stations or even in bus stations.

If you drive a car, at some point you're going to get pulled over. You're going to get a ticket of some sort with high probability.

With cycling, there's no tax to pay. No fuel to pay for. There's no real way to be stopped and searched on a bicycle.

Often, it is faster than a car journey anyway.

Cycling is probably one of the only remaining modes of transport that is truly free in both senses of the word.

Comment: Perspective (Score 5, Insightful) 438

by Effugas (#38969295) Attached to: The iPhone Is a Nightmare For Carriers
http://arstechnica.com/apple/news/2012/01/82-percent-of-atts-q4-2011-sales-are-smartphones-66-percent-are-iphones.ars

Yeah. 66% of AT&T's 4th quarter sales were iPhones. I was on Verizon for years, switched to AT&T only for their iPhone, and stuck with them only for their GSM capabilities worldwide. Sure, your margins are less when you offer a better service. Would you prefer no sales though?

Comment: NES (Score 2) 348

by Effugas (#38962275) Attached to: Should Next-Gen Game Consoles Be Upgradeable?
The platform that most successfully upgraded itself was the NES. One of the degrees of freedom they had, because there were chips in each cartridge, was to deploy new memory management units inside the games themselves. Quite literally, the NES became more powerful for games released later in its dev cycle. SNES did this too, with the SuperFX chip inside of Starfox (the most popular DSP in the world, for its era) but it wasn't quite the "all games ship upgrading hardware".

I suspect if there was ever to be upgradable hardware, it'd have to work by yearly subscription, and it'd have to be no more than $50 a year for the part. However, with guaranteed sales in the millions of units (as games would hard-require it) the logistics of making some pretty crazy stuff fit into $50/yr wouldn't be unimaginable. Remember that XBox Live is already pulling, what, $60/yr?

Comment: Re:Misleading... (Score 1) 389

by Ckwop (#35230036) Attached to: Lawmaker Reintroduces WikiLeaks Prosecution Bill

Neither this law, nor the original version of it, would have retroactive applicability; in other words, you can't make something illegal today, and then prosecute the guy that did it yesterday

It also wouldn't apply outside the US either, which is sort of a problem. What's to stop a Wikileaks clone starting in say, Iran, and doing the same amount of damage as Wikileaks?

It's weird in a way, I thought America came out of the Wikileaks cables pretty well. America acted, for the most part, in private exactly as they acted in public. It's everyone else that looked like a bunch of douche bags.

As a Brit, it's done more to repair the reputation of the US than, say, the election of President Obama. I've actually surpised myself with that sentence, but it's actually true!

Comment: Re:Spacetime (Score 1) 520

by Ckwop (#35056564) Attached to: Kilogram Gets Controversial; Why Not Split the Difference?

Mass bends space-time, right? So why not define it as a certain amount of curvature - say the mass needed to bend a light beam in vacuo by some measurable amount, divided by a chosen constant to give 1kg according to the theory.

That would couple the kilogram to G, which we know less _much_ less precisely than the current kilogram.

A better, but equally flawed, solution would be redefine the kilogram in terms of the electron. After all, we can measure its rest mass to a great degree of accuracy. But then usuable amounts of mass would be inaccurate to the level of precision given to Avogadro's constant.

It's a harder problem than it looks.

Comment: It's all being worked on (Score 5, Interesting) 77

by Effugas (#34618434) Attached to: The DNSSEC Chicken & Egg Challenge
DNSSEC is an infrastructure shift, and you can't use it on .com domains for another few months. Have some patience.

At Black Hat this year, I actually demonstrated the endgame. Want federated authentication in OpenSSH that actually scales? Want servers able to autogenerate TLS keys that will be recognized and secured worldwide, even against broken certificate authorities?

Want secure email, without the mess that is PGP key management?

End to end secure key management via DNSSEC makes it all actually really easy. Code is here -- BSD licensed, feel free to play:

http://dankaminsky.com/phreebird

Also, I'm putting together a set of diaries on the subject:

http://dankaminsky.com/2010/12/13/dnssec-ch1/

Enjoy!

Heisenberg may have slept here...

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