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• Ubuntu 12.04 - compiz - make sphere to like like a planet

  - by gotqn

  I have read topics of people that what to style their compiz sphere like a planet and set a background image like space. It definitely very good idea, but I have not been able to find a tutorial of how this is done (only some clips in youtube of people who have done this and a plugin, but it is not known to work work 12.04 version of Ubuntu). I have set my settings of compiz manager, so I have a sphere now, but I need some help with the images that I need to set. Has anyone idea how these pictures should be created and who the compiz will concatenate them?

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• Developer Day - Hands-on Oracle 11g Applications Developmen

  - by [email protected]

  Developer Day - Hands-on Oracle 11g Applications DevelopmentSpend a day with us learning the key tools, frameworks, techniques, and best practices for building database-backed applications. Gain hands-on experience developing database-backed applications with innovative and performance-enhancing methods. Meet, learn from, and network with Oracle database application development experts and your peers. Get a chance to win a Flip video camera and Oracle prizes, and enjoy post-event benefits such as advanced lab content downloads.Bring your own laptop (Windows, Linux, or Mac with minimum 2Gb RAM) and take away scripts, labs, and applications*.Space is limited. "Register Now"  for this FREE event. Don't miss your exclusive opportunity to meet with Oracle application development & database experts, win Oracle Trainings, and discuss today's most vital application development topics.Information how to register soon.

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• Collision detection in multiplayer games

  - by Bane

  This a followup to my previous question: How to implement physics and AoE spells in an MMO game?. There, we concluded that all physics have to be done on the server, and that I should use cylinders for calculations. Now, how can I check for collision detection on a ground-to-player basis on the server? It's fairly easy if the ground is a flat space, I just check if the player's z coordinate is lower than some value and voila, but, what if the map/ground itself is a model? How do I know where hills are on the server-side? How do I know when object collisions happen? I'm using node.js and socket.io.

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• Finally found a replacement for my.live.com&hellip;

  - by eddraper

  As I had alluded to before, the transition of http://my.live.com/ to http://my.msn.com/ caused me serious grief. I've been an RSS addict for many, many years and I found the my.live.com UI to be the ultimate RSS reader and gateway to the web. It had been my home page for a long time.  My.msn has a LONG way to go before it matches the elegance and performance of my.live. The site I ended up going with is http://www.netvibes.com/ .   It’s the closest thing I could find that could do four column tiles with a reasonable amount of information density .  I’d still prefer a lot less “chrome” and better use of space, but it’s as close as I’m going to get… One feature I really do like about netvibes, is the pagination feature.  The built in feed reader is also quite nice… All-in-all, I’d recommend netvibes…

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• Ubuntu 13.10. Can't access Internet and unable to install anything

  - by Crandacular

  After upgrading to Ubuntu 13.10 I was not able to access the Internet on any program that required it. So I uninstalled Firefox but I could reinstall from the software center so I used the terminal, everything ran smoothly, I told me how much additional space would be used, then it said "Err http://us.archive.ubuntu.com /ubuntu/ saucy/main Firefox i386 24.0+build1-0ubuntu1 Could not resolve 'us.archive.ubuntu.com Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_24.0+build1-0ubuntu1_i386.deb Could not resolve 'us.archive.ubuntu.com' E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?" And with both given possible fixes I also get errors. Please help, it's been like this sense the day the 13.10 update was released

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• Best way to store motion changes to reduce memory

  - by Andrew Simpson

  I am comparing jpeg to jpeg in a constant 'video-stream'. i am using EMGU/OpenCV to compare each pixels at the byte level. There are 3 channels to each image (RGB). I had heard that it is common practice to store only the pixels that have changed between frames as a way of conserving memory space. But, if for instance/example I say EVERY pixel has changed (pls note i am using an exaggerated example to make my point and i would normally discard such large changes) then the resultant bytes saved is 3 times larger than the original jpeg. How can I store such motion changes efficiently? thanks

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• Few questions about Thunderbird in Ubuntu 11.10

  - by Darwell

  I am happy with Ubuntu choice to replace Evolution with Thunderbird. However, I am having some issues with it. 1. What do you use to make Thunderbird minimize (and disappear from the launcher) when closing it? It should still be running (and give me notifications of new emails) but do not bother me on Launcher or in the list of windows, because I need free space. I tried using FireTray extension, it works quite okay, but it's buggy - sometimes there are two instances of Thunderbird open when using it and also, Thunderbird's global menu disappears after some time of using the extension. 2. Is there a plan to integrate Thunderbird's calendars into Date indicator in Ubuntu? I'd like to see my events when I have clicked on the time. Thanks.

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• Save to Hard Drive instead of bootable USB

  - by WAM

  I followed the instructions on the Ubuntu website on how to put Ubuntu 12.04 on a USB and make it a bootable USB stick for windows. It worked fine and I can boot up and run Ubuntu, but every time I try to download software or change settings it tries to save it to the USB rather than the hard drive built into the computer. The USB doesn't have enough space so the download fails and in addition it doesn't retain setting changes so when I restart my computer all the settings return to default and anything I saved is gone. Is there any way to change things so that when I download software or change settings Ubuntu will save it to my hard drive instead of the USB?

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• SOA Suite 11g: Unable to start domain (Error occurred during initialization of VM)

  - by Chris Tomkins

  If you have recently installed SOA Suite, created a domain and then tried to start it only to find it fails with the error: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. the solution is to edit the file <domain home>\bin\setSOADomainEnv.cmd/sh (depending on your platform) and modify the line: set DEFAULT_MEM_ARGS=-Xms512m -Xmx1024m to something like: set DEFAULT_MEM_ARGS=-Xms512m -Xmx768m Save the file and then try to start your domain again. Everything should now work at least it does on the Dell Latitude 630 laptop with 4Gb RAM that I have. Technorati Tags: soa suite,11g,java,troubleshooting,problems,domain

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• Simple 3D Physics engine as a part of graduation project [on hold]

  - by Eugene Kolesnikov

  I am working on my graduation project and one part of it is to simulate the motion of a rigid body in 3D space. I can use either already written physics engine or to write it myself. It's quite an interesting challenge for me, so I would like to do it myself. I am able to use either C++ or Java for programming (prefer C++). I am using Mac OS X and Debian 7. Could you suggest any guides or tutorials how to do it, can't find it anywhere... More precisely, I need a very simple engine, without collision detection, and many other things that I do not know, I just need to calculate the forces and move my body, depending on the resultant force. If you think that this task is still very difficult or there is no such tutorial, please suggest me some good and simple engine.

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• wireless driver error after install

  - by James

  after following this command to update wifi drivers:1- Boot into Ubuntu 2- Open a terminal by pressing Ctrl+Alt+T 3- Type in the following (verbatim!) sudo apt-get update && sudo apt-get upgrade press Enter, the command will prompt for your password (the one you use to login into Ubuntu), type it and press Enter. Wait for it to finish updating your system. Now type: sudo apt-get remove bcmwl-kernel-source sudo apt-get install firmware-b43-installer Wait for the command to finish installing the driver, when done restart your computer. i get a message after the first command when installing has done saying not enough space so it aborts! what do i do to fix this

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• Is there a weight for html link?

  - by Questions

  I would like to know if there is any weight associated with a html link (its backlink) when google does crawling/indexing. Will 1,2 & 3 be ever considered as a backlink by Google? 1. <a href="xyz.com">1</a> // one character link 2. <a href="xyz.com"> </a> //blank space link 3. <a href="xyz.com">!</a> //special character link 4. <a href="xyz.com">keyword</a> //meaningful word link I hope my question is understandable and guess this is right forum. I don't know to put it in other words. Thanks in advance.

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• URL hex characters in .htaccess

  - by Steve

  There is an old page with a space in the filename, and this is no longer found on the website. So I need to redirect this page to another page using a 301 redirect in .htaccess. If I place the filename directly into .htaccess (Bouquets%20%26%20Loose.html), the redirect does not work. If I escape the % sign like this (Bouquets\%20\%26\%20Loose.html), the redirect still does not work. How do I get this redirect to work in .htaccess? Thanks.

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• GRUB fatal installation of Ubuntu 11.10 - Dual boot for Win7

  - by zero

  I have win7 installed in my system and I decided to give Ubuntu a try. I formatted my drive as follow : C:\ - For Win7 - 55G D:\ - Data - 40G E:\ - Unallocated space - 55G - This is where the installation of Ubuntu I tried to install with this partition table (All set as logical) /dev/sda6 /boot - 258 mb /dev/sda7 swap - 2000mb /dev/sda8 / /dev/sda9 /home I get this error in the middle of the installation Unable to install GRUB in /dev/sda6 Executing 'grub-install/dev/sda6' failed This is fatal error I followed this article http://www.linuxbsdos.com/2011/05/22/how-to-dual-boot-windows-7-and-ubuntu-11-04/ but it seems not working for Ubuntu 11.10. Am I missing something in the installation? Any feedback will be helpful.

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• Asking about deleted partition at boot

  - by Shawn Mitchell

  I have Ubuntu installed through Wubi. I also had another partition on my computer to try out the dev preview of Windows 8 aptly named Windows_8. After I was done playing, I deleted the Windows 8 partition and added the extra space back to my Win7/Wubi partition. Now every time I boot into Ubuntu, it tells me that it can't mount the partition and asks me if I want to recover or skip it. Is there a way to get Ubuntu to forget about this partition so I can skip this extra step in my boot? Thanks

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• How to hide bind mounts in nautilus?

  - by Bazon

  Summary: How do I remove folders mounted via bind or bindfs in /etc/fstab from appearing as devices in nautilus left column, the "places" view? detailed: Hello, I mount various directories from my data partition via bind in /etc/fstab in my home directory, eg like this: #using bind: /mnt/sda5/bazon/Musik /home/Bazon/Musik none bind,user 0 0 #or using bindfs bindfs#/mnt/sda5/tobi/Downloads /home/tobi/Downloads fuse user 0 0 (Background: /dev/sda5 mounted to /mnt/sda5 is my old home partition, but I do not want to mount it as a home partition, as I always have at least 2 Linuxes on the computer ...) That works well, but since 12.10 every one of those items is listed in Nautilus in the left column under "Devices". (Where normally USB drives appear, etc.) This is a waste of space (as I have many of such mounts...) and so I would like to have these mounts hidden, just as it was before in 12.04. How can I do that? Thanks!

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• Translatability Guidelines for Usability Professionals

  - by ultan o'broin

  There is a clearly a demand for translatability guidelines aimed at usability professionals working in the enterprise applications space, judging by Google Analytics and the interest generated in the Twitterverse by my previous post on the subject. So let's continue the conversation. I'll flesh out each of the original points a bit more in posts over the coming weeks. Bear in mind that large-scale enterprise translation is a process. It needs to be scalable, repeatable, maintainable, and above meet the requirements of automation. That doesn't mean the user experience needs to suffer, however. So, stay tuned for some translatability best practices for usability professionals....

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• wacom bamboo connect CTL470 "no tablet detected..."

  - by LAS

  Wacom bamboo connect CTL470 - "no tablet detected ..." I downloaded and attempted to install drivers and software -- I am relatively new in ubuntu and downloaded, extracted,ran in terminal but could not successfully install drivers and software for this device. All of this took up a good deal of space on the drive. Manual compilation failed. I need some help. How do I install so as to use this device? Or please direct me to a suitable (relative beginner) "how to". i have downloaded several packages but the install fails in Software Center and Synaptic. System: HP a1220n Intel Pentium 4 CPU 2.93 GHz OS Type 32 bit Ubuntu 11.10

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• Curious About Oracle's BI and Analytics Strategy?

  - by Bob Zurek

  Normally we use this blog space for discussing our business intelligence and analytic efforts along with our views and perspective on this very fast growing marketplace. However, I can't resist mentioning that we are having a great webcast coming up next week, so please do join Oracle's Mark Hurd and Balaji Yelamanchili as they unveil the latest advances in Oracle's strategy for placing analytics into the hands of every one of your decision makers-so that they can see more, think smarter, and act faster. Register now at http://bit.ly/HpAOJk for the Webcast and Live Chat: Wednesday, April 4, 2012 at 9 a.m. PT, 12 p.m. ET, 10 a.m. GMT.  You don't want to miss this event and thank you very much. 

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• How to get a point to the left/right of a vector

  - by MulletDevil

  I have a position vector of a point in space and a quaternion for it's rotation. What i'm trying to calculate is a point too the left and a point to the right. I have the position and rotation(quaternion) of the red dot. What I want is to get the position of the green dots. I have a float value for the distance I want these points to be. With only the position and rotation is it possible to get a unit direction vector pointing left/right which I can multiply by my float value? Edit: I also know the original direction vector.

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• The /usr/bin/x11 folder

  - by WrecklessT

  Why does the /usr/bin/x11 folder hold another x11 folder and when you open that === x11 you get another x11 and then another and another??? I did it about 6 times and got frustrated so I have no idea how deep this goes but What is the purpose (or is it a glich?)? Is this eating disk space more than it should? (I was going to delete one or more but thought I better ask first before I end up !fucked ) and finally Is it just me and I am going crazy maybe the pills are wearing off or maybe they are kicking in.. I am not sure but an answer would help. I can see no reason why this should be happening at all.

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• Wordpress Queue like Tumblr?

  - by Michael Hopkins

  Hi. Is there a way to give Wordpress the queue functionality that Tumblr has? Tumblr's queue, for those who don't know, is a way to space posts out without assigning specific post dates. For example, a Tumblr queue might be set to post every four hours between 9am and 5pm. Tumblr would drop the front post in the queue at 9am, 1pm and 5pm every day. Posts are added to the queue by clicking "add to queue" instead of "publish." It's quite simple. How can this feature be added to Wordpress?

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• 12.10: How to hide bind mounts in nautilus?

  - by Bazon

  Summary: How do I remove folders mounted via bind or bindfs in /etc/fstab from appearing as devices in nautilus left column, the "places" view? detailed: Hello, I mount various directories from my data partition via bind in /etc/fstab in my home directory, eg like this: #using bind: /mnt/sda5/bazon/Musik /home/Bazon/Musik none bind,user 0 0 #or using bindfs bindfs#/mnt/sda5/tobi/Downloads /home/tobi/Downloads fuse user 0 0 (Background: /dev/sda5 mounted to /mnt/sda5 is my old home partition, but I do not want to mount it as a home partition, as I always have at least 2 Linuxes on the computer ...) That works well, but since 12.10 every one of those items is listed in Nautilus in the left column under "Devices". (Where normally USB drives appear, etc.) This is a waste of space (as I have many of such mounts...) and so I would like to have these mounts hidden, just as it was before in 12.04. How can I do that? Thanks!

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• How do I disable the new invisible border feature (ruins Compiz' Grid plugin)?

  - by Ike

  A new feature was added recently that adds an invisible border around the windows to grab for resizing (although i thought the new resize grip solved any big issues). This annoys me because it destroys the usefulness of the grid plugin of compiz.. i'm not sure if the border is part of compiz or gnome, but i'd like to know how to disable it. i couldn't find any options in ccsm or the window settings in gnome. See the screenshot to see how much waste is caused. These windows should match up instead of having blank space surrounding all of them.

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• Why is bzip2 needed in the kernel patch instructions?

  - by user12657

  This was from here. Extract the patch tar -xvzf /usr/src/web100-2.5.22-200810130047.tar.gz bzip2 web100/ web100-2.6.27-2.5.22-200810130047.patch Test the patch bzip2 -dc /usr/src/linux/web100/ web100-2.6.27-2.5.22-200810130047.patch.bz2 | patch -p1 --dry-run I looked at the .patch, the diff output of many files and the file .patch.bz2 after the bzip2 command which is too also the diff output of many files, they seem to be the same. My question is why is bzip2 even needed to turn the .patch into a .patch.bz2? Is it for the redirection to std output from the -dc option for the patch command? Even if it is, why not just not just use the patch command in the form something like this:patch -p1 < patchfile? I don't see why the bzip2 is done here. Also, I think the bzip2 might have an extra space in the command after web100/, right?

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