Results for constructor
When compiling my tests in CI on macOS 11, I get an error: no matching constructor for initialization of 'std::string' (aka 'basic_string') for this...
I would like to include a reference of a struct, Coord, within a class, Base, from the initializer list of derived class, Derived. When I pass the ins...
As Scott Meyers wisely taught us in Effective C++ (3rd ed.): Item 9: Never call virtual functions during construction or destruction. Now, consider ...
I use dynamic instantiation in AutoFac: public class X: I_X { public X(String p1, String p2) { ... } } public cl...
I using C# 12. In C# 12 I can use primary constructor: public class UserService(IUnitOfWork uow) : IUserService { } Before C# 12 I used null checking...
So I tested this code: class C1 {} C1.prototype. f =function(){ return 1 } class C2 extends C1 {} C2.prototype. f =function(){ return super.f()+1 }...
I'm searching for a solution that I have a generic constructor parameter where the T is the type of the derived class: public abstract BaseClass{ /...
Runge-Kutta schemes consist of an algorithm, implemented in Scheme, and a piece of data, called Table (Butcher tableau). For the construction of a sch...
If I have a macro like #define ABORT(msg) AbortHelper(__FILE__, __LINE__).Report(msg) Is AbortHelper::AbortHelper(const char*, long) guaranteed to be ...
I am trying to write a xunit test method for my controller to test a JsonResult. But since the controller takes a parameter which will be injected fro...
I'm working on a Kotlin project that needs to work with 'rational' numbers. To do that I have a class that stores a rational number as two integers (n...
I'm using C++20 and have a structure that contains a transparent union that contains an array. I need my structure to have a constexpr constructor, b...
I have a simple ProductController which uses ProductService to retrieve a product given the productId. However, when the productService is initialized...
I am learning Spring and using XML-way to create 2 beans instances of a POJO Class named "Notepad". finally I got two instances: n1 = Notepad@56dc1551...
Is there any easy way to inherit function constructor from class? For example I have this code: class Parent { constructor() { this.parentFi...
I would like to create thread local storage using tbb::enumerable_thread_specific for elements of type that takes not-const reference in the construct...
How do I lazy init class members without a default constructor? Here is the minimum reproducible example: #include #include #include using namespac...
Say we have a class: class Foo { public: Foo() = default; Foo(const Foo&) = default; Foo(Foo&&) = default; // other functions... private: //...
I am new to wxWidgets, and am trying to pass in a pointer to my parent window using the this keyword. Here is the code. The code for the frames header...
I am working on a personal project with Spring Boot. I am getting the following error: Parameter 2 of constructor in com.learningapp.backend.Academix...
While doing some coding practice, I encountered the following error when attempting to pass ownership of an optional std::unique_ptr to a std::shared_...
This is my problem, I have it sorted, but I think that there is a better way of doing this: I have the following code: public class A { public A(i...
I have an abstract class A, and a concrete subclass B. B has a constructor with a large code base depending on it but now I need a new way to construc...
I'm working on a C++ code example that uses virtual inheritance and multiple inheritance. In my code, I've noticed that I have to call the constructor...
Trying to learn C++ and I was practicing for_each loop and lambdas. I am writing a simple example where a members of a vector are constructed in the f...
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