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  • [ruby] Check if file is a valid image

    - by some guy
    Hi all, I'm using rmagick to manipulate image files. I use the ImageList.new on each file to get started. When I apply this method to an invalid image file I get the below error which interrupts the execution of the script: RMagick.rb:1635:in `read': Improper image header (Magick::ImageMagickError) Therefore I would like to be able to check whether a file is a valid image file before using this method. Any ideas? Thanks.

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  • XUL - Access to image information

    - by Murali
    Hello All, I trying to figure out how to write a Firefox extension that would give image information when i right-click on the image. Basically, I want image path when user right-clicks on the image. Any help would be greatly appreciated. Thanks.

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  • how to give image path in java script in asp.net mvc

    - by Renu123
    i am using asp.net mvc for my project. i am using partial views for that i used ajax jaquery every thing is working fine but i am not getting image for loading when i upload an image. image get displyed at local host it has problem when i upload the project. i have given image as: $jq("#ajaxThrobber").html('<img src="/Images/ajax-loader.gif"> Loading.....'); please advice me thank you.

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  • positioning image using css

    - by TomBs
    hi, i really need to place an image somewhere in the page (100 pixels from the left side for example) but i want to control where the center of the image will be, when i use left:100px; , the image is positioned 100px from its left edge and not from its center... is there a way i can choose where the center of the image will be and not the left/right edge?

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  • display original image color with UIBarButtonItem

    - by user262325
    I used codes below to display a image on an UIBarButtonItem UIBarButtonItem *myButtonItem; myButtonItem= [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"image.png"] style:UIBarButtonItemStylePlain target:self action:@selector(pressB:)]; but the image color is two colors(red/blue), but the image displayed on the ButtonItem is white. Iy looks like IOS change it to white color automatically. Welcome any comment

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  • Xcode: How to change Image on Touching at an Image (same Position)?

    - by Markus S.
    Simply, I have placed an image with the Interface Builder in a UIView. Now I want to run a method/function when I am touching that image, for example when another image should be loaded. My Code: - (void)touchesended:(NSSet*) touches withEvent:(UIEvent *)event { // UITouch *touch = [touch anyObject]; bild_1_1.image = [UIImage imageNamed:@"t_1_4.jpg"]; //} }

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  • How to set Background image for iphone app in phonegap

    - by Sandeep
    I am new in phonegap development and i am developing one project for iphone application with use of phonegap framework. I am setting http://www.wallpaperbase.com/wallpapers/computer/mac/mac_8.jpg image as a background of my iphone application but its showing problem with image means image not properly displaying on my iphone Device like as given image example below. Please solve my issue ASPS. Please check my code and let me know what's wrong in it.

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  • Is there a way to fix the background image of a UITableView

    - by user337174
    Hi I have set the background of my UITable with a custom image. self.tableView.backgroundColor = [UIColor clearColor]; self.tableView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"background.png"]]; The problem im having is the background image is scrolling and doesn't look good at the top and bottom of the screen where you see the image being joined. Is there a way to fix the position of the background image and just have the table scroll over the top of it?

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  • saving an image object in sql server database from action method

    - by user3532152
    [HttpPost] public void Test(HttpPostedFileBase file) { UsersContext db = new UsersContext(); byte[] image = new byte[file.ContentLength]; file.InputStream.Read(image, 0, image.Length); CrimeReport i = new CrimeReport { ImageId=1, ImageName="Anjli",ImageContent = image, Active=true }; db.CrimeReports.Add(i); db.SaveChanges(); } I am getting an exception on db.CrimeReports.Add(i);

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  • Automate Reading Lotto Numbers

    - by neiling
    When we buy a large qty of Lotto tickets, is there a way to read all those numbers into a spreadsheet so that they can be checked against the winning numbers thru formulas/macros? I am looking for an OCR application that can read the scanned PDF/JPG file and dump them into a file. (This might apply not only to Lotto, but also to other scanned documents.) As for checking for winning numbers, I know how to do it once I have them in a CSV/XLS file.

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  • Windows 7 Reading Proper Disk Usage Statistics on Mounted Volumes

    - by Troy Perkins
    I'm running windows 7 with 2 x 1.5 TBYTE Drives. The second internal drive is setup as a mounted volume as C:\Archives Clicking computer icon in windows explorer, it only shows capacity stats for C: and Not C:\Archives Also, the usage stats that do show for C: show to be 100% capacity red - yet the system runs fine. No warnings. Can someone explain this? I do have a lot of stuff on the c: drive, but I'm sure its not 1.5 TB worth and C:\Archives hardly has anything it. Thanks! Troy

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  • Dell PE2950 - slow IO rates for writing and reading locally

    - by OrenM
    I'm having a serious issue with dell server PE2950. The server has really slow IO rates, so slow that I'm not able to use it anymore I tried few things to solve this: changing disks to new disks (configured them as raid1) changing perc card + perc cables reinstalling the OS of course, had to cause of changing of disks, centos 5.5 x64bit firmware update to everything virtual disks policy: No Read Ahead,Write Back, disk cache policy disabled. openmanage doesn't alert about anything, also i ran dell's diag tests, everything passed, also dell didn't see anything in deset log. dell offered to reseat everything, including the cpu, we did that as well, still io rates are slow I have several PE2950 servers, and I never had such a thing with any of those. All have similar or exact hardware as this one, all configured the same, with the same os centos 5.5 x64, same disks, same raid, same policy. Just for comparison: the problematic PE2950 server: [root@bad ~]# time sh -c "dd if=/dev/zero of=/tmp/ddfile bs=8k count=200000 && sync" 200000+0 records in 200000+0 records out 1638400000 bytes (1.6 GB) copied, 27.7946 seconds, 58.9 MB/s real 0m33.968s user 0m0.531s sys 0m26.000s good PE2950 server (with the exact same hardware): [root@good ~]# time sh -c "dd if=/dev/zero of=/tmp/ddfile bs=8k count=200000 && sync" 200000+0 records in 200000+0 records out 1638400000 bytes (1.6 GB) copied, 3.19999 seconds, 512 MB/s real 0m7.694s user 0m0.053s sys 0m4.057s Hopefully you will have an idea what can cause the problem.

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  • check_mk IPMI PCM sensor reading randomly fails

    - by Julian Kessel
    I use check_mk_agent for monitoring a server with IPMI and the freeipmi-tools installed. As far as I can see, the monitoring randomly detects no value returned by the IPMI Sensor "Temperature_PCH_Temp". That's a problem since it results in a CRITICAL state triggering a notification. The interruption lasts only over one check, the following is always OK. The temperature is in no edge area and neither the readings before the fail nor after show a Temp that is tending to overrun a treshold. Has someone an idea on what could be the reason for this behaviour and how prevent it?

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  • Directly reading a LTO tape drive

    - by John
    On our server (M$ 2003) is it possible to directly read our LTO 4 tape drive and copy the entire ntbackup created bkf file on it to an external hard disk? (Is the tape backup even stored on a tape as a bkf file, I’m going off when we only used external usb HD’s.)

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  • Secondary drive corrupted/not reading

    - by Sebastian
    When I connect my Seagate Barracuda to the computer, it shows up on the list of drives in Windows Explorer, but right clicking on it crashes Windows Explorer, opening it won't do anything, and I cannot start disk manager when it is connected. Trying to search the drive also freezes Windows Explorer. I have tried to run CHKDSK on it, and it was "unable to read $J data stream" for the Usn Journal. Also, it was an internal drive, but I pulled it out and hooked it up externally so I could test if it was that drive causing the problems. Is there any way for me to copy the files off of the drive?

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  • Reading PFS First Choice and Word Perfect 5 files in an XP or Windows 98 environment

    - by indyK1ng
    Hello all, My priest has 3 computers, Windows 3.1, Windows 98 and Windows XP. Recently his power supply blew out on his Windows 3.1 computer and he needs to get to the data on the hard drive. He's looking into imaging the hard drive and setting it up as a VM, which might be a bit much for him. Ignoring getting the data off the hard drive as a separate problem, are there any programs out there that can read files from PFS First Choice and Word Perfect 5. He already has Microsoft Office so solutions involving that are preferable. If he can install the software on his Windows XP or 98 computer, that would be helpful too. Thank you for your help

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  • Snow Leopard not reading NTFS

    - by dtmunir
    I just upgraded a brand new Macbook Pro that I bought with 10.5 installed to Snow Leopard. After doing the upgrade I am trying to access NTFS partitions on my external hard drive but they are just not showing up. I went ahead and installed Windows 7 using Parallels, and I can access the NTFS partitions from within Windows, but not from Mac OS X. I know that Snow Leopard should be able to at least read NTFS drives, so what is going on here?

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  • Windows 7 System process reading/writing like crazy

    - by Mats Ekberg
    I have a problem that my windows 7 computer sometimes starts accessing the disk like crazy for maybe 10 minutes at a time. The process in question is the "system" process. I have disabled superfetch and hibernation on my computer, if that makes any difference. I disabled those to see if they were the cause of the problems, but no change. I have 6 GB of RAM and only the web browser was started when I took the screenshot, so I don't think it was thrashing due to page faults. Any ideas on how to find the cause of this?

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  • The best LCD monitors for reading text?

    - by Xeoncross
    I have been using an 19" Acer AL1916A B for several years now. While possibly failing in other areas - the text was incredibly sharp. Which is very important for someone like me that spends all day writing code. My eyes are very finely tuned and I can see refresh rates and even the smallest pixel overflows from anti-aliasing. Unfortunately it finally died. I then tried a 19" widescreen Acer X193w+ and found that the text was much less sharp. I also tried a 19" widescreen Samsung 920nw and was also disappointed. (by the way, widescreen is a great invention for companies - the same price for less screen!). I am looking for a couple of options of LCD's that hands-down render text ultra sharp and clear. This isn't subjective - an LCD either has sharp text or it doesn't. Anyone with delicate eyes can see the difference and knows what I'm talking about. Please also bare in mind that you're vision can adjust to a given screen; rendering your judgment biased if you do not constantly use other monitors also. If you use windows with ClearType enabled please do not reply.

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  • Multicast image restoration with adaptive speed

    - by Clinton Blackmore
    I'm curious to know if there are any tools for restoring disk images (or even transferring files) via multicast -- for any platform, especially if the project has source available -- where the multicast rate adjusts itself on the fly. On the Mac, all multicast solutions I am aware of (such as Deploy Studio, and NetRestore before it) make use of multicast ASR (apple software restore), which has one glaring deficiency -- you have to set the multicast speed before you start sending a disk image over the network, and that speed is locked in. Either your clients can keep up and restore, or they can't*. It seems to me that it must be possible for the multicast server to adjust the data rate, so you basically say "start sending this image", clients connect, and, if they can't keep up, they tell the server so it slows down. (Likewise, I'd expect the server to try speeding up if no client is having difficulties keeping up, and I'd expect to be able to cap that maximum throughput so that other network activities can go on without being resource starved.) So, what sort of tools are out there? For Linux? Windows? Is there something for the Mac I've overlooked. [It just kills me that it is true that, by the time you get multicast up and going at a good speed to restore a lab, you could've unicasted the data to all the computers and be done.] * There is a little leeway involved. I think individual clients can say, "I missed a little bit of data" and get it, and they can opt to listen in the next time the image is sent over the network, but on the whole, if they missed it the first go round, you have to image the machine again, and there is no time savings.

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  • Converting An Older VMWare Image to ESXi

    - by Bart Silverstrim
    I have just installed VMWare ESXi and imported one physical machine without issue and one virtual machine, from an older version of VMWare Server on a Linux system, to it without issue. But I have another machine (Windows XP), virtual running on the VMWare Server, that I can't get the Converter to work with. Converter runs, says everything is fine, but when I go to the ESXi VSphere manager and hit the button to power up that vm, the console stays black with a blinking cursor and the processor for that VM spikes 100% and stays there. An event log item in VSphere warns something about activation issues with Windows. Has anyone else run into this issue before? Is it something with the disk controller? I copied the folder with the VM directly to the storage drive on ESXi hoping to create a new machine and point the data store to that folder or at least that drive image; nope, something about not using an IDE controller (must be something with the older format). In short, converter is doing something that particular machine doesn't like, and I can't find a way to simply open that hard disk image or convert it unless someone else has seen this. I try attaching a bootable CD image for disk repair to see if it can check the hard drive but I can't seem to get the console to boot from it...either too slow on the button or it just isn't able to easily boot from a virtual drive image (.iso). Any suggestions or help?

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