Slashdot is powered by your submissions, so send in your scoop

 



Forgot your password?
typodupeerror
Check out the new SourceForge HTML5 internet speed test! No Flash necessary and runs on all devices. Also, Slashdot's Facebook page has a chat bot now. Message it for stories and more. ×

Comment Re:Possible issue with this logic (Score 1) 144

Good intention, but what's to prevent a border patrol agent from a rogue state from just detaining people until the trip mode timer expires?

Set a "home" location. Require the mobile device to be physically located within a certain distance of that area (determined via GPS) in order for trip mode to be deactivated.

Comment Re:Take the bus (Score 1) 75

Not to sound like a /. shill, but I've given up on flights that are to major cities less than 500 miles from where

My math goes something like this:
Min door-to-door flight time is usually 45 min to airport, 45 min from airport, 30 min+ for security & bag check, 1hr safety margin, 15-30 min taxiing, plus flight time.
That's 3-4 hours+ (~200 mile drive) just dealing with the hassles surrounding air travel. Add another 50 miles driven for every hour you spend in the air.
Then, I personally am willing to deal with another hour or two of driving (+100mi) because I don't have to worry about transportation once I get where I'm going, maybe another hour or two because I can pack as much as I want of whatever I want, and significantly more time if I'm going with someone (no increase in cost, plus a relief driver).

Comment Re:Then leave Silicon Valley (Score 1) 504

Moving someplace new generally requires a sizable amount of liquid funds to cover moving expenses, deposits, etc., not to mention the costs associated with finding a new job to go to. The working poor don't often have that kind of money on hand to spend.

Exactly. And I would actually happily support using some of my tax money to subsidize these economic prisoners moving to more sane markets. I'd much rather do that than subsidize their housing, which just makes the problem worse. If all of the people doing those low-paying jobs suddenly are able to leave, it will reduce housing pressure, lower prices, and also force those jobs to actually pay a living wage to get people to stay and do them.

Comment Re:Considering is different from doing something (Score 1) 218

Considering Big-O is different than doing something about it. In my experience, for most applications, you are way more likely to be bound by network speed, local I/O, or something else entirely out of your control. That said, it is OK to look at something and say, "gee, if I take path A, it will be O(n^3) but if I take path B it will be O(n log n), so I should go with B since I it will only add 10% to my implementation time and will prevent it from being a bottleneck later on."

I'm glad at least some developers understand this. I'm on the infrastructure side of things, and we constantly deal with devs that don't take that into account. Yes, your code is technically O(n), but when you're doing something stupid like querying a DB for 200k record IDs, then going back and making 200k separate, tiny queries for each row individually, your code is really more like O(n + network RTT + DB query time), which is about three to four orders of magnitude slower than your code by itself. And that's on a network that has a firewall up to keeping the RTT under 1ms.

Comment Re:What a waste (Score 1) 61

This is exactly what I was thinking. The EM noise from transferring that much power like that seems like it would be insane. Don't go near it with any electronics?

I would think a simple system where you essentially have an upside down pantograph on the bottom of the car would be the most straightforward way of doing it, as well as having the potential to power the car in motion as well. There could be some safety issues with exposed contacts on the floor, but requiring the pantograph to exert several hundred pounds of pressure to press down to a contact might be a simple way of sidestepping that (at least for stationary applications).

Comment Re:Will that actually help? Also, Wi-Fi (Score 1) 229

Why store it on the camera at all. In a situation where you or a source is risking their life/freedom, it seems like some kind of satellite-based relay that sends stuff off ASAP would be worth investigating. You could even make it look to the camera like a flash card, so it works with any camera.

Probably doesn't matter much, though. Any jurisdiction where that would be an issue would just make possession of such a device (or encryption-capable recording devices) carry similar penalties.

Comment Re:so we single folks (Score 2) 179

get to pick up the slack with no extra PTO or a larger salary? I understand the need to help parents, and i don't dispute it. I get that maybe parents needsome time out for a new birth or to leave early or come in late or take time off now and again to deal with older kids, but 20 weeks at full pay? doesn't that put a huge burden on those who dont have kids to pick up the slack?

As a single person with no kids, even I won't complain about giving a new parent a break.

That said, no way am I working a bunch of extra hours for 20 weeks to cover for an event that you knew damn well was coming for the last nine months. If you didn't get temp help, that means you're OK with stuff falling behind while they're gone.

Comment Re:Recreational drug use versus harm to others (Score 2) 560

Not that simple. Sometimes drug abuse is just a medical condition. But often drug abuse causes people to hurt others which is (and should be) a crime. See the difference?

I would argue that the drug prohibition (or rather, its totally predictable side effects) has hurt far, far more "other people" than drug users ever have. Hell, it's come damn close to destroying entire countries.

Comment I think this would be a major challenge (Score 1) 230

One of the things I do for a living is write firewall policy. We use Palo Alto gear, which seems to be some of the best available at automatically identifying what stuff is.

Even with a company like that behind the gear spending a lot of time and money keeping things up to date, it doesn't know about every little thing it sees.

Another challenge is that this device would need to be able to do SSL forward proxy for everything, or all it will know is there's an ssl connection to somewhere (although you can use information in the server cert to make further guesses). That means somehow getting a signing cert onto the device that all of the IoT things trust. Good luck.

Comment Re:If confirmed, does this make it realistic? (Score 1) 477

What's the usual format of an EM drive? Does it go on a satellite for maintaining orbit instead of a chemical thruster that'll one day run out of fuel?

IMO, one of the exciting things about this is that even if we eventually discover it only works due to interaction with the Earth's magnetic field, or gravity well, or whatever, it could still be a very useful technology for that application.

Comment Re:I'll wait for a third party review... (Score 1) 428

Agreed, I still want to find out how this product works in places like Warren Ohio, Joplin, Missouri, Greensburg Kanasas (Most Damaging Tornadoes I can think of off the top of my head) Where tornadoes while not "common" also aren't "rare" and as such roofs need to be able to sustain pre-tornado weather (including hail) at least a few times a year. (to be reliable)

It doesn't matter how it performs in a Joplin or Moore-class tornado, when the house it was attached to has been blown into the next county. The only exception would be that a glass shingle going 200mph is more dangerous than a shred of composition going the same speed.

Traditional composition shingles are flexible. I live in north Texas where we get plenty of nasty weather. You can see comp shingles lifting a bit in high wind (think petting a cat or dog the wrong way). Once that happens, it gives the wind something to grab, and can start a feedback loop. A rigid material wouldn't have that problem.

Likewise, we had a bad hail storm last May. My roof had to be replaced, but the glass in all of the cars on the street was fine. Insurance companies around here give pretty good discounts for hail resistant roofing, so you might actually save money there, too, especially if it really ends up being cheaper to install (in my case, going from the normal shingles that were on the house when I bought it to class 4 impact ones saves about $1k every three years on insurance for a fairly small roof, so it's not insignificant).

Comment Re:No beeping please (Score 1) 361

Hissing or fake engine noise.

No, it should be a recording repeating, "This annoying noise is required by the government because of the )(*$%s that won't get their nose out of their phones and pay attention while they're walking. We hope you enjoy your new environmentally friendly, quiet city" at high volume.

Comment Re:no end to the cheating (Score 2) 157

This just keeps on getting better and better. VW Group have simply not owned up to the depth of their cheating and been forthright with their cooperation.

Our regulators should slap increasing penalties on each successive cheat they find, to penalize for the hiding of evidence over and above the violation itself.

I'm not sure this is nearly as bad as you make it sound. I have an Audi S5, and it has several shift programs you can choose. One is "Auto," where it looks at your driving style, and adjusts shift points and throttle response accordingly. If you're driving gently, it goes towards comfort/eco mode, which uses less fuel. If you drive aggressively, it goes toward sports mode, which keeps revs higher and uses more fuel. So, no shit, if you use that mode (which I think might be the default), and the test is gentle (or explicitly put it in Comfort mode), it's going to be more efficient, no funny business involved.

I couldn't find anywhere in TFAs that said Audi was intentionally looking for test conditions and modifying the program, only that the shift program was adapting to test conditions. This might just be a case of automotive tech outpacing the testing methods.

Slashdot Top Deals

You have mail.

Working...