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  • Convex Hull for Concave Objects

    - by Lighthink
    I want to implement GJK and I want it to handle concave shapes too (almost all my shapes are concave). I've thought of decomposing the concave shape into convex shapes and then building a hierarchical tree out of convex shapes, but I do not know how to do it. Nothing I could find on the Internet about it wasn't satisfying my needs, so maybe someone can point me in the right direction or give a full explanation.

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  • How do you make it so when you click an app on the side it jumps to the opened app

    - by Matt
    I'm not sure what I did but I had it so I could click on the icon that split it into 4 screens and throw whatever I wanted on whichever screen I wanted but I fiddled around with some stuff and made it so that now when I click on the app, say I have Firefox open but it isn't on the active page, it does nothing. Whereas before in the same situation when I clicked on the active app it would sling me across to whichever of the four screens it was located on; how do I get back to this setting?

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  • Linux needs to do more for programmers

    <b>Cyber Cynic: </b>"Much as I hate to admit it, Microsoft does some things better, much better, than Linux. Number one with a bullet is how Microsoft helps programmers and ISVs (independent software vendors). MSDN (Microsoft Software Developer Network) is a wonderful online developer resource. Linux has had nothing to compare."

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  • It is CX a new concept?

    - by Isabel F. Peñuelas
    The Marketing Industry and the Web Industry are talking about CX since some time. However it is only very recently that the concept has reached some common meaning accepted by the analysts’ and the IT community. The new CX model depends on two previous facts: the expansion of the social media, and the impact of the new advanced features of mobile devices regarding brand-customer interaction. CXsers vs UXers First there is some need of disambiguity between User Experience and Customer Experience. User Experience -UX, is a much well established concept related with the design of user interactions for particular devices. UX people are interested on multiple touch points of digital interfaces while CX people are interested on all kind of interfaces including physical ones. UX is an evolution of Web Usability, while CX is a marketing concept. UX is an instrument of User Experience. CX in fact is all about Connections and Interactions. Connections Dan Draper, the creative director Mad Men, understands very well that to market effectively means to connect with people, and the best way to connect to people is to use the connections people have with other people: understanding Social Media connections and taking the customer pulse of customers on those medias, and are strong facilitators of CX strategies.  Interactions We can very simply define CX as the relationship that a customer establishes with a brand through multiple touch points (interactions, channels) through the entire life cycle of his relationship- direct or indirect with the brand. Interactions can be grouped on Customer Journeys through multiple touch points defined as the path a customer follows to achieve a goal. Processes A customer journey today usually starts at the moment he surfs the Web, then he takes a purchase decision; purchases the product;  request a particular service and finally recommends or do not recommends the product.  Customer Journeys are processes, and to analyze customer journeys there exists today a broad offering of modern Customer Journey tools very similar actually to the use cases or UML activity diagrams for IT systems design. As a summary CX is nothing more and nothing less than applying process analysis methods for better understanding how to create value through customer interactions across the multiple user´s touch points with the brand.

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  • Upgraded to Maverick; can't change theme

    - by Mike Doherty
    Hi, I just upgraded to Maverick, and now I can't change my theme except for the cursor and window border/decoration. I've just reinstalled the themes I want to use (Dust + Dust extra) successfully, and while the window border/decorations change properly when I select them, nothing else changes. The icon set doesn't change; gnome-panel doesn't change. I'm stuck on the fugly fallback theme - the one you see when you do gksudo gedit or something. Halp! -Mike

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  • Ubuntu 12.04 freeze on Ctrl+ALT+F1

    - by user93800
    I have Radeon card connected over HDMI to my TV. To resolve bug with HDMI-sound, I switch between virtual terminal and GNOME desktop each time the TV is switched on with CTRL+ALT+F1 and after console appear with CTRL+ALT+F7. It's ugly, but its worked for me. Since yesterday I got system freezes on CTRL+ALT+F1 - no reaction on keyboard, mouse pointer disappear at all, GNOME desktop still displayed. Probably has nothing to do with HDMI. Any suggestion how to resolve it?

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  • Why does fusion icon not work in Ubuntu 12.04

    - by Peter Bauer
    When I start the compiz fusion icon Application from the shell I get the following output but no icon and no GUI: $ fusion-icon --no-start * Detected Session: gnome * Searching for installed applications... Checking if settings need to be migrated ...no Checking if internal files need to be migrated ...no Backend : gconf Integration : true Profile : default Initializing decor options...done * NVIDIA on Xorg detected, exporting: __GL_YIELD=NOTHING * Using the GTK Interface

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  • Lag when recording with xvidcap?

    - by quangtruong1985
    I used Xvidcap to record my desktop, but the quality of video was too bad (it lagged so much). I also tried with all output formats that xvidcap support, increase the frame-per-second as much as possible and the quality always at 100% but nothing changed. Click to see my video on Youtube Im using 11.04 (unity) with compiz enabled. My card is ATI/AMD Mobility 5450 and all drivers were installed and activated. Please help me! Regards.

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  • How can I configure cowsay?

    - by Fahad Ahammed
    I have installed cowsay and fortune.....please i want to set My own talks or texts in cowsay ...but i can't configure it !!! when i open terminal there is nothing from cowsay !. I want to show cowsay when i start terminal .But this works !!! hash@ssl50:~$ cowsay -f tux "Carry on" < carry on > ---------- \ \ .--. |o_o | |:_/ | // \ \ (| | ) /'\_ _/`\ \___)=(___/

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  • Cannot add custom keyboard shortcut

    - by krasilich
    I'm trying to assign custom shortcut to launch my own script (I don't need it in terminal window, just launch it) So, I went to Settings - Keyboard - Shortcuts - Custom Shortcuts, pressed the button with "+" and entered the name of shortcut and the command itself. But then I cannot bind keys to that shortcut. I selected a new row and pressed needed keys (Shift + F3) and nothing happens. I can change the keys for system shortcuts, but do not have any luck with my own. Any ideas?

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  • A Bit Cloudy

    - by Chris Massey
    "Systems Administrators, I come in peace. You have nothing to fear from me" - Office 365 Microsoft Business Productivity Online Suite recently absorbed a few other services and has been rebranded as Office 365, which is currently in private Beta and NDA-d up to the eyeballs. As Microsoft's (slightly delayed) answer to Google Apps Premier Edition, it shows a lot of promise; MS has technical expertise, market penetration, and financial capital all going for it. On the other hand, Google...(read more)

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  • Why isn't iTunes working for me?

    - by Sam Mercier
    I know you are to install iTunes in WINE but when ever I open it an error message appears that says Apple Application Support was not found. Apple Application Support is required to run iTunes. Please uninstall iTunes, then install iTunes again. Error 2(Windows error 2) I have tried uninstalling the iTunes, re downloading it and repairing it. Nothing seems to work. Please help me here. Thank you.

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  • Skype Sticks a Thumb in their User's Eye

    <b>Jamie's Random Musings:</b> "...Skype-to-Skype calls will "always be free". Well, it turns out that promise is worth exactly as much as any other promise Skype has ever made, or will ever make for that matter. A big, fat nothing."

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  • multilingual mobile site and google seo [closed]

    - by kollo
    Possible Duplicate: How should I structure my urls for both SEO and localization? What's the preferred SEO compliance for a mobile website that is multilingual ? I have - web: en: http://mysite.com fr: http://fr.mysite.com es: http://es.mysite.com mobi: http://m.mysite.com Should I use http://m.fr.mysite.com for my mobile french version ? Nothing is specified on google blog for mobile : http://googlewebmastercentral.blogspot.co.uk/2011/12/new-markup-for-multilingual-content.html

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  • Yet another use of OUTER APPLY in defensive programming

    - by Alexander Kuznetsov
    When a SELECT is used to populate variables from a subquery, it fails to change them if the subquery returns nothing - and that can lead to subtle bugs. We shall use OUTER APPLY to eliminate this problem. Prerequisites All we need is the following mock function that imitates a subquery: CREATE FUNCTION dbo.BoxById ( @BoxId INT ) RETURNS TABLE AS RETURN ( SELECT CAST ( 1 AS INT ) AS [Length] , CAST ( 2 AS INT ) AS [Width] , CAST ( 3 AS INT ) AS [Height] WHERE @BoxId = 1 ) ; Let us assume that this...(read more)

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  • stuck on "preparing..." when restoring from deja-dup backup

    - by Dan
    I'm trying to restore my deja-dup backup from a certain date. However during restore after selecting the date to restore from i get a "restoring... "preparing"..." window that just seems stuck there doing nothing forever (past 1/2 hour). There was a point when i was prompted for the "encryption password" but i don't remember it, so i just entered one. I never got any error if the password i entered was not accepted.

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  • Corrupted Ambiance Theme

    - by Alex
    I have a corrupted Ambiance theme... the background of the top menus is grey :( i must have done some fiddling... If i choose another theme, it seems to work fine, but I want Ambiance :D what do you think i could try? I already tried downloading ambiance again, but same issue happens. I tried to download gnome color chooser, but it doesn't do nothing, so i guess maybe i can change something else... but where? Here's a screenshot:

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  • Fetch as Google error 403

    - by Bojan Vidanovic
    2 weeks ago, google cant access my website anymore, in webmaster tools i cant fetch any page, i always get error 403, and the website has been completly disapperard form the google search results. I cant figure how suddendly it cant see it anymore, i've checked .htaccess and there nothing that blocks google crawlers, and robots.txt is fine to. Anyway the site is accesibly normaly for users. Anyone had this problems? please help!

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  • Brightness doesn't change on Sony laptop

    - by Eng.amr19
    I installed ubuntu 12.04 on my laptop for first time and every thing work well but the only thing doesn't work is the brightness doesn't change when i press F5 and F6 with Fn So i can't adjust the Brightness and sometimes i need to decrease it for more time working on battery and the bubble appear that it changed but nothing happen my laptop is Sony VAIO series F with NVIDIA GEFORCE ... and NVADIA accelerated graphic driver is activated

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  • Apache doesn't load .php files

    - by Haddex
    First, sorry for my English and asking something that it's quite answered all over the web. I've read a lot of post about this problem but I still can't find the solution. I'm a web developer who recently moved to Ubuntu from Windows 7. I had a website done (it's online and working) and I set up LAMP to keep working with it. I made a test.php file with: <?php phpinfo(); ?> and put it on /var/www/html directory, it shows all the information about the php and I was really happy: "Ok, it's all done, tomorrow I will work hard" But I placed my whole web into /var/www/html , not in a folder, the index.php is in /var/www/html but guess what: doesn't load any of my .php files, the browser just keep thinking. What I did: I rebooted Apache: /etc/init.d/apache2 restart I tried again with the test.php file and it works fine I put in /var/www/html a .html file and works fine. I looked for /etc/apache2/sites-enable/000-default.conf and it says: DocumentRoot /var/www/html I looked for /etc/apache2/mods-enabled/dir.conf and it says: DirectoryIndex index.html index.cgi index.pl index.php ... Edit* I think it's something related to phpmyadmin, like if I'm not able to connect with the database. But I got nothing on the screen when trying to load the page so...I'm not sure. I can access to the url localhost/phpmyadmin and I edited the connection.php file like this: <?php # FileName="Connection_php_mysql.htm" # Type="MYSQL" # HTTP="true" $hostname_rakstadconnection = "localhost"; $database_rakstadconnection = "rakstadclandb"; $username_rakstadconnection = "root"; $password_rakstadconnection = "admin"; $rakstadconnection = mysql_connect($hostname_rakstadconnection, $username_rakstadconnection, $password_rakstadconnection) or trigger_error(mysql_error(),E_USER_ERROR); mysql_query("SET NAMES 'utf8'"); ?> The name of the database is correct, like the user and password. http://i89.photobucket.com/albums/k220/Haddex/Capturadepantallade2014-06-09112609_zpsc45ddb72.png http://i89.photobucket.com/albums/k220/Haddex/Capturadepantallade2014-06-09112120_zps0b9e15f7.png *Edit2: could this be because it's a website that I brought to Linux from Windows? I used Dreamweaver. Edit3: I changed the # to /*/, nothing. The error.log file says: [Mon Jun 09 17:08:13.627881 2014] [:error] [pid 1517] [client 127.0.0.1:46663] PHP Warning: require_once(/var/www/html/Connections/rakstadconnection.php): failed to open stream: Permission denied in /var/www/html/index.php on line 1 [Mon Jun 09 17:08:13.627933 2014] [:error] [pid 1517] [client 127.0.0.1:46663] PHP Fatal error: require_once(): Failed opening required 'Connections/rakstadconnection.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/html/index.php on line 1 I'm reading error log but...should I add a linux path into a my index.php file? Don't think so. Thanks.

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  • Mounting of UDF Bluray in Linux Mint 17

    - by user134885
    I am running Linux mint 17 Cinnamon 64 Bit 2.2.13 - 3.13.0-27 Kernal My machine is a Clevo - fitted with a bluray burner I have tried the following line sudo mount -t udf /dev/scd0 /media/bluray /dev/sr0 But to no avail. Can anyone help me with how to initiate / mount a Bluray on my machine? Thank you to anyone who can give me feedback may sanity and get it going - all works well in windows, but nothing in Linux?

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  • Started wrong with a project. Should I start over?

    - by solidsnake
    I'm a beginner web developer (one year of experience). A couple of weeks after graduating, I got offered a job to build a web application for a company whose owner is not much of a tech guy. He recruited me to avoid theft of his idea, the high cost of development charged by a service company, and to have someone young he can trust onboard to maintain the project for the long run (I came to these conclusions by myself long after being hired). Cocky as I was back then, with a diploma in computer science, I accepted the offer thinking I can build anything. I was calling the shots. After some research I settled on PHP, and started with plain PHP, no objects, just ugly procedural code. Two months later, everything was getting messy, and it was hard to make any progress. The web application is huge. So I decided to check out an MVC framework that would make my life easier. That's where I stumbled upon the cool kid in the PHP community: Laravel. I loved it, it was easy to learn, and I started coding right away. My code looked cleaner, more organized. It looked very good. But again the web application was huge. The company was pressuring me to deliver the first version, which they wanted to deploy, obviously, and start seeking customers. Because Laravel was fun to work with, it made me remember why I chose this industry in the first place - something I forgot while stuck in the shitty education system. So I started working on small projects at night, reading about methodologies and best practice. I revisited OOP, moved on to object-oriented design and analysis, and read Uncle Bob's book Clean Code. This helped me realize that I really knew nothing. I did not know how to build software THE RIGHT WAY. But at this point it was too late, and now I'm almost done. My code is not clean at all, just spaghetti code, a real pain to fix a bug, all the logic is in the controllers, and there is little object oriented design. I'm having this persistent thought that I have to rewrite the whole project. However, I can't do it... They keep asking when is it going to be all done. I can not imagine this code deployed on a server. Plus I still know nothing about code efficiency and the web application's performance. On one hand, the company is waiting for the product and can not wait anymore. On the other hand I can't see myself going any further with the actual code. I could finish up, wrap it up and deploy, but god only knows what might happen when people start using it. What do you think I should do?

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