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  • Calculating Utilization in a Stop-And-Wait Protocol

    - by AlanTuring
    So theres this question in my book and it doesn't state exactly how to go about actually calculating utilization anywhere, and i'm not being able to find any substantial information regarding everything i need to solve this question.(My mid term is next week). Anyway, here's the question: The distance from earth to a distant planet is approximately 9 × 10^10 m. What is the channel utilization if a stop-and-wait protocol is used for frame transmission on a 64 Mbps point-to-point link? Assume that the frame size is 32 KB and the speed of light is 3 × 10^8 m/s. Suppose a sliding window protocol is used instead. For what send window size will the link utilization be 100%? You may ignore the protocol processing times at the sender and the receiver. thanks to anyone who has any idea.

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  • How to remap media keys on laptop,without external programs?

    - by polemon
    As on most laptops, my laptop has "special" keys, or media keys, as they are sometimes called. On Linux, I can easily read keycodes with things like xev, put other functions back to it. Either with xmodmap or by simply giving the keys functions in my window manager. How is that possible on Windows? Is there even a way to scan those keys and remap them? Possibly even give them different functions as on Linux? If so, where do I do that? I heard of several programs atempting on changing that, but I don't see why I should install another program. I see it as integral part of the OS. For instance, I have a key with an 'i' in a circle. It normally opens a new browser window. When Chrome is already open, it makes the current tab go to my selected homepage (which is about:blank). I'd like to change the functionality of it.

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  • linux firefox flash debug: i don't get alerts when errors occur

    - by ufk
    Hello. I use firefox 3.6.13 on linux gentoo amd64 and flash 10.2 debug version, i also have firebug flashbug and flashfirebug installed. my problem is that whenever I run a flash application that encounters an error, the browser does not open an alert window. it makes it more difficult to debug applications because i need to make sure that the firebug window is always opened. the only way i can see the error is if i open the flash tab in firebug. is there a way to change this behavior ? i checked .xsession-errors and tried running firefox from console: these are the only errors the i see in the log and these errors do not appear when the flash app encounters an error which means they are not related: Gtk-Message: Failed to load module "canberra-gtk-module": libcanberra-gtk-module.so: cannot open shared object file: No such file or directory Gtk-Message: Failed to load module "gnomebreakpad": libgnomebreakpad.so: cannot open shared object file: No such file or directory thanks

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  • Windows expand over 2 monitors in quad-monitor setup

    - by Martin
    i just installed ubuntu 11.10 with my previous hardware setup: 4 monitors and 2 identical nvidia graphic cards. draging windows around all 4 monitors works nice, but when i maximize a window it expand always over 2 screens. (2x twinview). i had an workaround for this in 11.04 but cant remember what it was... may one of you guys have quad monitors up and running with window maximizing on only one screen my xorg.conf looks like this: # nvidia-settings: X configuration file generated by nvidia-settings # nvidia-settings: version 280.13 (buildd@allspice) Thu Aug 11 20:54:45 UTC 2011 # nvidia-xconfig: X configuration file generated by nvidia-xconfig # nvidia-xconfig: version 280.13 ([email protected]) Wed Jul 27 17:15:58 PDT 2011 Section "ServerLayout" # Removed Option "Xinerama" "1" # Removed Option "Xinerama" "0" Identifier "Layout0" Screen 0 "Screen0" 0 0 Screen 1 "Screen1" 0 1080 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" Option "Xinerama" "1" EndSection Section "Files" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Samsung SMB2220N" HorizSync 31.0 - 80.0 VertRefresh 56.0 - 75.0 Option "DPMS" EndSection Section "Monitor" Identifier "Monitor1" VendorName "Unknown" ModelName "Samsung SMB2220N" HorizSync 31.0 - 80.0 VertRefresh 56.0 - 75.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GTX 550 Ti" BusID "PCI:2:0:0" EndSection Section "Device" Identifier "Device1" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GTX 550 Ti" BusID "PCI:3:0:0" EndSection Section "Screen" # Removed Option "TwinView" "True" # Removed Option "MetaModes" "nvidia-auto-select, nvidia-auto-select" # Removed Option "metamodes" "CRT-0: nvidia-auto-select 1920x1080 +0+0, CRT-1: nvidia-auto-select 1920x1080 +1920+0" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "TwinView" "1" Option "TwinViewXineramaInfoOrder" "CRT-0" Option "metamodes" "CRT-0: nvidia-auto-select +0+0, CRT-1: nvidia-auto-select +1920+0" SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" # Removed Option "TwinView" "True" # Removed Option "MetaModes" "nvidia-auto-select, nvidia-auto-select" # Removed Option "metamodes" "CRT-0: nvidia-auto-select 1920x1080 +0+0, CRT-1: nvidia-auto-select 1920x1080 +1920+0" Identifier "Screen1" Device "Device1" Monitor "Monitor1" DefaultDepth 24 Option "TwinView" "1" Option "TwinViewXineramaInfoOrder" "CRT-0" Option "metamodes" "CRT-0: nvidia-auto-select +0+0, CRT-1: nvidia-auto-select +1920+0" SubSection "Display" Depth 24 EndSubSection EndSection Section "Extensions" Option "Composite" "Disable" EndSection

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  • Cannot format SD memory card

    - by cool
    Hello everyone I have a SD memory card which is of local manufacturer it allows to read & copy from it but not write as it is now write-protected so i want to format that card but could not. To format this card I have tried 1) DD command 2) mkfs -f vfat command 3) creating registry entry under storage device policy in window with write value 0 4) disk part command in window to clear attributes in which it show all attributes are clear ie no write protection 5) I format card in windows through control panel - administrative tools- computer management - disk management, then it show as formatted but when I tried to create new partition it give CYCLIC REDUNDANCY CHECK error 6) I downloaded a format utility from transcend site and formatted first it shows write protected again doing format it formats and tells to remove and reinsert after reinsertion it shows the previous data as it is

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  • Should I include HTML markup in my JSON response?

    - by Mike M. Lin
    In an e-commerce site, when adding an item to a cart, I'd like to show a popup window with the options you can choose. Imagine you're ordering an iPod Shuffle and now you have to choose the color and text to engrave. I'd like the window to be modal, so I'm using a lightbox populated by an Ajax call. Now I have two options: Option 1: Send only the data, and generate the HTML markup using JavaScript What's nice about this is that it trims down the Ajax request to the bear minimum and doesn't mix the data with the markup. What's not so great about this is that now I need to use JavaScript to do my rendering, instead of having a template engine on the server-side do it. I might be able to clean up the approach a bit by using a client-side templating solution. Option 2: Send the HTML markup What's good about this is that I can have the same server-side templating engine I'm using for the rest of my rendering tasks (Django), do the rendering of the lightbox. JavaScript is only used to insert the HTML fragment into the page. So it clearly leaves the rendering to the rendering engine. Makes sense to me. But I don't feel comfortable mixing data and markup in an Ajax call for some reason. I'm not sure what makes me feel uneasy about it. I mean, it's the same way every web page is served up -- data plus markup -- right?

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  • Win7 to Win7 Remote Desktop Not working, Xp to 7 working fine

    - by vlad b.
    Hello, I have a small home network and recently i tried to enable remote desktop for one of the pc's. I have a mix of Windows 7, Windows Vista and Xp runing alongside ubuntu, centos and others (some virtual, some real). I have a few Windows 7 pc`s that can be connected to using remote desktop from inside and outside the network (port redirects on routers, etc, etc) and some Xp ones. The trouble is when i tried to do the same thing to a Win7 laptop i discovered i can't connect to it from another win7 pc inside the home network. To sum it up Working: xp -- win7 not working: win7 -- win7 What i tried - disable and enable remote desktop (my computer - remote settings) - removing and adding users to the remote settings window - adding a new user to the machine, administrator or 'normal' user - checking the firewall settings on the machine and set 'allow' to remote desktop for both 'home/work' and 'public'networks Any tips on what should i do next? It displays ' .. secure connection' and after that the window with 'Your security credentials did not work' and it lets me try again with another user/password..

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  • Search multiple search engines with a single keyword at the same time in Chrome?

    - by cptloop
    I want to search multiple websites at once by using a keyword trigger in Google Chrome. I am trying to achieve this with Javascript as described in this topic over at mozillazine. This is the code that supposedly works in Firefox: javascript:void(window.open('http://www.google.com/search?q=%s'));void(window.open('http://www.altavista.com/web/results?q=%s')) I have tried to insert this code into the "URL with %s in place of query" but nothing happens when I invoke it. Is it possible to get this to work this way or another in Chrome?

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  • Getting GTalk and Alt-Tab to play nice

    - by Steve Armstrong
    I'm running GTalk on Windows 7, and it refuses to work properly with Alt-Tab. Let's say I've got 2 message windows open (msg1 and msg2) and the contact list, as well as Firefox. Alt-tab from Firefox to msg1 works, but now the contact list is the most recent thing in the alt-tab list (not Firefox as expected). Then there's the problem that I can't use alt-tab to select a specific message window, and when switching back to msg2 (showing msg2 in the alt-tab window) it might switch back and have focus on msg1. I found this thread complaining about the same problem, but it's over a year old, and I'm hoping some progress has been made.

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  • UndoRedo on Nodes

    - by Geertjan
    When a change is made to the property in the Properties Window, below, the undo/redo functionality becomes enabled: When undo/redo are invoked, e.g., via the buttons in the toolbar, the display name of the node changes accordingly. The only problem I have is that the buttons only become enabled when the Person Window is selected, not when the Properties Window is selected, which would be desirable. Here's the Person object: public class Person implements PropertyChangeListener {     private String name;     public static final String PROP_NAME = "name";     public Person(String name) {         this.name = name;     }     public String getName() {         return name;     }     public void setName(String name) {         String oldName = this.name;         this.name = name;         propertyChangeSupport.firePropertyChange(PROP_NAME, oldName, name);     }     private transient final PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);     public void addPropertyChangeListener(PropertyChangeListener listener) {         propertyChangeSupport.addPropertyChangeListener(listener);     }     public void removePropertyChangeListener(PropertyChangeListener listener) {         propertyChangeSupport.removePropertyChangeListener(listener);     }     @Override     public void propertyChange(PropertyChangeEvent evt) {         propertyChangeSupport.firePropertyChange(evt);     } } And here's the Node with UndoRedo enablement: public class PersonNode extends AbstractNode implements UndoRedo.Provider, PropertyChangeListener {     private UndoRedo.Manager manager = new UndoRedo.Manager();     private boolean undoRedoEvent;     public PersonNode(Person person) {         super(Children.LEAF, Lookups.singleton(person));         person.addPropertyChangeListener(this);         setDisplayName(person.getName());     }     @Override     protected Sheet createSheet() {         Sheet sheet = Sheet.createDefault();         Sheet.Set set = Sheet.createPropertiesSet();         set.put(new NameProperty(getLookup().lookup(Person.class)));         sheet.put(set);         return sheet;     }     @Override     public void propertyChange(PropertyChangeEvent evt) {         if (evt.getPropertyName().equals(Person.PROP_NAME)) {             firePropertyChange(evt.getPropertyName(), evt.getOldValue(), evt.getNewValue());         }     }     public void fireUndoableEvent(String property, Person source, Object oldValue, Object newValue) {         manager.addEdit(new MyAbstractUndoableEdit(source, oldValue, newValue));     }     @Override     public UndoRedo getUndoRedo() {         return manager;     }     @Override     public String getDisplayName() {         Person p = getLookup().lookup(Person.class);         if (p != null) {             return p.getName();         }         return super.getDisplayName();     }     private class NameProperty extends PropertySupport.ReadWrite<String> {         private Person p;         public NameProperty(Person p) {             super("name", String.class, "Name", "Name of Person");             this.p = p;         }         @Override         public String getValue() throws IllegalAccessException, InvocationTargetException {             return p.getName();         }         @Override         public void setValue(String newValue) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {             String oldValue = p.getName();             p.setName(newValue);             if (!undoRedoEvent) {                 fireUndoableEvent("name", p, oldValue, newValue);                 fireDisplayNameChange(oldValue, newValue);             }         }     }     class MyAbstractUndoableEdit extends AbstractUndoableEdit {         private final String oldValue;         private final String newValue;         private final Person source;         private MyAbstractUndoableEdit(Person source, Object oldValue, Object newValue) {             this.oldValue = oldValue.toString();             this.newValue = newValue.toString();             this.source = source;         }         @Override         public boolean canRedo() {             return true;         }         @Override         public boolean canUndo() {             return true;         }         @Override         public void undo() throws CannotUndoException {             undoRedoEvent = true;             source.setName(oldValue.toString());             fireDisplayNameChange(oldValue, newValue);             undoRedoEvent = false;         }         @Override         public void redo() throws CannotUndoException {             undoRedoEvent = true;             source.setName(newValue.toString());             fireDisplayNameChange(oldValue, newValue);             undoRedoEvent = false;         }     } } Does anyone out there know how to have the Undo/Redo functionality enabled when the Properties Window is selected?

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  • Problem installing Ubuntu 10.04 64 bit side by side with Vista by using a bootable USB drive. What n

    - by Adam Siddhi
    What happened I decided to install Ubuntu 10.04 64 bit side by side with Vista Home Premium (I guess on another partition) with a USB stick. I found instructions on how to do this here: https://help.ubuntu.com/community/Installation/FromUSBStick To create the bootable USB drive I had to download a program called Unetbootin. That process was simple enough. All I had to do was just choose the disk image option, select the ubuntu-10.04-desktop-amd64.iso image, make sure it recognizes my USB drive and then press OK. It takes only like a few minutes to create a working bootable USB drive. Then I have to restart my computer, enter the BIOS, select my USB drive as the first boot drive, save options and continue with booting up. After this Ubuntu actually loads up. I think this is known as the Live version of Ubuntu so you can try it out before fully installing it. Any ways, on the Ubuntu 10.04 desktop I saw an installer. I click it and begin the installation process. Just so you know, I tried installing it 2 times. I will explain what happened each time: The first time I tried installing Ubuntu 10.04 I got stuck at step 4 of 7. I remember selecting the last option in the window which was Specify Partitions Manually (Advanced) I made my partition for Ubuntu like 52 gigs. I clicked forward and a little pop up window appeared saying Please Wait. So the installation process stalled on this window so I closed out of it and quit the installation process. So at this point I was worried because I had already selected the partition size and assumed it started making it. Since it stalled I had to quit out though. Anyways, once again I reached step 4 of 7 a decided to select the first option which is Install them side by side choosing between them each startup. I figured this was the safe way to go. I did that and the pop up window saying Please Wait popped up again but lasted only like 10 seconds. Then I got to I guess step 6 where it asks you to enter your desired name and password. Did that and clicked forward. The Ubuntu 10.04 installation load screen appeared and the loading bar at the bottom started filling up. So I got to 83% and stalled during the Importing other profile information (I think it was called this. I had the option to do this during I think step 6) process. So at this point I decided to get stop the installation process. I was getting very nervous. I tried to restart the computer but all that happened was that Ubuntu restarted. I finally got the computer to restart. I was pretty sure I had screwed something up big time by this point. As my computer was restarting I entered BIOS again and switched back to it booting from my main hard drive containing Vista. Saved it and continued the boot process. My worst fears were confirmed as Vista would not boot up. I mean I saw the little Microsoft Windows choppy animated green loading bar at the bottom of the screen and then boom! It decided to restart. When it restarted I had the option to run a memory test check to see if there was anything that needed to be repaired. That took like 20 minutes and at the end I saw that I did indeed have to repair something. I had to go through 2 repair processes. After each I had to restart the computer. The 2nd time it went through the repair process it said that it could not fully repair the damage. I was scared and restarted but Vista did load up. I got to my desktop and saw a message saying something like Repairs have been made, Please restart for changes to take effect I noticed that some Notification icons were missing and I could not hear volume in a video. Things were a bit funky. So I did restart and here I am. Now what?! So since I got back into Vista and thankfully have a working Internet connection I am trying to find answers to my problem (that is why I am writing this post). I am scared that I have partioned my hard drive 2 times after researching Installing Ubuntu 10.04 and seeing this post http://techie-buzz.com/foss/ubuntu-10-04-lts-installation-guide.html The author shows screen shots of installing Ubuntu 10.04. He shows the image of step 4 of 7 with a caption at the bottom. I will recreate it below: Select a partitioning option. Unless you want to format all the hard drive and install Ubuntu afresh, select the last option and proceed. Questions If I have indeed partitioned my HD 2 times (which I am sure it is), how do I get to a point where I can see all my bad, unfinished Ubuntu partitions and get rid of them? How do I clean this big mess up? & How can I ensure that this mess will not happen next time I try installing Ubuntu 10.04? Thank you Adam

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  • Screen becomes black after pressing dash or alt-tab

    - by cegerxwin
    I did an upgrade from 11.04 to 11.10. Unity 3d becomes a black screen after pressing the dash-button or after pressing alt-tab to switch between open windows. I can see the panel on the top(lock,sound,..) and the panel on the left (launcher) but the rest is black. It looks like a maximised black window. The open Windows are active but I cant see them. I logout by pressing logout in the right top corner and pressing enter (because logout is default focused on the dialogue screen) and leave unity3d. Unity3d worked with 11.04 very good. If I press the dash button the dash looks like an 16-Bit or 8-Bit window and buttons for maximise, minimise and close are displayed and looks inverted. I have rebooted my notebook just now and log in to Unity 3D and tested some features of Unity and everything works well. The black thing is only a layer. I can use my desktop but cant see anything because of the layer, but everything works. It seems so, that a layer appear when pressing dash or alt-tab and does not disappear when close dash or choose a running app with alt-tab. you will see the necessary info related video problems: Unity support: /usr/lib/nux/unity_support_test -p OpenGL vendor string: X.Org R300 Project OpenGL renderer string: Gallium 0.4 on ATI RC410 OpenGL version string: 2.1 Mesa 7.11-devel Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: yes xorg glxinfo lspci -nn | grep VGA 01:05.0 VGA compatible controller [0300]: ATI Technologies Inc RC410 [Radeon Xpress 200M] [1002:5a62]

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  • Why does QuickTime lag in Firefox if I don't put my mouse over it?

    - by Jim McKeeth
    This has happened for me as long as I can remember. Since the first version of Firefox, on multiple computers and under different versions of Windows. QuickTime plays fine in IE and Chrome (even with Firefox in the background), but in Firefox if my mouse is not over the QuickTime window then it will start to studder, then lag and eventually just stop. To be honest, I do keep quite a few tabs open, but Firefox stays at 1% CPU (even when QuickTime runs) and I have a few gigs of free RAM. It is the same for any resolution of video or audio. If the mouse is just one pixel in the client area of the QuickTime then it usually plays fine. Other video formats typically play fine. Does anyone else notice this behavior? Ultimately I would like a fix besides keeping my mouse over the QuickTime window.

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  • Free desktop recording / screencasting on windows

    - by Mercer Traieste
    I'm a newbie in desktop recording and screencasting. I didn't find a suitable free application to do all the things I want it to do, but I did enjoy using jing. I would expect such an application to have these features: choose the whole desktop, a region, a window to record zoom in an area, and camera move save the recorded movie to a compressed format have basic editing tools have the mouse highlighting feature (either a sonar blip or something similar) highlight window/field on the screen, any trick will do display pressed keys/key combinations (like iphone does) So the question is: Which free desktop recording/screencasting software would you recommend on windows? It doesn't have to have all those features, just tell me your favorable experiences. Please suggest tools that would do mouse/keys/areas highlight tricks. I'm open to commercial software too, but I would prefer a free one. Thank you!

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  • SDL & Windows 8 Metro WinRT

    - by Adrian
    I am just beginning to dip my tow into game programming and have been reading up on SDL, SFML, OpenGL, XNA, MonoGame and of course DirectX. (Needless to say there are a lot of choices out there) As much as I like SFMLs syntax I have chosen to read up and start with SDL as it is pretty ubiquitous and available on every platform (Windows, Linux, Mac) and also available on portable devices (Android, iOS) with the current exception of WinPhone 7 After that pre-amble here is my question. I notice that the docs say that for the windows platform the SDL API calls through to DirectX for higher perf. ( http://www.libsdl.org/intro.en/whatplatforms.html ) Microsoft have said that for Metro Game Apps you can only use DirectX (which means no XNA, no OpenGL, no SFML, etc, etc) My question is: If SDL just wraps DirectX calls will I (we) be able to use SDL to bring games to the new Metro WinRT environment and Windows 8 marketplace? This would be great if possible. Additionally as WinPhone 8 is supposedly built on Win8 then this could mean SDL would be available on the win phone in the future too. Thanks for your time in responding to this question and I look forward to hearing your response. EDIT: Based on DeadMG's answer I have installed Visual Studio 11 (beta) in Windows 8 Consumer Preview (CP) and went file-New to check project types. The project types: "Blank Application", "Direct2D Application" and "Direct3D Application" look of interest. I have selected "Direct2D App" but SDL generates its own window when you call: SDL_INIT Is it possible to link/setup the SDL window to point to the Direct2D surface in the this project?

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  • Using XFCE4 with awesome

    - by whitequark
    When I got tired of using the standard XFCE window manager, xfwm, I simply installed openbox and selected "XFCE/Openbox" session in the GDM login screen. This was very convenient because I didn't want the plain Openbox session in which there are no network-manager, no panels, nothing. Now I have installed awesome: I really like the idea of tiling window managers. But after I launched it, everything went wrong. Absence of XFCE panels isn't anything bad, but subpixel-aliased fonts were somehow turned on, and that was really awful. I tried to login in XFCE, kill openbox/xfwm and start awesome, but that didn't worked: xfce4-session keeps restarting it's predefined WM, and killing it kills the whole X session too. And I didn't found the configuration for a dropdown list in GDM either. How can I start XFCE session with awesome as a WM?

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  • keyboard mappings are totally screwed after updating to kde4

    - by zeonglow
    I recently upgraded from KDE 3.5 to KDE 4, and I have been having weird issues with my keyboard. In one of the virtual consoles e.g. when I press ctrl + alt 1 , I can type perfectly, but in KDE, several of the number keys don't work, the left and right arrows don't work either. When I press the right arrow key in xev I get this: KeyRelease event, serial 34, synthetic NO, window 0x3600001, root 0x6f, subw 0x0, time 903459, (111,55), root:(115,836), state 0x10, keycode 114 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False When I press the '3' key it toggles my Bookmarks toolbar in Firefox, in xev I get this: KeyPress event, serial 34, synthetic NO, window 0x3600001, root 0x6f, subw 0x0, time 999968, (94,115), root:(98,896), state 0x10, keycode 12 (keysym 0x1008ff30, XF86Favorites), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False KeyRelease event, serial 34, synthetic NO, window 0x3600001, root 0x6f, subw 0x0, time 1000032, (94,115), root:(98,896), state 0x10, keycode 12 (keysym 0x1008ff30, XF86Favorites), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False As this is deeper down, changing the type of keyboard in the KDE meun's has no effect. I'm slowly beginning to wade through the mountains of documentation about the X keyboard model, but there has to be a better way. Does anyone no what it is? Edit: 1234567890 ! after deleting the entire .kde folder. but only until I change the Keyboard settings from the "system settings" applet, then its hosed full time. Regardless of what I set the settings too. (restore to default settings doesn't) 2nd Edit: I'm using Gentoo AMD64, I was upgrading from KDE 3.5 KDE 4.2. I think I had manual settings before, although I didn't change anything. I was originally running KDE without HAL until that stop working a year or so ago. The only customisation I made was to set the multimedia keys to control Amarok. 3rd Edit $ grep xkb /var/log/Xorg.0.log (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "evdev" (**) Option "xkb_layout" "us" (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "evdev" (**) Option "xkb_layout" "us" Xorg.0.log has this to say: (WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled. (WW) Disabling Mouse1 (WW) Disabling Keyboard1 My Xorg.conf has this in it. Identifier "Keyboard1" Driver "kbd" Option "AutoRepeat" "500 30" # Specify which keyboard LEDs can be user-controlled (eg, with xset(1)) Option "XkbRules" "xorg" Option "XkbModel" "pc105" Option "XkbLayout" "gb"

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  • How to start gnome-shell?

    - by Tim
    I successfully installed the gnome 3 gnome-shell from the launchpad ppa on my fully updated Natty test system. However, nothing I tried could get it to actually run. If I selected it in the startup options, I got a plain light blue screen with absolutely nothing on it. If I tried to start it using "gnome-shell --replace", I got: gnome-shell --replace & [2] 3251 tim@nattytest:/usr/lib$ Traceback (most recent call last): File "/usr/bin/gnome-shell", line 705, in normal_exit = run_shell() File "/usr/bin/gnome-shell", line 293, in run_shell if shell is None: UnboundLocalError: local variable 'shell' referenced before assignment /usr/bin/compiz (core) - Error: Screen 0 on display ":0.0" already has a window manager; try using the --replace option to replace the current window manager. [2]+ Exit 1 gnome-shell --replace I also tried preceding that with metacity --replace, as suggested at ubuntuforums.com. But, I got the same failure. I also linked /usr/lib/libmozjs.so to /usr/lib/xulrunner-2.0b12/libmozjs.so, which did not help either. No matter what I try, I get the same error messages. Thanks.

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  • Is it possible to run two separate instances (copies, versions) of Audacity?

    - by cipricus
    What I want is two separate instances of Audacity running in parallel as to separate programs with different settings. I want one to use WASAPI as audio host and speakers as input device (the 2.0.5 portable has the WASAPI option), and the other to use the MME as audio host, and microphone as input device. When opening a new (second) window of the same installation/copy of Audacity, by executing twice the .exe file, it is the same as giving the command 'new' under 'File', what happens is not a second instance, but just a separate project/file and window. When settings are changed in one, they change exactly in the other. When trying to start a second copy of Audacity, or even a second different version, when one is already running, it will also open just a second project/file of the application that is already running, as before.

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  • How to restore a previous firefox session?

    - by jae
    FF 3.5.4 on Ubuntu 9.10. I have (of course) session saving (the built-in one) enabled. I closed the main FF window, but the "Downloads" window was still open. And on reopen, it had forgotten about the previous tabs. This is annoying is hell, and yes, I should report (or check for) a bug. If I could stomach bugzilla, that is. :P I have the sessionstore.js file with this older session (scanning it with less showed many of the sites I know had been open). How do I get FF to use this session file? I did try to remove sessionstore.* and copy the sessionstore.js (or .bak) to the profile folder. But that doesn't have any effect. EDIT: rewritten, to make it as obvious as it can be. I wasn't expecting people to jump to the "this guy's a stupid git" quite so easily.

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  • Run a batch file silently, executed at remote desktop login

    - by ILMV
    In our office we are using Linux thin client machines, they work very well except the lack of IE, which is a pain because the corporations we deal with are too stupid to update their web apps (no flame wars please). To solve this problem we have machine in our computer room which users remote desktop into to access internet explorer, this is achieved by running a batch script which opens IE and when it closes logs them off, this setup works well for us. Even though I have @echo off and the cmd window isn't displaying anything, I would really like that batch file to be executed silently, so the cmd window doesn't appear at all. Is this possible? The Ubuntu terminal server client has an option to launch a file / app at login, is there a command I can use to run this batch silently. I have tried these: C:\my_batch.bat /NOCONSOLE C:\my_batch.bat /NOWINDOW C:\my_batch.bat /B C:\my_batch.bat /Q ...with no success, perhaps it's the way I am doing it? Cheers :-) Edit The remote desktop platform is a Windows XP machine, nothing entirely special but not a Windows Server setup.

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  • Reliable alert dialogs from the shell

    - by intuited
    I'd like to have a message pop up in response to various system events, mostly in order to be able to set reminders for myself from a shell session. There are a few ways to do this; zenity seems to be the most polished. However, I've found at least two problems with zenity: Messages do not appear on all workspaces. I tried using the gtk option --screen to control this, but they just appear on the current workspace regardless. So if I am switching workspaces as the message comes up, I will not see it. Messages do not appear above all other windows. Specifically, if I am using guake, a new zenity message will appear below the guake window and I won't be able to see it. I tried a few other apps a while back. Both gmessage and xmessage exhibited problem 1; gmessage also exhibited problem 2. I did find that kalarm, which can be scripted from the command line, worked acceptably, but I'm trying to avoid running the KDE stack if possible, and would prefer something lightweight with zenity's versatility. It seems that it might be possible to arrange for these problems to be resolved by setting the WM_CLASS, but I'm in a bit over my head there. It might also be possible to make modifications to the window after it launches with a script, but again I'm not sure where to look for resources on that.

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  • Final Release of Silverlight Tools for Visual Studio 2010 Released

    - by dwahlin
    If you haven’t already heard the news, the final release of the Silverlight Tools for Visual Studio 2010 have been released! That’s great news for Silverlight developers and to top it off the crew up at Microsoft even snuck in a few new features including intellisense for styles (a big deal in my opinion) and the ability to easily manipulate Grid rows and columns.  One of the most time consuming (and boring) tasks experienced by developers is also covered with the new “Go To Value Definition” feature that allows you to jump directly to style definitions with ease.  That feature alone is worth the upgrade especially if you’re working with a large application that uses a lot of styles. Here’s a quick run-down of the features provided by the latest release from the Microsoft team: Support for targeting Silverlight 4 in the Silverlight designer and project system RIA Services application templates and libraries to simplify access to your data services (check out this Silverlight.tv video and whitepaper giving full details) Support for Silverlight 4 elevated trust and out-of-browser applications Enhanced support for other new Silverlight 4 features, including: Working with Implicit Styles Go To Value Definition - navigate directly from controls on your page to styles that are applied to them. Style Intellisense - easily modify styles you already have in XAML Working with Data Source Window outputs Data Source Selector - easily select and modify your data source information Grid Row and Column context menu - Add, remove, and re-sort DSW outputs and other Grid layouts Thickness Editor for editing Margins, Padding etc. Sample Data Support -  see your item templates and bindings light up at design time Working with Silverlight 4 Out-of-Browser applications Automatically launch and debug your OOB app from inside the IDE Specify XAP signing for trusted OOB apps Set the OOB window characteristics If you’d like to see some of the new features in action check out this Channel 9 video with Mark Wilson-Thomas and John Papa.

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  • How do I get my Lexmark x4650 printer working?

    - by Fallen Dohingy
    I think that my printer stopped working with the switch to gnome 3 or unity. Yes I have tried 32 and 64 bit os's. Here is the driver In order to actually install the driver, you need to extract it and then open up terminal and type sudo and then a space. Then drag the script into the terminal window. Here is what it said in the diver install window: Extracting file: printdriver.te Extracting file: lexmark-08z-series-driver-1.0-1.i386.deb Extracting file: launcher.c Extracting file: launcherfallendohingy@Ubuntu-Inspiron-15R:~$ sudo '/home/fallendohingy/Downloads/lexmark-08z-series-driver-1.0-1.i386.deb.sh' [sudo] password for fallendohingy: Verifying archive integrity... All good. Uncompressing nixstaller.............................................................. Collecting info for this system... Operating system: linux CPU Arch: x86_64 Warning: No installer for "x86_64" found, defaulting to x86... TRACKING IDENT = 170209 cpu speed = 2394 MHz ram size = 3762.69921875 MB hd avail = 74348 MB (gtk:17645): GdkPixbuf-WARNING **: Cannot open pixbuf loader module file '/usr/lib/i386-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such file or directory (gtk:17645): GdkPixbuf-WARNING **: Cannot open pixbuf loader module file '/usr/lib/i386-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such file or directory (gtk:17645): GdkPixbuf-WARNING **: Cannot open pixbuf loader module file '/usr/lib/i386-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such file or directory (gtk:17645): GdkPixbuf-WARNING **: Cannot open pixbuf loader module file '/usr/lib/i386-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such file or directory /usr/lib/gio/modules/libgvfsdbus.so: wrong ELF class: ELFCLASS64 Failed to load module: /usr/lib/gio/modules/libgvfsdbus.so Extracting file: lsbrowser Extracting file: lsusbdevice Using dpkg installation ============================= Execute: dpkg -i --force-architecture lexmark-08z-series-driver-1.0-1.i386.deb > /tmp/selfgz17540/pkg/files/dpkg_msgs ============================= ============================= Execute: rm lexmark-08z-series-driver-1.0-1.i386.deb ============================= ============================= Execute: /sbin/udevadm control --reload-rules ============================= Successfully installed the .deb Lexmark drivers.

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