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  • No Wireless In Ubuntu 13.10 (maybe Need Wireless Driver) [duplicate]

    - by viktorhubinette
    This question already has an answer here: No Wireless In Ubuntu 13.10 2 answers hi after updating to ubuntu 13.10 i cant see the wireless networks on the network meny so what should i do ? tell me some commands you need to see to solve the problem. Thanks (i maybe need a wireless driver becouse i installed one when i haved 12.04 becouse i could not connect to wireless before too) i cant connect to wireless that my problem so what do i need to do to get this wireless working again? some outputs lsmod | grep rt1 nothing sudo modprobe rt18192cu FATAL: Module rt18192cu not found. iwconfig eth0 no wireless extensions. lo no wireless extensions. sudo iwlist wlan0 scan wlan0 Interface doesn't support scanning. rfkill list all nothing

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  • How to use OpenGL functions from multiples thread?

    - by Robert
    I'm writing a small game using OpenGL. I'm implementing basic networking in this game and I'm facing a problem. I have a thread in my client socket class that check for available data, when there are data I raise an event like this : immutable int len = this.m_socket.receive(data); if(len > 0) { this.m_onDataEvent(data); } Then on my game class, I have a function that handle and parse data like this : switch(msgId) { case ProtocolID.CharacterData: // Load terrain with opengl, character model.... Im not able to call opengl functions because my opengl context is created from a different thread. But I really don't know how I can solve this problem, I tried Google but it's really hard to find a solution. I'm using D programming language if it can help.

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  • ubuntu 12.04 returns to login screen on resume from suspend. Is there a fix?

    - by Chad
    When I resume from a suspend, Ubuntu 12.04 will come back ok for about 10 seconds, and then the screen blanks out. After about another second or so, it returns to the login screen for Unity 2d. It normally runs Unity 3d. How can I fix this? I've lost a lot of work from this problem. I sometimes get a error report window asking me to report a Compiz crash after rebooting. I think it may be Compiz or the Xorg server causing the problem. I'm not really sure. Thanks if you can provide help.

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  • Dropbox indicator icon dissapears right after login

    - by garvamel
    Even though Dropbox's app indicator dissapearing from the tray area seems like a recurrent enough problem, my issue is a litte different. When I login, I can see the app panel populating, and the dropbox icon does indeed appear (config'd as startup application), but after some other icons show up (bluetooth, battery, etc.) it's gone. It's still running though. I'm guessing it's having issues with staying pinned, and I don't know how to start addressing this problem. I have tried many if not all solutions provided here in the forums for the "icon missing" questions. So far: I've whitelisted everything regarding panel Uninstalled-reinstalled (with and without rebooting in between) Overwritten current installation Purged installation from terminal Installed from Software Center and from .deb file batch deleted every "dropbox" ocurrences from terminal (files and folders) and reinstalled Ran sudo apt-get install libappindicator1, it installed, but didn't solve anything I'm on Ubuntu 12.04 LTS - 64 bits. Any insight would me much appreciated!

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  • SQL Server Express Profiler

    - by David Turner
    During a recent project, while waiting for our Development Database to be provisioned on the clients corporate SQL Server Environment (these things can sometimes take weeks or months to be setup), we began our initial development against a local instance on SQL Server Express, just as an interim measure until the Development database was live.  This was going just fine, until we found that we needed to do some profiling to understand a problem we were having with the performance of our ORM generated Data Access Layer.  The full version of SQL Server Management Studio includes a profiler, that we could use to help with this kind of problem, however the Express version does not, so I was really pleased to find that there is a freely available Profiler for SQL Server Express imaginatively titled ‘SQL Server Express Profiler’, and it worked great for us.  http://sites.google.com/site/sqlprofiler/

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  • Tile-wide extent tracing on a grid.

    - by Larolaro
    I'm currently working on A* pathfinding on a grid and I'm looking to smooth the generated path, while also considering the extent of the character moving along it. I'm using a grid for the pathfinding, however character movement is free roaming, not strict tile to tile movement. To achieve a smoother, more efficient path, I'm doing line traces on a grid to determine if there is unwalkable tiles between tiles to shave off unecessary corners. However, because a line trace is zero extent, it doesn't consider the extent of the character and gives bad results (not returning unwalkable tiles just missed by the line, causing unwanted collisions). So what I'm looking for is rather than a line algorithm that determines the tiles under it, I'm looking for one that determines the tiles under a tile-wide extent line. Here is an image to help visualise my problem! Does anyone have any ideas? I've been working with Bresenham's line and other alternatives but I haven't yet figured out how to nail this specific problem.

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  • Slow on browsing web, but normal when using apt-get

    - by Arif Setyawan
    I have a problem with my fresh instalation of Ubuntu 11.10. The problem happen when i start up my browser and accessing website such google, askubuntu.com, facebook and other sites. frustate on the situation i try watch the progress in system monitor. the result from monitor shows that there is no data transfer when i try to accessing the page. firstly, i assume that it is the trouble from my ISP or my home connection. But it is not. When i try pinging google it shows transaction between my computer and the network but still null from browser. Then i tried to test the aptitude and it was work fine but still the browser won't recieve any packet from the internet. Here is the detail of my tools : Laptop : Toshiba Satellite e205 (network card atheros) Operating System : Ubuntu 11.04 dual booted with Win7 Browser : Mozilla Firefox comes up with the Ubuntu 11.10 installation Chrome : Last version (just yesterday install it) Thank You before :) [this question posted via win]

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  • Very few visitors on Analytics: incorrect setting?

    - by Akaban
    it's quite a long time Analytics is making me crazy: I have a 2 years old website, started with Aruba (an Italian provider) and then transfered on Hostgator. It's a blog Wordpress + MyBB forum, and on both the platforms I've the Analytics code in the footer. The problem is that the stats on Analytics are simply ridiculous compared to the numbers reported by the Aruba (before) and Hostgator (then). I think that the numbers of Aruba/Hostgator are correct, simply because just the daily users connected on the forum is higher than the Analytics numbers. I know it's a really confused request, but maybe you can help me to understand what's the problem.

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  • Bug once in a while,but high priority

    - by Shirish11
    I am working on a CNC (computer numerical control) project which cuts shapes into metal with help of laser. Now my problem is once in a while (1-2 times in 20 odd days) the cutting goes wrong or not according to what is set. But this causes loss so the client is not very happy about it. I tried to find out the the cause of it by Including log files Debugging Repeating the same environment. But it wont repeat. A pause and continue operation will again make it to run smoothly with the bug reappearing. How do I tackle this issue? Should I state it as a Hardware Problem?

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  • Is it a bad practice to register sntsh.com if my name is Santosh?

    - by Santosh
    My name is Santosh but I can't register a santosh.com because it is already taken. Most extensions for Santosh are already taken. I was trying to register a domain with .sh extension but santo.sh would cost me very high and I can't afford ~$100 for just a personal domain and that's only for one year only. Now I am thinking that I should register a sntsh.com. But there is a problem, will sntsh.com over my name Santosh don't create a SEO problem? One more thing, that totally different from above topic. If I register a santosh.name domain which is not registered, won't it create copyright and any legal problems with other santosh domains?

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  • Microsoft LifeCam Audio Issue

    - by Daniel Samson
    Running Ubuntu 12.04.1 LTS 32-bit on a computer with an Intel core i5 processor, 4GB RAM and a NVIDIA 450GTS Graphics card. I am trying to set up Skype with my webcam. So far everything works almost perfectly, however my Microsoft LifeCam-VX700 v2.0 audio does not work correctly. The audio feed is just static/white noise. I have checked the hardware using windows and it worked perfectly there. The video works great in Ubuntu. It is just the audio that is the problem. What can I do to rectify this problem?

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  • Mouse and keyboard stop working after suspend or screensaver lock

    - by LEo
    If I leave the computer and let it run into screensaver and lock the screen, the mouse left click won't go back to work. If I suspend the computer, the keyboard won't get back to work. It started after upgrading to Ubuntu 11.04. Any tips to solve this problem? The follwing lines I got on dmesg after the problem happened [30536.564415] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.565725] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.568466] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.569790] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.571123] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.571126] psmouse.c: issuing reconnect request and that after I tried to plug again my USB mouse: [31570.040088] usb 6-1: USB disconnect, address 2 [31573.490095] usb 6-1: new low speed USB device using uhci_hcd and address 3 [31573.687376] input: Microsoft Basic Optical Mouse as /devices/pci0000:00/0000:00:1d.1/usb6/6-1/6-1:1.0/input/input12 [31573.687544] generic-usb 0003:045E:0084.0002: input,hidraw0: USB HID v1.10 Mouse [Microsoft Basic Optical Mouse] on usb-0000:00:1d.1-1/input0

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  • Changing the default program for an application

    - by mohamad
    I have installed MonoDevelop and after that Wine, but when I want to open an EXE file and then double click on it, it always runs with the Mono runtime, and if I want to run it with Wine, I should right click on it and choose Wine. Well, in properties and in Open With there isn't Wine that choose it for the default application... I have this problem for all types of applications and files. When the software you want to run is in the right click application (Open With), I can't choose it in properties for the default. In fact, I can't find it in properties, because it is in open with option in right click... What should I do to fix this problem? I'm running Ubuntu 12.10 (Quantal Quetzal), 32 bit.

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  • Ripping MP3s in Rhythmbox Ubuntu 12.10 (64 bit)?

    - by James Fellows Yates
    I installed a couple of days ago Ubuntu 12.10 (64 bit). I today tried ripping a CD in the MP3 format. However, whenever I try to rip, it says it is missing an extra multimedia plugin "Gstreamer extra plug-ins (i386)". I then try to install the :i386 version of the gstreamer-ugly plugins, but then I get the same problem but with the id3-demuxer (or something similar) The Terminal output I get from both problems (but replace the "MPEG-1 Layer 3 (MP3) encoder" with the "ID3-demuxer" name) is: james@clefairy:~$ rhythmbox (rhythmbox:24122): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed Rhythmbox-Message: Missing plugin: gstreamer|0.10|rhythmbox|MPEG-1 Layer 3 (MP3) encoder|encoder-audio/mpeg, mpegversion=(int)1, layer=(int)3 /usr/lib/python2.7/dist-packages/gobject/constants.py:24: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed import gobject._gobject It doesn't help that each time I have to install/remove the entire Gstreamer-ugly collection each time - I can't find that specific file. The CD plays fine, it's the ripping plugin that doesn't seem to work. I didn't have this problem previously on 12.04 (64 bit).

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  • XNA: SpriteFont question

    - by Zukki
    Hi everyone, I need some help with the SpriteFont. I want a different font for my game, other than Kootenay. So, I edit the SpriteFont xml, i.e: <FontName>Kootenay</FontName> or <FontName>Arial</FontName> No problem with Windows fonts, or other XNA redistributable fonts pack. However, I want to use other fonts, that I downloaded and installed already, they are TTF or OTF, both supported by XNA. My problem is, I cant use them, I got this error: The font family "all the fonts i tried" could not be found. Please ensure the requested font is installed, and is a TrueType or OpenType font. So, checking at the windows fonts folder, I check the properties and details of the fonts, I try all the names they have, and but never works. Maybe I need some kind of importing or installing in order to use them, I dont know, and I hope you guys can help me, thanks!

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  • Intel Atom D425 Problems

    - by Nico
    I have recently bought an Intel Atom D425 mini itx board with OCZ 30 Gig SSD and 1 Gig DDR3 ram. I have installed Ubuntu 10.04 and Crunchbang Statler ok; works fine in both. I tried to install Xubuntu 12.04, Ubuntu 12.04, and Mint 13 Mate. All of those 3 start up, but as soon as you get to install it all goes wrong and the monitor says input not supported. Is it an Intel Atom D425 problem, an Ubuntu problem, or something else? All help would be much appreciated Regards Nico

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  • Nokia Bluetooth headset Bh 503 not recognized

    - by euDennis
    I bought an Nokia Bluetooth Phone Bh 503. It works just fine with my Android phone, but with Ubuntu it even get recognized. I already paired the Ubuntu with my Android, but with the bluetooth phone it even find it. What can be the problem? Already search in Google for answers, but almost always the problem is with bluetooth that doesn't work, but in my case it works, but not with the headset. Already install almost all packages about bluetooth, like blueman, bluez, gnome-bluetooth, bluetooth, etc.

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  • How can I stop LibreOffice from randomly crashing?

    - by Sam Mercier
    Libreoffice keeps on crashing randomly. It will do this when I am typing and when I am switching desktops or anything. There is no patter to it. I need some help here. Anyone had this problem or problem similar to it? Anyone have found a fix. Also it seems to happen especially prominently after my screensaver has started. I would say it happens about 97% of the time after that. This is an annoying bug and is keeping my productivity low.

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  • Why does Ubuntu delay a lot on booting?

    - by UbuntuUser2013
    I have a problem. My Ubuntu delays a lot to boot, my computer is 4GB RAM, Core2Duo 3.2Ghz This is my bootchart: http://img841.imageshack.us/img841/138/desktopmvx.png I can't understand what is the problem. Thank you. Original question in spanish: Por que tarda tanto el arranque de ubuntu? Hola les comento que tengo un problema mi ubuntu tarda demasiado arrancando, mi computadora es 4GB Ram, core2duo 3.2ghz Este es mi bootchart http://img841.imageshack.us/img841/138/desktopmvx.png No entiendo cual es el problema. Gracias!

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  • problems with studying algorithms

    - by rookie
    hello everyone, I'm currently studying computer science at the Institute, and I have some problems with course which is named Algorithms, I've just begun to study it, but I'm already feeling, that I'm going to fail it, my problem is that while understanding different algorithms on graphs I need to keep in my mind a lot of info, and usually I can't do it, I forget some points of the exercise or can't proceed to final result, I'm very desperate about it cause I like programming very much. Did somebody feel the same while studying in the University? thanks in advance for any help P.S. I began to program only two years ago, may it be the problem?

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  • USB sound device not recognized

    - by David E. Anderson
    I have a USB sound device that used to work back when I ran other versions of Ubuntu. Now I can only partially see the device. I have tried many things I saw in Google searches, but none solve my problem. cat /proc/asound/cards sees the device as card 0 aplay -l shows C-Media USB Audio as card 0 alsamixer sees the device asoundconf list does not show the device sound preferences shows no hardware asoundconf-gtk set the device to pulseaudio, but fails with python errors ending in ValueError: too many values to unpack in the function set_default_card. I think this is the cause of my problem. The device is a Sony virtual phones wireless headphone amplifier.

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  • Keyboard freezes when xorg crashes

    - by gsedej
    Situation is like that. Many times has happened that Xorg freezes and with it also keyboard. Quite some times because of some Compiz effects or Flash (fullscreen switch). Keyboard becomes totaly unresponsive, while mouse still works (I can move cursor, but can't click since desktop freezes) and music still plays and I can connect trough ssh. This is the only way I know I can try to solve problem - either by killing browser&flash or lastly restarting xorg server. This problem appears on more than one Ubuntu computer. My home dekstop with proprietery nvidia driver, on my work where I use noveau driever (opensource driver for geforce) and sometimes (but rarely) also on laptop with ATI graphics (using r300g driver which is really good!). Can someone explains why mouse still works while I can't input from keyboard? (I can't switch to virtual console or do R-E-I-S-U-B command) I have USB keyboard and USB mouse.

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  • "Bad apple" algorithm, or process crashes shared sandbox

    - by Roger Lipscombe
    I'm looking for an algorithm to handle the following problem, which I'm (for now) calling the "bad apple" algorithm. The problem I've got a N processes running in M sandboxes, where N M. It's impractical to give each process its own sandbox. At least one of those processes is badly-behaved, and is bringing down the entire sandbox, thus killing all of the other processes. If it was a single badly-behaved process, then I could use a simple bisection to put half of the processes in one sandbox, and half in another sandbox, until I found the miscreant. This could probably be extended by partitioning the set into more than two pieces until the badly-behaved process was found. For example, partitioning into 8 sets allows me to eliminate 7/8 of the search space at each step, and so on. The question If more than one process is badly-behaved -- including the possibility that they're all badly-behaved -- does this naive algorithm "work"? Is it guaranteed to work within some sensible bounds?

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  • On the art of self-promotion

    - by Tony Davis
    I attended Brent Ozar's Building the Fastest SQL Servers session at Tech Ed last week, and found myself engulfed in a 'perfect storm' of excellent technical and presentational skills coupled with an astute awareness of the value of promoting one's work. I spend a lot of time at such events talking to developers and DBAs about the value of blogging and writing articles, and my impression is that some could benefit from a touch less modesty and a little more self-promotion. I sense a reticence in many would-be writers. Is what I have to say important enough? Haven't far more qualified and established commentators, MVPs and so on, already said it? While it's a good idea to pick reasonably fresh and interesting topics, it's more important not to let such fears lead to writer's block. In the eyes of any future employer, your published writing is an extension of your resume. They will not care that a certain MVP knows how to solve problem x, but they will be very interested to see that you have tackled that same problem, and solved it in your own way, and described the process in your own voice. In your current job, your writing is one of the ways you can express to your peers, and to the organization as a whole, the value of what you contribute. Many Developers and DBAs seem to rely on the idea that their work will speak for itself, and that their skill shines out from it. Unfortunately, this isn't always true. Many Development DBAs, for example, will be painfully aware of the massive effort involved in tuning and adding resilience to rapidly developed applications. However, others in the organization who are unaware of what's involved in getting an application that is 'done' ready for production may dismiss such efforts as fussiness or conservatism. At the dark end of the development cycle, chickens come home to roost, but their droppings tend to land on those trying to clear up the mess. My advice is this: next time you fix a bug or improve the resilience or performance of a database or application, make sure that you use team meetings, informal discussions and so on to ensure that people understand what the problem was and what you had to do to fix it. Use your blog to describe, generally, the process you adopted, the resources you used and the insights that came from your work. Encourage your colleagues to do the same. By spreading the art of self-promotion to everyone involved in an IT project, we get a better idea of the extent of the work and the value of the contribution of all the team members. As always, we'd love to hear what you think. This very week, Simple-talk launches its new blogging platform. If any of this has moved you to 'throw your hat into the ring', drop us a mail at [email protected]. Cheers, Tony.

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  • Skype no sound on Kubuntu 13.10

    - by Michael Aquilina
    I just performed a fresh install of Kubuntu 13.10 on my machine. Everything is working great except for Skype. I cannot get any form of audio playback in Skype. In the sound settings panel I get a bunch of different sound sources, none of which work! At the moment I have set it to "sysdefault (unknown)" I installed it using the deb package found on the official website. My phonon backend is using phonon-gstreamer. When running skype from the terminal I get the following error messages: ALSA lib control.c:953:(snd_ctl_open_noupdate) Invalid CTL plughw:CARD=PCH ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave Is this a known problem or has anyone experienced the problem and managed to solve it?

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