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• Desktop background won't change until restart

  - by Ben

  I'm new to Ubuntu and indeed Linux systems. I have 11.04 installed on my laptop. Here's the problem. When i select a picture for the desktop background, it says that Desktop Background has been changed but the changes do not apply right away. It is only after I have restarted the system that the changes will appear. This did not happen before. When i first started using this OS a few months ago the changes applied immediately. So what have i done that made this start acting wonky. Thank you for any help.

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• A Closed Mind Killed the Retail Star

  Im on the plane flying back to New Zealand and Im astonished how quickly things have changed since I was last in the US. This trip I visited LA, Las Vegas and San Francisco and I was overwhelmed by the change that I witnessed in 12 short months. This morning following my memory map I headed towards the large  CompuServe electronics store in downtown San Francisco where my wife and I brought a digital camera in 2006. Homing in on the spot I was disappointed to see it had turned into yet another...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Strategies to Defeat Memory Editors for Cheating - Desktop Games

  - by ashes999

  I'm assuming we're talking about desktop games -- something the player downloads and runs on their local computer. Many are the memory editors that allow you to detect and freeze values, like your player's health. How do you prevent cheating via memory-modifiation? What strategies are effective to combat this kind of cheating? For reference, I know that players can: - Search for something by value or range - Search for something that changed value - Set memory values - Freeze memory values I'm looking for some good ones. Two I use that are mediocre are: Displaying values as a percentage instead of the number (eg. 46/50 = 92% health) A low-level class that holds values in an array and moves them with each change. (For example, instead of an int, I have a class that's an array of ints, and whenever the value changes, I use a different, randomly-chosen array item to hold the value)

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• Live boot from hard disk problem

  - by user172277

  I've installed Ubuntu Desktop 13.04 32bit. Next I configured /etc/grub.d/40_custom to boot live system from ubuntu.iso (also Desktop 13.04 32 bit) I used configuration: menuentry "Ubuntu 13.04 Desktop" { loopback loop /boot/ubuntu.iso linux (loop)/casper/vmlinuz.efi boot=casper iso-scan/filename=/boot/ubuntu.iso noeject noprompt splash -- initrd (loop)/casper/initrd.lz } and it works OK. Later I made some changes on my installed ubuntu. I made some configuration, installed additional packages and so on. After that I made backup using remastersys tool. Remastersys gave me new ISO file. So I wanted to use it. And here was first problem. Remastersys creates only initrd.gz file. So I changed the grub configuration form: initrd (loop)/casper/initrd.lz to: initrd (loop)/casper/initrd.gz But after that, when I reboot my system I get error: /init: line 3: can't open /dev/sr0: No medium found Any ideas how to fix it? Best Regards, Bartosz

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• library put in /usr/local/lib is not loaded

  - by IARI

  Let me state in advance: One might think this question would is for server fault, but I think is is Ubuntu (config) specific. In short: I have put libwkhtmltox.so in /usr/local/lib as stated in installation instructions linked below, but it appears the library is not loaded. I am trying to install php-wkhtmltox, a php extension for wkhtmltox on my local desktop (Ubuntu 12.04). I have extracted the source and changed to the corresponding directory. After running phpize, ./configure fails at checking for libwkhtmltox support... yes, shared not found configure: error: Please install libwkhtmltox I suspect the reason the library is not loaded is that the path is not checked!? how do I proceed? Here are instructions I followed: http://davidbomba.com/index.php/2011/08/04/php-wkhtmltox/ http://roundhere.net/journal/install-wkhtmltopdf-php-bindings/

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• Accidentally Uninstalled Ubuntu Desktop and Anacron. Reinstalled. What Can I Expect?

  - by Volomike

  Unfortunately when I installed the cron package to take a look at it, I didn't realize that I was also uninstalling Ubuntu Desktop and Anacron. Crap!!! So, I then did apt-get install anacron ubuntu-desktop, which also removed fcron. However, I need to know what instability issues I may now encounter because I have done this change and changed it back. I mean, now that anacron is back and ubuntu-desktop is back, am I out of the woods? Or, will I lose any important jobs that need to run periodically from anacron?

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• Difference in fans on Windows 7 and Ubuntu 12.04

  - by Timo

  I have bought a Hp Pavilion DV7 with Core i7 CPU and installed Ubuntu 12.04 on dual boot with Windows 7 alongside. Apart from the difference in battery life (although that's fixed with Jupiter), I have another problem with the fans. On Windows my fans work perfectly and the laptop is cool, but it seems to overheat in Ubuntu. It becomes quite hot and it looks like my fans are not working under Ubuntu. I think I'm having the same problem as How can I keep the cpu temp low?, but since I cannot comment because of the lack of reputation (?), I post the question as a new thread. I think the result of the overheating is that my keyboard doesn't seem to follow when I start typing a long text. It just freezes and types the last letter multiple times. For example: when I type the word freezes, it shows freeeee so the zes changed into eee...

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• WPF Databinding- Part 2 of 3

  - by Shervin Shakibi

  This is a follow up to my previous post WPF Databinding- Not your fathers databinding Part 1-3 you can download the source code here  http://ssccinc.com/wpfdatabinding.zip Example 04   In this example we demonstrate  the use of default properties and also binding to an instant of an object which is part of a collection bound to its container. this is actually not as complicated as it sounds. First of all, lets take a look at our Employee class notice we have overridden the ToString method, which will return employees First name , last name and employee number in parentheses, public override string ToString()        {            return String.Format("{0} {1} ({2})", FirstName, LastName, EmployeeNumber);        }   in our XAML we have set the itemsource of the list box to just  “Binding” and the Grid that contains it, has its DataContext set to a collection of our Employee objects. DataContext="{StaticResource myEmployeeList}"> ….. <ListBox Name="employeeListBox"  ItemsSource="{Binding }" Grid.Row="0" /> the ToString in the method for each instance will get executed and the following is a result of it. if we did not have a ToString the list box would look  like this: now lets take a look at the grid that will display the details when someone clicks on an Item, the Grid has the following DataContext DataContext="{Binding ElementName=employeeListBox,            Path=SelectedItem}"> Which means its bound to a specific instance of the Employee object. and within the gird we have textboxes that are bound to different Properties of our class. <TextBox Grid.Row="0" Grid.Column="1" Text="{Binding Path=FirstName}" /> <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Path=LastName}" /> <TextBox Grid.Row="2" Grid.Column="1" Text="{Binding Path=Title}" /> <TextBox Grid.Row="3" Grid.Column="1" Text="{Binding Path=Department}" />   Example 05   This project demonstrates use of the ObservableCollection and INotifyPropertyChanged interface. Lets take a look at Employee.cs first, notice it implements the INotifyPropertyChanged interface now scroll down and notice for each setter there is a call to the OnPropertyChanged method, which basically will will fire up the event notifying to the value of that specific property has been changed. Next EmployeeList.cs notice it is an ObservableCollection . Go ahead and set the start up project to example 05 and then run. Click on Add a new employee and the new employee should appear in the list box.   Example 06   This is a great example of IValueConverter its actuall a two for one deal, like most of my presentation demos I found this by “Binging” ( formerly known as g---ing) unfortunately now I can’t find the original author to give him  the credit he/she deserves. Before we look at the code lets run the app and look at the finished product, put in 0 in Celsius  and you should see Fahrenheit textbox displaying to 32 degrees, I know this is calculating correctly from my elementary school science class , also note the color changed to blue, now put in 100 in Celsius which should give us 212 Fahrenheit but now the color is red indicating it is hot, and finally put in 75 Fahrenheit and you should see 23.88 for Celsius and the color now should be black. Basically IValueConverter allows us different types to be bound, I’m sure you have had problems in the past trying to bind to Date values . First look at FahrenheitToCelciusConverter.cs first notice it implements IValueConverter. IValueConverter has two methods Convert and ConvertBack. In each method we have the code for converting Fahrenheit to Celsius and vice Versa. In our XAML, after we set a reference in our Windows.Resources section. and for txtCelsius we set the path to TxtFahrenheit and the converter to an instance our FahrenheitToCelciusConverter converter. no need to repeat this for TxtFahrenheit since we have a convert and ConvertBack. Text="{Binding  UpdateSourceTrigger=PropertyChanged,            Path=Text,ElementName=txtFahrenheit,            Converter={StaticResource myTemperatureConverter}}" As mentioned earlier this is a twofer Demo, in the second demo, we basically are converting a double datatype to a brush. Lets take a look at TemperatureToColorConverter, notice we in our Covert Method, if the value is less than our cold temperature threshold we return a blue brush and if it is higher than our hot temperature threshold we return a redbrush. since we don’t have to convert a brush to double value in our example the convert back is not being implemented. Take time and go through these three examples and I hope you have a better understanding   of databinding, ObservableCollection  and IValueConverter . Next blog posting we will talk about ValidationRule, DataTemplates and DataTemplate triggers.

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• Casing of COM-Interop registered components

  - by Marko Apfel

  During a refactoring i realized that renaming of components, which will be registered for COM-Interop, must be done carefully. In my case i changed the casing of XyzToolbar to XyzToolBar. At the developing machine everything works fine. But after installing the modified stuff at the production machine, the toolbar was not visible. Using regasm with the new assemblies helped. So this was the hint: we use WIX to build the setup. And during setup-development the heat-tool extracted the needed registry-keys. And in these keys still was the old name XyzToolbar. Refreshing the names corrected the problem.

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• Terminal line glitches

  - by foxy

  I installed Ubuntu 11.10 mini + LXDE and wanted to make my command line different in terminal (than just plain white), so I added blue color to path line (everything until $ sign) and it works fine but I have two strange glitches now: When i write a line which is longer than terminal window, instead of starting at next line it starts at the same one, overwriting everything which was in there. Sometimes while navigating over previous commands (up/down arrow keys) some part of command gets stuck and is treated as part of prompt (the blue text), but it is white and is non-deletable and is not taken as part of command when i press enter. What could I mess up? The bad thing is that I don't remember what exactly did I change, but i'm sure I changed only one line in bashrc

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• How important is my job title?

  - by Relayer

  Hi all, I work on two internal, mission critical applications. Let's keep it simple and call them "Foo" and "Bar". Nobody outside of the company has ever heard of them - like I said, they're internal apps. Until now my jobtitle has just been "Software Developer". I've recently discovered that my jobtitle is being changed to "Foo and Bar Developer". I'm a little worried that, should I leave the company, I'll have trouble finding a new job because of my weird job title. My question is this: How important is my job title compared to everything else on my CV (or resume, if you're American)? Am I likely to be rejected by box-ticking HR people who don't realise that "Foo and Bar Developer" is the same as "Software Developer"? Thanks in advance.

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• Remapping Shift Selection in Gnome Terminal

  - by Gowie47

  Hey so I was hoping somebody could help me out in finding a way to get shift-selection working in gnome-terminal on Ubuntu 11.10. I found the question/bug report below but neither seem to have a solution. I use Emacs for development and being able to select my current line with shift-ctrl-a/e is something I find myself trying to do every couple of minutes. I use 10.04 at work and this is possible so I am not sure what has changed. If it matters I am using Gnome 3 Shell and I use bashish to style my terminal. Thanks in advance! https://bugs.launchpad.net/ubuntu/+source/vte/+bug/546021 http://askubuntu.com/questions/31991/using-the-shift-key-in-terminal

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• How to Export Email "Sent" Folder?

  - by user249493

  A client had her web site and email hosted at "company A". She was switching to "company B" but didn't want to lose her email. I set up a Gmail account, POPed into her webmail account, and pulled the entire inbox into Gmail (for later transfer to her new host). But I forgot about the "sent" folder. Although the hosting plan is still up and running, she changed her domain record to point to the new host. So I can't access the old webmail account via POP or IMAP because the email address needed for authentication now resolves to the new host. Is there any way I can get the contents of the sent folder without having to do a "forward" one message at a time (there are hundreds)?

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• IIS throws HTTP Error 503. The service is unavailable after installation of windows 8

  - by Floran

  I was using IIS7.5 on Windows 7. Everything worked great. I then installed Windows 8. The shortcut link to my IIS7.5 stopped working, because all this was apparently moved to a windows.old folder. I had to install IIS8 via the 'turn Windows features on/off'. After I did that, I saw my sites again and everything looked ok, until I browsed to a site and got the error: Service Unavailable HTTP Error 503. The service is unavailable. I restarted IIS, restarted my PC, restarted the single site, but the problem remains. I also tried looking at the event logs. My eventlogs used to be in C:\inetpub\logs\LogFiles\W3SVC4, but I don't see any log of today in there. Maybe that has changed with the new IIS as well? If so, where are the eventlogs now or where can I see where they should be saved?

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• Google Analytics conversion tracking - referrals from payment provider

  - by martynas

  I have a question regarding conversion tracking using Google Analytics. My client uses an external payment service provider - SecureTrading. Problem: All website visitors who would like to make a purchase are taken to a payment form on https://securetrading.net and are redirected back after a successful payment. Google Analytics counts that as a referral and messes up conversion tracking stats. Question: What needs to be changed / added in the payment forms or Google Analytics settings so that the conversions would be assigned to the right traffic sources. Screenshot:

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• Wild card redirect in htaccess giving error this webpage has a redirect loop

  - by kath

  In my website I changed the directory name "vehicles-cars" to "vehicles-cars-for-sale". When I tried to redirect using a wild card redirect from my old directory name to new directory name in my web hosting cPanel account, I get an error every time I open pages from that directory: this webpage has a redirect loop The website is php. The problem is that that I have lots of pages with the old directory indexed in Google and they are getting duplicate content. I really need some advice on what to do with this problem. Here is .htaccess file code for redirect, thanks. RewriteEngine on RewriteCond %{HTTP_HOST} ^adsbuz\.com$ [OR] RewriteCond %{HTTP_HOST} ^www\.adsbuz\.com$ RewriteRule ^vehicles\-cars\/?(.*)$ "http\:\/\/adsbuz\.com\/vehicles\-cars\-for\-sale\/$1" [R=301,L]

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• Innovation on CS

  - by guiman

  Hi all, its been some time that i've been thinking about creating something that could help the web community and leave some mark, but the problem that there are no ideas poping out of my head. So 2 questions comes to my mind: First, how did projects like Twitter, Google or any other big project that had changed our way of living in the internet get started? Secondly, do we have to force it or just keep doing what we do best and wait to that idea that could change things? While writting this question, one quote come to mind: Imagination is more important than knowledge Albert Einstein

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• Rebooting problem

  - by Vinoth

  After restarting my ubuntu PC, I am getting a dialog window showing "Your system is running in low graphics mode" and after clicking on 'OK', I was prompted with three options 1. Run in low graphics mode for just one session 2. Reconfigure graphics 3. Troubleshoot the error 4. Exit to console login When I troubleshoot the error, its showing the black screen with following lines which I remember: we do not own /var/log/pm-powersave.log ....................................... couldn't write bytes: Broken pipe ....................................... ....................................... Starting System V runlevel compatibility got strucked at this point. Actually before restarting, I have changed the owner for all the files under the directory "/var/log" and "/var/lib". Is there any relation with the above issue. Please help me out to resolve the issue. Its urgent.

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• How do I get a Canon LBP 2900 printer working?

  - by elektron

  i am unable to set up my canon lbp2900 printer on ubuntu12.04 64 bit i aliened the 64 bit rpm drivers and then installed the drivers (version 2.40) and followed the procedure in the canon guide ( however i changed fifo path to //localhost:59787 (somebody suggested) instead of 59687 (as suggested by canon guide) ) intially i got the message pstocapt failed .. the drivers had put the pstocapt and backend/ccp in the lib64 directory instead of the lib directory ... i copied that to the aproprite directory under lib but still i get the error "ccp send_data error exit " i also tried with fifo path //localhost:59687 i also tried the Radu script but the drivers the script uses are version 1.90 and has conflicting packages

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• Auto-mount CD/DVD drive to single, specific mount point every time?

  - by Christopher Parker

  Currently, whenever I insert a CD or DVD into my DVD drive, it mounts to a location such as /media/<LABEL>, where <LABEL> is the arbitrary label assigned to the optical disc. I remember, once upon a time, CD and DVD media being reliably located at /media/cdrom0 or something similar. Why was this changed? And how do I get this old behavior back for this drive? I can understand this behavior for USB sticks. It makes sense for those. But not for CD/DVD media, in my opinion. For example, because of this, I have no way to configure Wine to point to my DVD drive, as the mount point changes with every single CD I insert. TL;DR: How do I make CD/DVD media always mount to /media/cdrom0?

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• How do I change a local apps locale in LTSP?

  - by Danil Zvyagintsev

  I'm wondering how to change locale (UI gtk) inside local apps to ru_RU for example instead of en_US. Ror example i install chromium-browser inside client image chroot /opt/ltsp/i386 apt-get -y install chromium-browser ltsp-update-image --arch=i386 booted from thin client i see LDM in ru_RU lang login to x session (gnome) everything is in ru_RU but trying run ltsp-localapps chromium-browser and see chromium with en_US interface...BUT i need in RUSSIAN i've added file on both host (/etc/default/locale) and thin client image (/opt/ltsp/i386/etc/default/locale) with LANG=ru_RU.UTF-8 LANGUAGE=ru_RU.UTF-8 LC_ALL=ru_RU.UTF-8 but nothing changed lts.conf also has LDM_LANG=ru_RU.utf-8 in it... Is it possible to change lang of localapps?

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• How to fix “Unit Test Runner failed to load test assembly”

  - by ybbest

  I encountered this issue a couple times during my recent project, every time I forgot what actually cause the issue. Therefore, I decide to write a quick blog post to make sure I can identify the issue quickly. Problem: Run unit test using a test runner and received a Unit Test Runner failed to load test assembly exception. Analysis: Basically, I have changed some code and start the test runner to run tests. The same dll have already been deployed to GAC. So the test runner actually tries to use the old version of the assembly thus could not load the assembly. Solution: Deploy the current version of dll to the GAC and re-run your test, it works like a charm.

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• Links to facebook.com/company-page redirect to facebook.com

  - by Teo

  For the last 2 days I've been trying to find the reason why the link to my website's Facebook page doesn't work anymore. The link went to facebook.com/company-page, but now redirects to facebook.com. I assume that I mistakenly changed something in the Facebook developer area, but I can't remember what it was. I guess I saw some redirect in the tab, but I'm not sure since it's changing too fast to facebook.com. The original link in the footer is correct: <a href="http://facebook.com/company-page " target="_blank" class="facebook_ico"></a> Any ideas?

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• Why do my Google sitelinks show gibberish for a PDF link?

  - by Tom

  I have a website which Google lists nicely along with site links. One of the site links - to a PDF file - shows un-human gibberish e.g 67,8;45:: 56 83 @7<1. (7/0;,*;: /59( (7/0;,;<7, <7)(60:4 (9<7 /+ +2, VU I thought it might be due to the PDF's title property so I changed it. But there hasn't been an improvement to the site link. Other PDF site links are fine and display the title property as desired. Does anyone know how I might rectify this problem or what might be the cause? My uninformed guess is it's some transliteration problem between code and display text which, I suppose, means I ought to recondition the PDF file in some way. Not sure how.

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• Problem with MVC3 application

  - by Pravin Patil

  I am working on MVC3 application. I use entity framework, NInject, Fluent Validation and some more Nuget packages. I am using Tortoise SVN for versioning. Recently I changed the structure of my SVN repository, so my working copy of MVC3 app was moved to some different folder in the repository. Now when I checked out the copy from SVN, all the references that I had added through Nuget were lost(EF, NInject and rest nuget packages were showing yellow missing icon in references). This had happened to me prior to this also, when I tried to check out the app from svn to some other folder. I had to manually add all the references again through Nuget again. Am I doing anything wrong? Please guide. I hope I could explain my problem properly.

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