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• Can't boot Ubuntu 12.04

  - by carlo

  I installed 12.04 on my windows vista laptop. I wanted to make run Ubuntu and ditch windows. I selected to delete disk and install 12.04. It won't let boot 12.04 with out the install disk. When I turn on my laptop now it goes to a black screen with a blinking cursor. I have to power off then insert Ubuntu 12.04 cd as if it wants me to reinstall. I checked the drive and Ubuntu is there with some of my other saves as well. Can someone help me please?

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• Codestock: Apparently Powershell ain't got the power

  - by Theo Moore

  I checked on the status of voting on the Codestock (www.codestock.org) site this week. I was surpised to see that none of the Powershell sessions were among leaders in voting. Now, I confess that I am somewhat biased (my session is on Powershell), but that said, I thought it odd. I was under the impression that Powershell had a strong following and that many people were using it. I suppose the voting reflects a stronger developer community that might not make use of Powershell to degree some others might. I am a huge fan of Powershell and I am constantly impressed with the things it can do. In my case, I use it as lightweight functional testing harness for web pages. I use it in this capacity at work and for work I do for the Carbonated Comics (www.carbonatedcomics.com) site as well. If anyone still hasn't registered, do us a favor and vote for a Powershell session, K?

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• Will having many timers affect my game performance?

  - by iQue

  I'm making a game for android, and earlier today I was trying to add some cool stuff to my game. The problem is this thing needs like 5 timers. I build my timers like this: timer += deltaTime; if(timer >= 2.0f){ doStuff; timer -= 2.0f; } // this timers gets stuff done every 2 secs Will having to many timers like this, getting checked every frame, screw up my games performance? The effect I wanted to add was a crosshair every 2 sec, then remove it after 2 sec and do a timed animation. So an array of crosshairs dependent on a bunch of timers to be exact. This caused my game to shut down when used, so thats why Im wondering if using that many timers causes my game to flip out.

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• Ajax does not send the data to my php file [migrated]

  - by Mert METIN

  I try to send my data to php file but does not work. This my ajax file var artistIds = new Array(); $(".p16 input:checked").each(function(){ artistIds.push($(this).attr('id')); }); $.post('/json/crewonly/deleteDataAjax2', { artistIds: artistIds },function(response){ if(response == 'ok') alert('dolu'); elseif (response == 'error') alert('bos'); }); and this is my php public function deleteDataAjax2() { extract($_POST); if (isset($artistIds)) $this->sendJSONResponse('ok'); else $this->sendJSONResponse('error'); } However, my artistIds in php side is null. Why ?

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• Hamachi² configuration file... Where is it?

  - by Cinaed666

  I recently installed hamachi² and haguichi on my 10.10 machine. It works, but it loses its connection every few minutes and I have to reconnect. I looked into this, and apparently I need to set the KeepAlive in the configuration file to 100. This shouldn't be a hard task, so I looked for the hamachi directory. I checked the obvious place: /home/username/.hamachi ... but this directory doesn't exist. (Yes, I did enable hidden files.) After doing a file search for hamachi, it returned nothing either. I'm in the dark here, what am I missing?

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• How do I enable Flash 11.2 in Chrome?

  - by austen

  I'm trying to force Chrome to use Flash 11.2 rather than the packaged Pepper version because it doesn't support DRM and I want to be able to use Amazon Instant Video/HBO GO. I followed Adobe's instructions to a tee but when I restart Chrome and view the plugins, the Pepper flash version is still the only one available. I have expanded the details and am certain I have not just missed the other version. I checked the directories where the files were being copied to verify that it worked and it appears that they successfully copied without issue. Unfortunately, since I didn't run into any problems until finding that it just didn't work, I don't have many other details that might help shed some light on this. I'm crossing my fingers though and hoping that someone else might have had some experience with this. Thanks in advance. Version Info Ubuntu - 14.04 Chrome - 35.0.1916.114 Flash I'm trying to install - 11.2.202.359 Flash packaged with Chrome (Pepper) - 13.0.0.214

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• Right-to-left script fails with Flash Player

  - by maria

  I am continuing an abandoned thread arabic reading error, since it was not solved. I'm using Ubuntu 10.04, Firefox 3.6.14. I've checked for Flash Player, I have the recent version installed. In the Flash Player window arabic script appears in wrong direction. The letters are displayed from left to right and not, as it should be, from right to left. For exemple http://www.fpnp.net/. The problematic place is the black bar in Flash window with a text below the image on the right. Here the letters are displayed in wrong direction and, by consequence, are not joined. You can see (I hope) the difference between that black bar and the rest of the text. Hope it will understandable for not Arabic-speaking people. Thanks

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• I feel stuck in the center of Python, How to get past beginner

  - by Isov5

  I really apologize if this doesn't follow the S.O rules but I need a little help, I personally still classify myself as a beginner in python, Yet I've wrote a very small and VERY SURE impractical program for my boss to use. I know I'm still a beginner because simple things still perplex me but every book I read for beginners honestly just rehashes what I do already know but every 'more advanced' book doesn't really allow me to learn, they depend on example files and I never really understand why they built 'said' function or 'said' class. So onto my question... Is there any recommendations on a book or ANYTHING that pushes me out of this stage, I've used head first and normally they are really good but my issue there is they have me back tracking just to move forward again, It worked in HTML but its confusing in Python, basically I think I need to build a program while following along, Again I like HeadFirst's style but I need something that isn't going to make me have to remember one thing just to forget it... for record, I've checked into some O'Reilly books

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• How to restore the icon of firefox (or any other program)

  - by Santosh

  Ubuntu 11.10 came with Firefox 7.x.x so I downloaded the Firefox 12 from its site. I did following to install this Extracted the archive. Put that extracted folder into /usr/lib/, the location was something like /usr/lib/firefox-12.0/. At this point of time I was having 2 firefox versions, so I deleted the older one (/usr/lib/firefox-7.x.x) Next I made a link of the firefox executable (/usr/lib/firefox-12.0/firefox) and place that into /usr/bin replacing the older one. During this process I didn't touched/removed from launcher bar. There was no problem in to launch firefox from the old icon from the launcher, I checked the version in about and it was 12. But as soon as I restarted the system I got the following results. Now how can I restore the icons?

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• Ubuntu apt-get install linux-image

  - by Karl Kloppenborg

  I'd like someone to enlighten me as to what exactly goes on with aptitude when I want a kernel. As we all know, there's pretty much the following kernel option: linux-image-generic linux-image-server linux-image-virtual This morning I did an install and it had linux-image-generic on it, so I ran the following: apt-get -y remove linux-image-* This removed all my kernels as expected, I followed suit with running: apt-get install linux-image-virtual Says I've installed linux-image-server!? Am I missing something here, because I checked twice and it did it twice, however if I manually select a kernel (in my instance I used: linux-image-2.6.35-30-virtual) it will install linux-image-virtual. This seems rather strange to me? Details: Running Ubuntu 9.10 Am I missing something? :)

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• LAMP Stack Location

  - by Artem Moskalev

  I have installed the LAMP stack on Ubuntu 12.04 LTS using the tasksel command. I checked - it works. But I cant find the location of the installaton, I worked with WAMP - there you have a separate folder for Apache, for PHP and for mysql. Now I cant even find where to put the documents I create. Which folder is used to contain my web projects? How to start MySQL console and where to look for its installation directory? Which directories are PHP and Apache installed in? how to erase LAMP stack? I found out that some of the parts of the stack are installed in the root/var and root/etc directories: How can I install the whole LAMP stack in /home?

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• Tracking unique views for a site showing my advertisements [on hold]

  - by user580950

  I am in trouble. I placed and advertisement on a website in 2012. The website said they got 950,000 unique visits each month. Early in 2012 I advertised with them. The advertisement didn't worked out. I checked in 2-3 months time and I saw that the unique visitors on the site was 8,000 at that time. I immediately closed the account. I don't remember which site I used to check the unique visitors. The advertising company has filed a dispute against me. So is there any tool that can show me the 2012 stats for any website? I tried Google Trends but it doesn't show statistics.

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• How do I reset proxy in terminal to automatic if not connected via proxy

  - by therealnube

  Well,all I ever wanted was to download and install an application from the terminal. And to my surprise I just can't I tried to reset proxy of the terminal by some commands but it doesn't happen and automatically switches back to this proxy 172.16.0.16 (which apparently was my college proxy). I checked in my system settings too.. I don't understand why this is recurring. Please be comprehensive,I am a nube :) Also I further would like to know how to bypass proxy server since I couldn't access any of the repositories as they were blocked in my college's proxy settings as is Ubuntu's homepage. Thanks for your time. For sudo ls /etc/apt/apt.conf.d/ it displays a different set of options where proxy is not listed.I am on 12.10,if this should help any.I put a snap of the terminal after the above command has been entered.

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• How do I export banshee library settings to another machine?

  - by nityabaddha

  I am trying to downgrade my distro. The thing is, I have spent some few hours organising my music library and I do not want to lose my database. I have checked 'write meta data to files'. And so, my understanding is, that if I just import those same mp3s into a new library, those files will be arranged in the same order in the library. But this doesn't sound like a safe enough option. I'm moving from 11.10 to 10.04. Any help would be greatly appreciated. newbie

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• Upgrade to Xubuntu 11.04 Breaks Wireless

  - by fleamour

  When I tried to connect at my mother's house and then my brother's house; the little connection icon would circle forever before eventually prompting for password. I have triple checked all network keys & then some. Even with my home network I now have to revert to 10.04 LTS Lucid Lynx (dual boot) or wired Ethernet. Not even sure where to start trouble shooting TBH? My card is a Edimax EW-7108PCg PCMCIA card which I bought for it's out the box Linux compatibility. Hardware is an IBM Thinkpad T21.

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• Sphere-Sphere intersection and Circle-Sphere intersection

  - by cagirici

  I have code for circle-circle intersection. But I need to expand it to 3-D. How do I calculate: Radius and center of the intersection circle of two spheres Points of the intersection of a sphere and a circle? Given two spheres (sc0,sr0) and (sc1,sr1), I need to calculate a circle of intersection whose center is ci and whose radius is ri. Moreover, given a sphere (sc0,sr0) and a circle (cc0, cr0), I need to calulate the two intersection points (pi0, pi1) I have checked this link and this link, but I could not understand the logic behind them and how to code them. I tried ProGAL library for sphere-sphere-sphere intersection, but the resulting coordinates are rounded. I need precise results.

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• chromium-browser --proxy-server debugging

  - by user3678068

  Many places online have pointed out to configure chromium proxy via command can be achieve with the following line chromium-browser --proxy-server=[username]:[password]@[host]:[port] but I got this result on every request. Here's the output in the command line right after executing the previous command. (They do not appear to be relevant. There are no new command line output when I try to visit a page) libGL error: failed to authenticate magic 30 libGL error: failed to load driver: vboxvideo ATTENTION: default value of option force_s3tc_enable overridden by environment. [29551:29551:0606/160459:ERROR:sandbox_linux.cc(268)] InitializeSandbox() called with multiple threads in process gpu-process I have double checked that the proxy credential works with the foxyproxy chrome plugin. What else can I try to figure this out? [Edit] Going to chrome://net-internals/#proxy and reading "Effective proxy settings" if I do chromium-browser with no flags, I get Use DIRECT connections. Source: GSETTINGS if chromium-browser --proxy-server=[host]:[port], I get a message box requesting to login, and under "Effective proxy settings": Proxy server: [host]:[port] if chromium-browser --proxy-server=[user]:[pass]@[host]:[port], "Effective proxy settings" shows: Use DIRECT connections

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• initramfs - Unable to find a medium containing a live file system

  - by LittleBobbyTables

  I'm desperately trying to install ubuntu 12.10 64bit on my new Ultrabook. Its a Sony T13 with 8gb ram, 256gb ssd, i7, windows 8. I have an extra partition, D: "UBUNTU" already created with about 30gb space using FAT32. Ubuntu is MD5 checked, on a previously working USB stick using UNetBootin. Grub loads fine When I ask to test out Ubuntu ("Try ubuntu without installing") it shows the purple loading screen for a bit then brings up this error in a busybox terminal: initramfs - Unable to find a medium containing a live file system Things I've tried that don't work: Different versions of Linux (Fedora, Arch, SL, even gParted) Using USB2/3 - No difference Legacy or UEFI - different interface, but same error BIOS has no option for anything "ACHI" related I have read through tons of other people having this problem and diligently tried all the above solutions, with no luck.

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• FFmpeg not recording audio during screen capture

  - by King

  I'm using the script below to run FFmpeg on Ubuntu 10.10. I followed these instructions to install FFmpeg & x264. While ffmpeg does capture the screen it does not capture the mic audio. I've checked that the mic works via "System Preferences". Anyone have any ideas on what the problem(s) could be and suggestions on how to resolve this issue? Thanks. ffmpeg -f alsa -ac 2 -i hw:0,0 -f x11grab -r 30 -s $(xwininfo -root | grep 'geometry' | awk '{print $2;}') -i :0.0 -acodec pcm_s16le -vcodec libx264 -vpre lossless_ultrafast -threads 0 -y screen-capture.mkv

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• sound card is not working

  - by ralph crowhurst

  I've installed Ubuntu 11.4 on my dell xps m2010 using wubi. Then booted up and could not connect to the Internet using 3three huawei e122 usb mobile broadband (I would like this to work also). I've managed to connect through a wireless network, I went to my favorite sites and was told I needed to install adobe flash player.This what I did players run and picture is good. But there is no sound! Then I've tried to play songs in Banshee, but no sound. I have checked everything in sound preferences including test speaker, there is sound. I have sigmatel sound card. Thanks

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• How to list missing partitions?

  - by celebrimbor

  I have installed Ubuntu on one of my partition and Crunchbang on the other partition. As I wanted to make some continuous space, I moved Crunchbang partition and then checked fdisk output which looks like this Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xc7996dfa Device Boot Start End Blocks Id System /dev/sda1 * 63 80324 40131 de Dell Utility /dev/sda4 81918 625139711 312528897 f W95 Ext'd (LBA) /dev/sda5 81920 211816447 105867264 83 Linux /dev/sda6 299100160 341043199 20971520 83 Linux /dev/sda7 341045248 625139711 142047232 7 HPFS/NTFS/exFAT I cannot see sda2 and sda3 partition. How to find them?

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• Why does installing gnome shell extensions from extensions.gnome.org fail silently?

  - by Pascal

  On a fresh Ubuntu install (12.04, 64-bit), after installing gnome-shell, I've tried to install some extensions from extensions.gnome.org but got no result. I've tried with Firefox and Chromium and got the same issue. Open any extension page on extensions.gnome.org. Switch extension to "ON". Agree with confirmation about installation. Nothing happens and nothing has been installed (.local/share/gnome-shell/extensions is empty). I've checked .xsession-errors, Firefox's javascript console, gnome-shell console errors (Alt-F2 + looking glass). There isn't any trace of any error.

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• set installer background / not able to run early_command in custom preseed file (precise)

  - by user73093

  I have a custom preseed file for a Precise Live CD (which is well loaded on boot, I checked syslog for that). My initial problem is that when booting in install mode (default behavior for a Live CD), ubiquity runs X with a default wallpaper which is hardcoded to /usr/share/backgrounds/warty-final-ubuntu.png in Ubiquity code. So my idea was to run early_command (https://help.ubuntu.com/12.04/installation-guide/i386/preseed-advanced.html) to copy my custom wallpaper over /usr/share/backgrounds/warty-final-ubuntu.png. Assuming my custom wallpaper allready resides on the rootfs in /usr/share/backgrounds. But... It seems the early_command never runs (and I'm sure the preseed file is taken into account) Here is what I have added to my preseed file: d-i preseed/early_command string cp /usr/share/backgrounds/mywallpaper-defaults.jpg /usr/share/backgrounds/warty-final-ubuntu.png Even this one is never run: d-i preseed/early_command string /usr/bin/touch /tmp/testearly Thanks for helping !!

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• lubuntu - Sound card detected but no sound

  - by CookieMonster

  I installed Lubuntu 12.10 on my old laptop (Sharp Mebius PC-MR80J), but sound does not work. Here are things I tried. aplay -l does not output anything. When I run alsamixer, I see only one bar that says "Beep". I installed pavucontrol, pulseaudio, pulseaudio-utils and libgtk-3-0 and checked output devices, but I only see "Dummy ouput" and there is no hardware output devices. cat /proc/asound/cards returns the following. 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xfeb38000 irq 40 cat /proc/asound/devices outputs the following. 1: : sequencer 2: [ 0- 1]: hardware dependent 3: [ 0- 0]: hardware dependent 4: [ 0] : control 33: : timer The laptop was running Windows XP before and sound (both input and outpu) was working. What can I do now?

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• Cannot Create a connection to Data Source VB 2010 [closed]

  - by CLO_471

  I seem to be having some issues with my Visual Basic 2010. I am trying to create a connection to a data source and it is just not working. Even my old connections in my other projects are not working. When I get into VB I try and create a connection by clicking Add New Data Source Database DataSet New Connection and when I click on New Connection the screen disappears and I am not able to select anything. Does anyone know of a glitch or something? I have checked my ODBC connections and all is good and I have been able to play around with my Access connections (which I am trying to connect) and Queries and everything seems to be working fine. I have rebooted several times, uninstalled and resinstalled VB and have also repaired the entire application. I am not sure what else to try or what else to do. Any help would be much appreciated. My computer specs are XP SP3, Core2 Duo at 2.80 and 3GB RAM

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