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• System doesn't boot due to a "[drm: drm_crtc_helper_set_config] * error * "

  - by Albin

  I have a problem with the new Ubuntu 12.10. It finished installing correctly, but when I restart my computer an error message appears: [15.854296] [drm: drm_crtc_helper_set_config] * error * failed to set mode on [CRTC: 10] * checking battery state [17.814209] [drm: drm_crtc_helper_set_config] * error * failed to set mode on [CRTC: 10] and that screen does not advance. I also tried booting from the recovery mode and it starts, but it's too slow loading windows and also shows me a window with an error message: Sorry Ubuntu 12.10 has experienced an internal error More Details: Executable path /usr/bin/xorg I have used Ubuntu since the 2008 version and never had this problem. I hope you can help me. Computer Specs: compaq sr2015la AMD sempron 2Gb. RAM 80Gb Hard Drive Translated from the original Spanish

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• System.Data.Sqlclient.Sqlexception: Line1 incorrect syntax ...

  - by marocanu2001

  Given a SqlConnection, a SqlCommand if you need to execute a stored procedure it is enough to specify the stored procedure name as the CommandText and it will work. Now the surprise is that if you also add parametres, you get this creepy error: SqlException: Line 1 incorrect syntax near [storedProcedureName]. The quick fix is to specify the CommandType to be StoredProcedure.

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• Implementation of recurring fee system

  - by TPSstar

  I'm developing an application which will list members who have not paid their any previous month's fee and a separate list for those who have paid the fee. So, lets say a member who will be paying fee through out the year, each month and if he didn't pay fee for march 2013 then app should highlight him as un-paid member. What would be best practice to achieve it. Adding fee invoices for whole year already in database when member is added then loop through his payments to check if fee is paid or not, or add a validation date for member on his each payment, for example payment made in Feb 2013 then member is valid till 28.02.2013. Check if date today is 28.02.2013 then he has not paid..

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• Particle system lifetimes in OpenGL ES 2

  - by user16547

  I don't know how to work with my particle's lifetimes. My design is simple: each particle has a position, a speed and a lifetime. At each frame, each particle should update its position like this: position.y = position.y + INCREMENT * speed.y However, I'm having difficulties in choosing my INCREMENT. If I set it to some sort of FRAME_COUNT, it looks fine until FRAME_COUNT has to be set back to 0. The effect will be that all particles start over at the same time, which I don't want to happen. I want my particles sort of live "independent" of each other. That's the reason I need a lifetime, but I don't know how to make use of it. I added a lifetime for each particle in the particle buffer, but I also need an individual increment that's updated on each frame, so that when PARTICLE_INCREMENT = PARTICLE_LIFETIME, each increment goes back to 0. How can I achieve something like that?

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• How Content Management System is Useful

  Internet has open doors for small, medium as well as big business ventures to promote them online. The work of website development does not stop at mere web designing, but it has to be used best to i... [Author: Alan Smith - Computers and Internet - May 14, 2010]

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• Server RAID 5 failed...all I have left is my compiled website

  - by David Murdoch

  Yesterday, 2 of the 3 drives in my dev server's RAID 5 decided to die on me (with no warning). I've come to grips with the fact that my data is most likely lost unless I shell out some major bucks for professional data-resortoration. People, don't be an idiot like me and treat your RAID as a data backup! Luckily I published the site about 4 hours before my files went bye-bye. Is there any way to run some [magical] program to restore my compiled site to their original files? Also: I develop on one machine with the files stored on the server...is there some visual studio 2010 web cache on my local machine (the one that didn't crash) that I may be able to use?

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• Android - save/restore state of custom class

  - by user1209216

  I have some class for ssh support - it uses jsch internally. I use this class on main activity, this way: public class MainActivity extends Activity { SshSupport ssh = new SshSupport(); ..... @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //Handle events for ssh ssh.eventHandler = new ISshEvents() { @Override public void SshCommandExecuted(SshCommandsEnum commandType, String result) { } //other overrides here } //Ssh operations on gui item click @Override public void onItemClick(AdapterView<?> arg0, View v, int position, long arg3) { if (ssh.IsConnected() == false) { try { ssh.ConnectAsync(/*parameters*/); } catch (Exception e) { e.printStackTrace(); } } try { ssh.ExecuteCommandAsync(SshCommandsEnum.values()[position]); } catch (Exception e) { e.printStackTrace(); } } }); } It works very well. My application connects to ssh, performs all needed operation in background thread and results are reported to gui, via events as shown above. But nothing works after user change device orientation. It's clear for me - activity is re-created and all state is lost. Unfortunately, my SshSupport class object is lost as well. It's pretty easy to store gui state for dynamically changed/added objects (using put/get serializable etc methods). But I have no idea how to prevent my ssh object, ssh connected session being lost. Since my class is not serializable, I can't save it to bundle. Also, even if I make my SshSupport class serializable, jsch objects it uses still are not serializable. So what is the best way to solve this?

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• Is a 1:* write:read thread system safe?

  - by Di-0xide

  Theoretically, thread-safe code should fix race conditions. Race conditions, as I understand it, occur because two threads attempt to write to the same location at the same time. However, what about a threading model in which a single thread is designed to write to a location, and several slave/worker threads simply read from the location? Assuming the value/timing at which they read the data isn't relevant/doesn't hinder the worker thread's outcome, wouldn't this be considered 'thread safe', or am I missing something in my logic?

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• Pointers to implementing a taxonomy system?

  - by petsagouris

  I am taking part in the development of a PHP CMS (yeah I know you are like, meeh). It is currently using simple tags for tagging content. What I want to do is push the whole thing to using Taxonomy but I am not sure on what to pay attention to, or how to go about structuring the whole vocabularies/terms. I'd love to be able to keep the user interaction close to that of the current simple tags and at the same time allow for more advanced usage by power users. The Drupal and the Wordpress taxonomy systems are being reviewed at the moment and they provide valuable resources. Nevertheless, it could be that someone has some simpler and more appropriate thoughts on this matter.

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• Secrets of Creating a Digital Marketing System For a Financial Management Firm

  A Financial Management firm can create a strong web presence by designing and developing a business website on the internet. However, this step alone is not a digital marketing plan. Just putting up a Financial Management firm website on the internet is similar to establishing a physical business like a shop or an office, and then just sitting back and waiting for the customers to flow in. More than likely, it will not happen and your website will resemble a billboard in the desert.

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• Why is Wine not installable on my system?

  - by RawX

  So I upgraded on a fresh install to Ubuntu 12.10, not beta, and I've tried installing wine many many times now many different ways but the jist of it is this: This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time. The following packages have unmet dependencies: wine: Any ideas? It won't let me install the dependencies either it says it needs another set of dependencies to install them -_- im on asus kj50 64bit os dual boot with windows 7 sudo apt-get install wine1.5 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: wine1.5 : Depends: wine1.5-i386 (= 1.5.15-0ubuntu1) but it is not installable Recommends: gnome-exe-thumbnailer but it is not going to be installed or kde-runtime but it is not going to be installed Recommends: ttf-droid Recommends: ttf-mscorefonts-installer but it is not going to be installed Recommends: ttf-umefont but it is not going to be installed Recommends: ttf-unfonts-core but it is not going to be installed Recommends: winbind but it is not going to be installed Recommends: winetricks but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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• How to make my proxy settings change depending on the network I connect to?

  - by Little Jawa

  My company's corporate network requires me to set a network proxy to access the net, but when I am anywhere else, I don't need it. The proxy settings in Ubuntu (System - Preferences - Proxy server) allowed me to create "locations" that I can manually select. Then I have a "default" location (with no proxy) and a "work" location (with my company's proxy in it). Is there a way to make Ubuntu automatically select the "work" location based on the connection I'm using? I thought I could use the IP subnet (very specific) to detect where I am, but I have no idea how to set it up... Edit: I really need to have the proxy settings set at the system level. All my network connections (IMAP, SMTP, chat, etc) need to go through the proxy. Not only the web browser.

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• RPG Equipped Item System

  - by Jimmt

  I'm making a 2d rpg with libgdx and java. I have an Inventory class with an Array of Items, and now I want to be able to equip items onto the player. Would it be more managable to do have every item have an "equipped" boolean flag have an "equipped" array in the player class have individual equipped fields in player class, e.g. private Item equippedWeapon; private Item equippedArmor; public void equipWeapon(Item weapon){ equippedWeapon = weapon; } Or just another way completely? Thanks.

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• Why not System.Void?

  - by Stewart

  I have no practical reason for knowing this answer, but I'm curious anyway... In C#, trying to use System.Void will produce a compilation error: error CS0673: System.Void cannot be used from C# -- use typeof(void) to get the void type object As I understood it, void is simply an alias of System.Void. So, I don't understand why 'System.Void' can't be used directly as you might with 'string' for 'System.String' for example. I would love to read an explanation for this! Incidentally, System.Void can be successfully used with the Mono compiler, instead of Microsoft's .Net, and there it appears equivalent to using the void keyword. This must therefore be a compiler-enforced restriction rather than a CLR restriction, right?

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• Linux: Configure Xorg X11 Window System

  <b>nixCraft:</b> "My xorg.conf file is missing as I deleted accidentally for some reason. Now, Xorg try to probe my hardware on every startup. How do I configure Xorg under Debian or any Linux distro / operating systems?"

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• Adding icon to the system tray (notification area)

  - by Moma Antero

  Hello, I have a small audio recording application programmed with GTK/GDK. (see picture). And I would like to add a tray-icon for it so users can control the application window and recording from it. Adding a tray icon: I have planned to use the GtkStatusIcon class for this task. Ref: http://library.gnome.org/devel/gtk/2.11/GtkStatusIcon.html Is GtkStatusIcon the recommended solution that also works in Ubuntu's Unity and in the GNOME 3.0 desktop? I already googled a bit and found a good example on GtkStatusIcon. Could I also use Libindicator for this task? Ref: https://launchpad.net/libindicator

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• Is System.Windows.Media.RenderCapability the wrong source to detect the current render-mode

  - by happyclicker

  I use System.Windows.Media.RenderCapability.Tier to show the current render mode within a diagnostics panel of my app. If I force the app to change the render-mode through the following code HwndSource hwndSource = PresentationSource.FromVisual(visual) as System.Windows.Interop.HwndSource; HwndTarget hwndTarget = hwndSource.CompositionTarget; hwndTarget.RenderMode = renderMode; neither System.Windows.Media.RenderCapability.TierChanged fires, nor has the System.Windows.Media.RenderCapability.Tier property changed. However the changes are applied to the app. If I look with Perforator, the render mode has been changed to the desired mode. Although I’ve found at many locations that System.Windows.Media.RenderCapability.Tier can be used to detect the current render state (also msdn, see this), it seems, System.Windows.Media.RenderCapability only gives information about the capabilities and not about the current mode. That makes also sense if I look at the name of the class. Is there another source to know how an actual wpf-content is rendered or am I doing something wrong?

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• Btrfs System Rollbacks In Fedora 13

  <b>Phoronix:</b> "One of the benefits of Btrfs besides offering competitive performance against other Linux file-systems and SSD optimizations is its support for sub-volumes and writable snapshots."

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• Linux System Information Decoded

  <b>Linux Magazine:</b> "Linux systems include two native commands that tell you almost everything you need to know: dmidecode and biosdecode."

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• Implementing cache system in Java Web Application

  - by TGM

  I worked with JPA (Eclipselink implementation) and Hibernate. As I understand these two have great caching systems. I am interested in caching in a Web application and in order to better understand the process I'm trying to implement something on my own. Sadly, I cannot find any in depth documentation about this subject. I'm interested in things like high scalability, sharing memory on different machines and other important theoretical matters. Is there any tutorial or open project I could check out? Thank you! *LE: * I want to cache DB information in POJOs just like JPA or Eclipselink

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• the new distro ubuntu 12.10 has 2 system Bugs, reinstall the iso also exist [closed]

  - by sunpoison

  Possible Duplicate: How do I report a bug? discovered 2 bugs:: 1)cannot restart the computer when you click the top right icon power key "restart", it will stay on the splash image "ubuntu...",i wait for about 7 minutes and more, it also cannot restart, so, i have to uninstall the battery of the laptop...... 2)when i first update to the 12.10,not run for few hours, the "input method icon" on the top state bar is suddenly hide, when i use the shortcuts to switch the input method with "ctrl +space" it doesn' work at all, i restart the laptop, it can change the input method, but the state icon "a small keyboard icon is escape, i goto the "i bus" settings, but when i how to adjust it, the icon still can't display on the top bar (now i reinstall it use the iso file, this bug is fixed, but it cannot restart like the former one) it must has some problems of the "i bus" input method

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• Cannot upgrade system because of this error

  - by user292375

  Setting up mongodb-org-server (2.6.1) ... * Starting database mongod [fail] invoke-rc.d: initscript mongod, action "start" failed. dpkg: error processing mongodb-org-server (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already dpkg: dependency problems prevent configuration of mongodb-org: mongodb-org depends on mongodb-org-server; however: Package mongodb-org-server is not configured yet. dpkg: error processing mongodb-org (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: mongodb-org-server mongodb-org E: Sub-process /usr/bin/dpkg returned an error code (1)

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• How to change Session for only one route in asp.net mvc?

  - by denis_n

  How to handle Application_BeginRequest using a custom filter in asp.net mvc? I want to restore session only for one route (~/my-url). It would be cool, if I could create a custom filter and handle that. protected void Application_BeginRequest(object sender, EventArgs e) { var context = HttpContext.Current; if (string.Equals("~/my-url", context.Request.AppRelativeCurrentExecutionFilePath, StringComparison.OrdinalIgnoreCase)) { string sessionId = context.Request.Form["sessionId"]; if (sessionId != null) { HttpCookie cookie = context.Request.Cookies.Get("ASP.NET_SessionId"); if (cookie == null) { cookie = new HttpCookie("ASP.NET_SessionId"); } cookie.Value = sessionId; context.Request.Cookies.Set(cookie); } }

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• Automatic Backup and Restore MySQL db from Web Server to Local Machine

  - by Rhepungus

  I have a web app that is supposed to be run on a single local machine (kiosk display), but I want the option to let a user make changes on the web (from any PC) and update the instance on their local PC (kiosk display). From what i imagine, the MySQL instance on the web will just be replace the MySQL instance on the local (kiosk display) machine. Does anyone know of a way to do this? I am open to a product or coding it myself... I will appreciate any info or brainstorm. Thanks.

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• Systray not showing

  - by tnrgus

  I have an application called foo that runs as root. The foo calls system function to execute the other application which show tray icon using Qt. The Systray Icon Example in Qt is working properly in user account but not in root. I run the following command to drop privileges: system(“exec su -l user -c ‘export DISPLAY=:0; /opt/systray &’”); However, the systray icon doesn’t appear in Ubuntu 13.10 & 14.04. Is there any way to display this systray in this case except for the solution that uses a PPA that comes with to re-enable the systray whitelist?

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