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Articles indexed Saturday October 27 2012

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• Cannot dual Windows XP and Ubuntu

  - by Fabio Machado

  I am new to Ubuntu and at the moment I am trying to get Ubuntu 12.10 to one of my machines. The machine is a Pentium 4 @ 3.06, 2Gb RAM, 200GB Hard Drive and a NVidia GeForce 8800 GT. A few days ago, I tried Ubuntu without installing and it worked perfectly. Yesterday, I decided to formatted the hard drive and divide my hard drive into four partitions: 1 for the XP, 1 for Ubuntu, 1 for swamp and 1 where I will have my documents. Everything went great, I installed XP and then Ubuntu but I did something wrong on the partition window (Ubunto partion window) that I ended up without boot loader. This morning, I formatted everything again, installed XP and when I went to install Ubuntu (with the same DVD as before) the problems started. First, I had a black screen with a msg written with white text saying something like: unable to find a medium containing a live file system. After I burned another CD and tried again, I got stuck at the red dots (loading screen). I then went online and I read somewhere that it could be the CD, so I checked the integrity of the CD and everything was fine. I also unplugged all USBs connected to the computer and nothing changed. I goggled further options to try to solve my problem and some users suggested that people having these types of problems should try the alternate installation, which if I am not wrong is for networks. I then tried to install and yes the installation process was different from the normal CD, but it did get stuck on a page where it was doing something, like: ...finding ethd0 and it was stuck on the 100%. I tried USB installation as well and it also got stuck at the red dots (I do not have USB 3.0 on the computer in question). I have burned 5 different CD's and all at low speed. I checked the integrity and all are fine. I downloaded other distribution as well as other versions of Ubuntu and I still cannot install or even run the Live CD of Ubuntu or any other distribution. What is really annoying me is that everything was working perfectly before, when I first tried to install Ubuntu. Anyway, any help is welcome. Edit: My boot load is normal, no errors and all the hardware is working fine. I forgot to mention that after the loading screen (red dots) gets stuck, the DVD drive and the hard drive goes into idle state. I also restored the default values of the BIOS and no luck.

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• Psychonauts, what to do with 'psychonauts-linux-06042012-bin'?

  - by coldcaption

  Psychonauts came in a neat file called psychonauts-linux-06042012-bin. The file system calls it an executable, but I can't find a way to execute it. Ubuntu suggested using "PyPar2" to open it like an archive, which made it into a bunch of .par2 files, but it then couldn't find anything else to open those. It seems that other people have been able to start the game, so what should I do differently?

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• linking Google AdWords account to Google Analytics account

  - by crmpicco

  I have a Google Analytics account that has two profiles, one for www.ayrshireminis.com and one for www.crmpicco.co.uk. I have a Google AdWords account that I would like to link to my Google Analytics account, but for some reason the Google AdWords admin is telling me I cannot do that. Within the AdWords admin and the My Account Linked Accounts Google Analytics section both profiles show as Not Available ... it also has this message... None of your profiles are available for linking due to your account settings. How can I link these two accounts?

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• 500 error on Joolma website

  - by Rachel Sparks

  PHP Fatal error: Call to a member function setQuery() on a non-object in /home/josh/public_html/administrator/components/com_jfusion/plugins/phpbb3/forum.php on line 226 Just moved over to a new server. Anyone have ideas as to what is wrong? Is this a database issue? line 226: //get permissions for all forums in case more than one module/plugin is present with different settings $db = & JFusionFactory::getDatabase($this->getJname()); $query = "SELECT forum_id FROM #__forums WHERE forum_type = 1 ORDER BY left_id"; $db->setQuery($query); //226 $forumids = $db->loadResultArray();

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• Google Chrome for Mac, CSS colors and display profiles

  - by Trevor Burnham

  So, I'm aware that some browsers correct the colors in images in accordance with system settings, and that browsers differ in how they do this. But I'm very surprised when a color specified in a stylesheet appears different from one browser to another on the same system. With the latest Safari and Firefox, if I draw a div with background: #885500, I get a box with that color (as confirmed by the native DigitalColor Meter app): But when I load the same page in Chrome (Mac version 12.0.742.91) on the same system, a MacBook Pro with the default "Color LCD" display profile set, I get a noticeably different-colored box (DigitalColor Meter reports #a34d00—much more red, a bit less green): I tried a few different color profiles, and found that the color reported by DigitalColor Meter changed under Chrome. It stays constant in Safari. What's going on? Is it that Chrome is adjusting its colors depending on the system's display profile, or is it that Safari and Firefox are doing so? Does this happen under other operating systems, or is it purely a Mac phenomenon? And is there any way, from CSS/JavaScript, to detect/prevent this behavior so that colors are consistent across modern browsers on the same system?

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• Draw Rectangle To All Dimensions of Image

  - by opiop65

  I have some rudimentary collision code: public class Collision { static boolean isColliding = false; static Rectangle player; static Rectangle female; public static void collision(){ Rectangle player = Game.Playerbounds(); Rectangle female = Game.Femalebounds(); if(player.intersects(female)){ isColliding = true; }else{ isColliding = false; } } } And this is the rectangle code: public static Rectangle Playerbounds() { return(new Rectangle(posX, posY, 25, 25)); } public static Rectangle Femalebounds() { return(new Rectangle(femaleX, femaleY, 25, 25)); } My InputHandling class: public static void movePlayer(GameContainer gc, int delta){ Input input = gc.getInput(); if(input.isKeyDown(input.KEY_W)){ Game.posY -= walkSpeed * delta; walkUp = true; if(Collision.isColliding == true){ Game.posY += walkSpeed * delta; } } if(input.isKeyDown(input.KEY_S)){ Game.posY += walkSpeed * delta; walkDown = true; if(Collision.isColliding == true){ Game.posY -= walkSpeed * delta; } } if(input.isKeyDown(input.KEY_D)){ Game.posX += walkSpeed * delta; walkRight = true; if(Collision.isColliding == true){ Game.posX -= walkSpeed * delta; } } if(input.isKeyDown(input.KEY_A)){ Game.posX -= walkSpeed * delta; walkLeft = true; if(Collision.isColliding == true){ Game.posX += walkSpeed * delta; } } } The code works partially. Only the right and top side of the images collide. How do I correct the rectangle so it will draw on all sides? Thanks for any suggestions!

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• Logic that can traverse all possible layouts, but not checking every combination of identical pieces?

  - by George Bailey

  Suppose we have a grid of arbitrary size, which is filled by blocks of various widths and heights. There are many 2x2 blocks (meaning they take a total of 4 cells in the grid) and many 3x3 blocks, as well as some 5x4, 4x5, 2x3, etc. I was hoping I could set up a program that would look at all possible layouts, and rank them, and find the best one. Simply it would look at all possible positions of these blocks, and see what setup is the best rank. (the rank based on how many of these can be connected by a roadway system of 1x1 road blocks, and how many squares can be left empty after this is done. - wanting to fit the most blocks as possible with the least roads.) My question, is how should I traverse all the possibilities? I could take all the blocks and try them one at a time, but since all 2x2 blocks are equal, and there are a couple dozen of them, there is no point in trying every combination there, as in the following AA BBB AA BBB CCBBB CCEEE DD EEE DD EEE is exactly the same as CC EEE CC EEE AAEEE AABBB DD BBB DD BBB You notice that there are 2 3x3 blocks and 3 2x2 blocks in my two examples. Based on the model I have now, the computer would try both of these combinations, as well as many others. The problem is that it is going to try every single possible variation of my couple dozen 2x2 blocks. And that is sorely inefficient. Is there a reasonable way to take out this duplicated work, somehow getting the computer program to treat all 2x2 blocks as equal/identical, instead of one requiring rearranging/swapping of these identical blocks? Can this be done?

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• Developing for iOS on Linux

  - by Jay

  I am looking for an engine or library to develop a game for iOS on Linux. High level, low level, GUI, no GUI, does not matter too much. I am really looking for anything. I'm not actually talking about deploying to iOS from Linux or anything like. I just want to do the bulk of the work on Linux, with minimal changes required to run it on iOS. Edit: YES, I do have access to a Mac, but it is limited. So I want to be able to work on the project on my regular Ubuntu box. Also, I am in the paid developer program, so I can deploy to iOS devices from the Mac.

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