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  • How can I upgrade to 10.10 from 10.10 beta

    - by n179911
    Can you please tell me how can I upgrade to ubuntu 10.10 release from ubuntu 10.10 beta? I have go to update manager, it keeps saying there is no update. And what I go to synaptic package manager, I see this error: W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192 W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/maverick/Release W: Some index files failed to download, they have been ignored, or old ones used instead.

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  • web application or web portal? [closed]

    - by klo
    as title said differences between those 2. I read all the definition and some articles, but I need information about some other aspects. Here is the thing. We want to build a web site that will contain: site, database, uploads, numerous background services that would have to collect information from uploads and from some other sites, parse them etc...I doubt that there are portlets that fits our specific need so we will have to make them our self. So, questions: 1. Deployment ( and difference in cost if possible), is deploying portals much more easier then web app ( java or .net) 2. Server load. Does portal consume much of server power ( and can you strip portal of thing that you do not use) 3. Implementation and developing of portlets. Can u make all the things that you could have done in java or .net? 4. General thoughts of when to use portals and when classic web app. Tnx all in advence...

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  • How can I create blog post functionality without Wordpress or Drupal?

    - by Ali
    I'm currently learning Python (as a beginner in programming). I go through each chapter learning basics. I haven't gotten far enough to understand how CMS works. I eventually want a blog that doesn't depend on Wordpress or Drupal. I would like to develop it myself as my skills progress. My immediate curiosity is on blog posts. What is the component called that will allow me to make a daily post on my blog? There must be a technical term for this function. I would like to learn how to make one, but don't even know what to research. Everything I research points me to Wordpress or Drupal. I would like to create my own. Thanks in advance! Ali

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  • problem opening eclipse

    - by Marchosius
    I'm having a problem loading Eclipise in 12.04. I loaded the error log and this was inside: !SESSION 2012-09-03 16:52:09.742 ----------------------------------------------- eclipse.buildId=I20110613-1736 java.version=1.7.0_07 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Command-line arguments: -os linux -ws gtk -arch x86_64 !ENTRY org.eclipse.osgi 4 0 2012-09-03 16:52:11.317 !MESSAGE Application error !STACK 1 java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: no swt-gtk-3740 in java.library.path no swt-gtk in java.library.path Can't load library: /home/marcel/.swt/lib/linux/x86_64/libswt-gtk-3740.so Can't load library: /home/marcel/.swt/lib/linux/x86_64/libswt-gtk.so at org.eclipse.swt.internal.Library.loadLibrary(Library.java:285) at org.eclipse.swt.internal.Library.loadLibrary(Library.java:194) at org.eclipse.swt.internal.C.<clinit>(C.java:21) at org.eclipse.swt.internal.Converter.wcsToMbcs(Converter.java:63) at org.eclipse.swt.internal.Converter.wcsToMbcs(Converter.java:54) at org.eclipse.swt.widgets.Display.<clinit>(Display.java:132) at org.eclipse.ui.internal.Workbench.createDisplay(Workbench.java:695) at org.eclipse.ui.PlatformUI.createDisplay(PlatformUI.java:161) at org.eclipse.ui.internal.ide.application.IDEApplication.createDisplay(IDEApplication.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:95) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386) I had openJDK installed and to remove and replace with Oracle Java to install Aptana Studio. This thread explains it all. So now reinstalled OpenJDK, this might give some insight to the problem?

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  • Directory structure for a website (js/css/img folders)

    - by nightcoder
    For years I've been using the following directory structure for my websites: <root> ->js ->jquery.js ->tooltip.js ->someplugin.js ->css ->styles.css ->someplugin.css ->images -> all website images... it seemed perfectly fine to me until I began to use different 3rd-party components. For example, today I've downloaded a datetime picker javascript component that looks for its images in the same directory where its css file is located (css file contains urls like "url('calendar.png')"). So now I have 3 options: 1) put datepicker.css into my css directory and put its images along. I don't really like this option because I will have both css and image files inside the css directory and it is weird. Also I might meet files from different components with the same name, such as 2 different components, which link to background.png from their css files. I will have to fix those name collisions (by renaming one of the files and editing the corresponding file that contains the link). 2) put datepicker.css into my css directory, put its images into the images directory and edit datepicker.css to look for the images in the images directory. This option is ok but I have to spend some time to edit 3rd-party components to fit them to my site structure. Again, name collisions may occur here (as described in the previous option) and I will have to fix them. 3) put datepicker.js, datepicker.css and its images into a separate directory, let's say /3rdParty/datepicker/ and place the files as it was intended by the author (i.e., for example, /3rdParty/datepicker/css/datepicker.css, /3rdParty/datepicker/css/something.png, etc.). Now I begin to think that this option is the most correct. Experienced web developers, what do you recommend?

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  • How to share a folder using the Ubuntu One Web API

    - by Mario César
    I have successfully implement OAuth Authorization with Ubuntu One in Django, Here are my views and models: https://gist.github.com/mariocesar/7102729 Right now, I can use the file_storage ubuntu api, for example the following, will ask if Path exists, then create the directory, and then get the information on the created path to probe is created. >>> user.oauth_access_token.get_file_storage(volume='/~/Ubuntu One', path='/Websites/') <Response [404]> >>> user.oauth_access_token.put_file_storage(volume='/~/Ubuntu One', path='/Websites/', data={"kind": "directory"}) <Response [200]> >>> user.oauth_access_token.get_file_storage(volume='/~/Ubuntu One', path='/Websites/').json() {u'content_path': u'/content/~/Ubuntu One/Websites', u'generation': 10784, u'generation_created': 10784, u'has_children': False, u'is_live': True, u'key': u'MOQgjSieTb2Wrr5ziRbNtA', u'kind': u'directory', u'parent_path': u'/~/Ubuntu One', u'path': u'/Websites', u'resource_path': u'/~/Ubuntu One/Websites', u'volume_path': u'/volumes/~/Ubuntu One', u'when_changed': u'2013-10-22T15:34:04Z', u'when_created': u'2013-10-22T15:34:04Z'} So it works, it's great I'm happy about that. But I can't share a folder. My question is? How can I share a folder using the api? I found no web api to do this, the Ubuntu One SyncDaemon tool is the only mention on solving this https://one.ubuntu.com/developer/files/store_files/syncdaemontool#ubuntuone.platform.tools.SyncDaemonTool.offer_share But I'm reluctant to maintain a DBUS and a daemon in my server for every Ubuntu One connection I have authorization for. Any one have an idea how can I using a web API to programmatically share a folder? even better using the OAuth authorization tokens that I already have.

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  • Twitter Feeds in Umbraco using XSLT

    - by Vizioz Limited
    There are currently two packages tagged on the Umbraco forum that can be used to add a twitter feed to your website. I was playing around with "Twitter for Umbraco" by Warren Buckley and noticed a bug in the way it converted twitter @names to links, so I thought I would try and solve this using XSLT.It may also be useful for those of you using Darren Ferguson's "Feed Cache" package as the demo on Darren's site does not add links to the tweets.To use this XSLT you simple call the XSLT Template passing in your Twitter message:<xsl:call-template name="formaturl"> <xsl:with-param name="url" select="text"/></xsl:call-template>Then add the XSLT template to your XSLT macro (outside of the main template)<xsl:template name="formaturl"> <xsl:param name="twitterfeed"/> <xsl:variable name="transform-http" select="Exslt.ExsltRegularExpressions:replace($twitterfeed, '(http\:\/\/\S+)',ig,'<a href="$1">$1</a>')"/> <xsl:variable name="transform-https" select="Exslt.ExsltRegularExpressions:replace($transform-http, '(HTTps\:\/\/\S+)',ig,'<a href="$1">$1</a>')"/> <xsl:variable name="transform-AT" select="Exslt.ExsltRegularExpressions:replace($transform-https, '(^|\s)@(\w+)',ig,' <a href="http://www.twitter.com/$2">@$2</a>')"/> <xsl:variable name="transform-HASH" select="Exslt.ExsltRegularExpressions:replace($transform-AT, '(^|\s)#(\w+)',ig,' <a href="http://www.twitter.com/search?q=$2">#$2</a>')"/> <xsl:value-of select="$transform-HASH" disable-output-escaping="yes"/> </xsl:template>You should find that this now replaces all the @names, #names and URL's with links!

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  • MonoDroid Article in Visual Studio Magazine

    - by Wallym
    The February edition of Visual Studio magazine is now online.  In it, my article regarding MonoDroid, the implementation of C# and .NET for Android devices, is online.  I can't thank Michael Desmond enough for the opportunity.  Its fitting now that Android is the most popular smartphone platform.  This article is available online at: Intro to MonoDroid Part 1. Intro to MonoDroid Part 2. Along with the article, check out this short video that I did regarding MonoDroid on the Mac. The article(s) were written based on MonoDroid Preview 9.1, so there are a few updates necessary, but I think this gets the basics out.  I hope you enjoy the article(s). And yes, we're still working on our book on MonoDroid.  I've got a great author group and am excited about the book. If you get a chance, come to AnDevCon in San Francisco in March.  I'll be presenting on MonoDroid there.

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  • Need help with PHP web app bootstrapping error potentially related to Zend [migrated]

    - by Matt Shepherd
    I am trying to get a program called OpenFISMA running on an Ubuntu AMI in AWS. The app is not really coded on the Ubuntu platform, but I am in my comfort zone there, and have tried both CentOS and OpenSUSE (both are sort of "native" for the app) for getting it working with the same or worse results. So, why not just get it working on Ubuntu? Anyway, the app is found here: www.openfisma.org and an install guide is found here: https://openfisma.atlassian.net/wiki/display/030100/Installation+Guide The install guide kind of sucks. It doesn't list dependencies in any coherent way or provide much of any detail (does not even mention Zend once on the entire page) so I've done a lot of work to divine the information I do have. This page provided some dependency inf (though again, Zend is not mentioned once): https://openfisma.atlassian.net/wiki/display/PUBLIC/RPM+Management#RPMManagement-BasicOverviewofRPMPackages Anyway, I got all the way through the install (so far as I could reconstruct it). I am going to the login page for the first time, and there should be some sort of bootstrapping occurring when I load the page. (I am not a programmer so I have no idea what it is doing there.) Anyway, I get a message on the web page that says: "An exception occurred while bootstrapping the application." So, then I go look in /var/www/data/logs/php.log and find this message: [22-Oct-2013 17:29:18 UTC] PHP Fatal error: Uncaught exception 'Zend_Exception' with message 'No entry is registered for key 'Zend_Log'' in /var/www/library/Zend/Registry.php:147 Stack trace: #0 /var/www/public/index.php(188): Zend_Registry::get('Zend_Log') #1 {main} thrown in /var/www/library/Zend/Registry.php on line 147 This occurs every time I load the page. I gather there is an issue related to registering the Zend_Log variable in the Zend registry, but other than that I really have no idea what to do about it. Am I missing a package that it needs, or is this app not coded to register the variables properly? I have no clue. Any help is greatly appreciated. The application file referenced in the log message (index.php) is included below. <?php /** * Copyright (c) 2008 Endeavor Systems, Inc. * * This file is part of OpenFISMA. * * OpenFISMA is free software: you can redistribute it and/or modify it under the terms of the GNU General Public * License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later * version. * * OpenFISMA is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with OpenFISMA. If not, see * {@link http://www.gnu.org/licenses/}. */ try { defined('APPLICATION_PATH') || define( 'APPLICATION_PATH', realpath(dirname(__FILE__) . '/../application') ); // Define application environment defined('APPLICATION_ENV') || define( 'APPLICATION_ENV', (getenv('APPLICATION_ENV') ? getenv('APPLICATION_ENV') : 'production') ); set_include_path( APPLICATION_PATH . '/../library/Symfony/Components' . PATH_SEPARATOR . APPLICATION_PATH . '/../library' . PATH_SEPARATOR . get_include_path() ); require_once 'Fisma.php'; require_once 'Zend/Application.php'; $application = new Zend_Application( APPLICATION_ENV, APPLICATION_PATH . '/config/application.ini' ); Fisma::setAppConfig($application->getOptions()); Fisma::initialize(Fisma::RUN_MODE_WEB_APP); $application->bootstrap()->run(); } catch (Zend_Config_Exception $zce) { // A zend config exception indicates that the application may not be installed properly echo '<h1>The application is not installed correctly</h1>'; $zceMsg = $zce->getMessage(); if (stristr($zceMsg, 'parse_ini_file') !== false) { if (stristr($zceMsg, 'application.ini') !== false) { if (stristr($zceMsg, 'No such file or directory') !== false) { echo 'The ' . APPLICATION_PATH . '/config/application.ini file is missing.'; } elseif (stristr($zceMsg, 'Permission denied') !== false) { echo 'The ' . APPLICATION_PATH . '/config/application.ini file does not have the ' . 'appropriate permissions set for the application to read it.'; } else { echo 'An ini-parsing error has occured in ' . APPLICATION_PATH . '/config/application.ini ' . '<br/>Please check this file and make sure everything is setup correctly.'; } } else if (stristr($zceMsg, 'database.ini') !== false) { if (stristr($zceMsg, 'No such file or directory') !== false) { echo 'The ' . APPLICATION_PATH . '/config/database.ini file is missing.<br/>'; echo 'If you find a database.ini.template file in the config directory, edit this file ' . 'appropriately and rename it to database.ini'; } elseif (stristr($zceMsg, 'Permission denied') !== false) { echo 'The ' . APPLICATION_PATH . '/config/database.ini file does not have the appropriate ' . 'permissions set for the application to read it.'; } else { echo 'An ini-parsing error has occured in ' . APPLICATION_PATH . '/config/database.ini ' . '<br/>Please check this file and make sure everything is setup correctly.'; } } else { echo 'An ini-parsing error has occured. <br/>Please check all configuration files and make sure ' . 'everything is setup correctly'; } } elseif (stristr($zceMsg, 'syntax error') !== false) { if (stristr($zceMsg, 'application.ini') !== false) { echo 'There is a syntax error in ' . APPLICATION_PATH . '/config/application.ini ' . '<br/>Please check this file and make sure everything is setup correctly.'; } elseif (stristr($zceMsg, 'database.ini') !== false) { echo 'There is a syntax error in ' . APPLICATION_PATH . '/config/database.ini ' . '<br/>Please check this file and make sure everything is setup correctly.'; } else { echo 'A syntax error has been reached. <br/>Please check all configuration files and make sure ' . 'everything is setup correctly.'; } } else { // Then the exception message says nothing about parse_ini_file nor 'syntax error' echo 'Please check all configuration files, and ensure all settings are valid.'; } echo '<br/>For more information and help on installing OpenFISMA, please refer to the ' . '<a target="_blank" href="http://manual.openfisma.org/display/ADMIN/Installation">' . 'Installation Guide</a>'; } catch (Doctrine_Manager_Exception $dme) { echo '<h1>An exception occurred while bootstrapping the application.</h1>'; // Does database.ini have valid settings? Or is it the same content as database.ini.template? $databaseIniFail = false; $iniData = file(APPLICATION_PATH . '/config/database.ini'); $iniData = str_replace(chr(10), '', $iniData); if (in_array('db.adapter = ##DB_ADAPTER##', $iniData)) { $databaseIniFail = true; } if (in_array('db.host = ##DB_HOST##', $iniData)) { $databaseIniFail = true; } if (in_array('db.port = ##DB_PORT##', $iniData)) { $databaseIniFail = true; } if (in_array('db.username = ##DB_USER##', $iniData)) { $databaseIniFail = true; } if (in_array('db.password = ##DB_PASS##', $iniData)) { $databaseIniFail = true; } if (in_array('db.schema = ##DB_NAME##', $iniData)) { $databaseIniFail = true; } if ($databaseIniFail) { echo 'You have not applied the settings in ' . APPLICATION_PATH . '/config/database.ini appropriately. ' . 'Please review the contents of this file and try again.'; } else { if (Fisma::debug()) { echo '<p>' . get_class($dme) . '</p><p>' . $dme->getMessage() . '</p><p>' . "<p><pre>Stack Trace:\n" . $dme->getTraceAsString() . '</pre></p>'; } else { $logString = get_class($dme) . "\n" . $dme->getMessage() . "\nStack Trace:\n" . $dme->getTraceAsString() . "\n"; Zend_Registry::get('Zend_Log')->err($logString); } } } catch (Exception $exception) { // If a bootstrap exception occurs, that indicates a serious problem, such as a syntax error. // We won't be able to do anything except display an error. echo '<h1>An exception occurred while bootstrapping the application.</h1>'; if (Fisma::debug()) { echo '<p>' . get_class($exception) . '</p><p>' . $exception->getMessage() . '</p><p>' . "<p><pre>Stack Trace:\n" . $exception->getTraceAsString() . '</pre></p>'; } else { $logString = get_class($exception) . "\n" . $exception->getMessage() . "\nStack Trace:\n" . $exception->getTraceAsString() . "\n"; Zend_Registry::get('Zend_Log')->err($logString); } }

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  • Watch Google’s I/O 2012 Developer Conference Live (Online) Starting June 27

    - by Asian Angel
    Google’s annual I/O conference begins on Wednesday this week and will be filled with exciting sessions about Android, Chrome, Google+, and more. To help you keep up with all the fun we have the links you need so that you can tune in with live streaming! Photo courtesy of Google I/O website. The keynote for Day 1 will begin at 9:30 a.m. PDT (U.S. time) and the keynote for the second day will begin at 10:00 a.m. PDT (U.S. time), so make sure to mark it on your schedule! Visit the blog post linked below for more details about signing up for Extended Events, the I/O mobile app, the liveblogging gadget, and more. SPECIAL NOTE: The Google blog post linked below was slightly ambiguous and listed both of the I/O URLs we have shown here, so make sure to keep a watch on both… How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • 7 Web Design Tutorials from PSD to HTML/CSS

    - by Sushaantu
    Some time back when I was looking for some tutorials to create a website from scratch i.e. the process from designing the PSD to slice it and CSS/XHTML it, then not many quality results appeared. But that was like almost an year back and a lot of water has flown down the river Thanes since [...]

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  • Speaking at NDC 2010!

    - by Chris Hardy (ChrisNTR)
    Hello all, A few weeks ago it was announced that I will be speaking at the Norwegian Developers Conference 2010 on MonoTouch. I'll be doing two session, an introduction to MonoTouch and developing for iPhone, iPod Touch and the iPad as well as deep dive into MonoTouch and the ecosystem that is around MonoTouch and not just the MonoTouch product itself. The conference itself is (what looks to be) in the lovely surrounding of Olso so I'm excited both to visit the country, attend the conference and...(read more)

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  • User roles in GWT applications

    - by csaffi
    Hi everybody, I'm wondering if you could suggest me any way to implement "user roles" in GWT applications. I would like to implement a GWT application where users log in and are assigned "roles". Based on their role, they would be able to see and use different application areas. Here are two possible solution I thought: 1) A possible solution could be to make an RPC call to the server during onModuleLoad. This RPC call would generate the necessary Widgets and/or place them on a panel and then return this panel to the client end. 2) Another possible solution could be to make an RPC call on login retrieving from server users roles and inspecting them to see what the user can do. What do you think about? Thank you very much in advance for your help!

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  • GuestPost: Unit Testing Entity Framework (v1) Dependent Code using TypeMock Isolator

    - by Eric Nelson
    Time for another guest post (check out others in the series), this time bringing together the world of mocking with the world of Entity Framework. A big thanks to Moses for agreeing to do this. Unit Testing Entity Framework Dependent Code using TypeMock Isolator by Muhammad Mosa Introduction Unit testing data access code in my opinion is a challenging thing. Let us consider unit tests and integration tests. In integration tests you are allowed to have environmental dependencies such as a physical database connection to insert, update, delete or retrieve your data. However when performing unit tests it is often much more efficient and productive to remove environmental dependencies. Instead you will need to fake these dependencies. Faking a database (also known as mocking) can be relatively straight forward but the version of Entity Framework released with .Net 3.5 SP1 has a number of implementation specifics which actually makes faking the existence of a database quite difficult. Faking Entity Framework As mentioned earlier, to effectively unit test you will need to fake/simulate Entity Framework calls to the database. There are many free open source mocking frameworks that can help you achieve this but it will require additional effort to overcome & workaround a number of limitations in those frameworks. Examples of these limitations include: Not able to fake calls to non virtual methods Not able to fake sealed classes Not able to fake LINQ to Entities queries (replace database calls with in-memory collection calls) There is a mocking framework which is flexible enough to handle limitations such as those above. The commercially available TypeMock Isolator can do the job for you with less code and ultimately more readable unit tests. I’m going to demonstrate tackling one of those limitations using MoQ as my mocking framework. Then I will tackle the same issue using TypeMock Isolator. Mocking Entity Framework with MoQ One basic need when faking Entity Framework is to fake the ObjectContext. This cannot be done by passing any connection string. You have to pass a correct Entity Framework connection string that specifies CSDL, SSDL and MSL locations along with a provider connection string. Assuming we are going to do that, we’ll explore another limitation. The limitation we are going to face now is related to not being able to fake calls to non-virtual/overridable members with MoQ. I have the following repository method that adds an EntityObject (instance of a Blog entity) to Blogs entity set in an ObjectContext. public override void Add(Blog blog) { if(BlogContext.Blogs.Any(b=>b.Name == blog.Name)) { throw new InvalidOperationException("Blog with same name already exists!"); } BlogContext.AddToBlogs(blog); } The method does a very simple check that the name of the new Blog entity instance doesn’t exist. This is done through the simple LINQ query above. If the blog doesn’t already exist it simply adds it to the current context to be saved when SaveChanges of the ObjectContext instance (e.g. BlogContext) is called. However, if a blog with the same name exits, and exception (InvalideOperationException) will be thrown. Let us now create a unit test for the Add method using MoQ. [TestMethod] [ExpectedException(typeof(InvalidOperationException))] public void Add_Should_Throw_InvalidOperationException_When_Blog_With_Same_Name_Already_Exits() { //(1) We shouldn't depend on configuration when doing unit tests! But, //its a workaround to fake the ObjectContext string connectionString = ConfigurationManager .ConnectionStrings["MyBlogConnString"] .ConnectionString; //(2) Arrange: Fake ObjectContext var fakeContext = new Mock<MyBlogContext>(connectionString); //(3) Next Line will pass, as ObjectContext now can be faked with proper connection string var repo = new BlogRepository(fakeContext.Object); //(4) Create fake ObjectQuery<Blog>. Will be used to substitute MyBlogContext.Blogs property var fakeObjectQuery = new Mock<ObjectQuery<Blog>>("[Blogs]", fakeContext.Object); //(5) Arrange: Set Expectations //Next line will throw an exception by MoQ: //System.ArgumentException: Invalid setup on a non-overridable member fakeContext.SetupGet(c=>c.Blogs).Returns(fakeObjectQuery.Object); fakeObjectQuery.Setup(q => q.Any(b => b.Name == "NewBlog")).Returns(true); //Act repo.Add(new Blog { Name = "NewBlog" }); } This test method is checking to see if the correct exception ([ExpectedException(typeof(InvalidOperationException))]) is thrown when a developer attempts to Add a blog with a name that’s already exists. On (1) a connection string is initialized from configuration file. To retrieve the full connection string. On (2) a fake ObjectContext is being created. The ObjectContext here is MyBlogContext and its being created using this var fakeContext = new Mock<MyBlogContext>(connectionString); This way a fake context is being created using MoQ. On (3) a BlogRepository instance is created. BlogRepository has dependency on generate Entity Framework ObjectContext, MyObjectContext. And so the fake context is passed to the constructor. var repo = new BlogRepository(fakeContext.Object); On (4) a fake instance of ObjectQuery<Blog> is being created to use as a substitute to MyObjectContext.Blogs property as we will see in (5). On (5) setup an expectation for calling Blogs property of MyBlogContext and substitute the return result with the fake ObjectQuery<Blog> instance created on (4). When you run this test it will fail with MoQ throwing an exception because of this line: fakeContext.SetupGet(c=>c.Blogs).Returns(fakeObjectQuery.Object); This happens because the generate property MyBlogContext.Blogs is not virtual/overridable. And assuming it is virtual or you managed to make it virtual it will fail at the following line throwing the same exception: fakeObjectQuery.Setup(q => q.Any(b => b.Name == "NewBlog")).Returns(true); This time the test will fail because the Any extension method is not virtual/overridable. You won’t be able to replace ObjectQuery<Blog> with fake in memory collection to test your LINQ to Entities queries. Now lets see how replacing MoQ with TypeMock Isolator can help. Mocking Entity Framework with TypeMock Isolator The following is the same test method we had above for MoQ but this time implemented using TypeMock Isolator: [TestMethod] [ExpectedException(typeof(InvalidOperationException))] public void Add_New_Blog_That_Already_Exists_Should_Throw_InvalidOperationException() { //(1) Create fake in memory collection of blogs var fakeInMemoryBlogs = new List<Blog> {new Blog {Name = "FakeBlog"}}; //(2) create fake context var fakeContext = Isolate.Fake.Instance<MyBlogContext>(); //(3) Setup expected call to MyBlogContext.Blogs property through the fake context Isolate.WhenCalled(() => fakeContext.Blogs) .WillReturnCollectionValuesOf(fakeInMemoryBlogs.AsQueryable()); //(4) Create new blog with a name that already exits in the fake in memory collection in (1) var blog = new Blog {Name = "FakeBlog"}; //(5) Instantiate instance of BlogRepository (Class under test) var repo = new BlogRepository(fakeContext); //(6) Acting by adding the newly created blog () repo.Add(blog); } When running the above test method it will pass as the Add method of BlogRepository is going to throw an InvalidOperationException which is the expected behaviour. Nothing prevents us from faking out the database interaction! Even faking ObjectContext  at (2) didn’t require a connection string. On (3) Isolator sets up a faking result for MyBlogContext.Blogs when its being called through the fake instance fakeContext created on (2). The faking result is just an in-memory collection declared an initialized on (1). Finally at (6) action we call the Add method of BlogRepository passing a new Blog instance that has a name that’s already exists in the fake in-memory collection which we set up at (1). As expected the test will pass because it will throw the expected exception defined on top of the test method - InvalidOperationException. TypeMock Isolator succeeded in faking Entity Framework with ease. Conclusion We explored how to write a simple unit test using TypeMock Isolator for code which is using Entity Framework. We also explored a few of the limitations of other mocking frameworks which TypeMock is successfully able to handle. There are workarounds that you can use to overcome limitations when using MoQ or Rhino Mock, however the workarounds will require you to write more code and your tests will likely be more complex. For a comparison between different mocking frameworks take a look at this document produced by TypeMock. You might also want to check out this open source project to compare mocking frameworks. I hope you enjoyed this post Muhammad Mosa http://mosesofegypt.net/ http://twitter.com/mosessaur Screencast of unit testing Entity Framework Related Links GuestPost: Introduction to Mocking GuesPost: Typemock Isolator – Much more than an Isolation framework

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  • What should JavaScript be renamed to [closed]

    - by Evan Plaice
    Background: I have been watching Douglas Crockford's series of presentation about JavaScript History (which I highly recommend) lately and a one comment of his specifically piqued my attention. The trademark for 'JavaScript' is owned by Oracle History: Due to time constraints at Netscape, the language was literally written in weeks and released in very buggy form. To make it seem more appealing, Netscape picked JavaScript to appeal to the massively growing population of Java developers. Unfortunately, this pissed off Sun and stirred up a lot of controversy between the two organizations. At some point, they came to an agreement whereby Netscape was given permission to use the name as long as Sun owned the trademark. Some people incorrectly refer to JavaScript as ECMAScript because that's where the standard for the language is registered but, aside from it's current marketing-driven label, it doesn't really have a name. Fast Forward Sun goes down only to be swallowed by Oracle, who has no reservations about litigating for profit, now owns the name. So... If Oracle decides and forces JavaScript to take on a new name, what name would best represent the language?

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  • Virtual Brown Bag Recap: NuGet, PoshCode, Code Templates

    - by Brian Schroer
    "Virtual Brown Bag" anagrams: Roving Tuba Brawl Lawn Bug Vibrator Rubbing Two Larva Vulgar Rabbi Town A Vibrant Grub Owl Blurting a Bar Vow At this week's Roving Tuba Brawl Virtual Brown Bag meeting: Claudio Lassala asked "What does your work environment look like?" He and several others shared pictures. George Mauer talked about NuGet, .NET's answer to Ruby Gems, and PoshCode, a PowerShell code repository Claudio showed how he uses CodeRush templates to quickly generate unit test code Alan Stevens showed how to do the same thing with Resharper templates For detailed notes, links, and the video recording, go to the VBB wiki page: https://sites.google.com/site/vbbwiki/main_page/2010-12-02

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  • Converting From CommunityServer to DotNetNuke Intro

    - by Chris Hammond
    ( originally posted on DNNDaily ) So I have been trying to figure out how best to do this blog post for a while now, though I think I will be better off doing it as a series of blog posts rather than one individual one. So this post will be the starting point for the conversion. I will update it with links to the other blog posts in the series as they get created and added. Background (all in my opinion and based on my memory, as inaccurate as that may be) : Back in the early days of ASP.NET there...(read more)

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  • CVV Code For Authorize.com using osCommerce

    - by user3567
    Hi I need to add a CVV code for verifying credit cards upon check out on my osCommerece shopping cart. I think this will involve a code for the authorize.net php and the checkout processing php but not sure. Found this great write up, but it is only for the authorize.net php and it doesn't create a filed for the CVV to be keyed. Also it throws an error with the 'echo validate.' Can't seem to find anything in any forums for osCommerce or any place out. Hoping someone here will have some knowledge. Thanks.

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  • Mercurial Conversion from Team Foundation Server

    - by mhawley
    I’m using Twitter. Follow me @matthawley One of my many (almost) daily tasks when working on the CodePlex platform since releasing Mercurial as a supported version control system, is converting projects from Team Foundation Server (TFS) to Mercurial. I'm happy to say that of all the conversions I have done since mid-January, the success rate of migrating full source history is about 95%. To get to this success point, I have had to learn and refine several techniques utilizing a few different tools… (read more)

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  • Future direction for a developer who is expert in latest software technologies…

    - by Muaz Khan
    Hi everyone, If a (new-coming) developer that learns latest technologies as well as can develop amazing stuff with those technologies and did Bachelors in Arts (BA). So what ’ll be the future of this kind of developer? I meant did he can get good job without degree? I think (but it is the universal truth that) no one (org or company) permit these kind of developers to join them because degree is must for job!! I’m worried about why the world depends upon degree? Why degree is necessary for good job? If a developer has a good experience, why he cannot be able to get good job without degree? What is the future of developer that starts his life as a freelancer and learns everything himself with the help of online available resources? Why companies prerequisite the degree for a good job? A developer without degree can be expert than that who have a degree of MSC etc. Because in 3rd world countries especially Pakistan, a BSC level student taught VB6 and the MSC level student learns C/C++. The common student doesn’t know about latest innovative technologies and he think that the world is depending upon VB6 or C/C++. What is the comparison of that students with a developer that do Bachelors in Arts but know (and can do well with) latest technologies.

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  • Introducing a new Umbraco datatype for Multi-lingual websites.

    - by Vizioz Limited
    Over the last 6 months we have been building various multi-lingual sites for different clients and for some of the clients they have 1 to 1 relationships between some or all of their pages.Within Umbraco, you can copy a page ( or whole tree of pages ) and keep a relationship between each of the pages and their new copy, this allows content editors to subscribe to change notifications that Umbraco can create if one of the linked pages is changed.Unfortunately one thing that is missing in Umbraco is any way to see which pages are related to each other and to have a quick and easy way to jump between the related pages.We created a datatype that solves these problems and thought we would release it as an open source project ( which we are still maintaining )Currently you can:1) See current relationships2) Add relationships3) Limit the number of relationships that can be added ( by the data type )4) See the Country flag ( assuming a culture has been set on each of your top level site nodes for each country site )5) Link between the documents6) Change or delete the linksAn example where multiple languages are allowed:An example where only 2 languages exist (1 relationship):You can download the datatype from the Umbraco project page:Vizioz Relationships for UmbracoPlease do let us know what you think :)

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  • How Visual WebGui helps ASP.NET Cloud-based apps

    - by Visual WebGui
    Everyone is talking about Cloud computing and moving to the cloud (public or private), but very few have actually done it so far. The reason is that the process of migrating existing applications to the cloud is a lot more complicated than one might think which is exactly where the Visual WebGui technology comes in for a rescue. In the past year the Visual WebGui R&D Team have been intensively working on a tool-based solution that gives Microsoft application developers and enterprises a simpler...(read more)

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  • MacGyver Moments

    - by KKline
    In case you haven't heard, your MacGyver Moments are those times when you improvised an excellent solution to a problem using non-traditional materials, techniques, or tools......(read more)

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