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General C++ Programming

by admin
Welcome to this board!
Welcome to the general programming forum in C++.com! In this forum, users can to talk about any top...
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Virtual method from derived class is not called
Hello all, i am stuck fixing why the base classes virtual method is not called. The variable (ar...
[7 replies] Last: Polymorphism - via virtual - only works when called via a ref or a po... (by kigar64551)
by thmm
Fuzzer support in VS2022
I just installed VS2022 and noticed that there is sth. called Fuzzer Support under Settings->C++->Ge...
[1 reply] : The /fsanitize=fuzzer compiler option enables experimental suppor... (by JLBorges)
Code writing specification when it needs to be broken to the next line
How's coding text specification when it needs to be broken to the next line by adding \ i.e. how is ...
[4 replies] Last: heh, they linked the tame clang bug report, but not gcc's https://gcc.... (by Cubbi)
Image pixel to vector
Is there any way to read various images from different types like bmp, jpeg, png and put those pixel...
[14 replies] Last: Is there any way to figure out the image file type, image file name a... (by kigar64551)
help with stack
Hello, I'm trying to create a stack wherein it can accept any data types, but somehow I'm having som...
[3 replies] Last: As one file, consider: #include <iostream> #include <string> templ... (by seeplus)
FFT results of c++ vs MATLAB (1,2)
I have the following code in c++ with an fft function that has been tested before: #include <cma...
[21 replies] Last: Here's a version of the program that doesn't leak memory or fftw_plan... (by mbozzi)
by t im
About the return value of (b, c)
I just want to write the code // a, b, c are all int; a = max(b,c); However, I missed the max, a...
[3 replies] Last: Thanks for your answers. (by t im)
Does reference variable/reference parameter store address?
I know that reference is an alias to a variable but i read somewhere online that reference store a...
[4 replies] Last: As mentioned, in the language, references have no size and no address,... (by Cubbi)
why does printing address of c string returns the entire string?
why does printing address of c string returns the entire string? let's say I have a char cString ...
[3 replies] Last: Thanks. I edited my code. (by Worldtreeboy)
Help in Stacks
Hello. I've been studying stacks and I just want to know on how to modify this code below, wherein, ...
[4 replies] Last: printStackElements() is very inefficient as it first copies the stack ... (by seeplus)
Assigning derived class of new-array failes
Hello all, i am currently in the process of implementing a console version of greenfoot. I have a...
[2 replies] Last: Class Entity should have a virtual destructor. Deleting an object... (by JLBorges)
Difficulty with "if statements" homework
I'm struggling hard with an exercise in Cengage for my Intro to Programming class. Professor hasn't ...
[5 replies] Last: Post your completed code and we could give some "better ways to code" ... (by George P)
Help with building this game
Hi all , I have been trying to make a game where 2 players pick from 4 cards but I am having trouble...
[9 replies] Last: FYI, anyone foolish enough to click on spammer Hison's links deserves ... (by George P)
Help Lease a property ADT
Add a Property Lease a Property Retrun a Property Show Property Details Show all Property ...
[6 replies] Last: To get you started: #include <list> #include <queue> struct Property... (by thmm)
by crdo
can't see my data stored in a (VECTOR/STRUCT)
my code is bellow. I'm trying to call the data stored in the vector (cout command in the last line) ...
[7 replies] Last: L21. This isn't needed as file streams are closed automatically when t... (by seeplus)
Phone DB app c++ (1,2)
Hi All I have developed a phone DB application with user name, address, contact number related in...
[26 replies] Last: is it awful? Its ensured so you can do exactly that, or am I off base... (by thmm)
2D FFT of Eigen matrices using FFTW library
I'm trying to use the FFTW library with Eigen. Since Eigen's unsupported module is slower. So, I'm s...
[2 replies] Last: @kigar64551 hey you're so right, I guess writing code at 1 am is not a... (by JamieAl)
by frek
Max product of three elements
Hi all, Task, in summary: Find the maximum product of three elements in an array of int type with ...
[8 replies] Last: That's why I assume there must be some math source I can study and le... (by seeplus)
by kbw
What is an undefined reference/unresolved external symbol error and how do I fix it?
It depends on where you see it, during compile or link. It means you've used something without decl...
[1 reply] : Usually the error also says where the bad reference comes from. Read ... (by dhayden)
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  Archived months: [apr2022]