Beginners - February 2023 (Page 2)

[Dynamic Polymorphism/object slicing] Overriden functions in derived classes not called

This code simulates a random dice roll. A Dice object stores an arbitrary number of DieFace (a generic face), including two special faces: MonsterFace (whos...

[4 replies] Last: [quote=mbozzi] The problem in that case was inside BigBox::getFoo, whi... (by ElusiveTau)

by jNc

How to input multiple lines code to terminal to pass to C++ variable

Need to few lines of code to C++ with terminal Text Text text How to proceed?

[7 replies] Last: Not Qt, but it works fine. You display output in the terminal - and in... (by Geckoo)

by jNc

How to delete dynamically allocated object if Out of Scope

Assume, Object 1 function 1 calls Object 2 function which return value, value is dynamically allocated var, then Object 1 function 2 use variable returned abov...

[11 replies] Last: In general, the subsystem which performs allocation of a resource shou... (by JLBorges)

by jNc

How to return array of doubles? (1,2)

#include <iostream> using namespace std; double *f(); int main() { double *ptrToDouble = f(); cout << ptrToDouble << endl; cout <...

[20 replies] Last: > The reasons given for it are just arm waving to support a preference... (by JLBorges)

by frek

Raw and smart pointers

int* foo(int n) { return new int(n * 2); } int main() { std::cout << *foo(12); } Here we've a raw pointer that should be delete d before main() ends, ...

[6 replies] Last: [quote=mbozzi]The compiler could evaluate new int and g() before const... (by Ganado)

by Jonathan100

AssertNonvoid function

Hi folks. I am working with spi drivers example in C language. in this path: https://github.com/Xilinx/embeddedsw/blob/master/XilinxProcessorIPLib/drivers/s...

[1 reply] : its a debugging function to tell you the file and line number where th... (by jonnin)

by Geckoo

Leave Handle after CIN

My question is so stupid that it's a shame to post it here :) I have a console application which launches after requesting another process. In the console the ...

[1 reply] : Finally I found a solution according to my previous attempt using : Se... (by Geckoo)

by ElusiveTau

Is it possible to delay base class ctor call in member initializer list?

#include <iostream> struct Sample { int x = 0; Sample() {} Sample(int value1) : x(value1) {} }; struct DSample : public Sample { int y = -1...

[3 replies] Last: [quote=Peter87]This might be necessary if you need to do calculations ... (by ElusiveTau)

by jNc

how to pass some data to string

Assume, I need to pass some data to buffer for future copy to terminal or so on. How can I proceed? I know only stupid way with WinAPI (VK_CONTROL) Looking ...

[5 replies] Last: [quote=George P]The WinAPI virtual key codes are #defines, they are re... (by Peter87)

by newbieg

Span Vs Vector

I occasionally tune into "C++ Weekly" on Youtube, and this is today's video: https://www.youtube.com/watch?v=zCzD9uSDI8c "C++ Weekly - Ep 361 - Is A Better `ma...

[9 replies] Last: A generated html version of the current working draft: http://eel.is/c... (by JLBorges)

February 2023 Pages: 12

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