Category : interface

I have problem with my DLL. I created a Library project in QT with this information: MyProject_global.h: ` #ifndef MYPROJECT_GLOBAL_H #define MYPROJECT_GLOBAL_H #include <QtCore/qglobal.h> #if defined(MYPROJECT_LIBRARY) # define MYPROJECT_EXPORT Q_DECL_EXPORT #else # define MYPROJECT_EXPORT Q_DECL_IMPORT #endif #endif // MYPROJECT_GLOBAL_H “` MyProject.h #ifndef MYPROJECT_H #define MYPROJECT_H #include "MyProject_global.h" #include <QDateTime> #include <QDebug> //trying to do an ..

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I am writing an Interface for Matrix class in C++ So all functions need to be virtual Now in the below code I have defined a virtual function virtual Matrix add(Matrix A, Matrix B) const = 0; The problem I see is the class Matrix is not defined. So I am confused should I define ..

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In the file "/etc/network/interfaces" I defined the "eth0" interface and aliases for it (eth0: 0, eth0: 1): auto eth0 iface eth0 inet static address 192.168.3.1 netmask 255.255.255.0 gateway 192.168.3.10 auto eth0:0 iface eth0:0 inet static address 192.168.3.2 netmask 255.255.255.0 auto eth0:1 iface eth0:1 inet static address 192.168.3.3 netmask 255.255.255.0 as a result I have # ..

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The directory structure for my header-only library is as follows: proj/ include/ proj/ file1.h file2.h CMakeLists.txt Basically I would like to be able to do the following inside file1.h (and therefore anywhere within the project): #include "file2.h" But have to do the following in any external project: #include "proj/file2.h" Currently, my naive implementation of this ..

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I’m trying to define an abstract interface class AbstractSystemInterface for a dynamical systems problem. The dynamical system has an n dimensional state vector and an ‘m’ dimensional input vector whose lengths are known(at compile time) by the developer who implements my interface. The developer in their derived class also implements functions on actually populating the ..

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I have come across the interesting and powerful concept of "traits" recently and am attempting to understand/implement them in C++. From what I understand, traits provide a way both extend/adapt the functionality of exiting code and define an "interface" for a class without using traditional inheritance (and all the overhead/problems that come with it). I ..

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