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• How to disable maximize button in a WPF appication page not in a window

  - by Lukman

  I want to disable the maximize button in WPF application page, not in a WPF application window When I searched in Google, it is available methods for disabling the maximize button in WPF window The code snippet is as follows Window.WindowStyle= WindowStyle.None But is not working in WPF page It is showing errors. In WPF page there is WindowStyleProperty instead of WindowStyle and it is showing errors as Error 1:A static readonly field cannot be assigned to (except in a static constructor or a variable initializer) Error 2: Cannot implicitly convert type 'System.Windows.WindowStyle' to 'System.Windows.DependencyProperty' So how can I disable the maximize button in WPF page Then how can I implement it Suggest me any sample code snippet.... Advance thanks.........

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• Very slow startup of ASP.NET applications

  - by Conrad

  I have an ASP.NET applications with quite small number of pages. The problem I see is that the startup time is quite slow. As far as I can tell, most of the time is spent in JIT. Pre-compiling the applications seem not very helpful in reducing the #methods JIT as reported thru PerfMon. Does anybody know what I can do to reduce the startup time further? Is it true that there is no way to pre-jit an ASP.NET application using NGEN?

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• Arguments of using WCF/OData as access layer instead of EF/L2S/nHibernate directly

  - by Carl Hörberg

  We develop mostly low traffic but highly specialized web applications. Normally we use L2S, EF or nHibernate as access layer and then throws Asp.Net MVC to it and in which for normal crud operations we query the ISession/DataContext directly but for more advanced functions/side effects we put it in a some kind of service layer. Now, i was think about publishing the data through OData (WCF Data Service) and query that from the controllers (or even from jQuery when the a good template engine shows up) and publish the service operations through a WCF service (or as custom methods on the WCF Data Service?). What advantages/disadvantages does this architecture poses? Do I gain something except higher complexity and latency? Better separations of concerns (or is it just a illusion)?

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• help me understand the following javascript relate to AsyncFileUpload control

  - by sean717

  Hi, in my current project I used a AsyncFileUpload control from AJAX Control Toolkits. After I got the async file upload part working, I needed to filter the file type so users can only upload image files. I found the following code off web and it worked well: function uploadStarted(sender, args) { var filename = args.get_fileName(); var filext = filename.substring(filename.lastIndexOf(".") + 1); if (filext == "jpg" || filext == "jpeg" || filext == "gif" || filext == "bmp") { return true; } else { // force uploading cancel args.set_cancel(true); // set reason of cancel args.set_errorMessage("Invalid File Format Selected"); return false; } } The problem is : I don't understand this javascript. What is the type of args parameter? Where are the methods such as "get_fileName()", "set_cancel()" defined? I went to the homepage of the AsyncFileUpload control but couldn't find any documentation regarding the "args". Can someone help me out explaining this Javascript? Thanks

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• jQuery partial page refresh after form submit

  - by heeboir

  When using jQuery to submit a form is it possible to place the resulting page (after the submit) inside another HTML element? I'll try to make this clearer. Up to now I've been using Callback methods that among others do a document.forms['form'].submit(); whenever a form has been updated with new information and needs to be refreshed. However, this results in a full page refresh. I'm implementing Partial Page Refresh using jQuery and thought of using something like var newContent = jQuery('#form').submit(); jQuery('#div').load(newContent); However, that does not seem to work as the page is still fully refreshed. The content is correct, however the behaviour seems to be exactly the same as before - so I'm not really sure if what I want is actually possible with jQuery. Any hints and pointers would be helpful. Thanks.

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• BlackBerry Horizontal Scrolling in TreeField or ListField

  - by sethxian

  I am working on an application that requires text larger than the viewable screen size in both a TreeField and a ListField. As you know, the TreeField and ListField callbacks support only graphics.drawText() methods, so I cannot add an instance of a Field per row. Does anyone have a method of Scrolling horizontally past the viewable text size? Is there maybe a scrollable panel that would work? I know of the NullField(Field.Focusable) trick but this won't work on the list field. Lastly, I am aware that the type of screen makes a different as FullScreen and MainScreen use VerticalFieldMangers. So am using a PopupScreen at the moment for my testing. Thank you in advance for your time.

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• Linq to SQL, Repository, IList and Persist All

  - by Dr. Zim

  This discusses a repository which returns IList that also uses Linq to SQL as a DAL. Once you do a .ToList(), IQueryable object is gone once you exit the Repository. This means that I need to send the objects back in to the Repo methods .Create(Model model), .Update(Model model), and .Delete(int ID). Assuming that is correct, how do you do the PersistAll()? For example, if you did the following, how would you code that in the repository? Changed a single string property in the object Called .Update(object); Changed a different string property in the object Called .Update(object); Called .PersistAll(), which would update the database with both changed strings. How would you associate the objects in the Repository parameters with the objects in the Linq to Sql data context, especially over multiple calls? I am sure this is a standard thing. Links to examples on the web would be great!

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• Random "Not Found" error with Silverlight accessing ASP.NET Web Services

  - by user245822

  I'm developing an application with Silverlight 3 and ASP.NET Web Services, which uses Linq to SQL to get data from my SQL Server database. Randomly when the user causes an action to get information from any of my web service methods, Silverlight throws the exception "The remote server returned an error: NotFound.", of type "CommunicationException", with the InnerException status of "System.Net.WebExceptionStatus.UnknownError". Almost 10% of requests gets this error. If the user tries to get the same information again, normally the request has no erros and the user gets the data. When debugging in Visual Studio only Silverlight stops on the exception, and I see no reason for the web service not being found.

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• Share code between projects in a solution in Visual Studio 2008, when building a common assembly is

  - by Binary255

  Hi, I create an add-on for the product Foo. There are different versions of Foo, namely version 1, 2, 3 and 4. These versions have a mostly compatible API, but not fully. I currently have 5 projects: DotNetCommon - here are the common methods which could be used if I create an add-on or something other than the Foo product. FooOne FooTwo FooThree FooFour The Foo*-projects contains the add-in for version 1-4 of Foo. There are a lot of duplicated files in the Foo*-projects, as there are a lot of things in the API which are identical for all versions of Foo. It would be nice to separate out everything which is common for all Foo-versions. Why not just create a common assembly for all versions of Foo called FooCommon? If I would put all classes which are common for all versions of Foo into a new library project, I would still have to choose which version of Foo the new FooCommon should reference. As said, they are not identical.

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• Filter a model's attributes before outputting as json

  - by Jorge Israel Peña

  Hey guys, I need to output my model as json and everything is going fine. However, some of the attributes need to be 'beautified' by filtering them through some helper methods, such as number_to_human_size. How would I go about doing this? In other words, say that I have an attribute named bytes and I want to pass it through number_to_human_size and have that result be output to json. I would also like to 'trim' what gets output as json if that's possible, since I only need some of the attributes. Is this possible? Can someone please give me an example? I would really appreciate it.

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• Sensor Manager getOrientation, doesnt display text and only works in debug mode?

  - by Aidan

  Hi Guys, My code appears to crash. I'm trying to setup a SensorManager for getting the Orientation of the device. I also have a listener that should update when conditions change. But when I run this code it crashes... public void sensor(){ // Locate the SensorManager using Activity.getSystemService sm = (SensorManager) getSystemService(SENSOR_SERVICE); sm.getOrientation(mR, mOrientation); // Register your SensorListener sm.registerListener(sl, sm.getDefaultSensor(Sensor.TYPE_ORIENTATION),SensorManager.SENSOR_DELAY_NORMAL); } private final SensorEventListener sl = new SensorEventListener() { @Override public void onAccuracyChanged(Sensor sensor, int accuracy) { } @Override public void onSensorChanged(SensorEvent event) { if (event.sensor.getType()==Sensor.TYPE_ORIENTATION) { Global.Orientation = "Orientation is equal to: "+ SensorManager.getOrientation(mR, mOrientation); } } sm is defined as SensorManager sm; as a class wide variable also. I've got some other classes outputting the Orientation to a screen which I know works. The problem is somewhere in these methods. Am I doing it wrong or Is there a better way of doing this?

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• Graphviz DOT arrange Nodes in circles

  - by Ivo Wetzel

  OK here's my problem, I'm generating a graph of a python module, including all the files with their functions/methods/classes. I want to arrange it so, that nodes gather in circles around their parent nodes, currently everything is on one gargantuan horizontal row, which makes the thing 50k pixels wide and also let's the svg converter fail(only renders about the half of the graph). I went trough the docs(http://www.graphviz.org/doc/info/attrs.html) but couldn't find anything that seems to do the trick. So the question is: Is there a simple way to do this or do I have to layout the whole thing by myself? :/

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• REST api design to retrieve summary information

  - by Jacques René Mesrine

  I have a scenario in which I have REST API which manages a Resource which we will call Group. A Group is similar in concept to a discussion forum in Google Groups. Now I have two GET access method which I believe needs separate representations. The 1st GET access method retrieves the minimal amount of information about a Group. Given a *group_id* it should return a minimal amount of information like { group_id: "5t7yu8i9io0op", group_name: "Android Developers", is_moderated: true, number_of_users: 34, new_messages: 5, icon: "http://boo.com/pic.png" } The 2nd GET access method retrives summary information which are more statistical in nature like: { group_id: "5t7yu8i9io0op", top_ranking_users: { [ { user: "george", posts: 789, rank: 1 }, { user: "joel", posts: 560, rank: 2 } ...] }, popular_topics: { [ ... ] } } I want to separate these data access methods and I'm currently planning on this design: GET /group/:group_id/ GET /group/:group_id/stat Only the latter will return the statistical information about the group. What do you think about this ?

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• Extracting, then passing raw data into another class - How to avoid copying twice while maintaining

  - by Kache4

  Consider a class Book with a stl container of class Page. each Page holds a screenshot, like page10.jpg in raw vector<char> form. A Book is opened with a path to a zip, rar, or directory containing these screenshots, and uses respective methods of extracting the raw data, like ifstream inFile.read(buffer, size);, or unzReadCurrentFile(zipFile, buffer, size). It then calls the Page(const char* stream, int filesize) constructor. Right now, it's clear that the raw data is being copied twice. Once to extract to Book's local buffer and a second time in the Page ctor to the Page::vector<char>. Is there a way to maintain encapsulation while getting rid of the middleman buffer?

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• SharePoint Workflow: how to update the item without triggering the workflow again

  - by Philipp Schmid

  I have a SharePoint workflow which is running whenever the item changes. The workflow communicates with an external REST service. If the service returns a string, I want to update one of the field values with that string. Unfortunately, this update will trigger another instance of the workflow for this item once the current workflow terminates. I end up with an infinite loop! How I can prevent this from happening? SPListItem has Update(), UpdateOverwriteVersion(), and SystemUpdate() methods but none of them seem to prevent subsequent workflows from being triggered. I could inspect the last modified timestamp of the item and terminate the workflow if the last update happened within a certain timespan, but I am looking for a more robust solution.

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• PostSharp OnMethodBoundaryAspect

  - by José F. Romaniello

  I'm working on an aspect with postsharp 1.5 and OnMethodBoundaryAspect. I want my aspect have the following behavior by default: 1-If the attribute is used at class level the aspect is applied only on PUBLIC methods. 2-The user of the aspect can put the aspect in a private or protected method. If I use this [MulticastAttributeUsage( MulticastTargets.Method, TargetMemberAttributes = MulticastAttributes.Public)] the point 1 works, but the case 2 doesn't even build becaue is incompatible. Then I tried to use: AttributeTargetTypeAttributes = MulticastAttributes.Public; in the constructor of the aspect, but doesn't work. Thank you very much in advance.

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• (C# ) Reloading flash files inside a windows form

  - by user257412

  Using visual C# express 2008. I have a app which shows load a flash movie in form, using this code axShockwaveFlash1 = new AxShockwaveFlashObjects.AxShockwaveFlash() axShockwaveFlash1.LoadMovie(0, Form1.currentGame); The problem is that when the Loadmovie method is called to load another flash file, without closing the form , the new flash is 'messed' up. to be more specific , it seems that the background and some controls of the previous flash still remain, 'spoiling' the new flash that is loaded. why? Using the following methods before loading the second flash video makes no difference axShockwaveFlash1.Refresh(); axShockwaveFlash1.Stop(); Solution ?

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• What topic in computer science is this?

  - by jasonbogd

  Hi, I am trying to figure out what 'topic' this is called, so I can learn more about it. Basically, I'm talking about designing my applications's architecture. I'm not talking about algorithms. More like -- this class should have these methods and these instance variables, and communicate with this class in this way, this class should have these responsibilities etc. Can anybody tell me what the name of this topic is called and how I can get better at doing this? Thanks.

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• Need help understanding Generics, How To Abstract Types Question.

  - by kmacmahon

  I could use some really good links that explain Generics and how to use them. But I also have a very specific question, relater to working on a current project. Given this class constructor: public class SecuredDomainViewModel<TDomainContext, TEntity> : DomainViewModel<TDomainContext, TEntity> where TDomainContext : DomainContext, new() where TEntity : Entity, new() public SecuredDomainViewModel(TDomainContext domainContext, ProtectedItem protectedItem) : base(domainContext) { this.protectedItem = protectedItem; } And its creation this way: DomainViewModel d; d = new SecuredDomainViewModel<MyContext, MyEntityType>(this.context, selectedProtectedItem); Assuming I have 20 different EntityTypes within MyContext, is there any easier way to call the constructor without a large switch statement? Also, since d is DomainViewModel and I later need to access methods from SecuredDomainViewModel, it seems I need to do this: if (((SecuredDomainViewModel<MyContext, MyEntityType>)d).CanEditEntity) But again "MyEntityType" could actually be one of 20 diffent types. Is there anyway to write these types of statements where MyEntityType is returned from some sort of Reflection?

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• Need help understanding Generics, How To Abstract Types Question.

  - by kmacmahon

  I could use some really good links that explain Generics and how to use them. But I also have a very specific question, relater to working on a current project. Given this class constructor: public class SecuredDomainViewModel<TDomainContext, TEntity> : DomainViewModel<TDomainContext, TEntity> where TDomainContext : DomainContext, new() where TEntity : Entity, new() And its creation this way: DomainViewModel d; d = new SecuredDomainViewModel<MyContext, MyEntityType>(this.context, selectedProtectedItem); Assuming I have 20 EntityTypes within MyContext, is there any easier way to call the constructor without a large switch statement? Also, since d is DomainViewModel and I want to access methods for SecuredDomainViewModel, it seems I need to do this: if (((SecuredDomainViewModel<MyContext, MyEntityType>)d).IsBusy) But again "MyEntityType" could actually be one of 20 types. Is there anyway to write these types of statements where MyEntityType is returned from some sort of Reflection?

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• add table row before or after a table row of known ID

  - by Perpetualcoder

  In a table like this: <table> <!-- Insert Row of bun here --> <tr id="meat"> <td>Hamburger</td> </tr/> <!-- Insert Row of bun here --> </table> function AddBefore(rowId){} function AddAfter(rowId){} I need to create methods without using jquery..i am familiar with append after and append before in jquery.. but i am stuck with using palin js.

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• APNS: Not receving any feedback for registerForRemoteNotificationTypes: neither +/-

  - by vviji

  Hi, I have been trying to use the default code in the iPhone APNS documentation to generate a device token using registerForRemoteNotificationTypes() but without succes. Neither the didRegisterForRemoteNotificationsWithDeviceToken or the didFailToRegisterForRemoteNotificationsWithError is called. I had placed a UIAlert in both these methods- both did not appear. My iPhone is acceesing APNS using Wi/Fi using DHCP.(& am able to browse ) Is there any other setting that needs to to be done to genrate a device token? can someone post a working code which can be used to generate device token? Thanks, V

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• From a language design perspective, if Javascript objects are simply associative arrays, then why ha

  - by Christopher Altman

  I was reading about objects in O'Reilly Javascript Pocket Reference and the book made the following statement. An object is a compound data type that contains any number of properties. Javascript objects are associative arrays: they associate arbitrary data values with arbitrary names. From a language design perspective, if objects are simply associative arrays, then why have objects? I appreciate the convenience of having objects in the language, but if convenience is the main purpose for adding a data type, then how do you decide what to add and what to not add in a language? A language can quickly become bloated and less valuable if it is weighed down by several overlapping methods and data types (Is this a true statement or am I missing something).

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• How can I set the maxItemsInObjectGraph property programmatically from a Silverlight Application?

  - by Corey Sunwold

  I have a Silverlight 3.0 application that is using a WCF service to communicate with the database, and when I have large amounts of data being returned from the service methods I get Service Not Found errors. I am fairly confident that the solution to it is to simply update the maxItemsInObjectGraph property, but I am creating the service client progrogrammatically and cannot find where to set this property. Here is what I am doing right now: BasicHttpBinding binding = new BasicHttpBinding(BasicHttpSecurityMode.None) { MaxReceivedMessageSize = int.MaxValue, MaxBufferSize = int.MaxValue }; MyService.MyServiceServiceClient client = new MyService.MyServiceProxyServiceClient(binding, new EndpointAddress(new Uri(Application.Current.Host.Source, "../MyService.svc")));

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• Run both Authorize Filter and Action Filter on unauthenticated ASP.NET MVC request

  - by Bryan Migliorisi

  I have decorated my base controller with a couple of action filters. They work fine. One of those filters sets up the request - does things like set the culture based on the domain, etc. I also have a handful of actions that require authorization using the Authorize attribute. My problem is that when an user attempts to request a page they are not authorized to access, the authorization filter kicks in and redirects them to a page telling them that they cannot vie the page. The issue is that the action filters never run so the culture and other request data is never set. This effectively causes language to be wrong in the view and other data to be missing. I know that authorization filters run first but my question is this: How can I design this such that I can ensure that certain methods are always run before the view is returned, regardless of the authorization. Hope that makes sense.

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