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  • MySQL, if a value is in one of two columns, return the value from the other one

    - by erikric
    Hi, This might be an easy one, but I'm not really experienced with sql. I have a table with two user_id columns, user1 and user2. This table contains some compared values between the two users. I want to send in an user id, and return all the id's from the other user when the sent user is either user1 or user2. I guess some sort of if test would do the trick, but I don't know how to do this in SQL. Cheers

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  • How to clone and deploy multiple machines?

    - by Mimi
    Hi, See what I wanna do is basically make bootable clones or disc images or whatever(let's call it "stuff" for now ) and store many of them in a single big HDD. Then, I wanna use that big HDD and the "stuff" in it to be able to deploy new machines without the hassle of reinstalling Windows and whatnot(i.e. I do not want to restore nor simply clone a same machine, I literally want to use clones to save time during machine set up). Obviously I'd deploy the "stuff" onto an HDD going into a machine that I know the hardware of to avoid driver issues and whatnot. I alos have enough Windows keys to deal with the multiple activations. I tried using Acronis True Image but it doesn't seem to do what I want(unless idk how to use it properly). Any advice is welcome thanks :)

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  • Running SUN UDS 5213 on Windows 7

    - by Lebo
    I am getting this error when I try to install Sun ONE UDS 5213 on Windows 7: This Windows NT system does not have TCP/IP installed. Please install the TCP/IP package before installing Sun ONE UDS Please help.

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  • Essential topics to be discussed in Linux 101

    - by zengr
    Hi, We are organizing a Linux 101 Workshop for undergrad and grad students. Can you share some ideas/topics that are must for people who are just starting with Linux. Preconditions: No knowledge of Linux OS, philosophy and technical aspects (kernel, shell, commands) Post conditions: A basic crash course of Linux which will give them a good start and answer some basic questions asked on it.

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  • Share files from Windows XP to Mac Snow Leopard

    - by sympleko
    Hi, I have a Windows XP desktop and a MacBook Pro on my home network. I would like to mount my "home directory" (My Documents, or whatever they call it in Windows) onto my MacBook's filesystem. So far I have been able to do this with the Shared Documents folder, using the excellent howto at Maclive. But I'd like to be able to authenticate using my Windows XP username and password, and access my files remotely without exposing them to everyone on the nextwork. Any clues or good links?

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  • Portable trackball mouse, any recommendations?

    - by joshcomley
    Hi, I know there are other "mouse recommendation" questions, but I'm after some specific advise: Are there any useful and portable trackball mice? I'm particularly interested to hear if the recommendation has been used by the recommender! I have some space for a mouse on my travels, which are mainly on a train. A trackball mouse is the only real viable option as I don't really have room to "move around" a lot. I'm aware of the Genius Traveller 350: And some more crazy inventions: Anybody actually used any of these? Or anyone know of anything a little better? I have the Logitech Trackman, but the receiver makes it wholly unportable (and it's quite big anyway): Any thoughts?

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  • linux display drivers

    - by salman
    I've run into a major display problem on newly installed fedora 11, on my 6 years old pc which runs a pentium4 2.4 GHz processor, 1 gb ddr ram, intel 845 motherboard with integrated graphics card. When i open an image or play a video, my complete screen turns garbled. I simply cannot make out whats on my screen. With difficulty i have to close the image/video window and move around the folder window to clean the screen image. Is it because of my display drivers? How can i fix it? I also ran into mp3 plugins and flash issues which i was able to resovle. I'm new to linux, the sole purpose of isntalling it on my old pc was to learn linux but this display problem is frustrating me. Thanks, Salman

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  • Shared printer hosted by Windows 7 to XP peers [closed]

    - by Alistair Knock
    Possible Duplicate: Add Network Printer drivers in Windows 7/Server 2008 R2? A Canon Pixma ip4600 installed all by itself when connected to a Windows 7-64 bit machine. I then updated it with the add-on Canon provide to give additional functionality. I then wish to share it with a box which is running Windows XP 32-bit. The XP box can see the printer but can't find a driver from the 7 machine, which is fine. I ask the 7 machine to get the x86 drivers, but it can't. I install the 32-bit XP drivers on the XP machine, but unlike previous Canon drivers (which unzip to give an .inf file), they assume a local printer and partially give up. I find the .inf file in the Program files\CanonBJ\... directory. Neither the XP machine, nor the 7 machine when the CanonBJ directory is shared to it, is happy with the .inf file. I attempt to install the 32-bit drivers on the 64-bit 7 machine, which, understandably, fail. Where do we go from here? (I apologise for posting in the first-person, I'm not sure why this was)

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  • MicroSD card isn't detected by computer, apparently usable only with phone

    - by paulcjoubert
    I have a 4GB MicroSD card that apparently only works (in the sense that the device detects and can read and write from and to the card) with my old Nokia XpressMusic 5800 phone. I have taken pictures and recorded voice notes that were saved on the card. These are accessible after the card has been removed, which tells me that the problem isn't with the card. The card could also not be locked to the phone as it would at least be detected by a computer and it would be able to write raw data to it with dd, such as /dev/zero. Also, the card is not the Nokia card that came with the phone and I have done nothing that would have caused it to be locked. (I could not find anything on Nokia's website that helps, but then again... my search was not THAT thorough.) The card works on no other device that I have tried so far. I have tried it in my Canon camera (through an adapter), but it refuses to even boot with the card inserted. My card reader (via USB cable and hub) is detected as /dev/sdx with or without the card inserted. When trying to access the card I get an "No medium found". dmesg does not report any change at all when inserting and removing the card. I would obviously like to use my card on other devices - the phone is quite old - and even a likely explanation would help. Thankyou in advance! EDIT 1: I can use the card by connecting the phone to my computer, but this is impractical and would not allow me to use the card in any other device. EDIT 2: The data on the card is not important to me at all.

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  • Macbook Battery Charging Troubles

    - by bobber205
    Problem: Occasionally, my macbook's battery will say it's charging and actually won't be. It stays at 0% for a long time. Other info: I thought it was my battery (laptop was 3 years old). Got a new battery. Issue did not go away. Got a new power supply. Did not go away. Ended up getting a unibody macbook pro. :) (We even ended up moving to a new house). Now still having the issue. The only thing I can think of is my power strip, which is the only thing that has stayed constant. Is it possible for the strip to be affecting the amount of watts my macbook(s) are getting and preventing it from properly charing the battery. I think it goes in and out, the battery picks up the slack and once it's empty the computer shuts down b/c there's no power at all for a second or two. Funny thing is I have a desktop PC on this same strip and it has never had issues with power. Thanks! :)

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  • Is exFAT safe to unplug without unmounting first?

    - by romkyns
    I'm hitting the 4GB limit of FAT32 on USB drives more and more often. However, being able to unplug the device without unmounting it first is a must have for me. I've noticed exFAT recently, however I couldn't find any info on whether drives formatted with exFAT can be unplugged safely without unmounting. Can they?

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  • tag structured Filesystems

    - by A.Rashad
    I hope this is the correct site, I lose my way between the 4 sister sites :) Let me ask the question this way. all file systems I have seen before are hierarchical, that means a root directory, with some branched directories, and so on until we have files residing in these directories. except for AS/400 file structure, where it has a concept of a Library that serve somehow as a directory but one level only. Why not have directory-less filesystems where files are placed in a single location, but the file identifiers would be referenced by a database of tag/ file relation ships. This way there will be no need for symbolic links, one file may have multiple relations to multiple subjects, not only a single parent directory to contain. I hope the idea is clear.

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  • Which subnet masks are valid for a subnetted Class B address?

    - by Daddy Warbox
    Yes, this is a school question, and yes I already know the correct possible answers (supposedly), so I'm not going to bother posting them. Instead, I just want to understand the meaning of this question. I know what class B addresses are, and what valid class B subnet addresses are. I guess one way to define my question is to ask why the answer "255.255.0.0" is wrong, necessarily? That seems to defy my understanding, or else some part of my brain is just not registering the question correctly. Thanks in advance.

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  • how to open command prompt?

    - by ankush
    i have to open command prompt, but my laptop is not starting, when i on it, it show a error.. BOOTMGR is compressed restart press ctrl+alt+dlt. i have to open dos and launch ie and then delete some file from c drive

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  • Why does my font in the OneNote 2010 beta keep changing back to a non-default?

    - by Matt
    In OneNote options I've set a particular default font. Then I selected all text in a particular notebook section and change it to the new font. However, whenever I insert a new line in that existing body of text, it reverts to a font that isn't my default. Almost as if the incorrect "style" information is somehow embedded in the existing text, even though the text itself is the correct font. How can I resolve this?

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  • Issues with softlink

    - by Ajay
    I am trying to create a softlink through unix command that is ln -s /ajay/i4sites/i4gear.com/docs/includes /ajay/i4sites/i4content.com/docs/includes but this always give one message this is not in directory. I want to know only one thing that for creating softlink unix command svn should be worked or not.Is it compulsory.i have execute the command svn status svn: warning: '.' is not a working copy. so please clear me..

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  • CentOS connect to the internet

    - by Delirium tremens
    I installed CentOS, but it didn't automatically connect to the internet. Is that the normal behavior? I have Ethernet Broadband Router DI-604 and WebStar DPX2203 series Cablemodem with EMTA . What should I do to connect to the internet? Update: A cousin told me my ethernet adapter or network board will depend on my motherboard. My computer upgrade document says the motherboard is gigabyte video onboard. I heard gigabyte's network adapters are Gigabit or Realtek. In CentOS, System - Administration - Network - New - Ethernet, first, only "Other Network Board" was listed, so I selected it and clicked Next, then there wasn't Gigabit, but there was Realtek, so I selected Realtek. I heard with Net Virtua selecting dhcp the things first answered asked me to tell first answerer are automatically configured. So I tried Realtek with dhcp, but it still didn't work.

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  • How to see who is using my wifi

    - by Bakhtiyor
    Dear all. Such a question. I have WiFi router at home and would like to know if there is any way to know who is connected to my WiFi network and using it. My WiFi network is password protected but still there could be chances that neighbors crack it and could use my WiFi for free. For this reason I would like to know is there is any tool to inspect the log of WiFi router in order to know which computers are connecting to it. Thanks a lot beforehand.

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