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  • Live Webcast Oracle VM-Design Considerations For Enterprise Scale Deployment – June 10

    - by Roxana Babiciu
    The Oracle Managed Cloud Services team serves up thousands of Oracle applications to end users on a daily basis. With nearly 20,000 Oracle VM instances powering this operation, it’s imperative to maintain a highly available environment. Curious as to how this is done? Join the Oracle Managed Cloud Services expert in this live webcast to gain valuable insights into architectural design and management best practices to build and run this highly successful hosted cloud operation.

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  • SSIS Dashboard 0.5.2 and Live Demo Website

    - by Davide Mauri
    In the last days I’ve worked again on the SQL Server Integration Service Dashboard and I did some updates: Beta Added support for "*" wildcard in project names. Now you can filter a specific project name using an url like: http://<yourserver>/project/MyPro* Added initial support for Package Execution History. Just click on a package name and you'll see its latest 15 executions and I’ve also created a live demo website for all those who want to give it a try before downloading and using it: http://ssis-dashboard.azurewebsites.net/

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  • Silverlight 4 Launch Event – Watch it live

    - by guybarrette
    The Silverlight 4 Launch Event will be available in streaming live from DevConnections on Tuesday April 13th 2010.  Check www.silverlight.net for more info. BTW, wearing a red shirt is mandatory for watching.  The streaming police will disconnect you if you don’t  ;-)   Photo via Katrien’s blog var addthis_pub="guybarrette";

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  • How one could use a live editor

    - by Sathvik
    I was thinking about a live editing environment where code / a source file is synchronized so that, changes made by one user would be carried across to all others editing the file. Something like Google Wave, but for code. Could this kind of an environment be better for the code, as changes are shared instantly? (with revision-control, of course) Has anyone tried (or has had a need for) using a shared environment for code?

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  • YouTube Developers Live: WeVideo

    YouTube Developers Live: WeVideo Please use Google Moderator to ask questions: goo.gl This week, we chat with the folks behind WeVideo. They're a cloud-based video editor, which lets users publish their final movie on YouTube. WeVideo's rendering farm prepares the complete movie from high-quality originals and uploads the final file to the user's YouTube channel using the Data API. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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  • Can't install Dual Boot from USB live - crash and nouvea problem

    - by user215064
    I just got a new laptop with Windows 8 pre-installed and I'm trying to make a dual boot with Ubuntu on my other hard drive but I can't make the Live USB work. I followed all the procedure for disabling the Security Boot and the UEFI setting but still doesn't work. It seems to start the installing procedure but I never get to choose anything: after a few seconds the screen turns black with an error message [18.707838] divide error: 0000 [#1] SMP (it goes on for several lines quoting some nouveau problem). Any ideas?

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  • Nov.13th Live Partnercast: Topics Include Communications Industry, CX Updates

    - by Roxana Babiciu
    Join the next Live PartnerCast at partners.oracle.com on Wednesday, November 13th at 10:00AM PT. In addition to a review of the latest news happening around the OPN community, interviews with Oracle experts will discuss the following topics: Communications updates around the Acme Packet and Tekelec acquisitions Primavera updates around the Skire and Instantis acquisitions CX updates focusing on Oracle SRM (Social Relationship Management) Learn more about OPN PartnerCasts.

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  • qooxdoo 4.0 : le framework JavaScript adopte les Pointers Events, l'équipe unifie les périphériques

    qooxdoo 4.0 : le framework JavaScript adopte les Pointers Events L'équipe unifie les périphériques (Desktop, Mobile et Site Web)qooxdoo est un framework JavaScript basé sur le système de classes. Il est open source et permet le développement d'applications Web dites « riches » (RIA). La principale nouveauté de la version 4.0 concerne les outils GUI des trois types de plate-formes (site Web, mobile et desktop).Événements indépendants du périphérique d'entréeLes applications qooxdoo peuvent désormais...

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  • Runnin Framework 4.0 with Powershell

    - by Mike Koerner
    I had problems running scripts with Framework 4.0 assemblies I created.  The error I was getting was  Add-Type : Could not load file or assembly 'file:///C:\myDLL.dll' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. I had to add the supported framework to the powershell.exe.config file.<supportedRuntime version="v4.0.30319"/>I still had a problem running the assembly so I had to recompile and set "Generate serialization Assembly" to off.

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  • Intro to Entity Framework with SQL Server

    I'm a DBA and the developers in my organization are starting to use something called the Entity Framework (EF) in their applications. The developers are telling me that with EF you don't use stored procedures, you simply write .NET code to perform all of your data access. When I use the SQL Server Profiler to take a look at what they're doing, all I see is a bunch of dynamic SQL being executed. Naturally I'm a little skeptical of this, so can you help me to understand what is this Entity Framework?

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  • Argument exception after trying to use TryGetObjectByKey

    - by Rickjaah
    Hi, I'm trying to retrieve an object from my database using entity (framework 4) When I use the following code it gives an ArgumentException: An item with the same key has already been added. if (databaseContext.TryGetObjectByKey(entityKey, out result)) { return (result != null && result is TEntityObject) ? result as TEntityObject : null; } else { return null; } When I check the objectContext, I see the entities, but only if I enumerate the specific list of entities manually using VS2010, it works. What am I missing? Do I have to do something else before i can get the item from the database? I have lazy loading set to true. I searched google, but could not find any results, the same for the msdn library

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  • Is there a way to test HTTP Live Streaming via an iSight camera?

    - by bpapa
    I'm working on an iPhone app that will use HTTP Live Streaming. Using Apple's provided tools (particularly mediafilesegmenter), I'm able to successfully segment and serve an archived video. Now I want to test Live Streaming stuff. I don't own any sort of camcorder, I just have my iSight built-in to my Mac. Is there a way to leverage this camera to test out Live Streaming? Run iSight from the command line maybe? If so, I need a port number for mediastreamsegmenter.

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  • How can I hide a database column in the entity model?

    - by Nick Butler
    Hi. I'm using the Entity Framework 4 and have a question: I have a password column in my database that I want to manage using custom SQL. So I don't want the model to know anything about it. I've tried deleting the property in the Mapping Details window, but then I got a compilation error: Error 3023: Problem in mapping fragments starting at line 1660:Column User.Password in table User must be mapped: It has no default value and is not nullable. So, I made the column nullable in the database and updated the model. Now I get this error: Error 3004: Problem in mapping fragments starting at line 1660:No mapping specified for properties User.Password, User.Salt in Set Users. An Entity with Key (PK) will not round-trip when: Entity is type [UserDirectoryModel.User] Any ideas please? Thanks, Nick

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  • Where to get streaming (live) video and audio from camera example app for Android?

    - by Ole Jak
    Where to get streaming (live) video and audio from camera example for Android? Suppose I want to create some live video streaming service app so I'll have some cool server at the back end. And I know how to do that part. Suppose I have some stand alone app for PCs now I want to go on to mobile devices. So I want to see some sample app grabing audio and video streams from Phone, Synchronizing them, encoding somehow, and sending LIVE stream to server. I need any Open-Source sample that will do this or something like this. Where can I get one?

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  • Is there an ORM with APIs to be used programatically?

    - by Kabeer
    Hello. Neither did not get any response for my previous question, nor enough views :) So here I am now framing my query afresh. Is there any ORM that offers APIs to be used programatically? In my situation, a user will be helped through a wizard to define some entities. Thereafter those entites will be created in a database in form of tables (there will of course be some improvization). I need an ORM that offers APIs for modeling and creating entities during application runtime and not just during design time. Mine is a .Net application, therefore I was looking at Entity Framework. However, to me it looked tied to Visual Studio (I may be wrong also as I am new to it). Any recommendations? Or alternative point of view?

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  • Trying to format drive fails

    - by david
    since I will be doing an internship for which i need to use Windows software, I have decided to ruin my day trying to remove my Ubuntu 12.04, install Win XP SP3 (since the DualBoot theme from ubuntu suggests to first install Windows and then Ubuntu, for problems with the bootloader if you do it the other way around) and then reinstall Ubuntu 12.04 since I would like to keep using it as my primary operating system, using WinXP exclusively for the internship. Other than that, I would like to have a partition for the data, which can be used by both Ubuntu and Windows. So now, I have used the disk utility run from an ubuntu-live cd to format my drive with Master Boot Record (being conscious of the fact that this way I will lose all my data, which I have saved on an external drive before, and that my Ubuntu won't work anymore afterwards), creating partitions for Windows (NTFS), personal data (FAT, since as far as I know both Ubuntu and Windows can deal with this), a Swap partition for Linux, and one partition for Ubuntu (ext4); trying to install Win XP from cd gives me a blue screen, which stops the setup and telling me to remove all recently installed drives and to run CHKDSK. So I thought, that maybe Windows doesn't like pre-partitioned drives for its installation and thus I need to re-format my hard drive in order to have a completely "new" drive, which I can then, during the Windows-installation, partition in order to create the partitions I need. Trying to do this, though, the disk-utility run from the live-CD gives me this warning: Error creating partition table: helper exited with exit code 1: In part_create_partition_table: device_file=/dev/sda, scheme=0 got it got disk committed to disk BLKRRPART ioctl failed for /dev/sda: Device or resource busy I do not understand why it tells me that the hard-drive is busy, because, as stated above, I am doing all this from a live-CD. Thus, my questions are: How can I resolve the error given by the disk utility? Does it make sense to use four partitions in the way mentioned above? And if not so, which partitions should I create? Can I, theoretically, partition my drive from an Ubuntu live-cd in order to create the partitions I want and to install first Windows and then Ubuntu? Thanks for any help, David

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  • How to disable visual effects and compiz 100%

    - by oshirowanen
    UPDATE 1: The problem is not a monitor refresh rate flickering problem, as then the whole screen would be flickering. For me, only the application windows flicker in and out of view, then most of the time, when there do decide to show themselves, they only partly show themselves, like just top half, bottom half, left half, corner missing, window disappears when you try moving it or mouse over it even etc etc. I know it is a visual effect problem as I know my computer cannot handle visual effects and for some reason when the windows do appear partly, I can see the shadows behind the windows. Those shadows are part of the visual effects which are turned on by default for some reason. I get the same problem with 10.04, but can quickly turn off the visual effects by right clicking the desktop, selecting change background image, and in the visual effects tab, I can click on none, which stops all the visual problems. ORIGINAL QUESTION: I am having problems with 11.04 on my computer. For some reason it is enabling visual effects by default in the live cd when it should not be as my computer cannot support such effects. My computer cannot support Unity either, but it defaults to standard gnome with visual effects for some reason. It should be defaulting to standard gnome with no visual effects. THerefore, all I get is a very flickery live cd which makes it very difficult to see anything. So my question is, how do I disable the visual effects from the live cd? To put it simply, the live cd flickering is so bad, that I had to log back into my standard 10.04 install just to write this question, as I just couldn't see enough of the screen because of the flickering in 11.04 to even get to askubuntu.com...

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  • Argument exception after trying to use TryGetObjectByKey

    - by Rickjaah
    Hi, EDIT: Somethings wrong.... I have to use objectContext.Frontpages.ToArray() before I can use TryGetObjectByEntityKey(). Any ideas anyone? I'm trying to retrieve an object from my database using entity (framework 4) When I use the following code it gives an ArgumentException: An item with the same key has already been added. if (databaseContext.TryGetObjectByKey(entityKey, out result)) { return (result != null && result is TEntityObject) ? result as TEntityObject : null; } else { return null; } When I check the objectContext, I see the entities, but only if I enumerate the specific list of entities manually using VS2010, it works. What am I missing? Do I have to do something else before i can get the item from the database? I searched google, but could not find any results, the same for the msdn library EDIT: Still working on this.... It's a weird problem. I retrieve a value, but get an error that says a duplicate item exists. STACKTRACE: [ArgumentException: An item with the same key has already been added.] System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +52 System.Collections.Generic.Dictionary2.Insert(TKey key, TValue value, Boolean add) +9549131 System.Data.Metadata.Edm.ObjectItemAttributeAssemblyLoader.LoadRelationshipTypes() +661 System.Data.Metadata.Edm.ObjectItemAttributeAssemblyLoader.LoadTypesFromAssembly() +17 System.Data.Metadata.Edm.ObjectItemAssemblyLoader.Load() +25 System.Data.Metadata.Edm.ObjectItemAttributeAssemblyLoader.Load() +4 System.Data.Metadata.Edm.AssemblyCache.LoadAssembly(Assembly assembly, Boolean loadReferencedAssemblies, ObjectItemLoadingSessionData loadingData) +160 System.Data.Metadata.Edm.AssemblyCache.LoadAssembly(Assembly assembly, Boolean loadReferencedAssemblies, KnownAssembliesSet knownAssemblies, EdmItemCollection edmItemCollection, Action1 logLoadMessage, Object& loaderCookie, Dictionary2& typesInLoading, List1& errors) +166 System.Data.Metadata.Edm.ObjectItemCollection.LoadAssemblyFromCache(ObjectItemCollection objectItemCollection, Assembly assembly, Boolean loadReferencedAssemblies, EdmItemCollection edmItemCollection, Action`1 logLoadMessage) +316 System.Data.Metadata.Edm.MetadataWorkspace.ImplicitLoadAssemblyForType(Type type, Assembly callingAssembly) +306 System.Data.Metadata.Edm.MetadataWorkspace.ImplicitLoadFromEntityType(EntityType type, Assembly callingAssembly) +109 System.Data.Objects.ObjectContext.TryGetObjectByKey(EntityKey key, Object& value) +288 EDIT: Lazy loading is set to true. EDIT: Somethings wrong.... I have to use objectContext.Frontpages.ToArray() before I can use TryGetObjectByEntityKey(). Any ideas anyone?

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  • Best practice for structuring a new large ASP.NET MVC2 plus EF4 VS2010 solution?

    - by Nick
    Hi, we are building a new web application using Microsoft ASP.NET MVC2 and Entity Framework 4. Although I am sure there is not one right answer to my question, we are struggling to agree a VS2010 solution structure. The application will use SQL Server 2008 with a possible future Azure cloud version. We are using EF4 with T4 POCOs (model-first) and accessing a number of third-party web-services. We will also be connecting to a number of external messaging systems. UI is based on standard ASP.NET (MVC) with jQuery. In future we may deliver a Silverlight/WPF version - as well as mobile. So put simply, we start with a VS2010 blank solution - then what? I have suggested 4 folders Data (the EF edmx file etc), Domain (entities, repositories), Services (web-services access), Presentation (web ui etc). However under Presentation, creating the ASP.NET MVC2 project obviously creates it's own Models folder etc and it just doesn't seem to fit too well in this proposed structure. I'm also missing a business layer (or does this sit in the domain?). Again I am sure there is no one right way to do it, but I'd really appreciate your views on this. Thanks

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  • Extending EF4 SQL Generation

    - by Basiclife
    Hi, We're using EF4 in a fairly large system and occasionally run into problems due to EF4 being unable to convert certain expressions into SQL. At present, we either need to do some fancy footwork (DB/Code) or just accept the performance hit and allow the query to be executed in-memory. Needless to say neither of these is ideal and the hacks we've sometimes had to use reduce readability / maintainability. What we would ideally like is a way to extend the SQL generation capabilities of the EF4 SQL provider. Obviously there are some things like .Net method calls which will always have to be client-side but some functionality like date comparisons (eg Group by weeks in Linq to Entities ) should be do-able. I've Googled but perhaps I'm using the wrong terminology as all I get is information about the new features of EF4 SQL Generation. For such a flexible and extensible framework, I'd be surprised if this isn't possible. In my head, I'm imagining inheriting from the [SQL 2008] provider and extending it to handle additional expressions / similar in the expression tree it's given to convert to SQL. Any help/pointers appreciated. We're using VS2010 Ultimate, .Net 4 (non-client profile) and EF4. The app is in ASP.Net and is running in a 64-Bit environment in case it makes a difference.

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  • Mapping composite foreign keys in a many-many relationship, with overlapping components.

    - by Kirk Broadhurst
    I have a Page table and a View table. There is a many-many relationship between these two via a PageView table. Unfortunately all of these tables need to have composite keys (for business reasons). Page has a primary key of (PageCode, Version), View has a primary key of (ViewCode, Version). PageView obviously enough has PageCode, ViewCode, and Version. The FK to Page is (PageCode, Version) and the FK to View is (ViewCode, Version) Makes sense and works, but when I try to map this in Entity framework I get Error 3021: Problem in mapping fragments...: Each of the following columns in table PageView is mapped to multiple conceptual side properties: PageView.Version is mapped to (PageView_Association.View.Version, PageView_Association.Page.Version) So clearly enough, EF is having a complain about the Version column being a common component of the two foreign keys. Obviously I could create a PageVersion and ViewVersion column in the join table, but that kind of defeats the point of the constraint, i.e. the Page and View must have the same Version value. Has anyone encountered this, and is there anything I can do get around it? Thanks!

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