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• Not enough components to start the RAID array?

  - by urig

  I'm trying to retrieve data from a "Western Digital MyBook World Edition (white light)" NAS device. This is basically an embedded Linux box with a 1TB HDD in it formatted in ext3. It stopped booting one day for no apparent reason. I have extracted the HDD from the NAS device and installed it in a desktop machine running Ubuntu 10.10 in the hope of accessing the files on the drive. Unfortunately, Ubuntu has not been able to mount the drive automatically. Having started up Disk Utility I see the drive as a multi disk device called "Array (Array)" showing Metadata Version 0.90.0. The device state is: "Not Running, not enough components to start". When I click the "Start RAID Array" button I get an error saying: "Not enough components to start the RAID array". Can you please tell me which components are missing and how to install them to get access to the drive's filesystem?

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• VMware annonce VMware View 4.6, la solution de virtualisation bureautique améliore l'accès à distance grâce à la prise en charge du PCoIP

  VMware annonce VMware View 4.6 La solution de virtualisation bureautique améliore l'accès à distance grâce à la prise en charge du PCoIP VMware, le spécialiste des logiciels de virtualisation et d'infrastructures de Cloud Computing, annonce la disponibilité générale de la version 4.6 de VMware View, une solution qui offre un accès à distance qui prend désormais en charge le protocole PCoIP. Pour mémoire, la prise en charge du PCoIP permet de simplifier et de sécuriser les processus de connexion à distance et d'authentification sur le poste de travail, et, ajoute Vmware, « en libérant l'entreprise de l'obligation de posséder un VPN SSL ». « La prise en char...

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• VirtualBox install

  - by Chris

  I am using Win 7 Ultimate. I have the current version of Virtualbox. I downloaded Ubuntu 12.10 from the Ubuntu website and the install as disc image. Ubuntu probably goes thru about 75% of the install and then I get an error message saying that there is a hardware issue and cannot continue. The error message also says it cannot read the disc, etc, etc. I have downloaded 2 different versions of Ubuntu. I had downloaded and re-installed VirtualBox twice. I also tried 12.04 but came into the same issue. I downloaded the "desktop AMD-64" Thank you in advance for your help.

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• TELERIK DELIVERS NEW TEAM PRODUCTIVITY TOOLS TO MARKET

  Companys holistic TeamPulse solution addresses agile project management needs Waltham, MA, April 13, 2010 Telerik, a leading provider of development tools and solutions for the Microsoft .NET platform, today announced the launch of TeamPulse, an integrated suite of agile scheduling and planning tools for Microsofts team collaboration platform, Team Foundation Server (TFS). The first version of TeamPulse is available to users immediately in Beta, and is scheduled for commercial launch in July 2010. Developed...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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• Track updated/inserted entities in LINQ to SQL applications

  - by nikolaosk

  In this post I would like to discuss in further detail the issue of track changing of entities in LINQ to SQL applications. I would like to show you how the DataContext object keeps track of all the items that are updated,deleted or inserted in the underlying data store. If you want to have a look at my other post about LINQ to SQL and transactions click here . I am going to demonstrate this with a hands on example. I assume that you have access to a version of SQL Server and Northwind database....(read more)

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• Randomization of biomes

  - by user24527

  You know how in Minecraft, the World is ever-expanding and all the biomes are randomized? My generalized question is: In relation to a space simulation that is also ever-expanding as the player moves about the world, how would one go about programming this randomization in Java? My real question is: Could I get a simplified example broken down into these example classes: astroids (This would include how many astroids there are, their positioning in space, their size, how often the larger astroids occur, how close they are to each other, the limitations of how many of the large asteroids can be in one field, how often astroid fields are generated, etc.) star-types (size, color, type, how often they occur, where hey occur, etc.) inhabitable-planets (size, positioning, how often they're generated, where they are generated, etc.) This would be very helpful currently since I wish to make a simplified version of such a program.

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• XBMC is slow and sluggish in Ubuntu 13.04; how can I speed it up?

  - by Dreamdealer

  I have a Zotac ZBOX ID84 with Intel D2550 proc and Nvidia GT520M GPU, 2GB memory and 320GB hard disk. I tried XBMCbuntu first and it ran perfectly for a few months until I started to mess around with the Terminal. After a re-install I could get the HDMI sound to work again so I installed the latest version of Ubuntu (13.04) instead. That worked fine. The sound and everything worked right away, but the interface of Ubuntu is sluggish and XBMC doesn't run as good as it did in XBMCbuntu. The video playback is slow and it stutters. It speeds up and slows down with the complexity of the video. So, the PC is more than capable to run XBMC and play the videos, but something in Ubuntu (GUI?) slows it down to an unusable pace. Can anybody tell me what I can do to speed things up? Since I'm new to Ubuntu I have no clue where to start looking.

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• Do they ask too much on this job?

  - by user58404

  I am looking for web developer job and this job description caught my eyes. I am not sure how much they offer but I was wondering if anyone here meets all of their requirements? To me, that's a lot of knowledge. 2 to 4+ years experience building web sites and applications in a professional environment Strong working knowledge of HTML5 and CSS3 Strong working knowledge of JavaScript, jQuery, AJAX Working knowledge of Ruby on Rails or similar MVC framework Working knowledge of ExpressionEngine, Wordpress or similar CMS Experience administering a LAMP-based server Experience with cross-platform and cross-browser website testing Comfortable working with version control (preferably Git) Proficient with Adobe Photoshop, Illustrator, and Fireworks Comfortable working on a Mac Self-starter with excellent time-management skills with the ability to meet challenging deadlines Ability to work independently with minimal supervision Desire to work on a small team Bonus Skills: Experience deploying to Heroku or similar PaaS provider. Experience developing Facebook applications A strong sense of design Cool open source projects (send us your Github account!) Advanced working knowledge of server administration and website deployment. Java and/or .NET experience

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• are there compiler options in clang? [on hold]

  - by Deohboeh

  I am learning from The C++ Primer. One of the exercises is to compile a program with arguments in main(). For this I am trying to use mac terminal. I need to compile a C++11 Unix executable file named "main" which takes “f" as an argument. I am using Xcode 4.6.3 on OS X Lion. I compiled the program with clang++ -std=c++11 -stdlib=libc++ main.cpp -o main. But don’t know what to do next. I found -frecord-gcc-switches while searching compiler options on google. It does what I need to do. Is there a clang version of this? Please use simple language. I have never used command line before. I tried going through the clang user guide but a lot of it is out of my depth.

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• July 7th - Java 7th launch

  - by alexismp

  Java 7 is around the corner and Oracle is hosting a multi-city launch event on July 7th called "Java 7, Moving Java Forward". This event will be held simultaneously in Oracle HQ (Redwood Shores, CA), in Sao Paulo, Brazil and in London UK to celebrate to almost-ready version 7 of Java, the first one in five years! In addition to the live event and the ability for you to attend in person if you're in one of those cities, many Java User Groups are planning Java 7 meetings on the same day or soon after, so check your favorite JUG's upcoming meetings. Chances are there's a Java 7 event nearby. Tori has all the details for this launch event over on the OTN blog. Register directly here.

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• Taking web sites offline for demonstration on iPad

  This article is the iOS sequel to the initial article about how to prepare an offline version of your web site for the purpose of demonstration or for exhibitions: Taking web sites offline for demonstration. If you didn't read the original article, please take some minutes (5 to 10 maximum) to gain a better understanding on the following. Thanks. I'm going to describe my steps using a new iPad (3rd generation) running on iOS 6. Originally, I did this procedure on iOS 5 which actually provides the same results.

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• Rebooting yes, Shutdown no

  - by Chiotis Leonidas

  Hello everyone and thanks in advance. I am new in Ubuntu and have the 12.04 version dual boot with Windows XP. I have the following problem. The laptop can reboot using the reboot option from the menu but it cannot shut down. It starts shutting down, the dots appear but then it freezes and does not turn off. Sometimes it shuts down normally (usually just after an update) but then it loses that capability again. Some strange things, I noticed that when the dots freeze, the USB mouse loses power, BUT the usb-powered cooling pad continues to work The only Fn shortcuts that work all the time are the Volume up, down and mute, BUT sometimes when the other Fn combinations (screen-off etc) work the computer shuts down normally I searched a lot on my own, please help.

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• Upgrade MySQL to 5.5 on Lucid, upgrade server to Precise or switch to Percona?

  - by xref

  Looking into upgrading mysql on our development server to which is running 10.04 so is stuck at MySQL 5.1, as it appears there is no apt-get support for upgrading to 5.5 except by certain 3rd party PPAs. So I'm looking for which route to take and what other people have done: a) Follow a couple year old guide to manually install MySQL 5.5 and then invest ongoing time into manually downloading and installing security updates every month or two? b) Upgrade 10.04 to 12.04, and from other peoples experience I work with spend several days working out the kinks of that large upgrade, then I'll have access to mysql 5.5 and easy apt-get installation of future security updates? c) Switch from MySQL to Percona Server 5.5 and get all the benefits of that version of mysql, plus easy apt-get updates with their PPA? d) Something else?

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• Whats new in Silverlight 4 RC?

  I am here in Las Vegas for MIX10 where Scott Guthrie announced today the release of Silverlight 4 RC and the Visual Studio 2010 tools. You can now install VS2010 RC!!! As always, downloads links are here: www.silverlight.net He also said that the final version of Silverlight 4 will come next month (so april)! 4 months ago, I wrote a blog post on the new features of Silverlight 4 beta, so whats new in the RC ?   Rich Text RichTextArea renamed to RichTextBox Text position and selection...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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• ERROR_PROCEDURE Does Not Return a Schema Name

  "A recent blog entry I read reminded me again that I wanted to rant about an issue in SQL Server for quite some time now. SQL Server 2005 introduced the separation between user and schema. Though schemata already existed before SQL Server 2005, they really became usable with this version, imho. At the same time TRY...CATCH was a new way for structured error handling introduced. And so it finally became possible…" NEW! SQL Monitor 2.0Monitor SQL Server Central's servers withRed Gate's new SQL Monitor.No installation required. Find out more.

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• The SQL Server ODBC Driver for Linux is Available!

  - by The Official Microsoft IIS Site

  The first beta release of the SQL Server ODBC Driver for Linux is available for download! As announced in October , the “Multiplatform Team” (a.k.a. the “MPlat Team”) has released a preview version of a driver that will provide first-class access to SQL Server from applications running on Linux operating systems. The team is looking for feedback on this release to incorporate into their production-ready release, so try it out and let us know what you think. Here are the important...(read more)

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• Multi language switch links translated or in current language?

  - by FFish

  Should I do: A: translate the language links in the current language: (if I am on the English version) <a href="en/">English</a> | <a href="it/">Italian</a> | <a href="fr/">French B: the links in the native languages: <a href="en/">English</a> | <a href="it/">Italiano</a> | <a href="fr/">Français</a> From a user perspective option B is obvious, but what about SEO?

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• Local LINQtoSQL Database For Your Windows Phone 7 Application

  - by Tim Murphy

  There aren’t many applications that are of value without having some for of data store.  In Windows Phone development we have a few options.  You can store text directly to isolated storage.  You can also use a number of third party libraries to create or mimic databases in isolated storage.  With Mango we gained the ability to have a native .NET database approach which uses LINQ to SQL.  In this article I will try to bring together the components needed to implement this last type of data store and fill in some of the blanks that I think other articles have left out. Defining A Database The first things you are going to need to do is define classes that represent your tables and a data context class that is used as the overall database definition.  The table class consists of column definitions as you would expect.  They can have relationships and constraints as with any relational DBMS.  Below is an example of a table definition. First you will need to add some assembly references to the code file. using System.ComponentModel;using System.Data.Linq;using System.Data.Linq.Mapping; You can then add the table class and its associated columns.  It needs to implement INotifyPropertyChanged and INotifyPropertyChanging.  Each level of the class needs to be decorated with the attribute appropriate for that part of the definition.  Where the class represents the table the properties represent the columns.  In this example you will see that the column is marked as a primary key and not nullable with a an auto generated value. You will also notice that the in the column property’s set method It uses the NotifyPropertyChanging and NotifyPropertyChanged methods in order to make sure that the proper events are fired. [Table]public class MyTable: INotifyPropertyChanged, INotifyPropertyChanging{ public event PropertyChangedEventHandler PropertyChanged; private void NotifyPropertyChanged(string propertyName) { if(PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } public event PropertyChangingEventHandler PropertyChanging; private void NotifyPropertyChanging(string propertyName) { if(PropertyChanging != null) { PropertyChanging(this, new PropertyChangingEventArgs(propertyName)); } } private int _TableKey; [Column(IsPrimaryKey = true, IsDbGenerated = true, DbType = "INT NOT NULL Identity", CanBeNull = false, AutoSync = AutoSync.OnInsert)] public int TableKey { get { return _TableKey; } set { NotifyPropertyChanging("TableKey"); _TableKey = value; NotifyPropertyChanged("TableKey"); } } The last part of the database definition that needs to be created is the data context.  This is a simple class that takes an isolated storage location connection string its constructor and then instantiates tables as public properties. public class MyDataContext: DataContext{ public MyDataContext(string connectionString): base(connectionString) { MyRecords = this.GetTable<MyTable>(); } public Table<MyTable> MyRecords;} Creating A New Database Instance Now that we have a database definition it is time to create an instance of the data context within our Windows Phone app.  When your app fires up it should check if the database already exists and create an instance if it does not.  I would suggest that this be part of the constructor of your ViewModel. db = new MyDataContext(connectionString);if(!db.DatabaseExists()){ db.CreateDatabase();} The next thing you have to know is how the connection string for isolated storage should be constructed.  The main sticking point I have found is that the database cannot be created unless the file mode is read/write.  You may have different connection strings but the initial one needs to be similar to the following. string connString = "Data Source = 'isostore:/MyApp.sdf'; File Mode = read write"; Using you database Now that you have done all the up front work it is time to put the database to use.  To make your life a little easier and keep proper separation between your view and your viewmodel you should add a couple of methods to the viewmodel.  These will do the CRUD work of your application.  What you will notice is that the SubmitChanges method is the secret sauce in all of the methods that change data. private myDataContext myDb;private ObservableCollection<MyTable> _viewRecords;public ObservableCollection<MyTable> ViewRecords{ get { return _viewRecords; } set { _viewRecords = value; NotifyPropertyChanged("ViewRecords"); }}public void LoadMedstarDbData(){ var tempItems = from MyTable myRecord in myDb.LocalScans select myRecord; ViewRecords = new ObservableCollection<MyTable>(tempItems);}public void SaveChangesToDb(){ myDb.SubmitChanges();}public void AddMyTableItem(MyTable newScan){ myDb.LocalScans.InsertOnSubmit(newScan); myDb.SubmitChanges();}public void DeleteMyTableItem(MyTable newScan){ myDb.LocalScans.DeleteOnSubmit(newScan); myDb.SubmitChanges();} Updating existing database What happens when you need to change the structure of your database?  Unfortunately you have to add code to your application that checks the version of the database which over time will create some pollution in your codes base.  On the other hand it does give you control of the update.  In this example you will see the DatabaseSchemaUpdater in action.  Assuming we added a “Notes” field to the MyTable structure, the following code will check if the database is the latest version and add the field if it isn’t. if(!myDb.DatabaseExists()){ myDb.CreateDatabase();}else{ DatabaseSchemaUpdater dbUdater = myDb.CreateDatabaseSchemaUpdater(); if(dbUdater.DatabaseSchemaVersion < 2) { dbUdater.AddColumn<MyTable>("Notes"); dbUdater.DatabaseSchemaVersion = 2; dbUdater.Execute(); }} Summary This approach does take a fairly large amount of work, but I think the end product is robust and very native for .NET developers.  It turns out to be worth the investment. del.icio.us Tags: Windows Phone,Windows Phone 7,LINQ to SQL,LINQ,Database,Isolated Storage

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• Install/Downgrade kernel to v3.5.5 on Ubuntu 13.04

  - by Villi Magg

  I've been looking around the internet for a solution to downgrade the kernel from 3.8 to 3.5.5 since I've got the AMD/Ati Radeon Mobility HD 5600 graphic card on my machine. This video card in unfortunately not supported by the 3.8 kernel. And then when I've downgraded the kernel I need to install a version 12.* of the AMD Catalyst driver. There is too much in stake to wipe out the current installation of the OS and install an older OS. So I would like to avoid doing that to the ends of the world. Hope someone can help me with this one? Kind regards! Villi Magg.

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• PHP 5.5 sort en Alpha1 et introduit les générateurs, le block Finally ainsi qu'une API de hachage des mots de passe

  PHP 5.5 sort en Alpha 1 et introduit les générateurs, le block Finally ainsi qu'une API de hachage des mots de passe Le cycle de publication de PHP 5.5.0 vient officiellement de débuter. Les développeurs de la plateforme Web ont publié la première version Alpha de PHP 5.5.0. PHP 5.5.0 apporte des nouvelles fonctionnalités majeures au langage, dont le support des générateurs. Les générateurs sont un moyen simple et puissant de créer des itérateurs. L'introduction des générateurs dans PHP va permettre aux développeurs d'implémenter des itérateurs sans avoir à écrire beaucoup de code décoratif. Le support des générateurs s'accompagne de l'introduction du nouveau mot c...

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• New Development Snapshot

  I got a little side tracked by the investigation of the Google Collections test suite performance issue, reported by Albert Strasheim in the comments to the previous snapshot. This caused me to do some work on exception handling (unfortunately without any performance benefit to the Google Collections test suite) which, in turn, triggered something I've been wanting to do for while, namely to introduce a stub version of IKVM.OpenJDK.Core.dll which can...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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• The First European NHibernate Day is next fall in Italy: announcement and call for speakers

  UgiAlt.NET together with DotNetMarche organizes the First European NHibernate Day: it will be held in Bologna (Italy) next 9th October. The event is open to everyone (not only from Italy) as most of the sessions will be delivered in English. We just setup the site for the NHDay, but at the moment its only in Italian: an English version will be published in a few weeks. The topics It will be a full day free two tracks conference on everything about NHibernate: the main track will be on...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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• Dual-Monitor layout and primary display with Nvidia in Gnome-Shell

  - by java4fun

  I have installed Ubuntu 14.04.1 with gnome-shell version 3.10.4. I can attach a second monitor to my laptop and it is recognized. If I configure it with the nvidia-settings at the right of my laptop then all works fine (the extention of the display works as an extention on the right, not dual). Now what I want is to have the second monitor configured over the laptop-display. When I'm not using gnome-shell, it works correct (I can drag an application from the bottom display to the top normally) but with gnome-shell I have to press Ctrl+Shift+ mouse help, and resize properly the application size. This is for me an enforcing. Is there a way to make that gnome-shell work properly with a bottom/top monitor?

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• PowerXpress error with Driver Catalyst. How can I fix it?

  - by J03Bukowski

  I have install Ubuntu 11.10 64bit on my Hp Dv6-3150el. My Notebook has two graphics cards: lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) 01:00.0 VGA compatible controller: ATI Technologies Inc Madison [AMD Radeon HD 5000M Series] I tried to install the proprietary graphics drivers ''fglrx'' available in "Additional Drivers", which does not give me 3D graphics acceleration (and I can't install those post-release). Then I can try to download and install from the website (I tried the version that Catalyst 11.8 11.12). The installation goes perfectly (I followed this guide and others), except that when I configure Xorg.conf file: sudo aticonfig --initial PowerXpress error: Cannot stat '/usr/lib64/fglrx': No such file or directory Failed to initialize libglx for discrete GPU

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• Eclipse: AVD not appearing

  - by dgood1

  I have installed the ADT bundle for 32 bit. Using Ubuntu 12.04 Updated it a bit and installed the 2.3.3 Android version. I have Eclipse Indigo. When I use the Android Virtual Machine manager, after choosing a device, I get the progress bar after pressing "Start" but it disappears when it finishes and no virtual machine appears. No errors, too. I fear it would be a problem with my RAM (Laptop's = 512(or less). Allocated to Device = 128 - 300), having been told by a teacher that the emulator requires 2 GB RAM. I would like confirmation and/or solution.

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