Category "c++"

How do we call c++ application from web on client side on linux

For example, a client has a c++ application, and trying to access web application on the browser. But the web application needs to run this application. I don't

How to use ceres-solver to solve high dimensional non-linear problem?

     I need to solve the optimization problem: . A and b are known. I use Zero to represent A and b to facilate the expression in the follow

C++ Override a pure virtual method with reference to an abstract class as a parameter by method that takes non abstract sub-class as parameter

I have the following code: struct A{ f()=0; }; struct Aa : A{ f(){} }; struct B{ void foo(A&)=0; }; struct Bb : B{ void foo(Aa&); }; Right now I

How to use ceres-solver to solve high dimensional non-linear problem?

     I need to solve the optimization problem: . A and b are known. I use Zero to represent A and b to facilate the expression in the follow

Mac Terminal Wont Open When I'm Using QT Creator Anymore

Before I updated both QT and Xcode on my mac, my computer just stopped opening up the terminal when I went to run my code. It had worked for months and is still

Object not declared in this scope error in cpp?

I'm getting error SPIGtestMain.cpp:"MockObj not declared in this scope" though I've declared it globally in with extern keyword in SPIGtestMain.cpp file. SPIG

Object not declared in this scope error in cpp?

I'm getting error SPIGtestMain.cpp:"MockObj not declared in this scope" though I've declared it globally in with extern keyword in SPIGtestMain.cpp file. SPIG

Infinite loop in a C++ constructor [closed]

I've got this class in c++ and I'm having trouble with the second constructor: for some unknown reason, the IDE is acusing an infinite loop. I

OpenMP array initialization impact

I am working in parallel with OpenMP on an array (working part). If I initialize the array in parallel before, then my working part takes 18 ms. If I initialize

Which libtorch libraries do I need to distribute?

A new DLL in my application requires the C++ libtorch API. A fellow developer has downloaded it and created a C++ DLL that uses it. However the entire thi

How to correctly define a dispatching function in C++?

I have the following problem: I receive commands through an AF_UNIX socket (no problems about network byte ordering). the first word in packet is the command, t

C++ loop using queue- error: ‘begin’ was not declared in this scope

I am not very familiar with C++ pointer and address. I think I have an error related to the pointers. The program consists of different objects of objects, I

Unexpected output when printing to 0xb8000 - osdev

I'm developing a kernel and when I try to print to video memory(0xb8000) I get weird characters when I run it. What I have tried: I have tried to find some answ

c++ find similar string in map/vector

Is there a c ++ function that finds all string occurrences above the map / vector that differ by max in 1 (generally n) character? Possibly some procedure that

Win32 application not finding icon for window

I created a icon as a resource I checked explorer and it works just fine, my exe now has that icon Next, I used hIcon to set the icon of my window but it says

Specialize a visitor for types under a namespace

I have a variant which can contain 8 different types, some of them under a particular namespace std::variant<T0, T1, T2, ns::T0, ns::T1, ns::T2> v; There

How do I make this function more efficient?

I'm trying to create a tiny database that contains a list of people, their names, ID, and their income as time passed on. Using this database I'd like to find t

Append to registry without expanding variables

I'll just start off by saying that I'm by no means an expert in C++, so any pointers/tips are greatly appreciated. I'm having some difficulties reading and writ

Single overloaded constructor

I am not sure how to ask this question. I did my research but I couldn't find my question. For example, I have 3 variables which are FirstName, Surname and Emai

Can I use Xcode font on QtCreator?

After using QtCreator for a long time on Windows I was comfortable with it. But now I'm using it on macOS too and it feels different. I noticed default font is