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  • Non breaking space in XAML vs. code

    - by Henrik Söderlund
    This works fine, and correctly inserts non-breaking spaces into the string: <TextBlock Text="Non&#160;Breaking&#160;Text&#160;Here"></TextBlock> But what I really need is to replace spaces with non-breaking spaces during data binding. So I wrote a simple value converter that replaces spaces with "&#160;". It does indeed replace spaces with "&#160;" but "&#160;" is displayed literally instead of showing as a non-breaking space. This is my converter: public class SpaceToNbspConverter : IValueConverter { #region IValueConverter Members public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return value.ToString().Replace(" ", "&#160;"); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } #endregion } Does anybody know why it works in XAML, but not in code? /Henrik

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  • Unable to resolve class org.codehaus.groovy.grails.plugins.springsecurity.Secured

    - by Alan
    Hi, I'm new to Grails and I'm seeing the error "Groovy:unable to resolve class org.codehaus.groovy.grails.plugins.springsecurity.Secured" when I open a Grails app in SpringSource Tool Suite (STS) and build the project. However the application does run when I issue the run-app command and I can login. Also when I look in my .grails folder I can see that 'grails-acegi-0.5.2.zip' has been downloaded. When I issues the upgrade command from the grails command prompt I get a message telling me that all dependancies have been resolved. Thanks for any help.

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  • System.UnauthorizedAccessException: Retrieving the COM class factory for component with CLSID {00020

    - by Tomas I
    Hello. I have a problem with a C# ASP .NET project in Visual Studio 2008 This problem started when I reinstalled my computer with Windows 7 ultimate 64-bit. To this I'm also using Office 2007. The error message I'm getting is: {System.UnauthorizedAccessException: Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 80070005. at xxx.Utility.WordDocument..ctor(String filePath, HttpServerUtility util) at customer_communication.BuCreate_click(Object sender, EventArgs e) in c:\xxx\Website\customer\communication.aspx.cs:line 127} If anyone can help me I would rely appreciate it.

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  • Cleanup vs Dispose(bool) in MVVM-light

    - by Budda
    In the lastest version of MVVM-light (V3 SP1) both "Dispose()" and "Dipose(bool)" methods in ViewModel class are marked Do not use this method anymore, it will be removed in a future version. Use ICleanup.Cleanup() instead Does this mean that IDisposable interface must not be implemented in all ViewModel classes that are derived from GalaSoft.MvvmLight.ViewModelBase (and cleanup must be overrided)? If yes, using can't be used for view-model instances... Probably I didn't understand something... Please clarify... What are the benefits of such cleaning up? Thanks.

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  • Running JUnit test classes from another JUnit test class

    - by Dr. Monkey
    I have two classes that I am testing (let's call them ClassA and ClassB). Each has its own JUnit test class (testClassA and testClassB respectively). ClassA relies on ClassB for its normal functioning, so I want to make sure ClassB passes its tests before running testClassA (otherwise the results from testClassA would be meaningless). What is the best way to do this? In this case it is for an assignment so I need to keep it to the two specified test classes if possible. Can/should I throw an exception from testClassA if testClassB's tests aren't all passed? This would require testClassB to run invisibly and just report its success/failure to testClassA, rather than to the GUI (via JUnit). I am using Eclipse and JUnit 4.8.1

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  • WebClient vs. HttpWebRequest/HttpWebResponse

    - by Dan
    It seems to me that most of what can be accomplished with HttpWebRequest/Response can also be accomplished with the WebClient class. I read somewhere that WebClient is a high-level wrapper for WebRequest/Response. So far, I can't see anything that can be accomplished with HttpWebRequest/Response that can not be accomplished with WebClient, nor where HttpWebRequest/Response will give you more "fine-grained" control. When should I use WebClient and when HttpWebRequest/Response? (Obviously, HttpWebRequest/Response are HTTP specific.) If HttpWebRequest/Response are lower level then WebClient, what can I accomplish with HttpWebRequest/Response that I cannot accomplish with WebClient?

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  • ASP.NET MVC Class level custom data-annotation and ModelState keys

    - by Neil
    Hi, I have custom class level validation attribute, inheriting from ValidationAttribute, on my model. How come it doesn't register a key in the ModelState when its IsValid is false? I can see the the error message in the ModelState.Values collection, but the ModelState.Keys collection only shows an empty string "". Can I provide a key for it - presumably this is because its not assigned to a property? I wanna be able to use ModelState.Remove in my controller to remove this error upon a certain condition, but I have no Key! Any ideas?

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  • getting an embedded resource in a single dll made up of multiple class libraries

    - by Rahul Gupta
    my solution has multiple projects and in one of them I have the code to get the embedded resource (an xml file) from another project. All this works fine when all the projects are seperate. However when all the class libraries are embedded into a single dll, the code to get the resource file does not work i.e. it cannot get the emebedded resource. I was wondering if the references to the emebedded resource get mixed up when they are combined together in a single dll?? I use the method Assembly.GetCallingAssembly().GetManifestResourceStream("namespace..filename");

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  • Blog - BlogPost - BlogPostComment vs Blog - Post - Comment

    - by Anton Gogolev
    Don't really know how to formulate the title, but it should be pretty obvious from the example. More specifically, what rules do you use for naming "dependent" classes. For example, Blog is a pretty descriptive name itself, but how do I deal with posts? BlogPost or Post? Clearly, first name clearly expresses that it's a "subordinate" class, but this can quickly get out of hand with BlogPostComment, BlogPostCommentAttachment, etc. Post, on the other hand, looks like an entity completely unrelated to Blog and is easier on the eye. What are your rules/best practices?

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  • AS3 - Loader class: Resize external swf to it's original stage size

    - by Rob
    Hi there! Here is my problem (unfortunatelly didn't find solution @google): I'm loading external swf[AS2] into main swf[AS3] using Loader class. The main swf is 800 x 600 and the external swf is 300 x 200. After adding the external swf to the main swf the external swf expands it's size from 300 x 200 to the main swf's size: 800 x 600. How can i prevent this? I want the loaded swf to save it's original size. Cheers Rob

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  • PHP form class

    - by Oli
    I'm used to ASPNET and Django's methods of doing forms: nice object-orientated handlers, where you can specify regexes for validation and do everything in a very simple way. After months living happily without it, I've had to come back to PHP for a project and noticed that everything I used to do with PHP forms (manual output, manual validation, extreme pain) was utter rubbish. Is there a nice, simple and free class that does form generation and validation like it should be done? Clonefish has the right idea, but it's way off on the price tag.

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  • Link To Work Item &ndash; Visual Studio extension to link changeset(s) to work item directly from VS history window

    - by Utkarsh Shigihalli
    Originally posted on: http://geekswithblogs.net/onlyutkarsh/archive/2014/08/11/link-to-work-item-ndash-visual-studio-extension-to-link.aspxBy linking work items and other objects, you can track related work, dependencies, and changes made over time. As the following illustration shows, specific link types are used to track specific work items and actions. (– via MSDN) While making a check-in, Visual Studio 2013 provides you a quick way to search and assign a work item via pending changes section in Team Explorer. However, if you forget to assign the work item during your check-in, things really get cumbersome as Visual Studio does not provide an easy way of assigning. For example, you usually have to open the work item and then link the changeset which involves approx. 7-8 mouse clicks. Now, you will really feel the difficulty if you have to assign work item to multiple changesets, you have to repeat the same steps again. Hence, I decided to develop a small Visual Studio extension to perform this action of linking work item to changeset bit easier. How to use the extension? First, download and install the extension from VS Gallery (Supports VS 2013 Professional and above). Once you install, you will see a new "Link To Work Item" menu item when you right click on a changeset in history window. Clicking Link To Work Item menu, will open a new dialog with which you can search for a work item. As you can see in below screenshot, this dialog displays the search result and also the type of the work item. You can also open work item from this dialog by right clicking on the work item and clicking 'Open'. Finally, clicking Save button, will actually link the work item to changeset. One feature which I think helpful, is you can select multiple changesets from history window and assign the work item to all those changesets.  To summarize the features Directly assign work items to changesets from history window Assign work item to multiple changesets Know the type of the work item before assigning. Open the work item from search results It also supports all default Visual Studio themes. Below is a small demo showcasing the working of this extension. Finally, if you like the extension, do not forget to rate and review the extension in VS Gallery. Also, do not hesitate to provide your suggestions, improvements and any issues you may encounter via github.

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  • Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:

    - by gopal
    I developed a Windows service using C#.NET to generate PDF report. To generate PDF file I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error: Retrieving the COM class factory for component with CLSID {46521B1F-0A5B-4871-A4C2-FD5C9276F4C6} failed due to the following error: 80040154. I registered the DLL using the regsvr32 command. I able to see this CLSID in the registry. But the problem persists. What could be the problem?

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  • PHP mcrypt usage class?

    - by kavoir.com
    I'm pretty new at this. Tried to make sense of the manual page for mcrypt at PHP.net when I thought a good tutorial would do a better job. So I searched yet without anything substantial. I also tried one of the examples of using mcrypt to perform the encryption and decryption with 2 functions, but it gives a warning of "Size of key is too large for this algorithm". Can anyone please write me a two-way class to do the encryption / decryption using mcrypt so I can make sense of the library? Thanks!

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  • PDO::fetchAll vs. PDO::fetch in a loop

    - by Byron
    Just a quick question. Is there any performance difference between using PDO::fetchAll() and PDO::fetch() in a loop (for large result sets)? I'm fetching into objects of a user-defined class, if that makes any difference. My initial uneducated assumption was that fetchAll might be faster because PDO can perform multiple operations in one statement while mysql_query can only execute one. However I have little knowledge of PDO's inner workings and the documentation doesn't say anything about this, and whether or not fetchAll() is simply a PHP-side loop dumped into an array. Any help?

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  • Zend Framework: Undefined class constant 'MYSQL_ATTR_INIT_COMMAND'

    - by Awan
    As you may have known that I switched from ubuntu to windows from my previous questions. I was working on Zend Framework on ubuntu and now working on same project in windows. Because of this switching I facing some problems in windows which was not occurred in ubuntu. Now I have the following error in firebug console when I go to login page: <b>Fatal error</b>: Undefined class constant 'MYSQL_ATTR_INIT_COMMAND' in <b>C:\wamp\www\vcred\library\Zend\Db\Adapter\Pdo\Mysql.php</b> on line <b>93</b><br /> Do you people know that what type of error is this and what is the solution? I have the following configuration for database. resources.db.adapter = "Pdo_Mysql" resources.db.params.host = "localhost" resources.db.params.username = "root" resources.db.params.password = "" resources.db.params.dbname = "test" resources.db.params.charset = "utf8" Thanks

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  • Best Practices - Data Annotations vs OnChanging in Entity Framework 4

    - by jptacek
    I was wondering what the general recommendation is for Entity Framework in terms of data validation. I am relatively new to EF, but it appears there are two main approaches to data validation. The first is to create a partial class for the model, and then perform data validations and update a rule violation collection of some sort. This is outlined at http://msdn.microsoft.com/en-us/library/cc716747.aspx The other is to use data annotations and then have the annotations perform data validation. Scott Guthrie explains this on his blog at http://weblogs.asp.net/scottgu/archive/2010/01/15/asp-net-mvc-2-model-validation.aspx. I was wondering what the benefits are of one over the other. It seems the data annotations would be the preferred mechanism, especially as you move to RIA Services, but I want to ensure I am not missing something. Of course, nothing precludes using both of them together. Thanks John

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  • UIView drawRect; class variables out of scope

    - by Toby Wilson
    Short & sweet version of my last question in light of new information. I have a UIVIew with an init and a drawrect method (and another thread and a bunch of other stuff, but I'll keep it short & sweet). All of the class variables that I alloc and init in the -(id)init method are out of scope/nil/0x0 in the drawRect method, and I am unable to access them. For example; In the interface: NSObject* fred; In the implementation: -(id)init { if(self == [super init]) { fred = [[NSObject alloc] init]; } return self; } -(void)drawRect:(CGRect)rect { NSLog(@"Fred is retained %i times",[fred retainCount]); //FAIL NSLog(@"But his variable is actually just pointing at uninitialised 0x0, so you're not reading this in the debugger because the application has crashed before it got here." } Should add that init IS being called before drawRect also. Anyone have any ideas?

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  • Facebook Connect: problem including facebook class??

    - by Garrett
    Debug Error: /facebook-php-sdk/src/facebook.php line 511 - Uncaught CurlException: 60: SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed i really can't understand why this is happening... but here is the line (in the facebook class i downloaded): protected function makeRequest($url, $params, $ch=null) { if (!$ch) { $ch = curl_init(); } $opts = self::$CURL_OPTS; $opts[CURLOPT_POSTFIELDS] = $params; $opts[CURLOPT_URL] = $url; curl_setopt_array($ch, $opts); $result = curl_exec($ch); if ($result === false) { $e = new FacebookApiException(array( /////////////////// HERE 'error_code' => curl_errno($ch), 'error' => array( 'message' => curl_error($ch), 'type' => 'CurlException', ), )); curl_close($ch); throw $e; } curl_close($ch); return $result; } any ideas? thanks!

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  • Python class design - Splitting up big classes into multiple ones to group functionality

    - by Ivo Wetzel
    OK I've got 2 really big classes 1k lines each that I currently have split up into multiple ones. They then get recombined using multiple inheritance. Now I'm wondering, if there is any cleaner/better more pythonic way of doing this. Completely factoring them out would result in endless amounts of self.otherself.do_something calls, which I don't think is the way it should be done. To make things clear here's what it currently looks like: from gui_events import GUIEvents # event handlers from gui_helpers import GUIHelpers # helper methods that don't directly modify the GUI # GUI.py class GUI(gtk.Window, GUIEvents, GUIHelpers): # general stuff here stuff here One problem that is result of this is Pylint complaining giving me trillions of "init not called" / "undefined attribute" / "attribute accessed before definition" warnings.

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  • Adding C++ Object to Objective-C Class

    - by Winder
    I'm trying to mix C++ and Objective-C, I've made it most of the way but would like to have a single interface class between the Objective-C and C++ code. Therefore I would like to have a persistent C++ object in the ViewController interface. This fails by forbidding the declaration of 'myCppFile' with no type: #import <UIKit/UIKit.h> #import "GLView.h" #import "myCppFile.h" @interface GLViewController : UIViewController <GLViewDelegate> { myCppFile cppobject; } @end However this works just fine in the .mm implementation file (It doesn't work because I want cppobject to persist between calls) #import "myCppFile.h" @implementation GLViewController - (void)drawView:(UIView *)theView { myCppFile cppobject; cppobject.draw(); }

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  • jquery dynatree class methods

    - by Jj Zhang
    I'm a new user of dynatree plugin. When I read the documentation, I found the list of tree and node class member functions, such as tree.getRoot(), node.countChildren(). However, when I tried to use them, it complained that no such methods were found. Here is a sample code I am testing with: var tree = ("#test").dynatree(treeData); var rootNode = tree.getRoot(); //not working var rootNode2 = ("#test").dynatree("getRoot"); //this works var numChildren = rootNode2.countChildren(); //not working Help please. Thanks. -JJ

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  • How did Microsoft create assemblies that have circular references?

    - by Drew Noakes
    In the .NET BCL there are circular references between: System.dll and System.Xml.dll System.dll and System.Configuration.dll System.Xml.dll and System.Configuration.dll Here's a screenshot from .NET Reflector that shows what I mean: How Microsoft created these assemblies is a mystery to me. Is a special compilation process required to allow this? I imagine something interesting is going on here.

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  • Tools to create class methods interaction diagram

    - by nightcoder
    Let's say I have a MyClass class, with various methods, and let's say that method MyClass.A() calls methods MyClass.B() which calls MyClass.C(). Method MyClass.A() also calls MyClass.D() which also calls MyClass.C() and so on :) Is there any tool to visualize this as a diagram? UPD. I see NDepend can do what I need but it costs too much when I just need to build methods dependency graph and trial limitations are too big (I can't zoom the graph and I can't see anything on a small resulted graph without being able to zoom). So, I'm still looking for alternatives - it should be free or not expensive tool.

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  • Lucene numDocs and doqFreq on custom similarity class

    - by David A
    Hi All, im doing an aplication with Lucene (im a noob with it) and im facing some problems. My aplication uses the Lucene 2.4.0 library with a custom similaraty implementation (the jar is imported) In my app im calculating doqFreq and numDocs manually (im adding the values of all indexes and then i calculate a global value in order to use it on every query) and i want to use that values on a custom similarity implementation in order to calculate a new IDF. The problem is that I dont know how to use (or send) the new doqFreq and numDocs values from my app on that new similarty implementation as I dont want to change lucene´s code apart from this extra class. Any suggestions or examples? I read the docs but i dont now how to aproach this :s Thanks

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