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  • ghc6 install trouble: hGetContents: invalid argument (invalid UTF-8 byte sequence)

    - by olimay
    Having trouble installing ghc6 on Ubuntu Maverick via apt. Here's what seems to be the relevant error that comes up when I try to (apt-get|aptitude) install ghc6: A package failed to install. Trying to recover: Setting up ghc6 (6.12.1-13ubuntu1) ... ghc-pkg: /home/opm/.ghc/i386-linux-6.12.1/package.conf.d/unix-compat-0.2-edefa7bced91ebe610d455bab466e200.conf: hGetContents: invalid argument (invalid UTF-8 byte sequence) (Here's the full output, if you're interested: http://paste.ubuntu.com/566475/ ) This still happens after apt-get clean and apt-get update. My searching around has not really helped me understand what's going on, except that it might be caused by a mismatch in locale. So, here's the output of locale too: LANG=en_US.utf8 LANGUAGE=en_US:en LC_CTYPE="en_US.utf8" LC_NUMERIC="en_US.utf8" LC_TIME="en_US.utf8" LC_COLLATE="en_US.utf8" LC_MONETARY="en_US.utf8" LC_MESSAGES="en_US.utf8" LC_PAPER="en_US.utf8" LC_NAME="en_US.utf8" LC_ADDRESS="en_US.utf8" LC_TELEPHONE="en_US.utf8" LC_MEASUREMENT="en_US.utf8" LC_IDENTIFICATION="en_US.utf8" LC_ALL= Any ideas? Additional background: this all seems very strange to me, because I used to have ghc6 installed correctly--I use XMonad as my main window manager most of the time. I tried to install haskell-platform (through apt), which failed and told me that there was something wrong with ghc6, and so I reinstalled ghc6 and began to get the above error message.

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  • Copying Firefox profile

    - by ChrisW
    My computer (well, Windows XP) failed. I got everything off the HD, including my Firefox profile, which I especially wanted because I had lots of open unsaved tabs in my current session (yes, I know that's bad practice!), but also to rescue bookmarks etc. I've now got Windows 7, and reinstalled Firefox. I've read the instructions on the Firefox website about creating new profiles, and I'm not sure they're very intuitive. It says that you can copy all the contents from an old profile into a new 'default' one, which I have done (http://support.mozilla.org/en-US/kb/back-and-restore-information-Firefox-profiles). However, when I open Firefox, the data from this profile isn't being used and Firefox doesn't seem to recognise the data that's there. What am I doing wrong?!

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  • Processor speeds on my machine don't live up to manufacturer hype

    - by atch
    Why am I not seeing the promised speed claims of processor manufacturers on my computer? Producers of processors claim that their product can perform so many thousands (or millions) of operations per second. And yet on my machine (4GB, 3500hz), the typical program (Word, Visual Studio etc.) takes at least 10 seconds to start. I've formatted my hard drive and ticked all the necessary boxes to optimize my machine and yet I'm not seeing the promised speeds. Say it takes Outlook ten seconds to load. How many millions of operations does it really go through in order to start up?

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  • list box items context menu WPF

    - by Eran
    hey guys, I have list box that contains UserControl as item template the user control contains few text blocks in a grid, the thing is that I want to add context menu to my user control that will show on the list item right click but currently only right clicking the textbox inside the user control triggers the context menu appearance clicking the spaces between those textboxes triggers nothing, any idea about how can I trigger the context menu from the container list box? Thanks Eran

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  • 3rd monitor with Dell Precision 490

    - by Animesh Kumar
    I am trying to go for a 3 monitor setup on my workstation, but need some information before I can invest in a new graphics card and 2 monitors. Would be glad to get some help here: I have a Dell Precision 490 workstation with Nvidia Quadro FX 4500 graphics card (PCI-E 16) on it. It has 2 DVI-D ports that can support 2 monitors upto 2560x1600 resolution. For the third monitor, I was looking at Nvidia NVS 295 card, however I am not sure if it is physically possible to hook another card to the motherboard. Here is the spec of Precision 490: http://www.dell.com/downloads/global/products/precn/en/spec_precn_490_en.pdf Can I attach NVS 295 to it? If not, what options do I have?

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  • Getting XAMPP to work with multiple version of PHP

    - by Pennf0lio
    How can I install XAMPP to work with different versions of PHP? I use XAMPP because some of the scripts are buggy when run in WAMP. I use WAMP because it supports different versions of PHP. But now I would like to streamline it down to just XAMPP so that my web development would be easier to manage. Is it possible to configure XAMPP to work with more than one version of PHP? Or is it something that I have to look for in an alternative solution? Note: I'm running on Windows 7.

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  • What speed are Wi-Fi management and control frames sent at?

    - by Bryce Thomas
    There are a bunch of different 802.11 Wi-Fi standards, e.g. 802.11a, 802.11b, 802.11g, 802.11n etc. that all support different speeds. Wi-Fi frames are generally categorised as one of the following: Data frames - carry the actual application data Control frames - coordinate when its safe to send/reduce collisions Management frames - handle connection discovery/setup/tear down (e.g. AP discovery, association, disassociation) My question is about whether all these frames, and specifically management frames, are transmitted at the fastest supported speed available, or whether certain classes of frames are transmitted at some lowest common denominator speed. I have noticed that when I put an 802.11b/g only device into monitor mode and capture traffic over the air, I still see management frames (e.g. association/disassociation) being transmitted between my phone and AP which are both 802.11n, even though 802.11n has a higher transfer rate. So I am imagining one of two possibilities: My 802.11n phone/AP had to negotiate a slower speed for some reason and that's why I can see their frames on my 802.11b/g monitoring device. Management frames (and perhaps control frames also?) are sent at a lower speed, and it's only data frames that are transmitted faster with newer 802.11 standards. The reason I would like to know which one of these two possibilities (or perhaps a third possibility) is the case is that I want to capture management frames, and need to know whether using an 802.11b/g card is going to lead to me missing some frames sent at higher speeds than the monitoring card can observe. If management frames are indeed sent at a slower rate, then it's all good. If I just happen to be seeing the management frames because my phone/AP have negotiated a slower rate though, then I need to reconsider what card I use for packet capture.

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  • Using WinSCP with SSH server and 2 machine hops

    - by Mike
    I'm on a windows machine using putty to ssh into my schools server. From there I need to "slogin -XY machine1" and then "slogin -XY machine2" . Ideally, I'd like to use WinSCP to connect and transfer files. I know I can do this by using two copies of PuTTY , one to ssh into the server and create a proxy, and the second PuTTY to connect to the proxy and login to machine1 and create a second proxy. I can then use winSCP to connect to the proxy server and login to machine2... Is there a simpler way of doing this?

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  • i7 overclocking problem

    - by benwebdev
    Hi everyone, I've got an overclocked system that seems to be misbehaving. When trying to boot up from cold the system just hangs and nothing is output to the screen. Fans are on as they should but nothing happens to finish the boot. From here I have to switch it off then on again and the boot completes. If I go into the tweak menu in the BIOS I'm informed that a boot has failed I've been in touch with Overclockers UK support a bit and theres not yet been a solution. We've mainly been tweaking the voltage for the CPU. Any suggestions? I'm new to Overclocking which is why I got a bundle with OCUK. With this issue happening on Cold Boot too its tricky to test as I have to make a change then wait till the next day. My system is here: Intel Core i7 930 2.80Ghz overclocked to 4GHz Gigabyte X58A-UD3R (BIOS Version: FC) 6GB RAM Power Supply - CoolerMaster Silent Pro M series 700W One suggestion made by OCUK was that maybe its the power supply but I'm not sure and dont have a spare - it's brand new and a pretty expensive piece of kit. Any thoughts on this? Other recomendations for Power? thanks Ben

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  • Control mouse with keyboard in Ubuntu

    - by WishCow
    I'm looking for a program that I can use to control the mouse from the keyboard. I think a video can explain it much better that I could, so please check out Mouser from lifehacker.com: http://lifehacker.com/212816/hack-attack-operate-your-mouse-with-your-keyboard Unfortunately, it's only for Windows, but something this would be the perfect solution. I found a lot of help on mapping keys to programs, but nothing about mapping keys to mouse control.

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  • Backtrack 4 internet problem/vmware tools

    - by Meiko
    Hi i recently installed "Backtrack 4" on my vmware workstation 6.5 and it wont install the vmware tools, and will neither let me drag and drop files into backtrack 4. My network connection says that dhcp is not enabled, but i went over to my reuter and checked and the dhcp was online (using Dir-300 from D-Link)

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  • Apple Mail doesn't apply rules unless I choose "Apply Rules" manually

    - by porneL
    I'm using Apple Mail with IMAP account. I have several filtering rules defined. The problem is that Mail doesn't apply them automatically to incoming email. Even spam isn't filtered automatically. For all incoming email, every time, I have to select e-mails and select "Apply Rules", and then rules work fine (that one time on selected e-mails only). It works like this on two separate installs of Mail with different accounts (both IMAP though). How can I get Mail to apply all rules automatically every time to all e-mails? I wonder does it ignore rules because of misconfiguation, bug or does Apple seriously expect people to use "Apply Rules" menu item regularly?

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  • Extending home network using multiple access point originating from another access point

    - by cyberjar09
    I have a home network with the current setup (RJ45 running from main router to access point) : +-------------+ +--------------+ | 192.168.2.1 | |192.168.2.2 | | router +--------------->access point 1| +-----^-------+ +--------------+ | | +-----+--------+ | 192.168.1.1 | | modem | +-----^--------+ | | | | +--+--+ | ISP | +-----+ However I would like to extend the network to two more floors in the house via the existing Access Point (router is too far and not reachable using a network cable, hence I need to extend using current access point). Please see diagram below : +-------------+ +--------------+ +----------------+ | 192.168.2.1 | |192.168.2.2 | | 192.168.2.3 | | router +--------------->access point 1+----------> access point 2 | +-----^-------+ +--------+-----+ +----------------+ | | | | +-----+--------+ | | 192.168.1.1 | | | modem | | +-----^--------+ | +----------------+ | +----------------> 192.168.2.4 | | | access point 3 | | +----------------+ | +--+--+ | ISP | +-----+ Q1 : is this setup possible? Q2 : if possible, will I have to do anything different from what I did to setup access point 1? edit 1 : I am trying to study the dd-wrt documentation to see which would be the correct mode of operation for me Linking Routers but Im confused because I dont see any info on how to use an existing Access point to extend the signal of the SSID. If anyone could point me to the correct wiki for how I should setup AP2 and AP3 based on AP1, it would be very helpful. For AP1, I did the following Use static IP and setup same SSID as primary wireless router use same security as primary wireless router make AP1 point to 192.168.2.1 (primary router) for DHCP Thanks in advance.

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  • Typing filename in standard open file dialog (Windows 7) - file name suggestion

    - by bybor
    When you use standard windows open file dialog and start typing it puts files whose name starts with what you type to drop down list. But on another pc with same Windows 7 it also puts first of them into input box in which you type - like FF does with URLS, allowing you to immediately press Enter (without pressing 'Down' to select file). I don't know why this behavior is different, but I want suggested file name shown in input box. How could it be achieved? Thanks.

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  • Use an unsigned driver in Windows 7 x64

    - by rjmunro
    I'm trying to use the RBC9 SpaceNavigator TEST x64 build drivers for my SpaceNavigator 3d joystick so that it can work as a normal joystick in games like Quake. Unfortunately, I get the error "This version of windows requires all drivers to have a valid digital signature" and in the "Device status" in device manager, I get "Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)". Is there a way to work around this issue?

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  • JQuery - Ajax saving sortables in connected lists when sortable item is moved

    - by Ben Sinclair
    I have multiple JQuery sortable lists that connect with each other... They allow you to assign users to certain roles. Basically what I want to do is when a user is dragged from one list to another, I want JQuery to pick up the first list that the user was moved from so that I can send an AJAX request to delete it from that list in my database. I tried the following but every time you move the user over a list and haven't even dropped it within a list, it sends this request which means I'll be sending multiple AJAX requests... Does that make sense? $( ".selector" ).sortable({ out: function(event, ui) { ... } }); From my testing, I can use the following code to just update the list that user has been moved to so I've got the second half covered: $( ".selector" ).sortable({ receive: function(event, ui) { ... } }); Hopefully I am making sense :)

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  • Help importing video from old Sony digital tape HandyCam

    - by thatryan
    Some friends gave me their old HandyCam and a bunch of tapes asking me to put them on a DVD. The model is Sony DCR-TVR103 and it records onto Hi8 digital tapes. It has a firewire port also. I am trying to use import function in iMovie on OS X 10.6. Every import though the video is super fast, like playing in fast forward. Ever seen anything like this? How can I import this video? Thank you.

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  • Need Windows XP VGA driver for i3 Haswell

    - by AFH
    Background: I have recently upgraded my hardware because the previous Pentium system started failing to the point that it would not run long enough to boot. It was obviously a hardware fault, but I had no way of knowing whether it was in the motherboard, CPU or memory. Not all the components were now available, so I decided to replace all three. In order to get some benefit from the expenditure, I though I would put in faster components, and for future-proofing went for recently released ones: MSI Z87-G41-PCMate and Intel i3-4130 with 4400 HD graphics. The system performs excellently with Ubuntu 13.10, so I know there are no hardware problems, but I need to continue running XP because it runs several thousand pounds (UK) worth of software, which meets my needs more than adequately: in some cases there is no longer support for later Windows releases, and in most others an expensive and to me unnecessary upgrade is required. Problem: The motherboard specifications claim Windows XP support for the live driver update utility, which misled me into believing that XP drivers were available. Not true: Intel have apparently refused to provide XP drivers for Haswell chips. The update program runs on XP, but finds no suitable Intel drivers. The system is more or less running on the default fail-safe VGA driver, but DirectX will not load, which stops a number of my applications from running. I have been trawling the internet for a month now, but I have not found a graphics driver which will load successfully: all show "This device cannot start. (code 10)". I don't need HDMI support: my monitor is 1280x1024 and connected through the VGA port, so all I need is a driver which will handle this resolution well enough to support DirectX. Has anyone found a driver which will do this? Please don't reply with information found from internet searches, unless you have actually solved this problem: be assured that I have been all round the houses looking at solutions which others have reported as working, but none of them does for me. Incidentally, I did find an Intel HD sound driver which XP accepts (winxp_145111.exe from Intel), though without connecting to an HDMI port on a TV or sound system I have no idea if it works in practice. However, the graphics section of the same driver fails, like all the others I've tried.

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  • UIPopoverController. Is is appropriate to embed a tableViewController within?

    - by dugla
    I am doing an iPad imaging app and I am considering UIPopoverController as my workhorse user interface element. The user will spend most of their time immersed in fullscreen content (in both portrait and landscape). When the user wants to select a different piece of content I want to use UIPopoverController to handle that. Is it appropriate to embed a tableViewController in a UIPopoverController to allow in-place scrolling or am I abusing the intended use of UIPopoverController? Thanks, Doug

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  • How do I get VDPAU working with Ubuntu 9.1?

    - by Brad Robertson
    What do I need to do to get MKV HD videos playing with VDPAU and also Blu-ray discs? Lots of people say you need to compile the latest MPlayer (which I haven't had luck doing) for VDPAU. I found an mplayer ppa that says it has VDPAU compiled into it so I'd like to use that. What packages do I need for playing MKV files and Blu-ray with the video decoding offloaded to my GPU? So far I haven't had any luck with any of the tutorials I've found. I'm just looking for a quick synopsis that will tell me what I'm looking for as I'm kind of shooting in the dark. (I didn't know what VDPAU was until a few days ago.)

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