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• Ubuntu Software Center is crashing while trying to install psychonauts

  - by GonzoDark

  I am having a problem installing Tim Schafers epic platform video game Psychonauts trough the Ubuntu Software Center. I have bought the game on http://www.humblebundle.com/ and I have used the new redeem option introduced in this bundle: "redeem your bundle on the Ubuntu Software Center." When I have downloaded approximately 2.1 GB of Psychonauts then Ubuntu Software Center starts to repeatedly crash and pop-up with a new crash report dialog every few seconds (before previous ones are closed and that will crash the computer after a few min, unless I stop the download). I also have a file-size bug, where Ubuntu Software Center tells me that I have downloaded 880,2 MB out of 133,3 MB I use the new Ubuntu 12.04 LTS and Ubuntu Software Center version 5.2.2.2 (©2009-2011 Canonical <--- That is also a bug, should be 2012 I guess) I hope someone can help me.

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• How to redirect a international domain to a subfolder on the English site without hurting Google rankings?

  - by ernest1a

  I have two sites: www.example.de www.main.com www.main.com is English version of www.example.de which is in German. I want to keep only www.main.com. For the English version I will keep www.main.com, but for German I want to move it to www.main.com/de. I am wondering what would be best solution for old www.example.de: Redirect everything from www.example.de to www.main.com/de using 301 redirect? Redirect everything from www.example.de towww.main.com/de/page-url-of-old-size.html? So each link actually get own address. Is that necessary or will Google realize where the page belongs on new site even if I redirect everything to home page? Any other solution, maybe just set in Google webmaster tools the new domain or anything like that?

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• Remote Desktop advice

  - by spoon16

  Coming from Windows, so that is what my expectations are based on. I have a Ubuntu desktop edition instance running as a virtual machine on a server. I would like to use it as my primary open source dev environment but the VNC tools I have used don't seem to be as rich as "Remote Desktop Connection" in Windows. The two things that are missing for me: connecting/logging into a non-console user sessions dynamically resizing the graphical resolution based on the size of the remote desktop window device sharing (USB devices plugged into client shared with remote) Is there an appropriate client that I can run on Windows to connect to my ubuntu dev instance that provides these capabilities?

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• ubuntu 14.04 slow

  - by TURN A

  so i upgraded to ubuntu 14.04 from 12.04 with a usb but i have internet ,my computer is really slow at 1024x768 definition ,everything works super slow ,windows closing and opening and streaming videos ,everything ive used so far.but it works fine at 800x600 definition ,i want it to be fine at the higher definition ,how do i make it run well at 1024x768 ? in additional drivers nothing shows ,and my computer mirrors by default for some reason ,i tried stopping it from mirroring but most buttons dont want to work and weird glitches happen ,the system doesnt work well when not mirroring , i dont care if it mirrors or not i just want good performance .thank you in advance for any answers !! here are the computer specs Processor 1.8 GHz 8032 RAM 2 GB DDR3 Memory Speed 1066 MHz Hard Drive 32 GB Graphics Coprocessor Graphics Media Accelerator HD Wireless Type 802.11B, 802.11G, 802.11n Number of USB 2.0 Ports 4 Expand Other Technical Details Brand Name Asus Item model number EB1030-B003L Hardware Platform Linux Operating System Ubuntu Item Weight 1.5 pounds Item Dimensions L x W x H 1.14 x 6.70 x 8.60 inches Color Black Processor Brand Intel Processor Count 1 Computer Memory Type DDR3 SDRAM Flash Memory Size 32 Hard Drive Interface Solid State Optical Drive Type No

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• How to upgrade to R 3.0.1 in Raring Ringtail?

  - by ACD

  I need to install the new version of R to get around the 2^31 object size limit. Its not clear how to do so. I see that there is a user-contributed PPA here. But I'm not sure exactly how to install it -- I would add the PPA, then do sudo apt-get install R-base? Do I need to manually remove the old version? How do I make sure that the new version of R plays well with Rgedit, which I use as an editor? I see many packages built for the PPA, but I don't see ALL of them, and in particular it is missing many that I use. Can I upgrade without creating problems along the lines of the worries described above? How do I do it?

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• Will a search engine lower the rank of my page if i have hidden iframes?

  - by Skurpi

  As a praxis, all external content on our site is put in iframes to lower the risks of any external parties injecting stuff to our users. We also do it to make sure our content shows up before banners, to make the site feel quicker. We now have an external script running which we want to put in an iframe, but it does not have any visible content to go with it so I want to put css "visibility: hidden;" on the iframe. I read in a forum somewhere that search engines will lower the rank of a page, or even drop the page, if a iframe has "the minimal size of 1x1px". Will a search engine lower the rank of my page if I have a hidden (or 1px big) iframe?

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• Ubuntu 12.10 dual boot windows 7 not working

  - by Joseph

  When i install ubuntu, and the computer restarts it doesn't show the boot managaer so it always boots in windows 7. I tried to change the default os, and ubuntu wasn't even listed in it. Then I read a how to on it, it showed how to size the partions and make them correctly, but it still didn't work. I tried easyBCD and still no success. I've tried installing it about 4-5 times and i still can't get it. What can i do to fix it?

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• Get and install Nvidia GeForce 8400 GS driver

  - by williepabon

  Recently, I changed my OS kernel from 10.04 to 11.10 (bugs), but after doing it, the video driver for the 8400 GS disappeared (was there in 10.04). I worked out the same procedure I did to install it in 10.04, mainly, sudo apt-get --purge remove nvidia-current sudo apt-get --purge autoremove sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get -y install nvidia-current but it didn't work even though the commands seemed to install the driver without problems. Right now my machine is working with the standard drivers, as shown. williepabon@WP-WrkStation:~$ sudo lshw -C display [sudo] password for williepabon: *-display description: VGA compatible controller product: nVidia Corporation vendor: nVidia Corporation physical id: 0 bus info: pci@0000:05:00.0 version: a2 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom configuration: driver=nouveau latency=0 resources: irq:16 memory:de000000-deffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:cc80(size=128) memory:dfc00000-dfc7ffff Any suggestions to correct the problem? Thanks

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• rsync verify a file already exists in dest folder so it will skip the copy on the 1st sync

  - by joel_gil

  I have been looking at different tutorials about rsync about some specific situation I have. I have a home server with all my pics, this server is my backup, my PC is the one that receives the new pics and until now i had been manually copying and pasting new photos from the PC to the server. I was trying to setup rsync to do this automatically and in principle, it does without problem. Now the issue; when I fire up rsync it start copying all the files, even the ones were already in the destination (this is because it is the 1st sync). so my question is: Is it possible for rsync to verify that a file is the same (name/size/bin) so it will skip the copy on the 1st sync?

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• Scuttlebutt Reconciliation in the paper “Efficient Reconciliation and Flow Control for Anti-Entropy Protocols”

  - by soulmachine

  I am reading the paper "Efficient Reconciliation and Flow Control for Anti-Entropy Protocols"! , I couldn't clearly understand Section 3.2 "Scuttlebutt Reconciliation". Here I extract out some sentences from the paper, which especially confuse me. If gossip messages were unlimited in size, then the sets contains the exact differences,just like with precise reconciliation. Scuttlebutt requires that if a certain delta (r; k; v; n) is omitted, then all the deltas with higher version numbers for the same r should be omitted as well. Scuttlebutt satises the global invariant C(p;q) for any two processes p and q:

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• Process Accelerators for BPM Suite

  - by JuergenKress

  This page contains documentation and installation downloads for the latest Oracle Process Accelerators version (11.1.1.7.1) Product / File Description File Size Download Documentation 28 MB OraclePADocumentation111171.zip Installation 665 MB OraclePA111171.zip Oracle Process Accelerators version (11.1.1.7.1) run on Oracle Business Process Management Suite 11.1.1.7. Please refer to the Installation Guide for the complete set of prerequisites SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: Process Accelerators,BPM,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• CSS being Displayed by Google spiders

  - by vipul_vj

  I have written an article HTML Image Tag for the site and it has been indexed by Google. But when I search it, google displays HTML Image Tag - ProgrammingBulls http://programmingbulls.com/html-image-tag-1: content { font-family:verdana; font-size:14px; font-weight:normal } We often use images in a webpage. To insert images in our webpage < img tag is used in. Why is CSS displayed in the google search? I know that CSS and HTML is ignored by Google but due to some reason HTML is being displayed.

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• Installing Ubuntu failed on Asus Laptop

  - by xiaohan2012

  I am trying to install Ubuntu Desktop 12.04 on my laptop. It just failed on the entry selection step(to select installation or try it first). However, when I tried it on my desktop computer, the installation went smoothly . I've thought of that and got a few clues. My Desktop computer had Window XP installed already, while my laptop has only got Linux(Fedora 14) Is there a laptop version of Ubuntu? And I just downloaded the wrong one? Thanks for any suggestion! PS: My laptop is ASUS K42J, RAM size is 2G. I am using liveusb to create the usb stick.

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• .net- open excel file, format the file and save

  - by Lock

  I have an ASP web service that uses the Crystal Reports API to download an Excel report. Now, there is a few things I do not like about the Excel report that Crystal generates: - The column widths are static (as in they are not adjusted for the content). - I can't format the header row to be bold - If I suppress a data column in the report, it comes out in the Excel spreadsheet as a blank column. I currently use PHP to open the excel file, autosize the columns, bold the heading and remove blank columns, although using the PHPExcel class for this doesn't work well when the spreadsheet is only a few 100kb in size. I am thinking if I move this activity into the .NET web service, the performance will be much better. Does anyone know an efficient way of opening a Excel file and performing the operations listed above?

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• Triangles in a C++ STL Vector as an Objective-C member sometimes draws incorrectly in OpenGL ES

  - by Rahil627

  The polygons draw correctly 80% of the time. When it fails, a vertex is dislocated. The polygon is consistently drawn with the wrong vertex. I checked that the vector is correct during initialization, even when it's wrongly drawn. I'm using Cocos2d. The class member: @interface Polygon : CCSprite { std::vector<float> triangleVertices; } The draw function called in [Polygon draw]: + (void)drawTrianglesWithVertices:(const std::vector<float> &)v { //glEnableClientState(GL_VERTEX_ARRAY); glDisable(GL_TEXTURE_2D); glDisableClientState(GL_TEXTURE_COORD_ARRAY); glDisableClientState(GL_COLOR_ARRAY); glVertexPointer(2, GL_FLOAT, 0, &v[0]); glDrawArrays(GL_TRIANGLES, 0, v.size()); //glDisableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_COLOR_ARRAY); glEnableClientState(GL_TEXTURE_COORD_ARRAY); glEnable(GL_TEXTURE_2D); } Any ideas?

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• How can I efficiently create/store/implement animations as I add to my game?

  - by nickbadal

  My game's characters are made up of different parts (head/body/legs/etc), and whatever items they have equipped. As I'm creating the animation system for my game, I want to try to anticipate a large number of combinations for different pieces for each character. Originally, I had planned on having a frame-by frame animation for each piece for each animation, and then layer them to combine them into a character, but this seems like it would be a lot of work for my artist, and that the memory/disk size would start to add up as well since we would need a sprite for every frame, of every customization of every piece, in every animation, for every character. What efficient ways are there to create/implement these animations as we add more and more configurations to our game?

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• Managing a remote ubuntu server

  - by erdomester

  I hire an Ubuntu server which I access remotely and I purchased a domain for my webpage. I am totally new to this server thing and to Ubuntu as well. What applications should I install on the server? I need to transfer files to the server, I guess I would use FileZilla the same way I use it to upload files to my free website. But to have a username and password should I install an ftp server and create a user on Ubuntu? My website will send automated messages to users, so do I need to install a mail server as well? What other software should I install on the server apart from a firewall and an anti-virus? Should I partition the hard drive (3TB) and how? How partitions should I create and in what size for what applications? Btw I use Windows 7 on my computer, so I am basically a windows user.

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• Continuing to code on large projects

  - by user3487347

  I am a hobbyist programmer, and I've started many medium - sized projects to work on just by myself. These include games, a raytracer, physics simulations etc. By the time these projects get to a certain size (around 5000 lines), I begin to slow down in adding features to the program. This is not because of a lack of ideas of what to implement in a program, but rather a struggle in how to go about it. In particular, I'm afraid of breaking what I already have working in order to implement a new feature. I've tried using version control like Git and Subversion, but these seem unnecessary when you are a one man team. I simply have a folder of "versions" of my program, one for each major change I make. How do I keep coding past this 5000 line mark? What about the 50000 line mark?

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• ASP.NET GridView And TreeList: 2 Export Improvements v2010 vol 1

  Two very useful export enhancements have been added to the ASPxGridView and ASPxTreeList. Starting with DXperience v2010.1, you can change the exported column width size and export to the Excel 2007 XLSX document format: 1. Change Column Width To change the column width before exporting, use the ExportWidth property. This property has been added to both the GridViewColumn and TreeListDataColumn classes. 2. Excel XLSX Format Two new methods have been added to the ASPxGridViewExporter and ASPxTreeListExporter...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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• Move from JSON to Protobuf. Is it worth it?

  - by katit

  We have REST webservices that can serve XML or JSON (WCF). I'm toying with idea of implementing Protobufs. Why? PROS Less load on servers. Smaller message size - less traffic. It is easier to switch now than later. CONS Need to be implemented Going to be harder to troubleshoot/sniff messages for debugging. I can enable GZip on server and JSON will consume as much traffic What is your suggestion and/or experience on this?

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• large tmpfs /run partition - must it be so big?

  - by Stevod

  I am running Ubuntu 11.10 desktop on a couple of 8G RAM Wintel boxes. Both have been created automatically by the default installer with a 1.6GB tmpfs /run partition, where I suspect this amount of RAM could be more usefully used elsewhere in the system. I suspect that the installer takes 20% as the default, which is probably OK for boxes with lots less RAM, but seems overkill for an 8GB system. My question is - can I change its size, if so, how, and what are the risks in doing so? The /run partition does not appear in the /etc/fstab file so it must be set up elsewhere.

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• SDL: How would I add tile layers with my area class as a singleton?

  - by Tony

  I´m trying to wrap my head around how to get this done, if at all possible. So basically I have a Area class, Map class and Tile class. My Area class is a singleton, and this is causing some confusion. I´m trying to draw like this: Background / Tiles / Entities / Overlay Tiles / UI. void C_Application::OnRender() { // Fill the screen black SDL_FillRect( Surf_Screen, &Surf_Screen->clip_rect, SDL_MapRGB( Surf_Screen->format, 0x00, 0x00, 0x00 ) ); // Draw background // Draw tiles C_Area::AreaControl.OnRender(Surf_Screen, -C_Camera::CameraControl.GetX(), -C_Camera::CameraControl.GetY()); // Draw entities for(unsigned int i = 0;i < C_Entity::EntityList.size();i++) { if( !C_Entity::EntityList[i] ) { continue; } C_Entity::EntityList[i]->OnRender( Surf_Screen ); } // Draw overlay tiles // Draw UI // Update the Surf_Screen surface SDL_Flip( Surf_Screen); } Would be nice if someone could give a little input. Thanks.

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• Black screen on Ubuntu 12.04

  - by user1648371

  I've just upgraded to Ubuntu 12.04 and I'm experiencing some problems. The first thing I noticed is that when I click the Workspace switcher all I get is a black screen (I can guess where the different workspaces are located and clicked on them, not a practical solution though). In addition when I lock the screen or suspend the laptop (a Vaio VPCEB4M1E) I get a shifted screen (I see the right most vertical stripe on the left size of the monitor and nothing about all the rest, to put it clearly I can see the gear that allows me to turn the pc off, etc, but not much more..) when I go to the additional driver menu I see the "ATI/AMD proprietary FGLRX graphics driver" are installed and the post-release update version is available. I don't know if the problem is driver related, so before doing anything I'd like to get some suggestions from you guys. Thanks you!

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• OpenGL: Drawing to a texture

  - by Danran

  Well im just a bit stuck wondering how to draw an item to a texture. Specifically, i'm using; glDrawArrays(GL_LINE_STRIP, indices[0], indices.size()); Because what i'm drawing via the above function updates every-frame, i'm just totally not sure how to go about drawing what i have to a texture. Any help is greatly appreciated! Edit: Well unfortunately my graphics card doesn't support FrameBuffer Objects :/. So i've been trying to get the copy contents from backbuffer method working. Here's what i currently have; http://pastebin.com/dJpPt6Pd And sadly all i get is a white square. Its probably something stupid that i'm doing wrong. Just unsure what it could be?

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• c++ and SDL: How would I add tile layers with my area class as a singleton?

  - by Tony

  I´m trying to wrap my head around how to get this done, if at all possible. So basically I have a Area class, Map class and Tile class. My Area class is a singleton, and this is causing some confusion. I´m trying to draw like this: Background / Tiles / Entities / Overlay Tiles / UI. void C_Application::OnRender() { // Fill the screen black SDL_FillRect( Surf_Screen, &Surf_Screen->clip_rect, SDL_MapRGB( Surf_Screen->format, 0x00, 0x00, 0x00 ) ); // Draw background // Draw tiles C_Area::AreaControl.OnRender(Surf_Screen, -C_Camera::CameraControl.GetX(), -C_Camera::CameraControl.GetY()); // Draw entities for(unsigned int i = 0;i < C_Entity::EntityList.size();i++) { if( !C_Entity::EntityList[i] ) { continue; } C_Entity::EntityList[i]->OnRender( Surf_Screen ); } // Draw overlay tiles // Draw UI // Update the Surf_Screen surface SDL_Flip( Surf_Screen); } Would be nice if someone could give a little input. Thanks.

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