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by AlexCantor
Compile Errors of Substring Sort Program
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| Need help in fixing compile errors using VS2022 please: Error (active) E0757 variable "size_t" is not a type name ucrt\corecrt_memory.h 38 Need help in updati... |
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Dec 20, 2022 at 11:44am
[6 replies] Last: As a first refactor (keeping char* instead of using std::string), poss... (by seeplus)
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by AlexCantor
C++ Design Pattern
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| How to fix compile errors with VS2022 please? Following programs are from Professional C++ 5th edition by Marc Gregoire. Error C2653 'Logger': is not a class... |
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Dec 20, 2022 at 1:27am
[2 replies] Last: Thank you AbstractionAnon. Fixed the import & exports correctly. And t... (by AlexCantor)
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by PhysicsIsFun
Help me with my first OO project
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| Hi everyone, I started working on my first "real" object-oriented project. It is supposed to be a tool that allows me to easily perform various experiments i... |
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Dec 16, 2022 at 6:37pm
[7 replies] Last: A suggestion when dealing with a lot of code (a lot is a relative term... (by deleted account xyzzy)
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by klebermo
Unable to access elements of vector<vector<?>>
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| I have this class where the only atribute is a vector<vector<?>> like this: class Test { private: vector<vector<struct Pixel>> pixels public: ... } to... |
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Dec 16, 2022 at 10:31am
[10 replies] Last: [quote=LtL]Every time you found some unexpected errors or sth., give y... (by Peter87)
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by klebermo
compiler warning about class with no virtual constructor when there is one
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| I have this base class class Netpbm { protected: char magicNumber; int width; int height; Matrix<pixel> * pixels; public: ... virtual ~N... |
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Dec 13, 2022 at 9:50am
[17 replies] Last: [see reply to https://cplusplus.com/forum/beginner/285133/ ] (by seeplus)
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by klebermo
Code compiles without errors or warnings, but execution gives segmentation fault error in some cases
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| The code below is a short version of the project I am implement right now, which is a executable (https://github.com/klebermo/game) and a library (https://githu... |
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Dec 13, 2022 at 9:48am
[10 replies] Last: With this suggested code, I still got the same error, but now with th... (by seeplus)
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by jzilliam
std::bad_alloc for merge sort
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| For merge sorts I've been dealing with this error for quite sometime and cannot figure out how to solve the memory leak issue. Solutions would be great! #i... |
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Dec 8, 2022 at 11:48am
[2 replies] Last: I've been dealing with this error for quite sometime and cannot figur... (by seeplus)
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by raefnal
discrete distribution
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| I'm familiar with discrete and weighted distributions,I just can't seem to figure out how to do what I need... I need to be able to pick a random item from a ve... |
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Dec 8, 2022 at 5:57am
[8 replies] Last: Yeah, std::random_device was broken in some old versions of MinGW. Yo... (by Peter87)
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by Jonathan100
unknown type name error in Vitis
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| Hi folks. i works on Vitis environment which is based on eclipse. I have very complex code, with .c file and headers. sometimes it is compiling and sometim... |
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Dec 7, 2022 at 5:09pm
[11 replies] Last: Thanks guys appreciate 🙏 (by Jonathan100)
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by bkelly13
First use of template for array type
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| Windows 11, Visual Studio 2022, C++ This is my first attempt at a template. It will compare two arrays of type uint8_t, uint16_t, uint32_t, or uint64_t. And ... |
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Dec 7, 2022 at 5:49am
[4 replies] Last: I don't know how the VS debugger works but perhaps you where stepping ... (by Peter87)
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by AlexCantor
Need help in fixing include .h file
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| I am trying to compile couple of Functional C++ programs using Ranges feature from the following book: Functional Programming in C++ by Ivan Cukic, Manning Publ... |
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Dec 6, 2022 at 12:38pm
[5 replies] Last: Is GCC version you have used 12.2 released on Aug 19, 2022 ? No. It'... (by Peter87)
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by bkelly13
Supply a vector input with uint8_t array
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| Windows 11, Visual Studio 2022, C++ I know basic C/C++ but not vectors. I found code that does base58 encoding. The function is declared as: std::string ... |
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Dec 4, 2022 at 5:38pm
[3 replies] Last: I did not know that I wanted a vector of vectors, but that does work. ... (by bkelly13)
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by klebermo
class atributes being corrupted after initialization of object
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| I have trying implement this class class Bitmap : public Netpbm , where the subclass Bitmap has a read_file method which read data from a file (to atributes ... |
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Dec 4, 2022 at 11:37am
[9 replies] Last: As a first refactor, consider (NOT tried): #include <algorithm> #in... (by seeplus)
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by JamieAl
C++ vs MATLAB for loops syntax
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| I was trying to use the function rand() in C++ to reproduce some for loop results from MATLAB. Are these to for loops in MATLAB and C++ identical? Or I guess ho... |
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Dec 2, 2022 at 8:59pm
[8 replies] Last: ouch, twice I have looked at that and took it to be some C extension i... (by jonnin)
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by vanitution
Getting weird output when trying to pull info from file and then display it on screen
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| As the title says I am trying to pull info from a file, calculate GPA with file info, and display it on screen. I keep getting this weird output (below) and it ... |
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Dec 2, 2022 at 12:02pm
[3 replies] Last: You haven't provided a sample file input so I can't easily test, but c... (by seeplus)
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by BigNibs
isdigit not working with map
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| So my program runs... kind of. If I assume the user inputs an integer it works fine, however if they input a char or anything else really, the whole program wil... |
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Dec 2, 2022 at 10:39am
[9 replies] Last: It's often useful to have a function that displays a prompt and obtain... (by seeplus)
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