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• gsm-ussd gives device busy or error (100)

  - by mydoghasworms

  I am using gsm-ussd to try and query my data balance from my 3G modem. When I issue the commands gsm-ussd -m /dev/ttyUSB0 '*188#' or gsm-ussd -m /dev/ttyUSB2 '*188#' I get either "Device or resource busy" (when it is in used and connected) or "Unknown error (100)". My device (Huawei E173) seems to create 3 devices in /dev, namely ttyUSB0, ttyUSB1 and ttyUSB2. None of them work, and ttyUSB1 gives a somewhat different problem, as it just give the following message: * Wrong modem device (use -m <dev>)? * Modem broken (no reaction to AT)

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• Adding Bzr Launchpad PPA to Ubuntu Hardy

  - by Robery Stackhouse

  I've got TortoiseBazaar installed on my Windows laptop, and I was trying to branch a repository hosted on my VPS to another directory on my VPS, and I got this lovely error: bzr: ERROR: Unknown branch format: 'Bazaar Branch Format 7 (needs bzr 1.6) That lead me to this mailing-list archive: http://osdir.com/ml/bazaar/2009-06/msg00692.html Then I tried following the instructions here to add the Launchpad PPA to /etc/apt/sources.list, but they forgot to mention that you need to do this: sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com D702BF6B8C6C1EFD Which I found out about here after I got this error: GPG error: http://ppa.launchpad.net hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D702BF6B8C6C1EFD after modifying my /etc/apt/sources.list and running: sudo apt-get update Just thought I'd save someone else some pain. And of course, don't forget to uninstall the version of bzr that wouldn't play ball in the first place.

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• Installing old Loki games on 12.04 64-bit results in no audio

  - by FlabbergastedPickle

  All, Here's an interesting problem. I followed instructions provided online for installing Loki Games' Heroes of Might and Magic 3 (see http://www.swanson.ukfsn.org/loki/ and http://wtanaka.com/node/7641) and got it installed and patched to the latest version. However, every time I start it regardless whether the pulseaudio is running, I get the following error: LD_LIBRARY_PATH=/usr/local/lib/Loki_Compat/ /usr/local/lib/Loki_Compat/ld-linux.so.2 /usr/local/games/Heroes3/heroes3.dynamic ALSA lib conf.c:3314:(snd_config_hooks_call) Cannot open shared library libasound_module_conf_pulse.so ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM default Couldn't open audio: My first soundcard is HDMI output and my second one is the actual soundcard (HP DM1 running 12.04 64-bit with latest updates). I did set up /etc/asound.conf as follows: asound.conf pcm.!default { type hw card 1 } ctl.!default { type hw card 1 } So, the default soundcard should work ok. Between Shadowgrounds that also stopped working and this it appears a there may be some unfinished business/regressions in 32-bit support on 64-bit systems in 12.04. Any thoughts?

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• Is there a phrase or word to describe an algorithim or programme is complete in that given any value for its arguments there is a predictable outcome?

  - by Mrk Mnl

  Is there a phrase to describe an algorithim or programme is complete in that given any possible value for its arguments there is a predicatable outcome? i.e. all the ramifications have been considered whatever the context? A simple example would be the below function: function returns string get_item_type(int type_no) { if(type_no < 10) return "hockey stick" else if (type_no < 20) return "bulldozer" else return "unknown" } (excuse the dismal pseudo code) No matter what number is supplied all possibiblites are catered for. My question is: is there a word to fill the blank here: "get_item_type() is ______ complete" ? (The answer is not Turing Complete - that is something quite different - but I annoyingly always think of something as "Turing Complete" when I am thinking of the above).

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• handling a GET error properly

  - by Andrew Heath

  I have a website that takes two primary get strings: ?type=GAME&id=SomeGameID ?type=SCENARIO&id=SomeScenarioID for reasons unknown, I have recently begun receiving requests for erroneous get strings from both Yandex and Baidu. They are always in the form of: ?type=GAME&id=SomeScenarioID None of my users are triggering these errors, so I am (sort of) confident that this is not due to an HTML template error somewhere on my part. There is also no HTTP_REFER showing up in the $_SERVER array, so I'm guessing these are direct requests from bad dbase data on their part. I see two options for dealing with these bad requests, and would like to know which is recommended... or if there are other, better options I have not thought of: simply 404 the request, since it is incorrect redirect the request to ?type=SCENARIO&id=SomeScenarioID because the scenario IDs are always valid, the breakage is due to asking for the wrong type.

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• How to make "xrandr" work with GMA500?

  - by Nwbie

  Is it error at driver of graphic chip or Xorg or kernel? I am Asus T91mt with GMA500, Ubuntu 12.04.1. I would like too see only a notice of connection at least. A log of xrandr: $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation System Corporation System Controller Hub (SCH Poulcbo) Graphics Controller (rev 07) vp@vc:~$ xrandr --verbose xrandr: Failed to get size of gamma for output default Screen 0: minimum 1024 x 600, current 1024 x 600, maximum 1024 x 600 default connected 1024x600+0+0 (0x138) normal (normal) 0mm x 0mm Identifier: 0x137 Timestamp: 26863 Subpixel: unknown Clones: CRTC: 0 CRTCs: 0 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: 1024x600 (0x138) 0.0MHz *current h: width 1024 start 0 end 0 total 1024 skew 0 clock 0.0KHz v: height 600 start 0 end 0 total 600 clock 0.0Hz vp@vc:~$ xrandr --prop xrandr: Failed to get size of gamma for output default Screen 0: minimum 1024 x 600, current 1024 x 600, maximum 1024 x 600 default connected 1024x600+0+0 0mm x 0mm 1024x600 0.0* vp@vc:~$ Please help, i am linux newbie and i am tired ;/

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• How to install drivers for NVIDIA GeForce FX 5200 on Precise

  - by Aaron Simmons

  Ok, I'm a total Linux noob. I was able to install 12.4 without issue, except that it says in the system settings that the graphics card/driver is "unknown". I have NVIDIA GeForce FX 5200, and have not been able to get it installed. I've found the driver at NVIDIA but couldn't figure out how to actually install it. I found instructions that used apt-get to automatically find the current driver and install it, and that came close. At least then it showed up in the 3rd party drivers list. It said it was installed but not being used? And I was unable to find out why that might be, or how to get the system to use it Two questions: 1. CAN/SHOULD my graphics card work with 12.4? 2. If so, HOW? I'm running a 100% fresh install, so what's the step-by-step from there?

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• Do programmers possess the means of production?

  - by Peter Turner

  I was listening to The Servile State by Hilare Belloc this morning and pondering whether or not I possessed the means of production, as did the peasant of the middle ages; as did not his descendants after the oligarchs of England forced him into servility. The means of production was the arable land that the serf was seated on, which even though not legally his, was illegal to evict him from. So, as programmers, with the hither-to-unknown supply of free tools and resources, have we reclaimed as a class of workers, unlike any others, the means of production. Given the chance, a midrange PC and a stable internet connection, could we not each of us be wholly self sufficient and not just wage earners?

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• Do programmers possess the means of production? [closed]

  - by Peter Turner

  I was reading (err listening) to The Servile State by Hilare Belloc this morning and pondering whether or not I possessed the means of production, as did the peasant of the middle ages; as did not his descendants after the oligarchs of England forced him into servility. The means of production was the arable land that the serf was seated on, which even though not legally his, was illegal to evict him from. So, as programmers, with the hither-to-unknown supply of free tools and resources, have we reclaimed as a class of workers, unlike any others, the means of production. Given the chance, a midrange PC and a stable internet connection, could we not each of us be wholly self sufficient and not just wage earners?

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• Impact of variable-length loops on GPU shaders

  - by Will

  Its popular to render procedural content inside the GPU e.g. in the demoscene (drawing a single quad to fill the screen and letting the GPU compute the pixels). Ray marching is popular: This means the GPU is executing some unknown number of loop iterations per pixel (although you can have an upper bound like maxIterations). How does having a variable-length loop affect shader performance? Imagine the simple ray-marching psuedocode: t = 0.f; while(t < maxDist) { p = rayStart + rayDir * t; d = DistanceFunc(p); t += d; if(d < epsilon) { ... emit p return; } } How are the various mainstream GPU families (Nvidia, ATI, PowerVR, Mali, Intel, etc) affected? Vertex shaders, but particularly fragment shaders? How can it be optimised?

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• [Silverlight] How to choose the webcam resolution

  - by Benjamin Roux

  Hello, Today I’m gonna show you how to choose the webcam resolution when using Silverlight. By default most of them are in 640x480 which can be sometimes insufficient. VideoCaptureDevice source = devices.SelectedItem as VideoCaptureDevice; source.DesiredFormat = new VideoFormat(PixelFormatType.Unknown, 4096, 4096, 30); The magic thing with this line, is that the camera will choose the best resolution available (and not absolutely 4096x4096). You can also get all the supported formats using the SupportedFormats property. Hope this help.

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• How to retrieve data from a corruped volume

  - by explorex

  Hi, My Ubuntu 10.10 just crashed(probably due to hardware error and in the end I was getting error like Unknown filesystem ..... grub> .. GRUB console before i could take some action) and i reinstalled the same version form USB stick. I had ubuntu installed in ext4 file system and I am also having the same filesystem in the same hard disk on different drive. When I try to access my previous filesystem, i get error Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda6, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so I had some important files in the previous volume, I don't know how to retrieve them. And what are the chances that I would get the same outcome (hardware error)? Please help me!

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• How to recover data from NTFS partition that was made into a Swap partition?

  - by Raghav Mehta

  I have extremely important stuff on my windows partition which during the ubuntu 10.10 installation,when it said that I should create something called swap space, I selected it to be a swap space (without even knowing what it actually meant) The Grub2 doesn't show up so I don't get a choice to boot Ubuntu or Windows. I don't get my windows partition as a removable device in Ubuntu either. When I go to disk utility and select the sda2 (i.e.. my windows partition) and click edit partition and select HPFS/NTFS for the type and tick bootable and click OK the small processing sign keep on rotating on the bottom right of the sda2 in the chart and after about 10 to 15 minutes it gives an unknown error and thus, I am still unable to use my windows. I am even worse than a beginner who doesn't know a thing about Ubuntu so please be patient and help me out.

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• How should I select continuous integration tool?

  - by DeveloperDon

  I found this cool comparison table for integration servers on Wikipedia, but I am a little uncertain how to rank the tools vs. my needs and interests. The chart itself seems to have a lot of boxes marked unknown, so if you are comfortable updating it on Wikipedia, that could be great too. Are there a few top performing products so I can quickly narrow down to four or five options? Which products seems to have the largest user communities and most ongoing enhancements and integration with new tools? Are the open source offerings best, or are there high quality tools that can be a great deal for a single user at home? Will use of multiple systems (primary desktop, local only home network server, personal and work notebooks, multiple virtual machines spread across all) create problems and how can they be managed?

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• HTG Explains: How the SmartScreen Filter Works in Windows 8

  - by Chris Hoffman

  Windows 8 includes a SmartScreen filter that prevents unknown and malicious programs from running. SmartScreen is part of Internet Explorer 8 and 9 – with Windows 8, it’s now integrated into the operating system. SmartScreen is a useful security feature that will help prevent bad applications from running, but it may occasionally prevent a legitimate application from running. SmartScreen reports some information to Microsoft, so it may have some privacy implications. HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• Uploading a non-finished website

  - by Daniel

  I have a pretty basic question. I developed a neet little website wich I'm ready to upload, but still needs a bit of work. The designer needs the html to do his work so the website needs to be uploaded. Besides that, I have to correct a couple details, do the friendly-urls, etc. What's the best way to set up the webpage in the definitive hosting with the defintive domain, blocking it to any unknown users and without affecting affecting SEO and those kind of things. If I were to just upload it, the non-definitive website might be crawled by a SE-bot. Thanks!

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• Wifi problem in ubuntu using macbook pro when it restart

  - by Amro

  I was read that subject : http://ubuntuforums.org/showthread.php?t=2011756 and i follow it step by step in the page n 1 , then i was connect but after i restart my macbook again , i was lost the wifi connection.i dont know why or whats the problem exactly. every time I run this command: dmesg | grep -e b43 -e bcma I get this output: [ 2012.769684] bcma-pci-bridge 0000:02:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 2012.769701] bcma-pci-bridge 0000:02:00.0: setting latency timer to 64 [ 2012.769775] bcma: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x25, class 0x0) [ 2012.769808] bcma: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x1D, class 0x0) [ 2012.769889] bcma: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x13, class 0x0) [ 2012.770175] bcma: PMU resource config unknown for device 0x4331 [ 2012.824527] bcma: Bus registered [ 2012.831744] b43-phy0: Broadcom 4331 WLAN found (core revision 29) [ 2013.371031] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07) and to get the connection again every time i must entery that code in the step of reload driver. How i can let the ubuntu see my wifi and wireless device automatically when i reboot my computer????

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• How to add a link group to update-alternatives?

  - by Kurtosis

  Is it possible to add a custom link group to update-alternatives that is not already there by default? For example, I want to add Scala and all its supporting binaries as a link group 'scala'. I'm trying using this script, but keep getting the error: update-alternatives: error: unknown argument `' I'm not sure what that means, but after troubleshooting the script a bit with no luck, I'm wondering if update-alternatives has a hard-coded list of link groups, that can't be added to, and that doesn't include scala. PS - any chance someone with higher karma can create an update-alternatives tag? Seems this topic gets a decent number of questions, but no tag for it.

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• How to convert a Bazaar repository to GIT repository?

  - by Naruto Uzumaki

  We have a large bazaar repository and we want to convert it to a git repository. The bazaar repository contains the folders of each of the interns. Any documentation/code prepared by interns is committed in their directory so there are a huge number of commits. What steps should be performed to securely convert the bazaar repository to a git repository so that we do not lose any commit information. We firstly need to create a backup of the existing bazaar repository and then convert it. Edit: I followed this link: http://librelist.com/browser//cville/2010/2/9/migrate-repository-bzr-to-git/ It's working fine on my system with Ubuntu. But when I try to run it on the actual server it gives me EOF error and crashes Starting export of 1036 revisions ... fatal: EOF in data (1825 bytes remaining) fast-import: dumping crash report to .git/fast_import_crash_11804 Edit 2: I also tried it on a new CentOS system and received the following error fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree. Use '--' to separate paths from revisions

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• rsync not working between NTFS/FAT and EXT

  - by wim

  I have music that I play in my car, from an FAT32 USB stick. The folder which I use to put songs on is stored on my EXT4 hard drive. I add/remove/retag songs regularly and occassionally want to rsync the changes to the USB stick. But for some unknown reason (maybe permissions?), rsync copies all the files every time rather than just changed ones. I am calling rsync like : rsync -vrlptgD source dest How can I make it work like I want it to (i.e. know when a file hasn't been changed and don't copy it)?

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• Ubuntu One stuck and doing nothing - help!!!

  - by Laurence Nagel

  Ubuntu One has worked fine for me for several weeks and I now have 8.2 GB of files in the clouds. Then, last night, Ubuntu One stopped working. When I fire up System-Preferences-Ubuntu One, It tells me that I have 8.2 GB stored (13.2 %) and the my status in Unknown. I've tried Restart to no avail. I even tried Remove, followed by clearing the password ring and starting over. Still nothing. I've run out of buttons to push.

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• How can I convert .mp4 files to .3gp using ffmpeg?

  - by harisibrahimkv

  I would like to download a few videos from youtube and convert them to 3gp so that I can play them on my phone. I would like to know how this can be done using ffmpeg. I tried the various results on the net only to get the following errors. I used: ffmpeg -i dil.mp4 -sameq -ab 64k -ar 44100 dilenada.3gp I got: Unsupported codec for output stream #0.1 Seems stream 0 codec frame rate differs from container frame rate: 2000.00 (2000/1) - 29.92 (359/12) I used: ffmpeg -y -i dil.mp4 -r 20 -s 352x288 -b 400k -acodec libfaac -ac 1 -ar 2000 -ab 24k dilenada.3gp I got: Seems stream 0 codec frame rate differs from container frame rate: 2000.00 (2000/1) -> 29.92 (359/12) Unknown encoder 'libfaac' What am I doing wrong?

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• Apt-get take long time to update\upgrade

  - by ShockwaveNN

  On my work network any apt-get (or aptitude) commands take a very long time, it's look's like admins blocked some port for it (for unknown reason). For example sudo apt-get update take like 2 days and all I get - a very long list of responses like Get: 36 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 37 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 38 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 39 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 40 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Same situation then I try to download software Get:1 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:2 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:3 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:4 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:5 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Is there something I can do to change port for apt-get or something else

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• Part of the launcher has been cut off, Ubuntu 12.04

  - by Tim

  After a hard drive failure on my iMac, I replaced it and installed Ubuntu. So far, I am finding it very easy to use, however there is one problem which is making it much harder. The bottom of the launcher is missing - it is 'covered' by the desktop background. This means that I cant see the trash, or bottom few icons. Even if I scroll, it doesn't show it. Any help is very much appreciated. If you send a message to [email protected], with the subject "launcher photo", I will send you an email with the photo of the missing part attached. Currently, my only fix is to enable and then disable the extra screen it thinks is there - called unknown device

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• SQL Peer-to-Peer Dynamic Structured Data Processing Collaboration

  Unstructured and XML semi-structured data is now used more than structured data. But fixed structured data still keeps businesses running day in and day out, which requires consistent predictable highly principled processing for correct results. For this reason, it would be very useful to have a general purpose SQL peer-to-peer collaboration capability that can utilize highly principled hierarchical data processing and its flexible and advanced structured processing to support dynamically structured data and its dynamic structured processing. This flexible dynamic structured processing can change the structure of the data as necessary for the required processing while preserving the relational and hierarchical data principles. This processing will perform freely across remote unrelated peer locations anytime and transparently process unpredictable and unknown structured data and data type changes automatically for immediate processing using automatic metadata maintenance.

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