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• Need to run `nvidia-xconfig` before booting

  - by RobinJ

  I formatted my whole hard drive, and installed Elementary OS (Ubuntu 10.10) on it in an attempt to get rid of all the problems. It failed. Every since I installed the nvidia-current drivers I first need to boot into recovery mode, and run sudo nvidia-xconfig before booting the system in the normal way. If I don't do this, it will just stop at a black screen after the boot screen, responding to nothing but CTRL+ALT+DELETE and the power button. When I boot the system after running the nvidia-xconfig command I can just start working as usual. Update I suspect it's got something to do with Plymouth. I shall have to try it again before I can confirm it, but removing the quiet and splash parameters from the kernel line in /boot/grub/grub.cfg seems to help. But still, I like my Plymouth screen. A black screen with text rolling over it (or without the text) doesn't attract me much.

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• inserting or updating values into null textboxes [closed]

  - by tanya

  this is my sql table structure create table cottonpurchase ( slipNo int null, purchasedate datetime, farmercode int , farmername varchar (100), villagename varchar (100), basicprice int null, premium int null, totalamountpaid int null, weight int null, totalamountbasic int null, totalamountpremium int null, Yeildestimates int null ) I want to fill in the null values in my sql with actual values and not leave them null but I want to do that from my winforms app form! But if I do that it just adds a new record when what I want is for it to update the record which has, for example, farmercode = 2, farmername = blaah, and so on. I also want to enter this in the same records as in farmercode = 2 and the corresponding corresponding basic price = ... , everytime i do it it ends up making a new record and not in the existing one.

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• Flash Retirement - HTML to be "the one"

  - by RichMill

  I will update this blog post as we get closer to the retirement of the Flash portal. As you might have read the support.oracle.com  flash site will be replaced with what you see in supporthtml.oracle.com,  once we get the rest of the features and functions ported over to the html site. The HTML site is written using Oracle's ADF stack. So we are now pretty much 100% eating our own dog food.  More details to follow.

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• How to prepare for an online job interview (maybe through Skype)?

  - by phunehehe

  I'm applying for a company far away and if I get an interview it will probably be done remotely. I have been searching for advices regarding this but all tips seem to be directed at face-to-face meetings (things like "shake hands firmly"). What are the differences? How can I make the best out of those differences? Update: This is a software developer position, so there's also something about technical questions (such as, I can Google anything that they ask ;) This question also applies to any freelancers who are dealing with customers, or recruiters who are interviewing remotely. I hope that makes it relevant to this site. It may also help if you keep answers programers-related.

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• USB keyboard does not load after 13.10 upgrade

  - by Paul

  Problem: Running kernel 3.11.0-12-generic after a Ubuntu upgrade from 13.04 to 13.10 my USB keyboard is not recognised, thus I am not able to unlock my encrypted disk. I suspect it might be related to a minimal/incorrect install of initrd. Question: How do I go about getting the newest kernel to recognise my generic USB keyboard, allowing me to unlock my encrypted disk? What I have tried: I have already re-installed the newest kernel: sudo apt-get install --reinstall linux-image-generic linux-image and I have also updated the initrd: update-initramfs -c -k 3.11.0-12-generic Back story: I just completed upgrading my Ubuntu system from 13.04 to 13.10. When I subsequently rebooted by system I was no longer able to enter my encryption password (passphrase) as the keyboard drivers did not load. Temporary workaround: Earlier in the boot process (before the keyboard stops working) I was able to enter GRUB menu were I choose to boot from an older kernel (3.8.0-31-generic) which did load the USB keyboard drivers. This is currently the kernel I am running. Thanks

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• Turned off my computer and o it's opened up in grub. How do I tell it to boot into lubuntu?

  - by Magpie

  It's just a commandline. I have tried my usual trick of sticking a usb with lubuntu in there to see if I can boot from my usb but I get a boot error (I normally wouldn't using that usb). GNU grub version 2.00-7ubuntu11 also just using basic things I know I hits ls then tried boot hd0 but it says: you need to load the kernel first I have no idea how to do this. I looked at the commands and most of them hve obscure names that are not helpful. UPDATE: I hit exit and that allowed be to boot from usb. Hopefully I will be able to find what I need to install to get it booting normally again from there.

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• Deactivated wifi drivers, now they wont activate again?

  - by UbuntuFan

  I have ubuntu 13.04. In the software and update menu, under additional drivers, Were it says "Broadcom Corporation; BCM4312 802.11b/gLP.PHY" the box labbeled "do not use it ticked" and when i try tick the one that says "Using Broadcom 802.11 Linux STA Wireless drivers....." it wont let me apply changes, it starts doing it then stops and re-ticks the do not use box. Because of this I can not use the wiress driver. Is there another way i can fix this. Or maby restore ubuntu to previous date. I accidentally ticked the do not use box this morning and now can't undo it. I have restarted several times to try apply changes and still no luck

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• Hulu desktop stopped working on my Dell

  - by jwdinkc

  After last weeks flash update Hulu desktop no longer works on my Dell laptop though it still works on my HP Desktop. Here's what CLI tells me on the Dell: Inspiron-1564:~$ huludesktop Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory I tried: sudo apt-get install libvdpau_nvidia.so but got E: Unable to locate package libvdpau_nvidia.so and E: Couldn't find any package by regex 'libvdpau_nvidia.so' Hulu does work through the browser and through XBMC. XBMC just doesn't seem to match the video quality of the Hulu Desktop. I don't really know why a nvidia.so is needed for my Intel graphics that comes on Dell Insiron 1564's. anyway. So, do you guys have a solution?

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• What is Continous Integration (CI) and how is it useful?

  - by Geek

  Can some one explain to me the concept of Continious Integration, how it works in an easy to understand way? And why should a company adopt CI in their code delivery workflow? I am a developer and my company (mainly the build team ) uses Team City. As a developer I always checkout, update and commit code to SVN but never really had to bother about TeamCity or CI in general. So I would like to understand what is the usefulness of CI? Is CI a part of Agile methodologies?

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• Get and install Nvidia GeForce 8400 GS driver

  - by williepabon

  Recently, I changed my OS kernel from 10.04 to 11.10 (bugs), but after doing it, the video driver for the 8400 GS disappeared (was there in 10.04). I worked out the same procedure I did to install it in 10.04, mainly, sudo apt-get --purge remove nvidia-current sudo apt-get --purge autoremove sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get -y install nvidia-current but it didn't work even though the commands seemed to install the driver without problems. Right now my machine is working with the standard drivers, as shown. williepabon@WP-WrkStation:~$ sudo lshw -C display [sudo] password for williepabon: *-display description: VGA compatible controller product: nVidia Corporation vendor: nVidia Corporation physical id: 0 bus info: pci@0000:05:00.0 version: a2 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom configuration: driver=nouveau latency=0 resources: irq:16 memory:de000000-deffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:cc80(size=128) memory:dfc00000-dfc7ffff Any suggestions to correct the problem? Thanks

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• Upgrade to 13.04 was not successful. Gstreamer not working. What do?

  - by user172214

  I finally decided to upgrade to 13.04. In the middle of the installation my computer froze completely, and so I decided to force quit. I log back on, and notice that the login says 13.04, but not everything was updated. So I run the software updater. Some of the stuff gets updated, but not everything, I suppose. I try to run Rhythmbox, but it says that it's not able to form playback, and that the Gstreamer was messed up, and to please check installation. I don't know what other bugs maybe running. That's just the first I've encountered. The software updater won't let me update anymore because it says the updates need authentication.

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• Where should I put a method that returns a list of active entries of a table?

  - by darga33

  I have a class named GuestbookEntry that maps to the properties that are in the database table named "guestbook". Very simple! Originally, I had a static method named getActiveEntries() that retrieved an array of all GuestbookEntry objects. Each row in the guestbook table was an object that was added to that array. Then while learning how to properly design PHP classes, I learned some things: Static methods are not desirable. Separation of Concerns Single Responsibility Principle If the GuestbookEntry class should only be responsible for managing single guestbook entries then where should this getActiveEntries() method most properly go? Update: I am looking for an answer that complies with the SOLID acronym principles and allows for test-ability. That's why I want to stay away from static calls/standard functions. DAO, repository, ...? Please explain as though your explanation will be part of "Where to Locate FOR DUMMIES"... :-)

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• Help with tracking sub domain

  - by roobus

  I currently have my app's marketing/external website on the root level, e.g. http://example.com My web app itself is hosted at: http://app.example.com What's the best strategy to set-up Google Analytics tracking for both of them? Should I create a separate web property? Also, what's the difference between creating a new web property and a new profile? UPDATE: I would want to be able to track conversion from a page on the root domain to a sign-up page on the app sub-domain.

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• XNA VertexBuffer.SetData performance suggestions

  - by CodeSpeaker

  I have a 3d world in a grid layout where each grid cell contains its separate vertex and index buffer for the mesh/terrain of that cell. When the player moves outside the boundaries of his cell, i dynamically load more cells in his walking direction based on his viewing distance. This triggers x number of vertex and indexbuffer initializations depending on how many cells that needs to be generated and causes the framerate to drop annoyingly during this time. The generation of terrain data is handled in a separate thread and runs smoothly. The vertex and index buffers are added during the update cycle of the game loop. I´ve tried batching the number of cells to be processed to avoid sending too much data at once into the buffers, which worked ok at a shorter viewing distance (about 9 cells to process), but not as well at greater distances with around 30 cells to process. Any idea how i can optimize this?

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• I have to add Weather extension in my gnome3 toolbar

  - by Housslv

  I want to add a weather extension to my gnome3 toolbar but I cant get anything working. I am using ubuntu 12.10 with gnome3. I tryed to add this sudo add-apt-repository ppa:webupd8team/gnome3 sudo apt-get update sudo apt-get install gnome-shell-extensions-weather but the last command doest work it says that it cant locate such file. I installed this https://launchpad.net/weather-indicator. But I cant seem to get it to show on the gnome toolbar. It only shows here http://img32.imageshack.us/img32/4108/weatherhl.png. Thanks for help!

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• Ubuntu 12.04 fails to find Intel HD Graphics 3000

  - by user69785

  On my Windows 7 installation an Intel HD Graphics 3000 card/driver shows. However in Ubuntu 12.04, System ? Administration ? Hardware Drivers shows no proprietary drivers available for the system. I have tried running the following: sudo apt-get install mesa-utils Which results in the graphics driver incorrectly identifying itself as Sandy Bridge Mobile. Running the following results in no change sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update && sudo apt-get upgrade sudo reboot Does anybody have any information on this behavior?

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• How to prepare for an online job interview (maybe through Skype)?

  - by phunehehe

  I'm applying for a company far away and if I get an interview it will probably be done remotely. I have been searching for advices regarding this but all tips seem to be directed at face-to-face meetings (things like "shake hands firmly"). What are the differences? How can I make the best out of those differences? Update: This is a software developer position, so there's also something about technical questions (such as, I can Google anything that they ask ;) This question also applies to any freelancers who are dealing with customers, or recruiters who are interviewing remotely. I hope that makes it relevant to this site. It may also help if you keep answers programers-related.

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• Particles are not moving correctly [closed]

  - by cr33p

  I want to make a particle explosion, after something gets destroyed, but somehow only one line of mixed colors show up on the screen. Here's the header: http://pastebin.com/JW5bPLj2 Here's the source: http://pastebin.com/KHmFqytD I don't get what's wrong, as it's nearly the same as in "Programming Linux Games" Can somebody help me fix that? PS: "Uint32 delta" is needed to update the pixels based on time. PSS: Maybe I should add that it's programmed in C and includes SDL. EDIT: Found the problem. It was the "drawParticles" function. The problem was, that I passed a double to "offset" (as particles[i].x, etc are all doubles). So I ended up with values like ~MAX_INT because I didn't cast the doubles properly to ints.

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• Unable to install MS Office, wine1.7, and getting updates

  - by spirit

  I am a new ubuntu user, just installed 12.04 LTS. Learned a lot from ubuntu users suggestions on the webs. I am a student and frequent user of MS office. However, I am unable to install MS Office as failing to get updates plus installing wine1.7. sudo apt-get update shows something about unable to connect archive.ubuntu.com and some files failed to download, they have been ignored or older ones have been used instead. sudo apt-get install wine1.7 shows something about unmet dependencies and broken packages.

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• How do I get a Line6 UX1 soundcard to work?

  - by the_drow

  I own a Line6 UX1 soundcard and I would like to make it work for Ubuntu. I have followed the instructions here and it worked. But at some point I upgraded my kernel version (not sure what uname -a prints but it's related) and it stopped working. Here's what uname -a prints: Linux ubuntu 2.6.32-29-generic #58-Ubuntu SMP Fri Feb 11 20:52:10 UTC 2011 x86_64 GNU/Linux I figured out that maybe it's installed per version so I used svn update and hit make again. My guess was right as it copied the relevant files to the new version's folder. I restarted and still nothing. Should I revert to an older version? Or is there a solution here?

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• Dash empy and blank Software Center

  - by fra_casula

  I've Ubuntu 12.10.1 LTS x62 fresh of installation... My dash is empty, search doesn't work and applications list is empty. If I run the Ubuntu Software Center it freeze in a blank screen. I tried with: restart reinstall of unity packages deleting ~/.local/share/zeitgeist folder other tricks found in the other askubuntu answers UPDATE: From ~/.xsession-errors I/O warning : failed to load external entity "/home/francesco/.compiz/session/10699c9c27649d05db134910329935534100000027470033" Initializing session options...done (compiz:2813): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed ** (zeitgeist-datahub:3070): WARNING **: zeitgeist-datahub.vala:227: Unable to get name "org.gnome.zeitgeist.datahub" on the bus! EDIT: Deleting .cache folder solves the Ubuntu Software Center blank screen issue, thanks to jokerdino!!

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• Bug? Flash of white when changing orientation on iOS Safari [migrated]

  - by Baumr

  What causes the flash of white to the right of a responsive design when changing orientation from portrait to landscape on iOS? Try it on iOS6 Safari: Websites like this don't do it: http://html5boilerplate.com But this one does: http://www.initializr.com Something to do with re-processing (CPU lag) to fit a wider screen? It doesn't happen in Chrome for iOS6... Update: I just removed all img and from my testing site, but it still happens. This seems to happen with a lot of different websites out there. Is it a bug with their code, or a Safari for iOS bug? Others are completely immune to it...

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• Radeon HD5570 HDMI Video Card 5.1 Audio doesn't work

  - by ryandlf

  I am using Ubuntu and XMBC on my HTPC and have chosen the Radeon HD5570 Video card which has an HDMI output. In the sound preferences there is no surround sound option for the video card just stereo and although I can get sound through it in XBMC, my receiver does not state Dolby Digital on movies that are in fact Dolby so its definitely not giving me the true sound it should. Does this card not support surround sound through HDMI and I somehow missed it? If that is the case does anyone have suggestion that has been tested and works? Id like to know its going to work before investing in yet another video card. UPDATE I purchased a Nvidia GeForce GTS 450, plugged it in, downloaded the proprietary driver from the system control panel, disabled the onboard audio from the BIOS (not sure if this was necessary but I did it anyways), and changed the sound settings to use the new video card. Everything works flawlessly. It was a seemless setup.

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• Multiple vulnerabilities fixed in Java 7U9

  - by RitwikGhoshal

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2012-5086 10.0 Java 7 Solaris 11.1 10/12 SRU 2.5 CVE-2012-5083 10.0 CVE-2012-5087 10.0 CVE-2012-1533 10.0 CVE-2012-1532 10.0 CVE-2012-1531 10.0 CVE-2012-5076 10.0 CVE-2012-3143 10.0 CVE-2012-5088 10.0 CVE-2012-5089 7.6 CVE-2012-5084 7.6 CVE-2012-3159 7.5 CVE-2012-5068 7.5 CVE-2012-4416 6.4 CVE-2012-5074 6.4 CVE-2012-5071 6.4 CVE-2012-5069 5.8 CVE-2012-5067 5.0 CVE-2012-5070 5.0 CVE-2012-5075 5.0 CVE-2012-5073 5.0 CVE-2012-5079 5.0 CVE-2012-5072 5.0 CVE-2012-5081 5.0 CVE-2012-3216 2.6 CVE-2012-5077 2.6 CVE-2012-5085 0.0 This notification describes vulnerabilities fixed in third-party components that are included in Oracle's product distributions. Information about each CVE can be found on Java SE Critical Patch Update - October 2012 Information about vulnerabilities affecting Oracle products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Is there any complications or side effects for changing final field access/visibility modifier from private to protected?

  - by Software Engeneering Learner

  I have a private final field in one class and then I want to address that field in a subclass. I want to change field access/visibility modifier from private to protected, so I don't have to call getField() method from subclass and I can instead address that field directly (which is more clear and cohessive). Will there be any side effects or complications if I change private to protected for a final field? UPDATE: from logical point of view, it's obvious that descendant should be able to directly access all predecessor fields, right? But there are certain constraints that are imposed on private final fields by JVM, like 100% initialization guarantee after construction phase(useful for concurrency) and so on. So I would like to know, by changing from private to protected, won't that or any other constraints be compromised?

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