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• Strange sound issues with Ubuntu 11.10

  - by DNA

  I am having strange issues with sound and volume with Ubuntu 11.10 I've noticed very often, especially when I get my computer out of sleep, it lacks sound even though the volume slider is cranked all the way up. But when I plug my headphones in and then take them out, it seems to kick start my sound back! What gives? What daemon in /etc/int.d needs to be restared with the restart command to fix this? I have the following in my init.d folder /etc/init.d/alsa-restore and /etc/init.d/alsa-store Also, my start up ubuntu sound doesn't play either....

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• invite: Oracle Fusion Applications Partner Update Webcast

  - by mseika

  Oracle Fusion Applications: Thursday's Partner UpdatesIn order to keep you up to date with partner-specific news and information regarding Oracle Fusion Applications, we are expanding our Fusion Applications Webcast Series to include these additional Thursday sessions.All sessions will be recorded and replays will be posted to this Oracle PartnerNetwork page.Please mark your calendar for these NEW Fusion Partner Update specific sessions: Click Here for logistics and dial-in details for each webcast. 11/29/12 Win Cloud SFA with Fusion CRM: Sales Positioning 12/6/12 Win Cloud SFA with Fusion CRM: Fusion CRM against SFDC 12/13/12 Implementing Fusion Applications: ERP Cloud Services, Back Office Solutions that Keep You in Front 12/20/12 Understanding Fusion Supply Chain Management (SCM) Opportunities PLEASE NOTE: This webcast series is for Oracle Partners and Oracle Employees ONLY.

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• remastersys created Live DVD hangs in "Choose a picture"

  - by eos2012

  I used remastersys to create a Live DVD. Then, I used the Live DVD for the installation on another computer. The installation hung at the "Choose a picture" session. Both the "Back" and "Continue" buttons were disabled. It seemed like the installation was hung. I had to power-cycle the computer and reinstall from the Live DVD again. After the power-cycle, the installation from the Live DVD went successfully. Any idea why the installation hung at the "Choose a picture" session, and how to fix it without power-cycle the computer? Thanks a lot!

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• Is it safe to convert Windows file paths to Unix file paths with a simple replace?

  - by MxyL

  So for example say I had it so that all of my files will be transferred from a windows machine to a unix machine as such: C:\test\myFile.txt to {somewhere}/test/myFile.txt (drive letter is irrelevant at this point). Currently, our utility library that we wrote ourselves provides a method that does a simple replace of all back slashes with forward slashes: public String normalizePath(String path) { return path.replaceAll("\\", "/"); } Slashes are reserved and cannot be part of a file name, so the directory structure should be preserved. However, I'm not sure if there are other complications between windows and unix paths that I may need to worry about (eg: non-ascii names, etc)

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• Keyboard Mouse Problem

  - by Zachary K

  I just installed Ubuntu on my laptop (Core 2 Duo Sony Vaio) and am having a problem with the external keyboard and mouse. When I first logged in the left mouse button does not work, this can be solved by unplugging the external keyboard/mouse's USB connector and then plugging it back in again. But Then randomly other problems happen. (Shift gets stuck, keys don't work etc) The keyboard and mouse are a generic brand wireless (A4 Tech) that I got for cheap. Both work OK under windows so this is a major pain.

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• Cannot login via Unity login screen after upgrade to 12.04

  - by codesurgeon

  Logging in via the shell accessed through Ctrl+Alt-F1 and logging in as guest via the graphical user interface work 0O When I try to log into my standard user account via the graphical interface, the screen flashes to black for a couple of seconds and bumps me back to a pristine login screen. Entering a wrong password for my user account yields the standard error message - my user account and credential verification seem to be OK. I suppose that my individual graphics configuration causes problems ... I'm not sure how to reset that. I've tried stopping the UI via sudo service lightdm stop executed sudo nvidia-xconfig and restarted the UI sudo service lightdm start to no avail. My workstation has a Nvidia GeForce 560-448 graphics card. I've tried getting this fixed with the latest Nvidia 64-bit drivers (cURL'ed from the official website), that is 295.49 and the latest beta driver 302.07. Anybody have an idea how to get this fixed? Your help is appreciated :)

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• Authenticating users for a website

  - by MCB

  I'm working on a website and I want to validate that an individual is an employee at one of a large number of companies (probably using their company's email address, which I don't know before hand). The idea being some users are the general public and others are from these companies. And I need some way to authenticate that the users claiming to be employees are being honest while still having a friendly enough UI. I did an informal survey of people I know and the domains and emails will match in a majority of cases but they might not always match exactly so you might have a company with a website foo.com and an email [email protected] (although foobar.com did redirect back to foo.com). And while I can easily check that I'm not sure what other variations might be out there (maybe fooLA.com and email [email protected], etc.)

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• Screensaver does not activate properly [closed]

  - by Ole Christian

  I do not know if this is a known feature/bug in Unity, and I am also unaware of how else to report bug-related things. I was listening to some music using banshee. My services was called upon (My SO wanted me to help with the dishes) so I clicked on the sound icon and paused the music. I left the sound icon menu open. When I came back much later, the screensaver had not yet activated. Once I closed the menu, the screensaver immediately kicked in. I am assuming that this kind of behavior is not intended. This is also easily reproducible for anyone. Has anyone else experienced this kind of behavior? Is this a (known) bug?

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• .bash_history and .cache

  - by John Isaacks

  I have a user who's home directory is a Mercurial repository. Mercurial notified me that there were 2 new unversioned files in my repository. .bash_history and .cache/motd.legal-displayed. I assume bash_history is the history of bash commands for my user. I have no idea what the other is. I don't want these files to be versioned by Mercurial, are they safe to just delete, or will they come back, or mess something up? Can they be moved to somewhere else? Or do I have to add them to my .hgignore file?

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• Unity launcher autohide leaves "ghost" behind?

  - by Hailwood

  In 12.04 I had the launcher set to autohide, which worked perfectly. However in 12.10 I am getting a strange "ghost" issue. Take this screenshot, with me having a maximised google chrome window, mousing over the back button. As well as this, I also get another ghosting issue when I have the panel set with an opacity, whereby whatever is in approximately the middle left of the screen gets mirrored up to to panel, but only when I move/switch to a window. But that one is not so annoying as the autohide bug, how can I fix that?

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• How do you unit test your javascript

  - by Erin

  I spend a lot of time working in javascript of late. I have not found a way that seems to work well for testing javascript. This in the past hasn't been a problem for me since most of the websites I worked on had very little javascript in them. I now have a new website that makes extensive use of jQuery I would like to build unit tests for most of the system. My problems are this. Most of the functions make changes to the DOM in some way. Most of the functions request data from the web server as well and require a session on the service to get results back. I would like to run the test from either a command line or a test running harness rather then in a browser. Any help or articles I should be reading would be helpful.

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• Can I hook my xbox up to my Ubuntu PC

  - by Anonymous John

  My old xbox 360 won't eject disks, it makes a sound,but won't open. I want to play games, so I think I could hook it up to my PC running Ubuntu 13.10 64-bit and maybe I could use my PC's DVD drive. Can this work at all, or am I just crazy? There is an HDMI port on the back of my graphics card. If I can't do that, is there any software for Ubuntu that can rip the game off of a CD and put it on a flash drive? I have heard xbmcbuntu works great for gaming, but it doesn't work with my PC.

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• In 12.04 LTS, I get "No DBus" errors when running things as root

  - by Seann

  While attempting to run gEdit as root from a terminal window (was trying to do some tweaking on my HOSTS and FSTAB files), I get a message saying "No DBus connection available" and get booted back to the prompt. However, I can run Nautilus from the prompt like that (still get the error, but it runs all the same), and use WINE and NOTEPAD, and was able to make my changes. I thought maybe DBUS was missing, but APT says it's installed and gEdit runs fine when not elevated. Granted, I don't have to elevate often, but on the off-chance I do, (like adding or changing SMB/CIFS mountpoints in FSTAB), I would like to use gEdit, not NOTEPAD from WINE, and not in a terminal window with VI (well VIM). Ideas? Solutions?

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• How to attach two XNA models together?

  - by jeangil

  I go back on unsolved question I asked about attaching two models together, could you give me some help on this ? For example, If I want to attach together Model1 (= Main model) & Model2 ? I have to get the transformation matrix of Model1 and after get the Bone index on Model1 where I want to attach Model2 and then apply some transformation to attach Model2 to Model1 I wrote some code below about this, but It does not work at all !! (6th line of my code seems to be wrong !?) Model1TransfoMatrix=New Matrix[Model1.Bones.Count]; Index=Model1.bone[x].Index; foreach (ModelMesh mesh in Model2.Meshes) { foreach(BasicEffect effect in mesh.effects) { matrix model2Transform = Matrix.CreateScale(0.1.0f)*Matrix.CreateFromYawPitchRoll(x,y,z); effect.World= model2Transform *Model1TransfoMatrix[Index]; effect.view = camera.View; effect.Projection= camera.Projection; } mesh.draw(); }

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• Ubuntu 12.04 not Locking Encrypted Hard Drive on Log Out

  - by J.L.

  I'm running Ubuntu 12.04 with Gnome 3.4. I have two external hard drives. I encrypted both using Ubuntu's Disk Utility. When I use Nautilus to mount them, I'm asked for my decryption password. Regardless of whether I then click "Forget password immediately" or "Remember password until you logout", though, I find that Ubuntu does not lock the drives when I log out. Rather, when I log back in, they're still mounted. (To be clear, restarting the computer does unmount them so that they require the password on the next log in.) I'm concerned that these drives are remaining unprotected when I log out without restarting my computer. I would be grateful for help understanding whether this is a bug. Thank you!

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• Colour scheme for editor - guidelines or medical reccomendations

  - by Kevin D

  Is anyone aware of any studies on what colour scheme is best for use in multi-coloured text based computer work? Specifically in terms of reducing eye strain. For instance is a black back ground and light text best? Should it be a dark colour rather than going all the way to black? I've seen the questions on this site about "which is your favourite" that is not what I am after. I also aware that my question may be to specific asking for a colour scheme, if anyone could link me to some guidelines instead that would be appreciated as well. I'm concious of the fact that anyone using a computer is really using it for text based work but with the multitude of colours used to convey information within our modern IDEs I feel this is a good StackExchange site for this question.

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• Cannot boot Win7 after updating to ubuntu 11.10

  - by angryInsomniac

  I had a dual boot setup on my system, with ubuntu 11.04 and Win7. Yesterday I updated ubuntu to 11.10. Now , I cannot seem to be able to load Win7 , I do see an entry for it on the boot menu. I select that entry and then the screen goes black , with everything coming to a standstill. I tried to wait for it to respond but nothing happened. I went through the forums and tried "grub-update" but when I do that , nothing really happens. I am not sure of this , but I get no output from grub for upto 10 minutes ( can grub-update be made verbose ) How can I fix this and get back to booting both OS'es properly ?

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• How to fix Xubuntu LightDM Theme after installing unity.

  - by Christopher

  After successfully installing Xubuntu 12.04.1 on my laptop, I decided to install Unity. That went OK but then I realized there was no themes. So then I installed the themes and artwork, and got a really bad surprise. My lightDM greeter was still Xubuntu like I wanted but the buttons where you choose the user are really tall and I have a purple computer as the icon above my computer name. How do I get back to the original Xubuntu configuration or edit the CSS while keeping Unity? I know where all of the files are but don't know which file to edit or which CSS property to modify. Packages Installed: unity unity-services unity-mail Then I Installed: ubuntu-artwork light-themes ubuntu-wallpapers-oneric ubuntu-wallpapers-precise

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• Are there any specific workflows or design patterns that are commonly used to create large functional programming applications?

  - by Andrew

  I have been exploring Clojure for a while now, although I haven't used it on any nontrivial projects. Basically, I have just been getting comfortable with the syntax and some of the idioms. Coming from an OOP background, with Clojure being the first functional language that I have looked very much into, I'm naturally not as comfortable with the functional way of doing things. That said, are there any specific workflows or design patterns that are common with creating large functional applications? I'd really like to start using functional programming "for real", but I'm afraid that with my current lack of expertise, it would result in an epic fail. The "Gang of Four" is such a standard for OO programmers, but is there anything similar that is more directed at the functional paradigm? Most of the resources that I have found have great programming nuggets, but they don't step back to give a broader, more architectural look.

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• Best practices for including open source code from other public projects?

  - by Bryan Kemp

  If I use an existing open source project that is hosted for example on github within one of my projects, should I check in the code from the other project into my public repo or not? I have mixed feelings about this, #1 I want to give proper credit and attribution to the original developer, and if appropriate I will contribute back any changes I need to make. However given that I have developed / tested against a specific revision of the other projects code, that is the version that I want to distribute to users of my project. Here is the specific use case to illustrate my point. I am looking for a more generalized answer than this specific case. I am developing simple framework using rabbitmq and python for outbound messages that will allow for sending sms, twitter, email, and is extensible to support additional messaging buses as well. There is a project on github that will make the creation and sending of SMS messages developed by another person. When I create my own repo how do I account for the code that I am including from the other project?

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• Chrome + Touchscreen + Unity (14.04)

  - by Luis Fernando P. Gonzalez

  I've got a Dell 14R with touchscreen with Ubuntu 14.04. When I start Google Chrome by clicking the launcher with the TouchPad or with the Super+ combination, touch support in Chrome doesn't work. When I touch some element, it only gets focus, but doesn't activate the element (button, field, etc). And touch gestures don't work. In the other hand, if I start Chrome by touching the launcher button, touch scroll works in Chrome, even flicking to left does back to the previous page, etc. It doesn't makes sense to me, but is always like this, even across reboots. Anyone can confirm this? Any idea on how to fix?

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• failing to boot after ''succesfully'' restoring from deja dup backup

  - by Jake

  Before upgrading to 12.04, I completely backed up 11.10 oneiric with deja-dup. In 12.04 I had major nvidia-related problems, so I decided to roll back to 11.10. I tried to restore from the backup and at first failed several times with "an uknown error occured". I reformated my hard drive, installed a fresh copy of 11.10 on the hard drive, and tried the restore again, with no success. I then booted from a live usb and ran the restore again after mounting the file system. I chose the restore location to be "file system" and the restore completed successfully, or so it said. After restarting my PC, all I got was a 'no operating system' error. I remounted my partition chrooted and installed the kernel. I am working now but my question concerns the restore. Why didn't the restore worked? I'm hoping someone has thought of something that I have not.

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• Ubuntu 13.10 won't boot and hangs on a black screen

  - by Anonymous John

  I installed Ubuntu 13.10 64-bit today and I sat on the internet most of the day after installation. I shut the computer down and went bowling with my family. When I came back, I turned on my computer and it came to the boot screen as usual, but then the screen went black and stayed black. Can this be solved or do I have to install Ubuntu 13.04. My dad does not know about this and I do not want to get yelled at for an hour, so I need an answer before midnight mountain time, otherwise I will install Ubuntu 13.04 so I won't get yelled at in the morning.Thanks to anyone who answers this.

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• Can I still right click on an app to move it to the left or right workspace like in 11.04 and before? What about one click switcher?

  - by Thierry Lam

  In 11.04(classic edition) and before, one of the best features of Ubuntu was the workspace switcher, none of the other major OS had something like that built natively. I work with 2 workspaces, one left and the other right. I will right click apps from left workspace and throw them to the right and vice versa. In 11.10, I have to: Open workspace from the launcher Drag the app to the other workspace Double click back on my original workspace What used to take 2 clicks, now takes 1 click, 1 double click and a drag. Is that the modern way to switch apps between workspaces? In older Ubuntu, I had the 2 workspace icons at the bottom right corner of my screen. I can then single click on the left or right workspace for switching. I'm now doing step 1 and 3 from above to perform that single. Are there any shortcuts or customization to reduce the number of events I have to go through to perform those simple actions?

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• Where is the UIM notification area icon in Unity?

  - by James

  When I was using Maverick, it was possible to switch the input method from a UIM indicator applet. Now that I have upgraded to Oneiric, I can't seem to switch the input method even when I open uim-im-switcher-gtk. This is necessary for me because I need to be able to switch back and forth between English and Tibetan and the keyboard shortcuts don't seem to work until after I've changed the input method from the panel first. Is there some way to get a UIM indicator on the Unity panel? This is a major regression for me and makes it impossible to do certain kinds of work in Ubuntu.

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