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  • Display Resolution all wrong iin 12.04.1 running in VBox

    - by André Alçada Padez
    I have a Ubuntu 12.04.1 (64bits) system, running perfectly alongside Windows 7. I needed to create a Virtual Machine in VBox running the same 12.04.1 (64bits). I have a 15 inch notebook w/ NVidia Graphics, display running at 1920*1080 on the host system. installed the Guest Additions and restarted the VM Configured the VM for 128 MB (max) of memory for the graphics I can only configure the 4:3 display resolutions: 1280*960 / 1023*768 / 800*600 What can i do to be able to have 16/10 1920*1080?

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  • Why don't xUnit frameworks allow tests to run in parallel?

    - by Xavier Nodet
    Do you know of any xUnit framework that allows to run tests in parallel, to make use of multiple cores in today's machine? I don't... If none (or so few) of them does it, maybe there is a reason... Is it that tests are usually so quick that people simply don't feel the need to paralellize them? Is there something deeper that precludes distributing (at least some of) the tests over multiple threads? Thanks!

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  • MPEG-2 playback inconsistent

    - by DustByte
    Many years ago I gave up on Linux because video playback was choppy. Now I'm back, and video playback is still playing up... I have two MPEG files: good.mpg bad.mpg. Here is some information about the two files, using avprobe: My machine is Intel Core 2 Duo E8400 @ 3.00GHz x 2, 64-bit. I do not know what graphics card I have. I run Ubuntu 12.04. So far I have had no problems with YouTube and playback of various video files, including playback of the file good.mpg, included in the avprobe snapshot above. However, the file bad.mpg gives me headache! The file bad.mpg is produced by a respectable "Old-video-tapes-to-DVD" company. I converted over 10 Video-8 tapes to MPEG through them, and today I collected my hard drive containing the MPEG files. Unfortunately I have problem watching them! Here are some details: Using Totem Movie Player 3.0.1 works well for several seconds, then it gets choppy and the playback is not at all smooth. Also the player easily freezes for a while when trying to jump to another position in the file. Most strangely though, the total time is shown as 0:42 (42 seconds) instead of the true 00:39:11: The VLC media player is doing a better job. It shows the correct total length, but as soon as I jump in the video to a new position, it stalls. Playback also stalls after 30 seconds if I press play and leave it. Using Handbrake and choosing bad.mpg as the source, gives me: There is only one title to choose, and it is 6 min 53 seconds. I would have guessed the full 39 minutes of the video should have shown. Lastly, putting the file bad.mpg in Dropbox and viewing it on my iPad with the Dropbox app seems fine (disregard the lack of easy jumping forward due to real-time encoding when streaming it). My question is simple: What is going on?! Why do I have problem to play the MPEG-2 files I just paid good money for (the issue with bad.mpg applies to all files I had encoded)? Is it an issue with my particular Linux machine? The graphics card? But why has everything worked fine so far, and why does not the good.mpg file cause any problems?

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  • Where do I create the file .htaccess, in order to serve my HTML5 cache manifest file correctly?

    - by Forrest
    From a post on http://diveintohtml5.org/offline.html (Wayback Machine Copy) Your cache manifest file can be located anywhere on your web server, but it must be served with the content type text/cache-manifest. If you are running an Apache-based web server, you can probably just put an AddType directive in the .htaccess file at the root of your web directory: AddType text/cache-manifest .manifest Where do I create the file .htaccess? Need some more setup with apachectl ? Thanks very much !

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  • know more on /etc/hosts

    - by Habi
    Can somebody explain what does this mean? Explanation to each line will be helpful. I have mentioned some of my queries in comments too. 127.0.0.1 localhost //According to @Dave, it's machine ip. 127.0.1.1 dell-Inspiron-342 // then what is this ip of? The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters

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  • Installation issue after 4 attempts

    - by SixTen
    Have successfully installed Ubuntu 12.10 on 2 laptops, one running Vista & one running Windows8. Made 4 attempts (long downloads of WUBI.EXE) to different HD's & still NO GO. The machine is an older machine with Windows2000Professional installed & running. The system has 3 hard drives; C:(20.5 Gb with 7.26Gb Free), D: (74.5 Gb with 33.1 Gb Free), & E: (35.3 Gb with 24.8 Gb Free) which all have Gigabytes space available; also an A: 3 1/2floppy drive and a CD-drive burner. The CPU processor is older but seems sufficient: AMD Athlon XP 1700+ and the task manager of Windows2000 shows the processor works fine.. The flat-screen display works fine. Here is the error message I receive each time the 'installation configuration' is verified: "No root file system is defined" "Please correct this from partitioning menu" << The Ubuntu operating system is allowing me a couple of options at the very top right menu. I was able to establish a wireless connection but the MAIN homepage won't load with FIREFOX app or any other apps. I cannot access or even find any 'Partitioning Menu" from the displayed page. I cannot access files or Windows Explorer to view drives since I'm not using the Windows O/S. If I try to go back & re-install the UBUNTU 12.10 again, it always asks me to UNINSTALL the one found on the HD & then I run WUBI.EXE again which takes a long time for the download. Do I need to go back into Windows2000 & use Windows Explorer to look at the file structure & add a partition? On previous attempts I have tried loading the WUBI.EXE on all 3 HD's C: D: & E: Sure is frustrating?? Thanks for any suggestions. NEW UBUNTU user & what I've seen so far I like.. (J.R.)

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  • Installing a minimal GUI + VNC

    - by Malachi
    I have a fresh install of Ubuntu 10.04 Server on my VPS and would like to install a minimal GUI onto this and allow VNC access to. Please could someone outline the steps required to set this up so that I can VNC to my machine under a newly created user account. Create the user: useradd -m -s /bin/bash -p password -d /home/usera userA chown userA:users /home/usera Install the GUI sudo apt-get install --no-install-recommends ubuntu-desktop Setup VNC ?

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  • The Best Way to Update ATI AGP Driver

    It is extremely necessary to constantly update the ATI AGP driver to ensure that your system or machine is running without any hindrance. The latest version of the driver also helps to stabilize the ... [Author: Sunny Makkar - Computers and Internet - March 20, 2010]

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  • Likewise: joined Active Directory but cannot write shares.

    - by Aron Rotteveel
    I have never used a Linux system in an AD environment before and am trying to join my laptop running Ubuntu to join our Active Directory (DC is a Windows Server 2008 machine) using Likewise-open. Using the GUI wizard, I have joined the domain. I can mount network shares using CIFS Problem: I only have read access to our fileserver. What more is needed to get the AD to recognize me as a user who has the appropriate rights? Any help is appreciated.

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  • Best way to cache apt downloads on a LAN?

    - by Ken Simon
    I have multiple Ubuntu machines at home and a pretty slow internet connection, and sometimes multiple machines need to be updated at once (especially during new Ubuntu releases.) Is there a way where only one of my machines needs to download the packages, and the other machines can use the first machine to get the debs? Does it involve setting up my own local mirror? Or a proxy server? Or can it be made simpler?

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  • How to recognize an optimus laptop?

    - by kellogs
    kellogs@kellogs-K52Jc ~ $ lspci 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 18) 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06) 00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06) 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06) 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06) 00:1c.5 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 (rev 06) 00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6) 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 06) 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 06) 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06) 02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) 03:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 80) 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 80) 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 80) 03:00.4 System peripheral: JMicron Technology Corp. xD Host Controller (rev 80) 03:00.5 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 03) ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 05) ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 05) ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 05) ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 05) ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 05) ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 05) kellogs@kellogs-K52Jc ~ $ inxi -SGx System: Host: kellogs-K52Jc Kernel: 3.5.0-17-generic x86_64 (64 bit, gcc: 4.7.2) Desktop: KDE 4.9.5 (Qt 4.8.3) Distro: Linux Mint 14 Nadia Graphics: Card: Intel Core Processor Integrated Graphics Controller bus-ID: 00:02.0 X.Org: 1.13.0 drivers: intel (unloaded: fbdev,vesa) Resolution: [email protected] GLX Renderer: Mesa DRI Intel Ironlake Mobile GLX Version: 2.1 Mesa 9.0.3 Direct Rendering: Yes kellogs@kellogs-K52Jc ~ $ lshw [...] *-display description: VGA compatible controller product: Core Processor Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 18 width: 64 bits clock: 33MHz capabilities: vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:44 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:e080(size=8) Manufacturer advertises the K52Jc model which I bought as optimus enabled. However, no traces of it in the output above. Of course, Bumblebee would not start on this machine. Should I rest assured that is a defective / un-optimused machine ?

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  • Improve Performance of char.IsWhiteSpace for ASCII inputs in .NET 3.5

    - by Tanzim Saqib
    IsNullOrWhiteSpace is a new method introduced in string class in .NET 4.0. While this is a very useful method in string based processing, I attempted to implement it in .NET 3.5 using char.IsWhiteSpace() . I have found significant performance penalty using this method which I replaced later on, with my version. The following code takes about 20.6074219 seconds in my machine whereas my implementation of char.IsWhiteSpace takes about 1/4 less time 15.8271485 seconds only. In many scenarios ex. string...(read more)

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  • 12.0.4.1 Reboot before install

    - by Cory
    I'm trying to install 12.04.1 and after I choose install or live, it just goes to a blinking cursor or some text, then reboots the machine. I've tried nomodeset, alternate install, dvd install, and usb. Same problem with all of them. I've also tried unplugging unnecessary devices such as my webcam and 2nd monitor. Specs: gigabyte mobo AMD Phenom II 965 @ 3.7 4gb ddr2 1066 AMD Radeon HD 6870 Creative Sound Blaster X-fi xtreme gamer

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  • No gnome shell after install on ubuntu 12.04 inside VMWare workstation

    - by Wouter
    I created a virtual machine for ubuntu 12.04. I then installed GNOME3 from the software center, How do I install and use the latest version of GNOME Shell?. However after install I don't get the new gnome shell, in the terminal gnome-shell --version tells me that I'm using the latest version, 3.4.1. My interface now looks like this: Does anybody have an idea why I do not get the latest gnome shell? @Histo yes but why I don't have this interface?

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  • Why does key-based ssh fail even after setting up the authorized_keys file on the remote host?

    - by Brad Grissom
    These details don't matter but I am on a Ubuntu 12.04 machine and I want to ssh into my RaspberryPi without a password. I followed the standard procedure for setting up ssh without a password: local $ ssh-keygen -t rsa (hit enter for defaults to the questions) local $ scp ~/.ssh/id_rsa.pub matt@raspihost:~/.ssh/authorized_keys I logged onto the raspihost and checked all my permissions on ~/.ssh/ and on the authorized_keys file itself. It was still not working!

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  • Media server...serving files...............for a limited time only

    - by Craig
    I’m new to Ubuntu and am seeking help with a media server I have built. I have a couple of HTPCs in my house running XBMC. I wanted to build one for the family room working double duty as a HTPC, and media server to share movies, TV shows, music, etc. on my Windows network. So using some spare old parts I had lying around I decided to go CRAZY and build my first Linux box. I used Ubuntu because it seemed to be the most user friendly variant, especially for people that are new to Linux. I had to do a few things to get the media files shared properly on my network: Made sure my two media drives auto-mount every time I boot the computer by editing the “fstab” file – “sudo nano /etc/fstab” Installed Samba - “sudo apt-get install samba” Set a password for Samba - “sudo smbpasswd –a USERNAME” Edited the Samba configuration file to make sure the computer was in my networks workgroup – “sudo nano /etc/samba/smb.conf” In the file manager (not sure if that’s the right name for it), I right-clicked my media folders and set the sharing and permissions. The sharing was done without guest access, and permissions were set to; Owner, Group, and Others - Access: Create and Delete Files. Adjusted the Power Management settings to never put the system into sleep mode. I checked to see if I had access to the files from a Windows 7 machine and I did (Woo Hoo!). But when I tried to play any of my video files from the Windows machine (using VLC media player), they would only play for about 2-5 minutes and then they would stop with an error message saying that the file could not be accessed (Booo...). I tried playing some files through XBMC running in Windows and they worked for a bit longer (about 10-15mins), but they also stopped playing. I installed the Linux version of XBMC on the server and played the files locally with no problems. It doesn’t seem to be an issue with the files themselves, it seems to be a sharing problem on my network. So my question to the Ubuntu gurus out there is: Did I miss adding/editing something in the Samba configuration file? Did I use the right method to share my media files (file manager vs. using the terminal)? Is it possible for the computer to still go to sleep without the screen going black (does that even make sense?). Are there any special settings in Ubuntu that I should be using since this computer as a media server (is there a media server mode?...!...?). Any help on this matter would be greatly appreciated. Thanks

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  • Une implémentation en JavaScript introduit OpenPGP aux Webmails, sécuriser ses emails ne requiert plus l'utilisation d'un client de messagerie

    Une implémentation en JavaScript introduit OpenPGP aux Webmails Sécuriser ses emails ne requiert plus l'utilisation d'un client de messagerie Si une implémentation de la machine virtuelle Java en JavaScript peut être vue comme un délire de Geek, reprendre la norme de chiffrement OpenPGP avec ce langage a de quoi susciter de l'intérêt et démocratiser la sécurisation des emails. Les chercheurs de Recurity Labs, éditeur allemand de logiciels, l'ont fait avec le projet GPG4Browsers. Actuellement à l'état de prototype en tant qu'extension Google Chrome, l'implémentation s'intègre avec Gmail et permet de chiffrer, décryp...

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  • installing Ubuntu 32 bit and Lubuntu 64 bit with the same home directories

    - by rakesh
    Mine is a 64 bit machine and I had installed "32" bit Ubuntu to try it out and hence installed many apps and developed many things and configured it for many things. Now it seems that my laptop needs more resources as my development needs so much. My question is :to free up install Lubuntu "64" bit in other partition which uses the same home directory and apps and my development rendering my laptop to be faster than before. Is this possible ? Thanks in Advance.

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  • dist-upgrade of diskless ubuntu

    - by ChosSimbaOne
    I am currently PXE booting a bunch a machine, via the diskless function in ubuntu. What is the best practice when upgrading the image from 10.04 LTS to 12.04 LTS? I've currently made a copy of the image with cp -arpv to ensure that i can switch back to the old image, if something is wrong in the new image. However do-release-upgrade is not available in the diskeless image. Any good ideas on what to do? Best regards.

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  • How do I get long command lines to wrap to the next line?

    - by BrianH
    Edit It was my .bashrc file. I've copied the same profile from machine to machine, and I used special characters in my $PS1 that are somehow throwing it off. I'm now sticking with the standard bash variables for my $PS1. Thanks to @ændrük for the tip on the .bashrc! ...End Edit... Something I have noticed in Ubuntu for a long time that has been frustrating to me is when I am typing a command at the command line that gets longer (wider) than the terminal width, instead of wrapping to a new line, it goes back to column 1 on the same line and starts over-writing the beginning of my command line. (It doesn't actually overwrite the actual command, but visually, it is overwriting the text that was displayed). It's hard to explain without seeing it, but let's say my terminal was 20 characters wide (Mine is more like 120 characters - but for the sake of an example), and I want to echo the English alphabet. What I type is this: echo abcdefghijklmnopqrstuvwxyz But what my terminal looks like before I hit the key is: pqrstuvwxyzghijklmno When I hit enter, it echos abcdefghijklmnopqrstuvwxyz so I know the command was received properly. It just wrapped my typing after the "o" and started over on the same line. What I would expect to happen, if I typed this command in on a terminal that was only 20 characters wide would be this: echo abcdefghijklmno pqrstuvwxyz Background: I am using bash as my shell, and I have this line in my ~/.bashrc: set -o vi to be able to navigate the command line with VI commands. I am currently using Ubuntu 10.10 server, and connecting to the server with Putty. In any other environment I have worked in, if I type a long command line, it will add a new line underneath the line I am working on when my command gets longer than the terminal width and when I keep typing I can see my command on 2 different lines. But for as long as I can remember using Ubuntu, my long commands only occupy 1 line. This also happens when I am going back to previous commands in the history (I hit Esc, then 'K' to go back to previous commands) - when I get to a previous command that was longer than the terminal width, the command line gets mangled and I cannot tell where I am at in the command. The only work-around I have found to see the entire long command is to hit "Esc-V", which opens up the current command in a VI editor. I don't think I have anything odd in my .bashrc file. I commented out the "set -o vi" line, and I still had the problem. I downloaded a fresh copy of Putty and didn't make any changes to the configuration - I just typed in my host name to connect, and I still have the problem, so I don't think it's anything with Putty (unless I need to make some config changes) Has anyone else had this problem, and can anyone think of how to fix it? Thanks in advance! Brian

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  • What is a good GUI text editor with code folding on Linux

    - by quanticle
    When I'm on Linux, I usually program using either gvim or emacs (depending on the language I'm working in, and the configuration of the machine). However, one thing I miss from the Windows world is code folding. Editors like Notepad++ and IDEs like Visual Studio allow shrink, or fold, blocks of code into single line headings. Are there any Linux editors with this facility? I know Eclipse can do code folding, but I don't want to launch Eclipse just to edit a HTML file.

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  • SQL Server-Determine which query is taking a long time to complete

    - by Neil Smith
    Cool little trick to determine which sql query which is taking a long time to execute, first while offending query is running from another machine do EXEC sp_who2 Locate the SPID responsible via Login, DBName and ProgramName columns, then do DBCC INPUTBUFFER (<SPID>) The offending query will be in the EventInfo column.  This is a great little time saver for me, before I found out about this I used to split my concatenated query script in to multiple sql files until I located the problem query

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  • Build Dependencies and Silverlight 4

    - by Kyle Burns
    At my current position, I’ve been doing quite a bit of Silverlight development and have also been working with TFS2010 build services to enable continuous integration.  One of the critical pieces of a successful continuous build setup (and also one of the benefits of having one) is that the build system should be able to “get latest” against the source repository and immediately build with no errors.  This can break down both in an automated build scenario and a “new guy” scenario when the solution has external dependencies that may not be present in the build environment. The method that I use to address the dependency issue is to store all of the binaries upon which my solution depends in a folder under the solution root called “Reference Items”.  I keep this folder as part of the solution and check all of the binaries into source control so when I get the latest version of the solution from source control all of the binaries are downloaded to my machine as well and gets me closer to the ideal where a new developer installs the development IDE, get latest and can immediately build and run unit tests before jumping into coding the feature of the day. This all sounds pretty good (and it is), but a little while back I ran into one of those little hiccups that requires a little manual intervention.  The issue that I ran into is that with Silverlight (at least version 4), the behavior of the “Add Reference” command when adding reference to a DLL that is present in the GAC is to omit the HintPath element that it includes with regular .Net projects, so even if the DLL is setting in the Reference Items folder and downloaded to the build machine it cannot be found at compile time and the build will fail. To work around this behavior, you need to be comfortable editing the XML project files generated by Visual Studio (in my case this is typically a .csproj file).  Simply open the project file in your favorite text editor, find the Reference element that refers to the component, and modify the XML to include the HintPath.  Here’s a before and after example of the component that ultimately led me to the investigation behind this post: Before: <Reference Include="Telerik.Windows.Controls, Version=2011.2.920.1040, Culture=neutral, PublicKeyToken=5803cfa389c90ce7, processorArchitecture=MSIL" /> After: <Reference Include="Telerik.Windows.Controls, Version=2011.2.920.1040, Culture=neutral, PublicKeyToken=5803cfa389c90ce7, processorArchitecture=MSIL">       <HintPath>..\Reference Items\Telerik.Windows.Controls.dll</HintPath>     </Reference>

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  • Files and content search outside from opened Visual Studio solution

    - by Suresh Behera
    I have been using Visual studio for decade now and never notice a useful search option on “Find and Replace”  wizard.One of my client still use Windows XP for their development machine.We have set of projects separated to specific group or solutions. So,i always have challenge to find some contents or files other than current opened solutions.On windows 7 it is easier go folder and look for content but not so easy on windows XP.Following “Find and Replace” and content search found very helpful...(read more)

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