I’m facing LNK2019 error: unresolved external symbol on some_container methods (including constructor and destructor) while trying to build my project. This comes from my template class: some_container.hpp #include <unordered_set> namespace name_space { template<typename T> class some_container { private: static std::unordered_set<T> some_set; public: some_container(); ~some_container(); static const bool insert(T item); } } some_container.cpp #include "some_container.hpp" using ..
Category : visual-studio
I have a reasonably large project, when I update the C++/WinRT NuGet package I get the following problem: 1>C:Program Files (x86)Microsoft Visual Studio19CommunityVCToolsMSVC.29.30133includexsmf_control.h(137,33): error C2139: ‘winrt::ProjectName::ExistingClass’: an undefined class is not allowed as an argument to compiler intrinsic type trait ‘__is_trivially_destructible’ It seems to be caused by a wrong forward declaration. Any idea on how ..
I hope this does not get closed, but I have the following issue: I have a medium sized/large c++ project and require some machine learning for a task. I would like to avoid having to code my own framework, so I’m trying to install pytorch, or libtorch as it’s called for c++. I have used ..
I’ve been trying to use SOCI for 3 days, but I cannot make it work. First I’ve installed MySQL from the official source and I selected the development installation, so I got the server, router, C++ connector, ODBC connector, Python connector, and shell. Then I tried to install SOCI in many different ways, but I ..
I have a slight problem with my code and think I am missing out on something or don’t understand. Here is my code that basically reads the data from a .txt file and assigning the array to a float. In another .cpp, I want to have this array assigned to another variable but there error ..
I wanted to run local flutter engine in vs2019, like flutter engine example GLFW example. Flutter also has a shell on Win32 platform which using ANGLE and HWND token hold by FlutterView to display content. So how can I link to engine and build or run in visual studio 2019? Source: Windows Que..
So we’re required to use PNGWriter w/ Visual Studio to make a GUI where an image (PNG) is browsed for and opened up in the picture box where you can then click a button to rotate the image 90 degrees, and each subsequent click will rotate it another 90 degrees. This is what I have ..
I have set one output directory to the configuration: release and when I try to set another directory to the configuration: self contained it also does changes the directory of release. gif Is not possible for each configuration to have one output directory? Currently using visual studio 2019 and the project language is c++. Source: ..
I’ve downloaded the official Quake 2 source code but can’t compile it with any of MSVC I have access to. I’ve tried to just open the workspace (quake2.dsw) in the old Visual C++ 6.0 (Enterprise Edition) as the official readme.txt states: This is the complete source code for Quake 2, version 3.19, buildable with visual ..
I ‘m learning c++ and while I’m creating a simple class my program stops to a breakpoint and I get "EXCEPTION HAS OCCURED SEGMENTATION FAULT" . I looked at the debug console I noticed a problem with msvcrt.dll on system32 folder. The code was running perfect for a few times and suddenly I get this ..
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