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how to concatenate two strings in shell script in 3.13.0-34-generic kernel

- by saikrishna

I want to concatenate two strings for the shell file im getting error when i have created the shell file in following manner could you please suggest how to get it set export APP_HOME="/home/sfptladmin/ArchivalDaemon" export JAVA_HOME="/usr/lib/jvm/java-7-oracle/jre" export LIBPATH="/home/sfptladmin/ArchivalDaemon/lib" export CPATH=$APP_HOME/conf export CPATH=$CPATH:$LIBPATH/commons-beanutils-core-1.7.0.jar export CPATH=$CPATH:$LIBPATH/commons-collections-3.2.jar export CPATH=$CPATH:$LIBPATH/commons-io-1.4.jar export CPATH=$CPATH:$LIBPATH/commons-lang.jar export CPATH=$CPATH:$LIBPATH/commons-net.jar export CPATH=$CPATH:$LIBPATH/dataloader-27.0.1-uber.jar export CPATH=$CPATH:$LIBPATH/dom4j-1.6.1.jar export CPATH=$CPATH:$LIBPATH/log4j-1.2.15.jar export CPATH=$CPATH:$LIBPATH/opencsv2.3.jar export CPATH=$CPATH:$LIBPATH/poi-3.7.jar export CPATH=$CPATH:$LIBPATH/poi-ooxml-3.7.jar export CPATH=$CPATH:$LIBPATH/poi-ooxml-schemas-3.7.jar export CPATH=$CPATH:$LIBPATH/wsc-23-min.jar export CPATH=$CPATH:$LIBPATH/xmlbeans-2.5.0.jar export CPATH=$CPATH:$LIBPATH/archival-daemon-main.jar export CPATH=$CPATH:$LIBPATH/sbmclasspath.jar export CPATH=$CPATH java -Xms256m -Xmx512m -classpath $CPATH "-Dfile.encoding=UTF-8" com.genpact.proflow.daemon.archival.manager.ArchivalManager echo $CPATH

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Ubuntu 12.04 boot hangs with a black screen before grub menu after upgrade (gma500_gfx driver)

- by Eric van der Vlist

I am using Ubuntu on a fit-pc2 specifications and after upgrading from 10.04 to 12.04 I get a black screen at boot time (before displaying the grub menu) and the computer hangs with no disk activity. I have managed to boot Ubuntu 12.04 on a live USB key but had to add the following boot options to do so: console=tty1 or console=text acpi=off noapic nomodeset Using boot-repair, I have tried to add these options to /etc/default/grub (see this pastie log for instance) but I haven't been able to fix the black screen issue. I have tried many other things such as the workarounds mentioned on the web for PSB-GFX_drivers without any success and also to uncomment GRUB_TERMINAL=console with the result of getting a No video mode activated error. During these tests, I have managed to break /boot/grub/grub.cfg and could then hit grub in command line. This gave me the chance to check that I can boot without problem if I type: grub> set root=(hd0,1) grub> linux /vmlinuz root=/dev/sda1 ro acpi=off noapic nomodeset console=tty1 grub> initrd /initrd.img grub> boot How can I tell grub to use these options?

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12.10 visual performance using nvidia driver

- by user100485

My fresh ubuntu 12.10 install is slow, not something extreme but dragging windows, switching workspaces and things like that are just slow and look horrible. it feels like the fps is dropping in a game. Doing some photoshop work in windows was even a relief! This effect gets worse if I connect my external monitor. My system is an intel pentium dual core T4500 with 4gb memory and a GeForce 8200M G/integrated/SSE2 graphics chip. Nothing fancy but should be able to run ok. My "experience" in ubuntu is set to standard. (MSI cr500 laptop) I've installed the nvidia drivers, tried current and experimental and the experimental drivers seem to perform a bit better but overall bad anyway. I set the mode to adaptive in the nvidia-settings tool and it goes to maximum setting directly and doesn't come back. Using htop I found out that compiz or the X server always use a few percent of my cpu, more than I think it should and the time consumed is 5:18 for compiz, 4:33 for /usr/bin/X and 2:41 for google chrome(about 30 tabs open so not too strange I think.) What can I do to increase the visual performance cause this makes me not want to use ubuntu in public!

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Help identifying device and driver for 0bda:1724

- by user104547

I've got a new Lenovo Ideapad Yoga 13. The onboard lan/bluetooth device is identified in Linux as 0bda:1724 (via lsusb). No network peripherals are reported from lspci. From the interwebs, the vendor:product above looks to be RT2573, however, in Windows, the device is identified as RTL8723A. Unfortunately, I have followed both roads, trying rt2500usb, rt2x00usb, and rtl8723e. I have emailed Realtek asking them for help but so far my email has fallen on deaf ears. I've posted the output of lspci -nn -v and lsusb -v to: http://pastebin.com/dqvTSVjF Any help at all would be appreciated. Thank you, Ryan

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Generic log analyzer that produces reports

- by Eugene

About 600 customers use our application. We have very detailed logs for everything that happens in the application, from changes in the data model, memory and CPU/GPU usage to clicks on the UI elements. We want to be able to parse the logs coming from these customers and analyze them to understand how users use our application and what happens internally in the application. Is there a log analyzer that can produce such reports automatically?

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ATI Catalyst driver 12.8 is not using hardware acceleration on Precise

- by Jack Wright

I've been using Ubuntu and ATI Catalyst for years. On my clean install of Ubuntu 12.04 I've noticed that Catalyst 12.6 and then 12.8 are not actually using my HD5750 GPU for hardware acceleration - high CPU usage, zero GPU load. Everything installed correctly with no hassles, fglrxinfo and vainfo are correct as per this HowTo for Precise. I have an Ubuntu 10.04 with Catalyst 12.6 installation on the same hardware which does use the GPU - low CPU usage, high GPU load when transcodeing video files or playing video content. The VA-API drivers are not installed on the 10.04 build. They are not mentioned in this HowTo for Lucid. fgl_glxgears frame rates on Precise are a fifth of the rates on Lucid. LUCID jw@Kworld:~$ fgl_glxgears Using GLX_SGIX_pbuffer 16867 frames in 5.0 seconds = 3373.400 FPS 12523 frames in 5.0 seconds = 2504.600 FPS 13763 frames in 5.0 seconds = 2752.600 FPS PRECISE jw@NewWorld12:~$ fgl_glxgears Using GLX_SGIX_pbuffer 12905 frames in 5.0 seconds = 2581.000 FPS 3230 frames in 5.0 seconds = 646.000 FPS 517 frames in 5.0 seconds = 103.400 FPS 518 frames in 5.0 seconds = 103.600 FPS 6489 frames in 5.0 seconds = 1297.800 FPS This is glxgears running in fullscreen. In Lucid (10.04) I can't see the gears, they are spinning so fast, but in Precise (12.04) they are really sluggish. Has anyone else noticed a problem like this? Cheers, Jack.

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NVIDIA 560 TI driver install ubuntu 14.04 leads to "missing on display" error

- by allthosemiles

Currently on my Ubuntu 14.04 install, I boot it up install the latest updates and attempt to install the NVIDIA drivers from xorg-edgers while following the top answer on this post Installing Nvidia Drivers It installs 304 for my card and when I check the "glxinfo | grep OpenGL" I have about 8 lines that read Xlib: extension "NV-GLX" missing on display ":0". I did the "sudo apt-get install nvidia-current" to get the latest. I install it but didn't see any errors in the terminal. I'm not sure what I'm doing wrong here. I'm not a complete beginner with Linux so I can find my way around just fine but I can't find a solution to this issue. Should I have done one of these two instead? sudo apt-get install nvidia-304 sudo apt-get install nvidia-graphics-drivers-304

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Getting Ethernet driver to crippled machine

- by Richard

The reply at How do I install drivers for the Atheros AR8161 Ethernet controller? probably helps me. I have a Toshiba S855, bought yesterday. lspci -vv | grep Atheros command from the terminal shows me I have the AR8161 Gigabit Ethernet controller (rev 10) However the answer sudo apt-get install ... requires an internet connection. How can I, using another machine, capture the necessary information on that other machine to copy across to the crippled machine, and then how do I build from there. Thanks in anticipation

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How to make pulseaudio and ubuntu detect the same audio device as alsa driver

- by Kiwy

I use Ubuntu 14.04 x64 and I use gnome-shell on my laptop. I have a Bose companion 5 (which is basically a USB sound system) and a HDMI port, both does work perfectly when I just boot with the cable plugin. However, when my laptop go to sleep or get unplugged from those two outputs, if I plug back the device, I end up without any hardware detection (only the built-in speakers) from pulse and gnome-shell sound output selector while if I use alsamixer, the device look up and ready. gstreamer-properties allow me to select and test effectively any device but while alsa recognize any device on the run, pulse is not capable of handling things correctly, my question is then: How can I make pulse detect and use the same hardware as alsa, or how to remove completely and gracefully pulseaudio (meaning volume applet running in gnome shell) I don't mind if the project implies to recompile half gnome shell if it implies those audio outputs work all the time. Pulse does not list my soundcard when I use command pactl list cards while the module plug&play for sound card is loaded in pactl list modules. I really don't know what to do, the behavior seems pretty random.

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Some More New ADF Features in JDeveloper 11.1.2

- by Steven Davelaar

The official list of new features in JDeveloper 11.1.2 is documented here. While playing with JDeveloper 11.1.2 and scanning the web user interface developer's guide for 11.1.2, I noticed some additional new features in ADF Faces, small but might come in handy: You can use the af:formatString and af:formatNamed constructs in EL expressions to use substituation variables. For example: <af:outputText value="#{af:formatString('The current user is: {0}',someBean.currentUser)}"/> See section 3.5.2 in web user interface guide for more info. A new ADF Faces Client Behavior tag: af:checkUncommittedDataBehavior. See section 20.3 in web user interface guide for more info. For this tag to work, you also need to set the uncommittedDataWarning property on the af:document tag. And this property has quite some issues as you can read here. I did a quick test, the alert is shown for a button that is on the same page, however, if you have a menu in a shell page with dynamic regions, then clicking on another menu item does not raise the alert if you have pending changes in the currently displayed region. For now, the JHeadstart implementation of pending changes still seems the best choice (will blog about that soon). New properties on the af:document tag: smallIconSource creates a so-called favicon that is displayed in front of the URL in the browser address bar. The largeIconSource property specifies the icon used by a mobile device when bookmarking the page to the home page. See section 9.2.5 in web user interface guide for more info. Also notice the failedConnectionText property which I didn't know but was already available in JDeveloper 11.1.1.4. The af:showDetail tag has a new property handleDisclosure which you can set to client for faster rendering. In JDeveloper 11.1.1.x, an expression like #{bindings.JobId.inputValue} would return the internal list index number when JobId was a list binding. To get the actual JobId attribute value, you needed to use #{bindings.JobId.attributeValue}. In JDeveloper 11.1.2 this is no longer needed, the #{bindings.JobId.inputValue} expression will return the attribute value corresponding with the selected index in the choice list. Did you discover other "hidden" new features? Please add them as comment to this blog post so everybody can benefit.

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SEO As the Online Business Traffic Driver

The SEO means that the online business marketer can drive his site or blog to the top places at the search engine result pages with the selected keywords. This requires, that a marketer knows the search engine algorithm, i.e. according to which criteria the engine will put the sites in a certain order.

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Designing generic render/graphics component in C++?

- by s73v3r

I'm trying to learn more about Component Entity systems. So I decided to write a Tetris clone. I'm using the "style" of component-entity system where the Entity is just a bag of Components, the Components are just data, a Node is a set of Components needed to accomplish something, and a System is a set of methods that operates on a Node. All of my components inherit from a basic IComponent interface. I'm trying to figure out how to design the Render/Graphics/Drawable Components. Originally, I was going to use SFML, and everything was going to be good. However, as this is an experimental system, I got the idea of being able to change out the render library at will. I thought that since the Rendering would be fairly componentized, this should be doable. However, I'm having problems figuring out how I would design a common Interface for the different types of Render Components. Should I be using C++ Template types? It seems that having the RenderComponent somehow return it's own mesh/sprite/whatever to the RenderSystem would be the simplest, but would be difficult to generalize. However, letting the RenderComponent just hold on to data about what it would render would make it hard to re-use this component for different renderable objects (background, falling piece, field of already fallen blocks, etc). I realize this is fairly over-engineered for a regular Tetris clone, but I'm trying to learn about component entity systems and making interchangeable components. It's just that rendering seems to be the hardest to split out for me.

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Wireless USB Adapter driver configuration

- by Jones

First I would like agree one thing that this is fully for Ubuntu, not for BackTrack. However I'm posting my BackTrack question here since I find similar problems in backtrack forum are being unanswered and Linux/Unix site of StackExchange has very low attraction. I'm having USB wifi adapter (iBall Baton), having chipset RTL8191SU. It displays available wifi networks in Wicd manager. But while trying to connect it gives me bad password. When I'm trying to run airmon-ng it didn't returned me the monitor mode. I tried to replace with Ubuntu 12.10 drivers. But it totally nulled the device functionality. However I restored the drivers. I'm interested to compile drivers as if anyone indicate the methods. Awaiting ideas!

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Which driver for ATI Radeon 9600 All-In-Wonder

- by vanja

I'm very new to Ubuntu and Linux for that matter, and wondering if anyone there found proper drivers for ATI Radeon 9600 All-In-Wonder. The system (Ubuntu 12.04) doesn't let me change screes resolution and it's not recognizing the card.. I found this page http://wiki.cchtml.com/index.php/Hardware that shows some info but i'm really confused where to start and if it's possible at all to make everything work. Any help would be really appreciated. Thanks in advance!! -vanja

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Update usb Driver

- by Enrico Caponi

i just now start to use Xubuntu, and i install Xubuntu on my second laptop i had in my garage, just for put back in use. On the ASUS xubuntu work really perfect but now after i put on my old laptop i have some little proble. My Laptop old is a Fujitsu Siemens AMILO L7310GW, i explain my problem: The installation works fine, everything is quite good but there are few little problem i have a know idea, how I can fix them... so USB: i have a optical mouse usb and works quite strage, when i tip on terminal "lsusb" the system recognized fine my mouse but the strange thing is the mouse it move like jump around the desktop. what i had done: - update the usbdrive - change mouse - tried mouse on different pc and on both they work fine another problem i don't know where came from: when i take off my mouse, and try to put back doesn't work at all, if i want back i have to restart the OS. and no usb pen or other ar working so for that i think is usb problem. i can tell before Xubuntu whit winXP the usb work fine, but i don't want windows anymore... So i tried almost everything you can find on the net, maybe i have done something wrong so please help me. I tried also to install the new version 12.04, but i came back for the 11.10.

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JHeadstart search with default values

- by christian.bischof

JHeadstart has a powerful generator for ADF Faces pages. One of the features of the generator is the generation of search functionality into a page. The search functionality offers a "Quicksearch" with a single search item and an "Advanced Search" for multiple search criteria. Sometimes it would be nice to have initial values for the search criteria, but this is not supplied by JHeadstart by default.

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Can't install the wireless driver in HP Pavilion dv2419us

- by maqtanim

I've just installed Ubuntu 13.04 in an old HP Pavilion dv2419us. The problem is, Ubuntu doesn't detect the wireless card. But it works fine in Windows 7. The following command returns nothing! lspci -vvnn | grep 14e4 And the lspci output is: 00:00.1 RAM memory: NVIDIA Corporation C51 Memory Controller 0 (rev a2) 00:00.2 RAM memory: NVIDIA Corporation C51 Memory Controller 1 (rev a2) 00:00.3 RAM memory: NVIDIA Corporation C51 Memory Controller 5 (rev a2) 00:00.4 RAM memory: NVIDIA Corporation C51 Memory Controller 4 (rev a2) 00:00.5 RAM memory: NVIDIA Corporation C51 Host Bridge (rev a2) 00:00.6 RAM memory: NVIDIA Corporation C51 Memory Controller 3 (rev a2) 00:00.7 RAM memory: NVIDIA Corporation C51 Memory Controller 2 (rev a2) 00:02.0 PCI bridge: NVIDIA Corporation C51 PCI Express Bridge (rev a1) 00:03.0 PCI bridge: NVIDIA Corporation C51 PCI Express Bridge (rev a1) 00:05.0 VGA compatible controller: NVIDIA Corporation C51 [GeForce Go 6150] (rev a2) 00:09.0 RAM memory: NVIDIA Corporation MCP51 Host Bridge (rev a2) 00:0a.0 ISA bridge: NVIDIA Corporation MCP51 LPC Bridge (rev a3) 00:0a.1 SMBus: NVIDIA Corporation MCP51 SMBus (rev a3) 00:0a.3 Co-processor: NVIDIA Corporation MCP51 PMU (rev a3) 00:0b.0 USB controller: NVIDIA Corporation MCP51 USB Controller (rev a3) 00:0b.1 USB controller: NVIDIA Corporation MCP51 USB Controller (rev a3) 00:0d.0 IDE interface: NVIDIA Corporation MCP51 IDE (rev f1) 00:0e.0 IDE interface: NVIDIA Corporation MCP51 Serial ATA Controller (rev f1) 00:10.0 PCI bridge: NVIDIA Corporation MCP51 PCI Bridge (rev a2) 00:10.1 Audio device: NVIDIA Corporation MCP51 High Definition Audio (rev a2) 00:14.0 Bridge: NVIDIA Corporation MCP51 Ethernet Controller (rev a3) 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 05:09.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller 05:09.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19) 05:09.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 0a) 05:09.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 05) The command lspci -nn | grep 0280 gives no output. Any suggestion regarding this?

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Embeding a generic google search with autocomplete - not a custom site search

- by picxelplay

Most people's home page is google.com. My homepage is just a custom html page hosted on my computer. I do this because I am a web developer, and I have several projects that I work on a one time, so I like to have quick links to all of them. On that page I usually just have a Link to google.com for when I want to search. But below all of my quick links, I want to add a google search box (with Autocompletions). I first used a simple iframe to embed google.com into the page, but then my search results were confined to that iframe. I wanted to search for something, then my results would open in a new tab. I then came across this code snippet but it doesn't have Autocompletions: http://www.refactory.org/s/google_search/view/2 How can I add Autocompletions to this? Or is there a better way of doing it? Thanks in advance for any advice

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Embeding a generic google search with autocomplete - not a custom site search

- by picxelplay

Most people's home page is google.com. My homepage is just a custom html page hosted on my computer. I do this because I am a web developer, and I have several projects that I work on a one time, so I like to have quick links to all of them. On that page I usually just have a Link to google.com for when I want to search. But below all of my quick links, I want to add a google search box (with Autocompletions). I first used a simple iframe to embed google.com into the page, but then my search results were confined to that iframe. I wanted to search for something, then my results would open in a new tab. I then came across this code snippet but it doesn't have Autocompletions: http://www.refactory.org/s/google_search/view/2 How can I add Autocompletions to this? Or is there a better way of doing it? Thanks in advance for any advice

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how do I fix ati driver issue

- by Michael

I have little knowledge about ubuntu, but I am learning. Recently, my ubuntu 12.04 required that I update. I noticed that it was updating xorg and other things, after the update I was asked to reboot. I did. now when I start that computer up, it cannot detect any display and refuses to boot from usb. I have no idea how to recover my computer. It simply starts in what is akin to the terminal program and ask for my username and password. After that, I can enter commands. The problem may be because I manually installed drivers by copy pasting from some instructional that I now have no idea where they are, but what it amounts to is that I "built" the drivers. They were working GREAT until this update. I did this because otherwise I was unable to have sound through my hdmi. After I hand built the drivers, they worked great. After this update Ka-blam! nothing... Also, I had okay-ed lots of update sources (though all of them [xorg and such] were the stable versions, not the unstable update sources) Please help and thank you in advance. (if this is posted incorrectly or misplace, please let me know what to do)

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schema.org specification for generic pages or posts on a CMS

- by NateWr

I'm trying to determine the best possible schema.org type to declare for the content section in the template of a content management system, which will handle regular news posts for small, local hospitality businesses. The type should represent the content of that page, which is likely to be a wide range of things. The description for Article pretty strongly encourages its use to be limited to the articles of a publication. For purely semantic reasons, I'm not sure if Blog is appropriate in this case -- businesses won't be creating typical "blog" content but are more likely to be writing about upcoming events, special deals, awards, etc. Would Webpage be appropriate in this instance? Although I'm a fan of the schema.org concept, I frequently find myself unsure how broadly or narrowly I'm meant to infer the meaning of a type. In such cases, is it safe to use a high-level element, such as CreativeWork, or does this blunt the usefulness of the markup?

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A Dynamic, Generic, Type-Safe Comparer

An IComparer implementation which enables comparing by any number and order of properties. Type safety is the driving force.

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Why doesn't my Nvidia driver support 1280*1024?

- by Alvar

EDIT: I think the problem is in the NVIDIA x server, that doesn't support an RGB screen from 1990. The screen was the best of them all when it was released. This a strange thing! In windows the EDID must work because 1280*1024 is used as max resolution, but in ubuntu those stuff aren't being received, so how do I tell ubuntu/nivida to find those EDID stuff? Hi, I have an external monitor which is an 20" 1280*1024. In windows 7 it works fine with that resolution but in ubuntu it can't. The screens model name is IntelliColor Display/20 and the name of the company is "radius".recived Well, twin view is working but the only maximum resolution is 1024*768. I'm using nividas x server program. If I force it to use 1280*1024 it all crashes and I have to force a reboot. alvar@alvars-laptop:~$ disper -l display DFP-0: HSD121PHW1 resolutions: 320x175, 320x200, 360x200, 320x240, 400x300, 416x312, 512x384, 640x350, 576x432, 640x400, 680x384, 720x400, 640x480, 720x450, 640x512, 700x525, 800x512, 840x525, 800x600, 960x540, 832x624, 1024x768, 1366x768 display CRT-0: CRT-0 resolutions: 320x240, 400x300, 512x384, 680x384, 640x480, 800x600, 1024x768, 1152x864, 1360x768

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Generic Content Player?

- by Jantire

The general idea on the web appears to be that video/audio are to be separated with plain text. By separated, I mean you have a place that plays video/audio and a place that you read text. This is because it is widely understood that they are vastly different. However, audio and video are just another way of communication, just like text. So why do we separate the two even if they are nearly the same thing? Correct me if I'm wrong but, most tutorials are either plain text how-to's (wiki-style) or visual/auditory instructional videos (YouTube). Why aren't the two combined? Or, if it's already been done can someone reply with the link? This might be bordering off-topic and if it is off-topic then please point me to the right place so it won't be. This might also appear to be an obvious question, however I'm not sure if this subject has really been deeply thought-out by more than a few individuals.

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display driver problem

- by Robert

I just recently installed Ubuntu 12.10 on my laptop and am keeping windows 7 as a back up for when I get stuck like now..... After I installed Ubuntu I got on line and was reading about some of the things to do after Installing for the first time. One of them was looking for additional drivers witch I did and found two display drivers. Both drivers were from Ubuntu. However after install and a reboot I can't see any of my menu bars.....no app bar on the side.....no bar at the top of the display...nothing. I did have a file on the desktop that I was able to open. And I just learned that ctrl+alt+T gets me a form of command prompt. this worked but I don't know how to use it. How do I get my menu bars back?? is there a way to uninstall the drivers? I am really new to Ubuntu and like it so far but am having problems getting over the learning curve.

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