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Comment Re:The short wheelbase looks funny (Score 3, Informative) 94

It's because Formula Student courses are extremely tight and curvy. A shorter wheelbase gives you a smaller rotational inertia, which means you can enter and exit corners faster. This comes at the expense of high speed stability, and indeed most FSAE/FSC cars get quite unstable above 90mph.

On top of that, a shorter car is a lighter car, and every gram counts on a race car.

Comment Re:OP here (Score 1) 234

2. Consider just trying the trees together with symlinks (Use "find" to recurse, then ln -s"). Unless you have many tens of thousands of small files, this will work remarkably well, especially if the disk that holds the symlinks is fast and has a sensible filesystem; you could even make it a ramdisk.

This seems like the most reasonable solution to me. I think people are getting caught up treating this like a high availability fileserver when it's really just a data acquisition project. Configure the disks to automatically mount, and then use a really simple condition to figure out which mounted disks have data on them (for example, the existence of a directory, or even just the size of the disk). Use a shell script to test this condition and then make symlinks for all of the data files.

I don't know exactly what kind of equipment OP is working with, but some DAQ systems let you choose what size of files to divide the output into. Try choosing the largest reasonable file size to reduce the number of symlinks.

If you really think duplicate file names are unlikely then simply don't worry about them. I would at least have the script make some sort of log so you can figure out WTF happened if you find yourself missing some data. Don't worry about security -- this is a scientific project to it's safe to assume that the root password and IP address are written in sharpie on the server anyway, probably within eyesight of a window that faces a busy street. Don't listen to the people suggesting wireless telemetry instead of sneakernet, you have at least an order of magnitude more data than would make sense for such a system.

Comment Re:Whitelisting has too much overhead (Score 1) 384

Haha, that reminds me of my old school district. They blocked just about everything interesting on the Internet, *except* for Slashdot. I always assumed that the guy who controlled the blacklist was also a slashdotter. One year they experimented with giving the secretaries the power to remotely monitor computers and add sites to the district wide blocklist. I got caught browsing Slashdot and immediately unplugged the computer so that my session would disappear from the monitoring software. . . By the time I was logged back in, whoever was in charge had unblocked Slashdot :D

Comment Re:I have seen RAM retention in real life (Score 1) 169

X11 used to do the exact same thing, it would normally show a black screen for several seconds when you stared it but it was actually showing whatever was sitting in the display buffer. I could turn off my computer for up to several seconds and still make out my background image when X restarted. That was an ancient computer too, with a power switch that actually cut all power.

Comment Re:If only Americans had heard of parks. (Score 1) 514

They can go use it whenever they want, and such parks are large enough that thousands of people can partake in all sorts of sports or other activities at the same time, from barbecuing, to playing catch, to even playing golf, without interfering with one another.

In typical American parks you can expect to be harassed by the police for such things as being there at the wrong time of day, walking your dog in the wrong area, parking during the wrong hours, or straight up arrested for bringing a beer to your barbecue. Not to mention the random extended closures, or the super weird people who make up their own park rules and go to crazy lengths to try to enforce them.

I'm not saying that I don't enjoy our parks because I do, but they are not a perfect replacement for having your own space.

Comment Re:Duh. (Score 1) 897

While it is possible to patch small amounts of damage to carbon fiber, it's more complicated than fixing fiberglass and if you do it wrong, you'll have an extremely dangerous car on your hands. You really wouldn't want to trust your average crappy auto body repair place to do that safely and effectively, you would need someone with a degree in materials science. However, composites and aerospace companies are working on this all the time. In the future we will probably see more robust techniques for these sorts of repairs.

Comment completely open (Score 1) 458

My router works fine from across the street and even a little bit at a nearby park. As far as I can tell no one even tries to take advantage of it. The one time I *thought* I had someone leeching bandwidth, it was actually a family laptop that I had forgotten about. There have been numerous times that I've benefited from someone's open wifi, so I might as well return the favor.

Of course, it's a different story when I'm living in the dorms. The university closely monitors for filesharing traffic and will get you in trouble for it, so every person has their own encrypted AP, interfering with one another and drowning out the university network, causing even more people to set up APs. . .

Comment Re:Free access for all... (Score 1) 175

Yeah, when I was visiting Laos I was startled to come across a village with a big FTA satellite dish mounted to one of the huts. Apparently it's not that unusual for everyone to chip in for some gasoline to run a generator for long enough to watch a TV show or two. With a free internet connection, it wouldn't be a stretch to imagine them getting a communal computer as well -- which could be great for them as there is almost no educational material even available in their language, and it would be easy to make such material available through the Internet.

Comment A little slow (Score 1) 717

I often go somewhere between the speed limit and 5mph under (in the right lane of course). If you're careful you can save a lot of gas. A couple years ago when gasoline hit $5/gallon and more I sometimes went considerably slower than the speed limit out of necessity. Luckily I didn't have to drive in very heavy traffic so I wasn't *much* of an obstruction.

Comment Re:I have an idea to stop using cells for cheating (Score 1) 437

They try to do this during AP exams in high school. Most students just keep their phones in their pockets rather than risk losing it. It was also a disruption because undoubtedly some of the students who put their phones in the box forgot to turn them off and received texts or calls during the test and had to run across the room and dig through to box to silence their phones.

Comment Re:lol (Score 1) 421

Signing away all of your rights in a dorm contract doesn't actually invalidate your constitutional rights, and most places have additional tenant's rights that also cannot be signed away. Some of the stuff in my dorm contract is pretty ridiculous, including something along the lines of "you must correctly answer any question from any staff member." Nice.

That said, they hold a lot of leverage over you. Some of my friends have stories about having their class registration blocked until they complied with orders from the housing organization or even unlawful orders from the police. They have keys to your room. They can block your access to whole buildings because you have to swipe your ID card to get in. They know when you're away on break.

They also declared my living room a "public area" and can enter it without any notice whatsoever. I think this is standard practice in most dorms.

Comment Re:Tattered Image (Score 2, Informative) 676

My impression is that the gunship was quite far away, possibly even firing from below the horizon. The guy in the van may have just heard explosions, saw people (at least some unarmed) on the ground dying and rushed in to help. In a place where things like terrorist bombings aren't uncommon, he didn't have much of a reason to believe he was driving into an active firefight. It's not like the people on the ground were shooting back at the helicopter at any point.

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