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• Web Apps install problem in 12.04 64bit installation

  - by gsc-frank

  I just did: sudo add-apt-repository ppa:webapps/preview sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install unity-webapps-preview and get the following message: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: unity-webapps-preview : Depends: xul-ext-unity but it is not going to be installed Depends: xul-ext-websites-integration but it is not going to be installed Depends: xul-ext-webaccounts but it is not going to be installed E: Unable to correct problems, you have held broken packages. What is wrong?

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• Next generation Three MiFi unit - call for questions to put to Three

  - by Liam Westley

  I've been invited to a preview of the next generation Three mobile Mi-Fi unit in their London offices this week. If you've got feedback on the current MiFi unit; niggles, wish list items or general feedback, or you've got any questions about what the next generation MiFi unit might be, drop me an e-mail or post a comment with your question on this blog. I'll be taking any questions from my blog or my twitter account @westleyl to Three, and if I get an answer I can publish, I'll add to this blog post with the details. Thanks Liam

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• links for 2010-04-05

  - by Bob Rhubart

  @fteter: Let's Talk iPad "How long it will be before some cutting-edge enterprise architect includes the iPad in the technology layer of his or her future-state EA?" (tags: oracle otn oracleace ipad enterprisearchitecture) Vijay Tatkar: Using Oracle Solaris Studio to Develop Optimized Applications for Intel Vijay Tatkar gives it up in this review/preview of Mike Mulkey's new white paper on Open Solaris. (tags: sun solaris oracle intel xeon) Geertjan's Blog: Climate Monitoring in Denmark on the NetBeans Platform A quick look at the Netbean's-based Climate Monitor created at the Maersk Mc-Kinney Moller Institute at the University of Southern Denmark. (tags: netbeans java)

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• Best PHP-based web development 'stack' of 2011

  - by Jens Roland

  I have been building PHP-based web sites for many years, and lately it seems I'm discovering another interesting new tool or method once every few weeks. This begs the question - what is the current state of the art in PHP development stacks for the seasoned coder? I'm specifically interested in the following: High-performance web server Database MVC framework Build tool Revision control Continuous Integration Automated testing Non-persistent caching I'd like to optimize my stack for scalability and rapid development. I'm not looking for personal preference here, I'm looking for real, quantifiable reasons to pick this-over-that.

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• Clever DIY Display Showcases Game Consoles While Concealing Cables

  - by Jason Fitzpatrick

  How do you display all your vintage game consoles while keeping them in a clutter free and ready-to-play state? This wall-mounted display does a great job showing off the retro gear while keeping everything tidy. Courteys of German tinker and gamer Holger, the design of the display is deceptively simple. The wall mount is a basic 2×4 frame wrapped in black roofing batten (similar to the lightweight weed-fabric used in gardens). Screw-in mounts for the LACK shelves are positioned every foot or so going up the frame and a small slit in the fabric allows for hidden routing of the cables. While it looks like the consoles are simply on display, they’re actually all hooked up and ready to play. For more photos of the build, hit up the link below. LACK Video Console Shelf with Hidden Cables [IKEAHacker] 7 Ways To Free Up Hard Disk Space On Windows HTG Explains: How System Restore Works in Windows HTG Explains: How Antivirus Software Works

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• design of 'game engine' for small javascript games?

  - by Matt Ball

  I'm making a group of two or three simple javascript games for fun. After someone finishes one game, they'll be presented with a harder or easier version of another game depending on whether the original game was won or lost. I have a high-level question about the design of things: So far I've created a class for one game type that manages the interaction with the UI and the state of the game itself. But for tracking how many of the subgames have been won, or for understanding whether the next game presented should be more or less difficult, are there arguments to be made for making a 'game engine' class? How does the engine communicate to the games? For instance, when a game is won, how is that information relayed to the engine? Is there a better or more common design? (If you want to see what I have so far, the games are slowly taking shape here: https://github.com/yosemitebandit/candela and can be viewed at http://yosemitebandit.com/candela)

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• Cannot set a credential for principal 'sa'

  - by hailey

  I was trying to change the SA password on my development server this morning and got an error. Msg 15535, Level 16, State 1, Line 1 Cannot set a credential for principal 'sa'. It was a little frustrating to get an error for a seemingly simple task but then agian maybe I screwed something up.  After doing a couple of searches i found a Microsoft KB (support.microsoft.com/kb/956177) "You receive an exception in SQL Server 2008 when you try to modify the properties of the SQL Server Administrator account by using SQL Server Management Studio".  It was for SQL 2008 but it worked for my SQL 2005 sp3 server just fine.  You have to click the Map to Credential check box but you don't have to add any credetials just click the OK button to complete and that's it.

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• Oracle is sponsoring LinuxCon Japan 2012

  - by Zeynep Koch

  LinuxCon Japan is the premiere Linux conference in Asia that brings together a unique blend of core developers, administrators, users, community managers and industry experts. It is designed not only to encourage collaboration but to support future interaction between Japan and other Asia Pacific countries and the rest of the global Linux community. The conference includes presentations, tutorials, birds of a feather sessions, keynotes, sponsored mini-summits. LinuxCon Japan will be showcasing Oracle Linux in  following sessions, as well as Technology Showcase booth.  Wednesday, June 6: 2:00 pm - Btrfs Filesystems : Status and New Features, Chris Mason, Oracle, Room 502 Friday, June 8: 3:00 pm - State of Linux Kernel Security Subsystem, James Morris, Oracle, Room 502 5:25 pm - International/Asian Kernel Developer Panel that features Oracle's Chris Mason Register to attend these great sessions.

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• Customer Spotlight: Land O’Lakes

  - by kellsey.ruppel

  Land O’Lakes, Inc. is one of America’s premier member-owned cooperatives, offering local cooperatives and agricultural producers across the nation an extensive line of agricultural supplies, as well as state-of-the-art production and business services. WinField Solutions, a company within Land O’Lakes, is using Oracle WebCenter to improve online experiences for their customers, partners, and employees. The company’s more than 3,000 seed customers, and its more than 300 internal and external sales force members and business partners, use Oracle WebCenter to handle all aspects of account management and order entry through a consolidated, personalized, secure user interface. Learn more about Land O’Lakes and Oracle WebCenter by reading this interview with Barry Libenson, Land O’Lakes chief information officer, or by watching this video.

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• Azure Storage Explorer

  - by kaleidoscope

  Azure Storage Explorer –  an another way to Deploy the services on Cloud Azure Storage Explorer is a useful GUI tool for inspecting and altering the data in your Azure cloud storage projects including the logs of your cloud-hosted applications. All three types of cloud storage can be viewed: blobs, queues, and tables. You can also create or delete blob/queue/table containers and items. Text blobs can be edited and all data types can be imported/exported between the cloud and local files. Table records can be imported/exported between the cloud and spreadsheet CSV files. Why Azure Storage Explorer Azure Storage Explorer is a licensed CodePlex project provided by Neudesic – a Microsoft partner.  It is a simple UI that requires you to input your blob storage name, access key and endpoints in the Storage Settings dialog. For more details please refer to the link: http://azurestorageexplorer.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=35189   Anish, S

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• [News] Les performances de VS 2010 RC

  Si nous avons tous pu nous rendre compte des am?liorations de performance de VS 2010 RC, aucun test chiffr? n'avait encore ?t? publi?. Kirill Osenkov, membre de l'?quipe QA de Visual Studio nous donne quelques ?l?ments ? travers son dernier billet. "we've made tremendous progress since Beta 2 and have brought the product into a much better state: it is much faster, more responsive, takes up much less memory and we also hope to have eliminated all major known memory leaks". Tr?s int?ressant et surtout rassurant pour la suite.

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• Siebel Open UI Training for Oracle EMEA CRM Partners - Free - Utrecht NL- January 22/23 2012

  - by Richard Lefebvre

  Have you heard about Siebel Open UI? It is the new, state-of-the-art User Interface for Siebel, offering an amazing User Experience on any browser. Oracle is planning a free of charge 2 days training, delivered by Oracle Product Development specialists, in Utrecht (NL) on January 22&23 2012. Seats are very limited. If you or your colleagues are interested to apply for one, please send an eMail to [email protected] with the contact details of the individuals who you would like to nomminate. If you would like to know more about Siebl Open UI before applying, please send an eMail to [email protected] to receive a short PPT deck featuring a short Siebel Open UI description, its benefits for (System Integrators) partners, and the detailed agenda.  Selected Participants will then be invited to register via the Oracle APEX system.

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• Polymorphism and passing

  - by Tucker Morgan

  Ok i am going to try and state my question as clearly as possible, but if you have trouble understanding it please just ask for clarification, i really want to figure out how to do this. I am writing a text based RPG, and i have three class that inherit from a super class, they all have special attacks that they can preform, at the same time i have a class that holds the function which handles battles in my game. Now how do i get the unique special abilities functions for whatever role the player chooses into the battle function. Also i am using the vector.push_back method to handle how my sub classes are referenced Please help me your my only hope

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• How often are comments used in XML documents?

  - by Jeffrey Sweeney

  I'm currently developing a web-based XML managing program for a client (though I may 'market' it for future clients). Currently, it reads an XML document, converts it into manageable Javascript objects, and ultimately spits out indented, easy to read XML code. Edit: The program would be used by clients that don't feel like learning XML to add items or tags, but I (or another XML developer) may use the raw data for quick changes without using an editor. I feel like fundamentally, its ready for release, but I'm wondering if I should go the extra mile and allow support for remembering (and perhaps making) comments before generating the resulting XML. Considering that these XML files will probably never be read without a program interpreting it, should I really bother adding support for comments? I'll probably be the only one looking at raw files, and I usually don't use comments for XML anyway. So, are comments common/important in most XML documents?

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• VLC Installation Issues on 12.04

  - by Sridhar

  I am trying to install VLC on 12.04, but I'm running into these errors: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: vlc : Depends: vlc-nox (= 2.0.3-0ubuntu0.12.04.1) but it is not going to be installed Depends: libsdl-image1.2 (>= 1.2.10) but it is not installable Depends: libtar0 but it is not installable Depends: libxcb-keysyms1 (>= 0.3.8) but it is not installable Recommends: vlc-plugin-notify (= 2.0.3-0ubuntu0.12.04.1) but it is not going to be installed Recommends: vlc-plugin-pulse (= 2.0.3-0ubuntu0.12.04.1) but it is not going to be installed E: Unable to correct problems, you have held broken packages. How do I fix these errors and install VLC?

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• UI Testing with Visual Studio 2010 Feature Pack 2

  - by Seth P.

  One of the most intriguing items in the recently released Visual Studio 2010 Feature Pack 2 is the ability to create and edit UI tests in Silverlight. Here is an example of a coded UI test. I haven't had much time to use it yet, but for people who have, I am curious as to what your thoughts are. Is this something you have found to be particularly useful? I would like to be able to automate a significant amount of regression testing that we are currently performing manually. In your experience, has it made a major impact on the resources that you would normally have to dedicate to testing? Thanks, Seth

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• Reset the controls within asp placeholder

  - by alaa9jo

  I use placeholders very much in many projects,but in one of the projects I was asked to reset the controls within a specific placeholder to their original state after the user has finished from inserting his/her data. As everyone of us know,to keep the controls within a placeholder from disappearing after postbacks you have to recreate them,we add such a code in i.e. page_load,the controls will be recreated and their values will be loaded from viewstate (for some of them like textbox,checkboxs,..etc) automatically,that placeholder contains only textboxs so what I need is to block/ loading/clear that viewstate after inserting the data. First thought: Customizing placeholder I thought about it and tried overriding many methods but no success at all...maybe I'm missing something not sure. Second thought: recreate the controls 2 times: In page_load,I recreate the controls within that placeholder then in button click (the button that saves user's data) I recreate them once more and it worked! I just thought of sharing my experience in that case with everyone in case anyone needed it,any better suggestion(s) is welcomed.

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• Tour Oracle's Usability Labs During Oracle OpenWorld

  - by Oracle OpenWorld Blog Team

  By the Oracle Applications User Experience team While you're attending Oracle OpenWorld 2012, Oracle invites you to tour our state-of-the-art usability labs on October 4 or 5 at Oracle headquarters in Redwood Shores, just south of San Francisco. One of our chartered buses will take registered tour participants from Moscone Center to Oracle HQ and back. Advanced sign-up is recommended; space is available on a first-come, first-served basis.On usability labs tours, Oracle customers see firsthand how we test future product designs using the latest technologies - including eye-tracking equipment and facial recognition software - that help track emotional responses to enterprise application screens. Participants will also get an early look at the direction our enterprise software is heading, including demos of designs for platforms such as tablet and mobile phone. Tours leave at 10:00 a.m. and 1: 45 p.m. If you or your colleagues are interested in joining a lab tour, sign up now to reserve your spot.

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• LINQ and the use of Repeat and Range operator

  - by vik20000in

  LINQ is also very useful when it comes to generation of range or repetition of data.  We can generate a range of data with the help of the range method.     var numbers =         from n in Enumerable.Range(100, 50)         select new {Number = n, OddEven = n % 2 == 1 ? "odd" : "even"}; The above query will generate 50 records where the record will start from 100 till 149. The query also determines if the number is odd or even. But if we want to generate the same number for multiple times then we can use the Repeat method.     var numbers = Enumerable.Repeat(7, 10); The above query will produce a list with 10 items having the value 7. Vikram

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• Real-Time Strategy Gameplay

  - by Ahmad Alkhawaja

  I am working on building a HTML5 RTS game, and my current state is that I am building the Campaign mode of the game, and want to define the gameplay (The Scoring, Unit Behaviors/Attributes). I am searching for links/articles/books about how to define the gameplay, for me this: The scoring Figuring out levels of control (in any RTS game, there is units, individuals and squads) Unit action/attributes/properties point timing (how long it will take to play?) Achievements ..etc I want to see how they usually define these areas in RTS games, I expect to see general document discussing this concept that I can use to build the gameplay. Any idea? Is my question clear or I need to provide more details?

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• Enabling "AllowDualLinkModes" in xorg.conf

  - by Gausie

  I'm using a GeForce GT 620 (which is dual-link compatable) and a DVI-I dual-link splitter to try to have a desktop extended onto two monitors. At the moment when I plug in the monitors, only the monitor on the female VGA marked "1" gets a signal, and the other screen gets nothing and only one screen is detected by nvidia-settings. After reading around, I have realised that my graphics card probably comes with dual-link disabled by default, and I can enable it by adding an "AllowDualLinkModes" option to my xorg.conf. This is the current state of my xorg.conf Section "Device" Identifier "Default Device" Option "NoLogo" "True" EndSection Where do I put the line about AllowDualLinkModes? Do I create a new Section? Have I misunderstood? Cheers Gausie

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• Exam 71-516: Accessing Data with Microsoft .NET Framework 4

  - by Ricardo Peres

  I had the chance to take the beta version of exam 71-516 today. Here are my thoughts on it: first, I was rather annoyed to discover that I will only know if I passed or not about 8 weeks after the beta period expires (July, 02), which probably means September. It was a difficult exam, especially since I don't have any practice on some of the new Entity Framework options. The items covered, from the most covered to the least covered, were: Entity Framework (50-50 for POCO/Non-POCO) LINQ to SQL WCF Data Services Classic ADO.NET (DataSets, DataTables, DataAdapters, TableAdapters, Connections and Commands LINQ to XML Sync Framework (surprise!) All added up, I think it was a difficult exam. My advise is that you practice a lot! I will post the result as soon as I know it.

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• Resource not found?

  - by SystemNetworks

  When I write in my terminal, java -jar myJar.jar, it gives me an error "Resource Not found res/playNow.png" When I run it in eclipse, it does not give me any errors about this image. My folder in my eclipse is outside my package called res and inside it are images. This is the full error Exception in thread "main" java.lang.RuntimeException: Resource not found: res/playNow.png at org.newdawn.slick.util.ResourceLoader.getResourceAsStream(ResourceLoader.java:69) at org.newdawn.slick.opengl.InternalTextureLoader.getTexture(InternalTextureLoader.java:169) at org.newdawn.slick.Image.<init>(Image.java:196) at org.newdawn.slick.Image.<init>(Image.java:170) at org.newdawn.slick.Image.<init>(Image.java:158) at org.newdawn.slick.Image.<init>(Image.java:136) at javagame.Menu.init(Menu.java:31) at javagame.Game.initStatesList(Game.java:21) at org.newdawn.slick.state.StateBasedGame.init(StateBasedGame.java:164) at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:390) at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314) at javagame.Game.main(Game.java:32) I'm using a terminal in my mac. How do I fix the error Resource Not Found? I'm using slick2d!

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• Eclipse juno: Can't install RadRails throws error for a gem I have installed already

  - by Bogdan M

  The thing is I installed Ubuntu 12.04, Java (for Eclipse), Eclipse, ruby, ruby gems, rails. Everything went smooth. When I tried to prepare Eclipse for ruby on rails, I installed ruby dev kit plugin. This worked, but RadRails failed with this error: Cannot complete the install because one or more required items could not be found. Software currently installed: org.radrails.rails-feature 0.7.2 (org.radrails.rails_feature.feature.group 0.7.2) Missing requirement: Rails Core Plug-in 0.7.2 (org.radrails.rails.core 0.7.2) requires 'bundle org.eclipse.update.core 0.0.0' but it could not be found Cannot satisfy dependency: From: org.radrails.rails-feature 0.7.2 (org.radrails.rails_feature.feature.group 0.7.2) To: org.radrails.rails.core [0.7.2]

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• Value of Certification Proven Again

  - by Paul Sorensen

  Hi Everyone,A recent article in Certification Magazine spells out the value of certification IT professionals and article provides some detailed insight on the state of the economy and what it means to IT professionals. A few of the key findings (among many) by Certification Magazine:Even in this tough economy, IT worker salaries grew at about 9%.Many respondents reported that they received raises after earning a new certification.Many people reported that they had earned one or two new credentials within the last year.Salaries for more entry-level certifications was stagnant over the last year or so.I encourage you to take a look at the article. It is very encouraging to see that companies and individuals still recognize and value the hard work that goes in to getting certified.Thank you,

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