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• kernel panic - not syncing vfs unable to mount root fs on unknown-block(1,0) on live cd

  - by sobox studio

  I'm trying to install ubunutu 12.04 on my 2005 PowerMac G5. I've burnt ubuntu-12.04-desktop-powerpc.iso. I try to boot from the live cd. I hit 'enter' to load the live environment. The kernel seems to be fine but then I get this: kernel panic - not syncing vfs unable to mount root fs on unknown-block(1,0) Then it says rebooting in 180........ and hangs. I can't do anything. Any help would be appreciated. Thank you.

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• Saving to a file in C# [on hold]

  - by user36322

  If I use this code: using (StreamWriter streamWriter = new StreamWriter("Content/player.txt", true)) { streamWriter.Write("Hello!"); streamWriter.Close(); } The program will not actually add "Hello!" to the file. However, if I use this code: using (StreamWriter streamWriter = new StreamWriter("C:/Users/Michael/Documents/Visual Studio 2010/Projects/PuzzleGame/PuzzleGame/PuzzleGameContent/player.TXT", true)) { streamWriter.Write("Hello!"); streamWriter.Close(); } The program will work as intended and add "Hello!" to the save file. Is there any way I can do this without hardcoding the path?

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• How to prevent a search engines from indexing a section of a page?

  - by BrunoLM

  I have many pages with lots of text in it. But I will always have two sections of text and I want to prevent one section from appearing in search results, the other section must be indexed. <p class="please-index-me">text</p> <p class="get-out">never index me please</p> I thought that maybe if I load the "please don't index me text" with Javascript maybe search engines wouldn't look for it. But I am not sure it would work and this is not really nice. I was wondering if there is a way to tell search engines "hey, this text you can't grab, move on". So, is there a way to do it?

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• Ubuntu 14.10 no GUI or term login

  - by Lito

  I have updated yesterday my Ubuntu 14.10 installation with apt-get dist-upgrade. I was working all afternoon and after that I have rebooted computer. Once done it, lightdm doesn't starts (only gnome logo) and I can not view any of Ctrl + Shift + [1-6] terminals (cursor is blinking). I have read a lot of posts with no success: nividia/intel conflicts (I have a laptop with an Intel graphic card) I have enabled nomodeset and tried all this options My computer boots to a black screen, what options do I have to fix it? I have repaired grub I can load recovery/livecd/windows and mount partitions and network without problem I have all packages and system updated Here my logs. X11 not shows any error or problem, is loading all needed drivers without problem. How can I raise the level of debug? Best regards.

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• get_hosts script being ignored in LTSP setup on Ubuntu 12.04

  - by Shwetav

  We had a home-grown LTSP load-balancer based on LDM_SERVER and get_hosts in Ubuntu 10.04. After upgrading to Ubuntu 12.04, everything worked fine except that get_hosts is being ignored completely. If we put space delimited list of servers as LDM_SERVER in lts.conf, users can choose a server during login and things work fine. Tried both locations below without any luck so far: 1. /var/lib/tftpboot/ltsp/i386/get_hosts 2. /opt/ltsp/i386/etc/get_hosts Any pointers would be greatly appreciated.

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• Ubuntu 12.10 doesn't boot (installed with wubi)

  - by Luna Kiyiya

  Quick and simple, my ubuntu doesn't want to load after installing with ubuntu. Starting the computer, at the screen to choose your operative system, first shows an error that windows failed to start, and later asks me to choose between ubuntu and windows. If I choose ubuntu, the same error happens again and I return to the same screen. If I choose windows, windows just starts normally as it was doing before I installed it. How can I solve this?? Thank you for your attention... I really need some help :)

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• Sound Delay With AVAudio Player

  - by Will Youmans

  I'm using the following code in my viewDidLoad to load a sound: NSURL * url = [NSURL fileURLWithPath: [NSString stringWithFormat:@"%@/Moto - Hit Sound.mp3", [[NSBundle mainBundle] resourcePath]]]; NSError * error; hitSoundPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:&error]; hitSoundPlayer.numberOfLoops = 0; Then I'm using this in a void method to play the sound: if(CGRectIntersectsRect(main.frame, enemy1.frame)){ [hitSoundPlayer play]; } This does seem to work, however the first time the sound is played there is a lot of lag and the game stops temporarily. I'm using this same method for when in an IBAction and it works fine, it must be the fact that it's also detecting a collision that makes the sound lag. If I want to be able to play sounds quickly and on the spot without any sort of lag am I doing the right thing? Do I want to use another method? I'm not using any frameworks like cocos2d. If you need to see any more code just ask.

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• Showing range on hexagonal grid

  - by user23673

  Here is the situation. I have hexagonal board,and a unit on it,with speed or move value 4.Diffrent terrain has a diffrent cost.When i click on the unit,game should show me a move range. My solution was to check each hex in range of 4,with A* pathfinding,and if path cost was less than 4 then this hex was in range.Finally game nicely show me range of that unit. My question is: Is there other solution to search for range on hex grids or square grid,because even if i am really proud of what i did in my solution,i think,it is a little to exaggerated?:)) What make me ask this question?I noticed that when unit speed is 4 or 6 or even 8,time to computing range for my computer was really good,but when speed was 10 and more i noticed that i needed to wait few second to compute.Well in real games i rather dont see something like this and my A* pathfinding is rather well optimized,so im thinking that my solution is wrong. Thanks for any replies.

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• Web RDP not working in Ubuntu 11.10

  - by user77321

  I am not able to connect to the remote machine from Ubuntu 11.10 machine using Web RDP. The following are the details. Java Vendor: Oracle Corporation Java Version: 1.7.0_07 IVE Host: xxx.xxx.com Run Level:0, read timeout:90000 Applet is signed and trusted webRDP version: 1.0.8.16, 2011-04-14 10:34 Attempting to obtain the license from the application jar. Obtained the license from the application jar. Keyboard: IBM101 I have removed the actual host name from the above details The error message on a pop up window is Application Error UnsatisfiedLinkError Unable to load library 'libX11':liblibX11.so: cannot open shared object file: No such file or directory. This error happens soon after Applet loads. I am supposed to get a WebRDP Screen with logo then a Windows Login screen for the remote machine. ( This is working fine in Linux Mint) Anyone has experienced this problem? Any solutions?

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• Resource Managers - Are they any good?

  - by The Communist Duck

  Hey. I've seen many a time in source code, things like this [well, this is more of a pseudo C++ idea of mine] type defshared_ptr ResourcePtr;// for ease ResourcePtr sound1 = resourceManager.Get("boom.ogg"); sound1-Play(); ResourcePtr sprite = resourceManager.Get("sprite.png"); I was just wondering how useful a class like this was, something that: Loaded media files Stored them in memory Did this at the start of a level - loading screen. Cleaned up Rather than having a system of: Resources are held by entities only, or loose. Responsible for own load into memory. The first is a 'manager' as such; something I feel indicates it's wrong to use. However, it allows for something like a vector of resource names to be passed, rather than having to scramble around finding everything that needs to be loaded.

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• What is the most secure environment for multiple CMS sites? [closed]

  - by Brian Gulino

  I wish to run about 50 Joomla or WordPress low-traffic websites on 1 server, or part of a server. Each website will be managed by its own, naive owner who will have be able to access the Joomla or Wordpress backend of the website. I am concerned about security and isolation as my users will periodically get into trouble by not protecting their sites properly. Two alternatives I know of exist: Run one Linux system with multiple websites under Apache. Follow current Joomla and WordPress security tips. Increase the isolation of the individual sites by using mpm-itk, which will allow each website to run as its own user. The alternative to this is to run virtualization software such as the Xen hypervisor. Each site would have its own, virtual Linux system. I lack the experience needed to make this decision and I am asking which path to take. Obviously, there may be other alternatives that I haven't considered.

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• No More Boxes! Exploring the PathListBox (Silverlight TV #25)

  In this video, Adam Kinney explains what the PathListBox is and why it is so compelling. Then, he demonstrates several ways of using it in creative examples. The PathListBox is one of the newest features available in Expression Blend and Silverlight 4. It redefines how users look at lists of data as it breaks the mold of a list "box" and opens the possibilities to use any shape or path. Don't miss this episode and be sure to download Adam's sample code. Relevant links: John's Blog...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Playing with aspx page cycle using JustMock

  In this post , I will cover a test code that will mock the various elements needed to complete a HTTP page request and  assert the expected page cycle steps. To begin, i have a simple enumeration that has my predefined page steps: public enum PageStep {     PreInit,     Load,     PreRender,     UnLoad } Once doing so, i  first...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Release Notes for 8/23/2012

  Below are the release notes from today's deployment. Improved the inline diff load performance for large diff sets Fixed a few issues related to sending and saving comments within a Pull Request Improved stability of the notification service Fixed an issue when directly linking to a file in the source browser, selected file was not being shown in the tree view Have ideas on how to improve CodePlex? Please visit our suggestions page! Vote for existing ideas or submit a new one. As always you can reach out to the CodePlex team on Twitter @codeplex or reach me directly @mgroves84

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• Ubuntu 11.10 boot: xhost: unable to open display

  - by paulus_almighty

  I've had this papercut for a while now, it's time it was fixed. When I boot up Ubuntu, choosing "Ubuntu...generic" from the grub screen, Ubuntu fails to load. It just sits at the driver/module loading screen. What seems to be the most significant line in this output is "xhost: unable to open display" If I choose "Ubuntu...(recovery mode)" from grub then it loads OK. I don't get why this is. Out of interest I tried enabling boot error logging with #/etc/default/bootlogd BOOTLOGD_ENABLE=Yes but I'm not seeing anything in that file. ETA: I've had this problem since fresh install of 11.10. Here's lshw: $ sudo lshw -C display *-display description: VGA compatible controller product: GF104 [GeForce GTX 460] vendor: nVidia Corporation physical id: 0 bus info: pci@0000:03:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:16 memory:f6000000-f7ffffff memory:e0000000-e7ffffff memory:ec000000-efffffff ioport:bf00(size=128) memory:e8000000-e807ffff

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• Shutdown after waking up

  - by user71468

  This issue appeard after installing last week's updates from Update Manager. When waking up after suspend, the OS starts loading and it halts unexpectedly, before the load is complete. I don't get to see login screen. This worked well last week, before installing updates. Then I need to remove laptop's battery, wait a while, then plug it and start again (otherwise power button won't work). Is anybody else experiencing this behavior? I have an HP DV7 with an intel core i7.

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• T-SQL Tuesday #014:I Hereby Resolve

  - by AllenMWhite

  It's another T-SQL Tuesday! Like many others, I really don't make New Year's Resolutions. They're too easy to forget about and it's too easy to "justify" why it just wasn't practical (and sometimes it's true.) That said, there are some things I'm working on changing for this year. Last year was the first full year for my new business venture, and it has been successful so far. I'm confident it's going to continue on this path, and we'll be doing even better this time next year. With that success...(read more)

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• Multiple copies of JBoss acting as one? [migrated]

  - by scphantm

  I have a few ideas how to solve the problem, but one question about jboss clustering. Please, keep in mind these applications were written very poorly, that is why they require so much memory and there is nothing i can do about that right now. So, I have clustered applications on Jboss where the application was small enough to run on one box. Meaning that one machine could handle the load. But, the current problem is that i have been asked to run several systems on the same environment. Our machines are virtuals and due to limited hardware, are restricted to 8 GB RAM, which gives jboss about 7GB to itself. Unfortunately, that isn't enough to run the group of applications. Im constantly getting heap errors and crashes. If i cluster 2 or 3 jboss instances together, can i run applications that consume more resources than a single box can handle?

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• how to make game objects to contain other objects?

  - by user3161621

  Im pretty undecided about what path to take here. The simplest that comes to mind is just adding a field List to the GameObject class where i would store the things contained in it. But would it be elegant and well tought? And would it be good performance wise?(ofc 99.9% of my objects wouldnt have anything stored in them...) What about deriving a ContainerObject from GameObject? This way only they would have additional fields but then i would have to change many things, my collections of objects would have to become a generic and id have to cast very often into GameObject...

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• Does a large (hidden) submenu count towards site content in tems of determining page similarities?

  - by Name

  Basically, I have this site that recently lost a lot of traffic after I optimized the html, the exact reasons to which are uncertain. The graph of impressions (times a page appears on search listings) is continuously going down like an e^-x function. Because the content, previously occupying five pages of tables, now fits within a few paragraph tags, the menu now occupies about 80% of the live html code and I am starting to have doubts wherether this affects the "similar pages" factor that Google punishes. Questions: As far as I know, Google ignores invisible material and the submenus are only visible when hovered over. Has anything at all changed in this area? If I ajax in the submenus, leaving only the main eight menu items to load, will I be punished for "hiding" information? Is the idea worth testing or is it frankly retarded?

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• Installed 11.10 on shared drive, when other partition mounted, HDD shown full

  - by Thebetpet

  I just partitioned a 500GB HDD 50%-50%. I installed ubuntu 11.10 on one half and copied a load of files onto the other. When I don't mount the other partition, it shows I have used 12.1GB and have about 240GB free. The second I mount the other partition, I can't copy any files over and get a disk full message. There is about 10-20GB Free on the other partition. Am I doing something wrong or is this a bug?

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• Good places to submit a business profile?

  - by Rob

  We have a new graphic/web design site that we've created and we'd like to give it a boost in terms of back links. What are the obvious places to submit a website to achieve some good back links? And what would be the recurring work load (if any) that those back links would need? Are there any good industry specific websites we could submit a profile to? E.g Twitter, would need constant interaction and new content with back links to the website. UPDATE: I've always felt it's worth it but after several years trying to submit different websites, I've never successfully managed to get a site into DMOZ!!

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• chrubuntu installation help

  - by Sir_Yoshi

  my friend loaned me his Acer c720 in order to load ubuntu on it. I have previously liberated my netbook and UMPC with Ubuntu but those where normal windows PCs. I have followed all the steps so far in order to enter developer mode yet at the login screen, when I type ctrl+alt+= (F2) nothing happens. the terminal should open up but it does not. Please help me, my friend bought this craptop but does not have wi-fi thus rendering it useless. P.S. how do you right click without an external mouse?

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• As good as no bounces are registered in Google Analytics [on hold]

  - by user29931

  For a client I am having an issue for which I can't find an explanation. For some reason, bounces are no longer measured (or almost none) in GA. In GA I can see that the issue started in January 2013. I have been looking at the code inside and out, but I can't find any reason why. On the production site, there is (will be removed soon) a POST done on page load, so I thought that Google might see this as user interaction, hence never counting a bounce, but on staging i removed this POST and in the GA account for staging, still no bounces are registered. I have also checked if the tracking code appears twice on the page, and this is not the case. I tried with the GA debug plugin in Firefox and Chrome to see if that would learn me anything, but no luck... The site in question is www.kiala.be.

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• What is causing Unity to be slow on startup?

  - by To Do

  A few days ago I noticed that after I login in, the top panel and the dash took a bit more time to load and I noticed more disc activity than usual. I thought that it might have been caused by some update or by the installation of pdftk. So I removed pdftk but the "problem" persists. Is there a way to know what is using the disc (read/write operations) on startup? If it were at a later time, I would use iotop but I can only launch iotop after I get control of the desktop. I'm on Ubuntu 12.10 amd64.

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