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    Small A/C unit compressor type

    I'm curious as to what kind of compressor is generally used in small window-mounted air conditioning units. Because of size it would likely be a positive displacement compressor, but what type? My guess is reciprocating, just based off of how much my air conditioner vibrates when the...
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    Launchd broken

    Recently I've been having a problem on my Mac where I can't connect to it with ssh or Windows file sharing. We've traced it down to launchd, an OSX daemon that starts services when needed. It should start up sshd or whatever process is needed for Windows file sharing when a connection is made...
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    MAKE - possible to access the dependency list of another target?

    I've got two targets in a makefile that should always have the same dependency list, but since I may want to build them separately, they do need to be separate targets. Is there a way to have one access the dependency list of the other, so that I don't have to manually keep the two in sync?
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    OS X: Possible to start .app from command line?

    Most Mac OS X programs are distributed as ".app" packages, which are basically directories with the required binaries and resources for the program. You run them by simply clicking on the ".app" directory (which doesn't look like a directory unless you're at a terminal). At any rate, I'm...
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    ssh into OS X with X tunneling

    I have a Mac at home that already has sshd enabled, so that I can connect to it remotely with SSH. I also have X11 installed on it. When you SSH into a usual Unix/Linux box running X11, you can use the -X or -Y flag to enable X tunneling. When I use this flag when I SSH into my Mac, it appears...
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    installing a cold air intake on my car

    Since the cold air intake pulls air from lower, hopefully away from the engine heat, there's a possibility of it sucking in water, and then you're hosed. Does anybody know how likely this is? My car isn't lowered or anything, this is the first mod I've done on it.
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    Intel Hyperthreading & multiple CPU intensive tasks

    I've got a question regarding Hyperthreading and task scheduling for 2 CPU intensive tasks. Let's say you've got 1 HT-enabled CPU, and one of the tasks has a higher priority than the other. Without HT, the lower priority one would very rarely be allowed to run, since almost all of the free...
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    Chevy Cobalt oil life meter

    I bought a Chevy Cobalt last year and just got its oil changed a couple weeks ago at about 3500 miles. It has an "oil life" sensor that started at ~100% when the car was new and has gone down ever since (as would be expected). When I got the oil changed, I expected this to go back to 100%, but...
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    OpenOffice and Java

    It's my understanding that OpenOffice is a Java app, and as such, needs a JVM to make it work. For Windows at least, you can download it with or without a JVM included. The thing is though, it doesn't look like it's using Java when it's running. I'm running XP 64, and soffice.exe is listed as...
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    Why does skin turn red when submersed in hot water?

    I just stuck my hands under warm water, since it's cold at my house, and a thought struck me. Why do they turn red (or pink or whatever you want to call it) when submersed in hot or warm water? I know it's because of increased blood flow through the capillaries near the surface, but why does...
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    OS X file system

    I'm used to normal Linux and Unix filesystems, where you see things like /etc, /home, /usr, /bin, stuff like that, in the root. In OS X, though, you see things like /Applications, /System, /Users, etc. Does OS X have a normal Unix directory structure that's just hidden in some way? Also, how...
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    Audio problems in Windows XP 64

    A few weeks ago I decided to reformat and install Windows XP 64. My machine is a laptop with a K8T800 chipset and a Realtek ALC 250 audio codec. With the drivers that Windows installed, ITunes audio would start to pop and stutter after about 2 minutes. If I hit "pause," then resumed, it would...
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    made a mistake, mods can delete / lock this

    A few weeks ago I decided to reformat and install Windows XP 64. My machine is a laptop with a K8T800 chipset and a Realtek ALC 250 audio codec. With the drivers that Windows installed, ITunes audio would start to pop and stutter after about 2 minutes. If I hit "pause," then resumed, it would...
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    WinXP print job problem

    There's a document in the print queue for my printer that won't print and won't delete. Its status is "Printing," and if I delete it, the status changes to "Deleting," but it never deletes. When my printer is on and the job is supposedly printing, spoolsv.exe uses around 5% of the total CPU...
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    Windows & USB 2.0 problem

    I have an Athlon 64 system on a VIA K8T800 chipset. It's supposed to support USB 2.0, but whenever I plug a USB 2 device, I get this message (link to image). Basically, it's telling me that I don't have a USB 2.0 hub when I should. I have pretty recent VIA drivers installed. Do you think it's a...
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    charging lithium batteries

    Nickel-based batteries are charged basically with straight DC, obviously at different currents and voltages based on size and type. My brother flies RC planes and has several electric ones that use Li-Poly batteries. To charge these, a "charger" is attached to a power supply (basically converts...
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    Remote login on Win2000

    I have a machine running Windows 2000 that I use as an FTP & HTTP server. It's also running folding@home. There's no monitor attached. Is there any way to login remotely, something like SSH on UNIX?
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    DVD drive doesn't show up in Windows

    I've had this motherboard for about a year and a half. Gigabyte GA-7N400-L, NForce 2 Ultra400. Anyway, yesterday I flashed a new BIOS version. When I rebooted, the OS wouldn't load, a couple times it said there was a system file that couldn't be found, or it would get to the login screen and...
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    Opening up the M68XX

    A while ago, I was looking for some information on how to open up my emachines M6805 to add RAM internally and put some Arctic Silver on the cpu. I found some stuff on the {H}ardforums, but nobody really showed how. Wereshark has a webpage dedicated to it (as well as some posts on AMD's forums)...
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    Taking apart an M6805

    I have an eMachines M6805, it came with 512MB of RAM, and I want to upgrade to 1GB. The problem is that it comes with 2x256MB sticks, one of which is internal. Does anyone know how to open this beast up? I found some pics of one open at http://www.wereshark.com/m6805/, however, there were no...
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    The future of IA-64

    There was a very interesting article about Itanic on Ars Technica from January 1999. Read the whole article, but a quote in the conclusion struck me as ironic. The author states, "I predict that shelling out for an IA-64 chip to use on the desktop will be overkill until at least 2003, and maybe...
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    Mobility Radeons and Catalyst

    Do ATI's normal Catalyst drivers work with their mobility products? I don't want to go through the huge hassle of finding the driver on my notebook manufacturer's website. Even if I do find it, it'll probably be several revisions old.