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• Problem with graphic Ubuntu 12.04 (not sure if it's because of the graphic driver)

  - by Duy Nguyen

  Ubuntu 12.04 was functioning properly . Then after an update, some graphic elements stop working properly. I could not launch programs that has 3D elements. Work space switcher's window displays 2D window instead of a 3D like usual. In Details menu, the Graphic row is blank. I am using Intel GMA 4500MHD graphic card. I am guessing that the driver is not properly installed? Anyone has the same issue? Please help!

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• Is It bad for SEO to have internal redirected links? [closed]

  - by Jonas Lindqvist

  I have a large number of pages having similar but not identical content. Example: site.com/dream_dictionary_flying and site.com/dream_interpretation_flying. The problem is that although not being identical, they are sometimes on the edge of being duplicate content. The solution via redirect 301 in htaccess is simple and can be done in a minute, BUT, changing all existing links on the whole site from "/something" to "/something_else" would take ages, it would be thousands of manual changes taking x hundreds of hours. My question is this; is it bad for SEO to have internal links that are redirected, or rather HOW bad is it? For the human user it would not matter at all but from what I have experienced, the search engines don't like it. Is there any rule of thumb here? Please come back with your thoughts and experience on this. Thanks!

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• Can someone provide a short code example of compiler bootstrapping?

  - by Jatin

  This Turing award lecture by Ken Thompson on topic "Reflections on Trusting Trust" gives good insight about how C compiler was made in C itself. Though I understand the crux, it still hasn't sunk in. So ultimately, once the compiler is written to do lexical analysis, parse trees, syntax analysis, byte code generation etc, a separate machine code is again written to do all that on compiler? Can anyone please explain with a small example of the procedure? Bootstrapping on wiki gives good insights, but only a rough view on it. PS: I am aware of the duplicates on the site, but found them to be an overview which I am already aware

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• Netbook partitioning scheme suggestions

  - by David B

  I got a new Asus EEE PC 1015PEM with 2GB RAM and a 250GB HD. After playing with the netbook edition a little, I would like to install the desktop edition I'm used to. In addition to ubunto partition(s), I would like to have one separate partition for data (documents, music, etc.), so I could try other OSs in the future without losing the data. What partition scheme would you recommend? I usually like to let the installation do it by itself, but when I try to that I can only use the entire disk, so I don't get the desired data partition. I wish there was a way to see the recommended default partitioning scheme, then just tweak it a bit to fit your needs (instead of building one from scratch). So, how would you recommend I partition my HD? Please be specific since I never manually partitioned before. Thanks!

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• ASP.NET 4.0 and the Entity Framework 4 - Part 5 - Using the GridView and the EntityDataSource

  In this article, Vince demonstrates the usage of the GridView control to view, add, update, and delete records using the Entity Framework 4. After providing a short introduction, he provides the steps required to create a web site, entity data model, web form and template fields with the help of relevant source code and screenshots.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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• Ubuntu software centre, update manager fail to open

  - by Pradeep

  On my Ubuntu 12.04 LTS system the Software Centre and Update Manager do not open. I am unable to install any updates. And the message given below pops up. I am looking for a step-by-step process to fix this, and as a newbie, I don't know how to use the command line. Could not initialize the package information An unresolvable problem occurred while initializing the package information. Please report this bug against the 'update-manager' package and include the following error message: 'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages, E:The package lists or status file could not be parsed or opened

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• Flexible Keyboard starts too late

  - by user289237

  So I just managed to revive an old Windows XP machine that I am getting ready to format into Ubuntu 14.04. However the USB keyboard I have plugged in, powers down with the machine (obviously) but doesn't power up until the Windows loading screen (After my only chance to select boot device, for which I have a USB) It is really frustrating as this renders the f12 key useless and me stuck with a decade + 2 old machine. Thanks for any help :D

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• Cocos2d-x v3.1 for WinPhone 8 auto change texture after resumed from background

  - by Bình Nguyên

  I have some sprites in my game (for Windows Phone 8). These are my steps to reproduce the problem: Open game Play (this is an optional step) Press Windows button to send game to background Press Back button to resume game The problem is: After the game has resumed, some sprites exchange textures, some sprites go black (like there is no texture being bound). I'm using cocos2dx version 3.1.1. Can someone help me to solve this problem?

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• ATI catalyst and additional drivers have vanishe d after update (8/9/2012)

  - by Obada Talal Abu Arisheh

  ok, I have my ATI Radeon 2400XT working properly for longtime on ubuntus (8.04 - 12.04) and recently when I was trying to update (it installs kernal 3.2.0-31 during that update) every think related to ATI including property drivers (that can be activated from additional drivers) are vanished so AMD catalyst control center is not working (it says no amd graphics card is installed) and when opening [additional drivers] it loads and then a box is appear saying (Downloading package indexes failed, please check your network status. Most drivers will not be available.) after searching for additional drivers the window appear saying (no property driver are used on this system). I don't know what happened really! I don't know how to fix this problem either. help!!

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• Mobile phone detection (brand, model, browser etc)

  - by SyaZ

  What do you use to detect visitor's mobile phone, down to the model if possible? Currently we maintain our own database but it's really getting behind due to lack of manpower to maintain it, so we decided to give 3rd party solution a try. These are my candidates but I don't have time to really try them all: DeviceAtlas - 1 year personal evaluation, but basic license is affordable. Their database look solid with daily update and user-contributed tests / updates. I am favoring this one at the moment. DetectRight - I was recommended this by a colleague but really can't find much from their site. 20k devices -- really? WURFL - Open source, database collaboratively derived from UAProf. So basically if you're going with UAProf solution, you're better off with WURFL. DetectMoBileBrowsers - This looks like the simplest of all. Too bad it's language dependent (PHP). Please share your experience or suggestions!

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• Difference between OEM install and custom Ubuntu image

  - by Suman

  I'm looking into the best way to deploy a customized Ubuntu image and it looks like I have two options: To make an "OEM install" version To make a custom Ubuntu image Could someone help me understand the difference between these two methods of customizing a Ubuntu install? It appears to me that both these methods allow for elaborate customization of the image while allowing the user to enter their own end-user details (time zone, username, password, etc.)

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• Multiplayer game communication framework for mac/ios

  - by ishaq

  (Cross post from stackoverflow) I am creating a multiplayer 2D game for Mac and iOS devices. I'll be using cocso2d for graphics/game engine, however I am largely blank on what to use for multiplayer communication. Please note that I cannot use central severs e.g. SmartFox, RedDwarf, etc since I want the players to "host" games for others and be able to play it on their LAN, VPN or my own servers. Any pointers? I checked lidgren but it's for .NET only and hence not an option for me. EDIT: just in case it wasn't clear, the messaging has to be real time hence it's probably going to be over UDP

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• ASP.NET 4.0 and the Entity Framework 4 - Part 5 - Using the GridView and the EntityDataSource

  In this article, Vince demonstrates the usage of the GridView control to view, add, update, and delete records using the Entity Framework 4. After providing a short introduction, he provides the steps required to create a web site, entity data model, web form and template fields with the help of relevant source code and screenshots.

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• How to remove java.sql.BatchUpdateException in Grails? [closed]

  - by aman.nepid

  I have a domain like this: class BusinessOrganization { static hasMany = [organizationBusinessTypes:OrganizationBusinessType] String name String icon static constraints = { name(blank:false,unique:true) icon(unique:true) } String toString() { return "${name}" } } When I save some data for first time it works fine. But when by the next time it shows this error : Error 500: Internal Server Error URI /nLocatePortal/businessOrganization/save Class java.sql.BatchUpdateException Message Batch entry 0 insert into business_organization (version, icon, name, id) values ('0', '', 'dddd', '2') was aborted. Call getNextException to see the cause. **Around line 24 of grails-app/controllers/com/nlocate/portal/BusinessOrganizationController.groovy** 21: 22: def save() { 23: def businessOrganizationInstance = new BusinessOrganization(params) 24: if (!businessOrganizationInstance.save(flush: true)) { 25: render(view: "create", model: [businessOrganizationInstance: businessOrganizationInstance]) 26: return 27: } Please someone help me why this is happening. I am new to Grails. I have not modified the controllers but still I get this error.

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• How an SEO Company Implements Search Engine Optimization

  Many of you would wonder how an SEO Company can place your site on the upper ranks of search engines to drive traffic to your page. There are plenty of resources online to help you achieve the same on your own, but their expertise enable to do so easily that shows results in the shortest possible time.

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• How To Use a Free Website Builder

  Building websites are easy to do. Whether you use software or use the free download-able version, there are tutorials and tools to help you along the way. With free website builder, you have the ben... [Author: Scott Murray - Web Design and Development - May 23, 2010]

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• One click access to bookmarked files?

  - by dunderhead

  On my Windows machine with just one click I can launch favourite or bookmarked files that I use on a daily basis, which is a great time-saver. Is there any way to do this with 11.10 Unity? Ideally I would like to right-click on an icon in the launcher and have a list of files appear that I could then left-click to launch, but I'd be happy for any simple solution. Please note that I am not referring to recently used files lists - these do not work at all because the bookmarked file will always drop off the bottom of any recently used file list.

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• WordPress SEO - The Best Free Themes

  As a blogging platform WordPress is already pretty competent at letting the search engines know about the new content you put up on your site, but there is always more you can do too improve traffic and help improve the monetization of your web real estate. Believing the best things in life are free I have been experimenting with the most popular free SEO themes to be found on the WordPress site and two themes in particular have proven themselves particularly effective.

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• How to add a subclass to a viewcontroller in storyboard

  - by Ken Barlo

  Here's what I've created I created a view controller element (in storyboard) I created a new viewcontroller .h and .m file Here's my issue Can't seem to figure out how to get the content that I've added to the .m file to show up on the view controller element in the storyboard once the app is launched and the selection for that view controller element is made in the iPhone simulator. Although I am able to see content that is already added to a .m file on the home screen and activity screen when the selection is made in the iPhone simulator. Hope that makes sense, if not please ask and I'll be more than happy to provide more info.

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• installed ubuntu 13.04 but no wireless or wired connection available

  - by James

  after having installed ubuntu 13.04 i can not connect to the internet wirelessly or wired? can only connect to internet by using "try ubuntu" via ethernet cable, ive tried seeking help in so many different ways yet getting no positive outcome at all, will someone please explain why i can only connect with ethernet while i have the cd in the tray? ive also tried downloading b43 drivers to connect to the internet but apparently i dont have enough disk space, what is going on here? i have the disk in the tray now at the screen where you can either try or install, if someone could give me a step by step from here it would probably cut out all this hassle of me not knowing whats going on

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• The layout page "~/Views/Shared/_Layout.cshtml" could not be found

  - by Rei Brazilva

  I got this error and I can't figure out what is going on. I am positive the _layout.cshtml resides in the shared folder and for the sake of trying things out, I moved to the Home folder and it then told that the Views/Home/_Layout.cshtml couldn't be found there either. So now I'm thinking the problem is in the call for this file for some reason. I'm not going to pretend I know ASP.NET MVC4, so please when you answer, explain it as you would to someone who is not familiar with the system at all. Believe it or not, this error came from tutorial #1 ha ha Here's the code to show that I did code it right: @{ ViewBag.Title = "Home Page"; Layout = "~/Views/Shared/_Layout.cshtml"; } And here is a picture of the location p.s. I did my research, Google has nothing and there is another question here but it was asked on 2008 with MVC3 which is completely different I am running ASP.NET MVC4 on Azure Thanks

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• Handling different screen densities in Android Devices?

  - by DevilWithin

  Well, i know there are plenty of different-sized screens in devices that run Android. The SDK I code with deploys to all major desktop platforms and android. I am aware i must have special cares to handle the different screen sizes and densities, but i just had an idea that would work in theory, and my question is exactly about that method, How could it FAIL ? So, what I do is to have an ortho camera of the same size for all devices, with possible tweaks, but anyway that would grant the proper positioning of all elements in all devices, right? We can assume everything is drawn in OpenGLES and input handling is converted to the proper camera coordinates. If you need me to improve the question, please tell me.

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• WebCenter Sites 11gR1 Bundled Patch 1 is now available

  - by R.Hunter

  There is a new patch available for WebCenter Sites - 11gR1 Bundled Patch 1. The download links can be obtained from the WebCenter Sites Download page. Some of the highlights of WebCenter Sites 11gR1 Bundled Patch 1 are listed below: - UI Customization support  - A new developer’s guide is available for use in customizing the Contributor UI. Customizable UI components include the Dashboard, search views, tools bars, menus, and asset-forms. In addition, global or site specific configuration properties can be specified for controlling what is displayed in the UI. - Localization support – The contributor UI is localized for the following languages: French, German, Italian, Spanish, Brazilian Portuguese, Japanese, Korean, Simplified &Traditional Chinese - Developer tools (CSDT) now supports connection to a remote Sites server- Security updates including a request authentication filter to prevent CSRF attacks, REST API updates, and more.- Session replication support in the management user interfaces- Bug fixes Please refer to the release notes and documentation for more information.

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• Is there a taskbar applet to show the status of a remote host?

  - by Mathew

  At the end of the day I would like to be able to copy files to my home PC just in case I feel inspired to work on them in the evening. But I only want to do this if the PC is on already. (I can remote wake-on-lan the PC but I don't want to always be doing that). I would like some taskbar applet that shows the status of the PC and whether I can ssh into it or not. Obviously it would also be interesting to have an idea as to how long it is on for whilst I am at work as that gives a good indication of whether anyone is in or not. However being able to unobtrusively copy files to the remote machine is the main objective. Perhaps another approach is to run rsync on cron and if the remote host is not up then I guess it will fail. Is that correct? If anyone else has ideas on how to best sync a work and home PC then please do tell.

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• I studied electrical engineering. Can I work as a developer? [closed]

  - by FailedDev

  A while ago I finished my Msc in Electrical Engineering and started working as an engineering consultant where I mostly do development work. I am good at picking up languages/technologies tools. I have fiddled with C/C++/C#/perl/ant/bash/html/css etc. Although I have never had a complain for my work, rather the contrary, I just feel that some day, someone will ask me a real hard task which would maybe seem rather trivial for a computer scientist but hard for me. Should I read/do something to become a better developer. Should I pick up a book about design patterns or algorithms for example? Is this normal that I have this kind of "fear"? Sorry if this is the wrong place to post this question. Please notify me so I can close it if this is the case.

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