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• IVsEditorAdaptersFactoryService.CreateVsTextViewAdapter throws an object null reference

  - by Adam Driscoll

  I'm trying to create a IVsTextViewAdpater with the IVsEditorAdaptersFactoryService but when I call CreateVsTextViewAdapter it throws an object null reference: var editorFactory = componentModel.GetService<IVsEditorAdaptersFactoryService>(); var serviceProvider = (Microsoft.VisualStudio.OLE.Interop.IServiceProvider)this; var view = editorFactory.CreateVsTextViewAdapter(serviceProvider); 'this' is a Microsoft.VisualStudio.Shell.Package implementation. Any ideas?

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• How do I overrride fieldset.html template so that I can pass more arguments

  - by Anand

  I am overriding the admin fieldset.html template? I need to access the model. I have a table called domain and I need to query the database (Domain.objects.all) get a list of all the domains and pass it to the template. How/where would I do it especially with respect to admin interface. Thanks

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• pass Multilple paramets in struts action with same parameter name

  - by raju

  Hi I would like to pass Multiple parameters for single param in action tag. Ex: abc Answers.jsp I have getters and setters for hint (String) variable in my action. Currently i can be able to get parameter value for hint variable as abc if i send one. I would like to send multiple parameters for same variable(hint) ex: abc, xyz how can achieve the above. Thanks in advance Raju

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• Pass values from MasterPage UserControl to child ASPX Page

  - by Leekey

  Hi, Senario: Masterpage with a UserControl and a child ASPX page In the past when using this senario I've used an Interface as a way to pass a value from the UserControl (embedded in a master page) to the masterpage code behind then consume that value in the child aspx page. My question is now that asp.net 4 have arrived is this still a good way to achieve this or is there another or perhaps better way to do it? I've read somewhere that perhaps "delegates" is perhaps another route to take. Any help much appreciated Lk

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• Check on null reference

  - by Neir0

  Hello, i have the follow code: searchResults.SearchResultCollection.Add( new SearchResult() { Header = HttpUtility.HtmlDecode( htmlDocument.DocumentNode .SelectSingleNode(initialXPath + "h3") .InnerText), Link = HttpUtility.HtmlDecode( htmlDocument.DocumentNode .SelectSingleNode(initialXPath + "div/cite") .InnerText) } ); Sometimes htmlDocument.DocumentNode.SelectSingleNode(....) returns null and my application crashed with NullReferenceException. Ofcourse i can write code which check returned value on null reference but then code will be overly verbose. What is graceful way to do that?

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• "A reference to a volatile field will not be treated as volatile" implications

  - by estourodepilha.com

  The following code using System.Threading; class Test { volatile int counter = 0; public void Increment() { Interlocked.Increment(ref counter); } } Raises the following compiler warning: "A reference to a volatile field will not be treated as volatile" Am I doing something wrong here to raise this warning? Why does the compiler me warn about this?

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• Pass encrypted querystring between php and asp.net (c#)

  - by Paul

  I need to pass a single variable in a querystring from one application (in PHP) to another (in ASP.NET). It's a one way transfer...That is I need to encrypt it in PHP and decrypt it in ASP.NET (c#). I'm barely a newbie on PHP and I'd like not to have to do more than add a tag to the page that needs to do the passing. The data will be anywhere from 5 - 15 characters..only letters and numbers. Thanks!

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• How to set up my belongs_to and has_many reference

  - by dagda1

  Hi, I have an ExpenseType object that I have created with the following migration: class CreateExpenseTypes < ActiveRecord::Migration def self.up create_table :expense_types do |t| t.column :name, :string, :null => false t.timestamps end end I can see the table name is the pluralised expense_types. My question is, how do I reference this type in a belongs_to relationship? Is it: belongs_to :expensetype or is it belongs_to :expense_type I do not seem able to set it up correctly. Cheers

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• How to Pass Parameters to Activator.CreateInstance<T>()

  - by DaveDev

  Hi guys I want to create an instance of a type that I specify in a generic method that I have. This type has a number of overloaded constructors. I'd like to be able to pass arguments to the constructors, but Activator.CreateInstance<T>() doesn't see to have this as an option. Is there another way to do it? Thanks Dave

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• A reference that is not to 'const' cannot be bound to a non-lvalue

  - by Bert

  Hello, Am struggling a bit with this. Am declaring: BYTE *pImage = NULL; Used in call: m_pMyInterface-GetImage(i, &imageSize, &pImage); Visual C++ 2003 compiler error: error C2664: 'CJrvdInterface::GetImage' : cannot convert parameter 3 from 'BYTE **__w64 ' to 'BYTE **& ' A reference that is not to 'const' cannot be bound to a non-lvalue The method called is defined as: void CMyInterface::GetImage(const int &a_iTileId, ULONG *a_pulImageSize, BYTE** &a_ppbImage) { (...) Any help much appreciated, Bert

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• retrieve & pass value using navigateUrl hyperlink asp.net

  - by irienaoki0407

  hi...i'm very new in asp.net need help for retrieve and pass value using navigateUrl to another page.... i've tried but in destination page the value doesn't appear.... i use request.querystring("") tengkyu b4...

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• C++ reference type as instance variable in Objective-C++

  - by Niels P.

  C++ reference types as instance variables are forbidden in Objective-C++. How can I work around this?

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• Pass a value to an inFrame

  - by user106707

  This probably an easy thing to do but for some reason I can't get a handle on it. I have a simple form that allows people to select one if three items for sale. When they chose their item I need to pass that variable into an iFrame with a third party checkout page to safely process their cc transaction. How would I do this? Cheers-

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• REST pass multiple inputs to GET method

  - by Subramanian

  I have deployed a simple REST based application in RAD. A simple URL is accessed using http://localhost/<contextroot>/users/<username> where <username> is accessed using reqeust.getAttributes(). Now, how do i pass more than one attribute to the REST service?

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• To Reference A Generic Method With A Lambda Expression

  - by SDReyes

  It is possible to reference a generic method using a Lambda Expression Object? For example, having: TheObject: public abstract class LambdaExpression : Expression TheMethod (an extension method of LINQ): public static TSource Last<TSource>( this IEnumerable<TSource> source ) I'm trying to create an instance of TheObject, that references to TheMethod. How do you do such thing?

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• Does gcc's STL support rvalue reference already?

  - by Bear

  Hi I know Visual Studio 2010's STL has been rewritten to support rvalue reference to boost its performance a lot. I am curious that STL of gcc 4.4 (and above) does support it? Thanks.

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• ASP.NET/PHP: How to pass session variable from PHP to ASP.NET

  - by eibhrum

  I was wondering if it's possible to pass a session coming from PHP by simply clicking a link from the PHP site from PHP site: Click here and then the ASP.NET site (www.123company.com) will get the value of id=1 and use it to validate an existing function. Is it possible? Comments and suggestions are welcome. Thanks

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• WPF reference style in resource dictionary and use triggers

  - by Taylor

  I have a style defined in a resource dictionary that applies to all ComboBox controls. Within the ComboBox control, I reference the style like so: Style="{DynamicResource MyComboBoxStyle}" This works ok. I want to be able to add some triggers to some of the ComboBox controls. What is a good way to use the style referenced as a dynamic resource yet still be able to add triggers to some of the ComboBox controls?

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• mean and variance of image in single pass

  - by ajith

  hi everyone,am trying to calculate mean and variance using 3X3 window over image(hXw) in opencv...here is my code...is there any accuracy issues with this??or is there any other efficient method to do it in one pass.? int pi,a,b; for(i=1;i

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• Make Visual Studios "Add Service Reference" Feature use an existing Class

  - by gencha

  When I add a service reference to my Visual Studio 2010 C# project, a new class for one of the types defined in the WSDL will be generated. A de-facto equivalent definition of that type already exists in our solution in a different assembly. When adding the SoapTypeAttribute to the existing class and replacing the references to the generated class in the generated code, everything runs perfectly and as expected. How would I tell Visual Studio to use the existing class in the generated code?

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• Object reference not set to an instance of an object Error

  - by Siva

  I'm trying to save text fields in MySql using NHibernate in Asp.Net frame work. But while executing this I got the error"Object reference not set to an instance of an object". If anyone knew help me...

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• Pass function as parameter in PHP

  - by Casidiablo

  Hello everybody! I've been wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS: object.exampleMethod(function(){ // some stuff to execute }); What I want is to execute that function somewhere in exampleMethod. Is that possible in PHP? Thank you so much.

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• Error 'duplicate definition' when compiling 2 c files that reference 1 header file

  - by super newbie

  I have two C files and one header that are as follows: Header file header.h: char c = 0; file1.c: #include "header.h" file2.c: #include "header.h" I was warned about 'duplicate definition' when compiling. I understand the cause as the variable c is defined twice in both file1.c and file2.c; however, I do need to reference the header.h in both c files. How should I overcome this issue?

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• How to pass output of a linq query to another form in C#

  - by Ani

  I have a Linq query and I want to pass the ouput (userid) to another form for further processing. var userid = from auser in allusers.Users where auser.Username == nameString select new { id = auser.UserId }; so only 'UserId' is stored in variable 'userid' and I want to use this value in another form. Is there any way we can do this. Thanks, Ani

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• How can I pass init parameters to HttpSessionListener?

  - by Dan

  When configuring filters, I can pass some values to a filter as initial parameters in web.xml and obtain those values in Filter via FilterConfig. How can I configure some initial parameters in web.xml for HttpSessionListener? If this is not possible, what are alternatives?

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