i am just working on a C++ exercise for University and i am kinda stuck with overloading the << Operator. We are working with a class Complex that represents Complex Numbers. Now we want to overload << so we can just print our objects like e.g. an integer. But when i try to use the ..
I have an error when building a C++ project: Error C2678 binary ‘<‘: no operator found which takes a left-hand operand of type ‘const _Ty’ (or there is no acceptable conversion) SystemModels In build output: C:Program Files (x86)Microsoft Visual Studio19EnterpriseVCToolsMSVC.28.29910includexstddef(127,1): error C2678: binary ‘<‘: no operator found which takes a left-hand operand of type ‘const ..
I’am trying to do an aplication with qt that show device description when connecting or disconnecting, but have problem with some setupapi unresolved method. This is the error that qt show usbworker.obj:-1: error: LNK2019: unresolved external symbol __imp_SetupDiGetClassDescriptionA referenced in function "private: class ATL::CStringT<wchar_t,class StrTraitMFC_DLL<wchar_t,class ATL::ChTraitsCRT<wchar_t> > > __cdecl usbworker::GetClassDesc(struct _GUID const *)" ([email protected]@@[email protected][email protected][email protected][email protected]@@@@@[email protected]@[email protected]@@Z) and ..
While migrating this code to visual studio 2019, I encountered a problem that I could not solve. The code works in Visual Studio 2017. But when I copy it to 2019, I can’t compile it somehow. While defining a class, I looked at the differences in 2019, but I couldn’t figure out how to do ..
I am trying to use the detours library in a visual studio empty windows project. I cloned the repository (https://github.com/microsoft/Detours), I added the include directory into Project Properties / C/C++ / Additional Include Directories, and I added the lib.X86 directory into Project Properties / Linker / Additional Library Directories. I get no errors visible on ..
I’m working on a project that involves Huffman Trees. I have split my files into headers etc. I have declared a method for allocating tree nodes in the HuffmanTree.h header file, and I am implementing it in the HuffmanTree.cpp file. I am still getting an unresolved external, however. Inside the header: private: HuffTreeNode* root; int ..
I’m in the proces of implementing an Object-Recognition system using OpenCV, however I am having problem with the headers, it keeps saying unresolved, and the functions of the libraries are still red. And the version i’m using is: opencv_java451. Here’s a pic: Note that; I’ve tried to several headers like opencv1/.. and up to opencv4. ..
I use the GLFW example from https://www.glfw.org/documentation.html I get these errors Build started… 1>—— Build started: Project: generic RPG game, Configuration: Debug x64 —— 1>main.cpp 1>LINK : warning LNK4098: defaultlib ‘MSVCRT’ conflicts with use of other libs; use /NODEFAULTLIB:library 1>main.obj : error LNK2019: unresolved external symbol __imp_glClear referenced in function main 1>C:UsersJosephDesktopfoldrrgeneric RPG gamex64Debuggeneric RPG ..
I am new to c++, in my c++ project I have a class "Map" and I want to instantiate a Map object from main.cpp. I get this error: Error LNK2019 unresolved external symbol "public: __thiscall Map::Map(void)" Error LNK1120 1 unresolved externals Please help me find the reason why my code fails compiling. I call the ..
I know there are similar questions on the board, but none of them solves my problem. I’ve got a static library which uses the DirectX Shader Compiler library in one of its source files. In that source file, I’ve linked to the library via #pragma comment(lib, "dxcompiler.lib"). My library compiles fine. Now I’m using my ..