How to refer a dll which is inside another dll in WPF? For example if I have two dlls A.dll and B.dll. A.dll contains a reference to B.dll and I build A.dll. Now I want to get a component in B.dll from A.dll I use as /A;component/B;component/Original.xaml" But it is not working? ...
I do not know why this is happening: [NullReferenceException: Object reference not set to an instance of an object.] DataWeb.Core.HttpHandler.ProcessRequest(HttpContext Context) in X:\projects\visualstudio\work_projects\Production\DataWeb\DataWeb.Core\HttpHandler.cs:23 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication...
I'm doing (something like) this: void insert(Node*& node, string val, Node* parent) { if (node == NULL) instantiateNode(node, val, parent); else insert(node->child, val, node); } The thing is, that instantiateNode(..., parent) seems to modify the original *&node passed into the function when setting the *parent. instan...
This may be for most languages in general, but I'm not sure. I'm a beginner at Python and have always worked on copies of lists in C# and VB. But in Python whenever I pass a list as an argument and enumerate through using a "for i in range," and then change the value of the list argument, the input values actually changes the original ...
Hello, I want to call a function with call_user_func_array but i noticed that if an argument is a reference in the function definition and is a simple value in call_user_func_array, the following warning appears: Warning: Parameter 1 to test() expected to be a reference, value given Here is a simple example of what i am trying to do: ...
I browse to a a dll and add it as a reference. The problem is the reference absolute path is being stored. How do I change this to be a relative reference instead? ...
I'm trying to add a reference to the GAC version of System.Xml in a Visual Studio 2008 web site project. I right-click the project icon in the Solution Explorer, and click Property Pages. Under the References tree option, I click the 'Add' button on the right. I navigate to System.Xml in the .NET tab, and double click it (the Path it ...
I am very confused about when to use string (char) and when to use string pointers (char pointers) in C++. Here are two questions I'm having. which one of the following two is correct? string subString; subString = anotherString.sub(9); string *subString; subString = &anotherString.sub(9); which one of the following two is correct?...
What OpenGL / GLUT reference is the best around? Ideally I'm looking for something with C++ sample code to help me learn OpenGL as well as details about the APIs similar to what MSDN provides for .net programming. If there isn't a one stop shop, then please list the set of references I should use and what the strengths of each one is. ...
Why is it not allowed to get non-const reference to a temporary object, which function getx() returns? Clearly, this is prohibited by C++ Standard but I am interested in the purpose of such restriction, not a reference to the standard. struct X { X& ref() { return *this; } }; X getx() { return X();} void g(X & x) {} int f(...
Is it possible to change the temporary object and to pass it as an argument? struct Foo { Foo& ref() { return *this; } Foo& operator--() { /*do something*/; return *this; } // another members }; Foo getfoo() { return Foo(); } // return Foo() for example or something else void func_val(Foo x) {} void func_ref(const Foo & x) ...
Hi there, I have 2 questions related to the same problem: 1) How to return a reference to a vector which belongs to a class. I have this class: class sys{ protected: vector<int> s; public: sys(); vector<int>& getS() {return s;} //(1) }; (1) should return the reference of the vector s. However in the main: main(){ ...
Is pointer is just used for implementing java reference variable or how it is really implemented? Below are the lines from Java language specification 4.3.1 Objects An object is a class instance or an array. The reference values (often just references) are pointers to these objects, and a special null reference, which refers ...
Given the example below, can someone please show me how this could be called? bool WithinDelta<T>(T input1, T input2, T delta) Ive tried various ways such as bool foo = GenericMath.WithinDelta(1, 50, 75); bool foo = GenericMath.WithinDelta<int>(1, 50, 75); but the Type <T> is throwing me off. Sorry for the basic question, but ...
Hi, how do I the second parameter become optional? template <typename T> inline void Delete (T *&MemoryToFree, T *&MemoryToFree2 = ){ delete MemoryToFree; MemoryToFree = NULL; delete MemoryToFree2; MemoryToFree2 = NULL; } I tried several things after the = operator, like NULL, (T*)NULL etc can this be done? the only way the c...
What decision should I take about Equals(), ReferenceEquals(), and == from the following results? What do they produce actually? #region int integer = 1; int integer2 = integer; bool referenceEquality = (integer == integer2);//true bool valueEquality = integer.Equals(integer2);//true bool valueEqualityMore = object.Equals(integer, inte...
Like Linq 101 samples form Microsoft site,is there any site shows examples on Generics? or like albhari on threading can i get any ebook? ...
In Cocoa/Mac OSX 10.6 OSType IOSurfaceGetPixelFormat(IOSurfaceRef buffer) returns a type OSType where can I find some documentation/reference on the supported OSType with regard to the context of this function. What sort OSType should I expect with IOSurfaceGetPixelFormat? do you have any ideas on the various expected values from t...
Hi, I have being studying (newbie) .NET and I got some doubts. Reading from a book examples I learnt that String are object then Reference Type. So, I did this test and the result was different what I expected: I'm really curious, is this an exception because "string" are special types? class Program { static void Main(string[]...
The only thing i know about phanom reference is, if you use its get() method it will always return null, and not the object. [ then whats the use of it ] By using phantom reference you make it sure that the object cannot be resurrected from finalize method; But what is the use of this concept/class? Have you ever used this in any of...