General C++ Programming - C++ Forum - February 2018 (Page 10)

Is my method of void replacement bad idea?

Since I really don't like exception throwing, I came up with the idea where instead of a void I return class PorcessInfo. ProcessInfo is a class which contains ...

[2 replies] Last: Just be sure you won't go further developing your ideas until after an... (by barnack)

by foobuntu

General gui design workflow for newbie

My question on Stackoverflow was blocked/closed/whatever because it was to unspecific but as a newbie I feel the need to ask for the bigger picture rather than ...

[13 replies] Last: Its more of an experience thing, its hard to give a tutorial on a big ... (by jonnin)

by stav

derived class reference to derived class

Hi I have the following code: #include <cstddef> #include <iostream> #include <vector> class Entity; std::vector<Entity*> entities = std::vector<...

[2 replies] Last: In addition, the code has undefined behaviour because Entity does no... (by JLBorges)

by George1993

WndProc is Undefined

I'm reading through a DirectX 11 book and with a block of code within the book keeps throwing me an error... int WINAPI wWinMain(HINSTANCE hInstance, HINS...

[2 replies] Last: I suggest you get a book (or more) on creating Windows applications fi... (by closed account E0p9LyTq)

by closed account oyA74iN6

searching a word

Given first term (a), common ratio (r) and a integer N of the Geometric Progression series, the task is to find Nth term of the series.

[1 reply] : What is the question ? (by SamuelAdams)

by closed account oyA74iN6

incremental sort

Given a stack, the task is to sort it such that the top of the stack has the greatest element. Input: The first line of input will contains an integer T den...

[1 reply] : when writing your comparison for the std sort routine, you can make it... (by jonnin)

by ShashwatJha

Read access violation in dynamic stack implementation

#include <iostream> #include <conio.h> using namespace std; struct Node { int info; Node *next; }; Node *top = nullptr; Node *np = nullptr; No...

[3 replies] Last: np->next = top; top = np; top->next is never NULL, so you don't kn... (by kbw)

by urko18

Robotic arm torque control (1,2,3)

Hello everyone, I am an engineering student and I am doing my final career year practices. In these practices, I have to implement the control of a robotic a...

[47 replies] Last: Thanks doug4 !! Ok, I've already corrected the comment that I was mis... (by urko18)

by mynava

Issue calling counter loop function in main

Hello, I am currently stuck and unable to get the proper results for my program. Part of the assignment is to count and print all even numbers from an array. I ...

[4 replies] Last: @Misenna - that was it!! My the program is working perfectly now. I kn... (by mynava)

by Confusedlabrador

Need help please

Hey guys, My program asks for a physics mark and outputs the mark as a percentage. I'm stuck on making sure that the mark is not below 0 or above 100. I've tri...

[1 reply] : 1. See lines 25 and 33. OR is || AND is && 2. See lines 15 and 33 - ... (by lastchance)

by kindgnice

Throwing values to Matrix Class?

Hello professionals, I tried throwing values to these Matrix44 class function but I failed... #include <iostream> #include <cmath> template<typename T> cl...

[3 replies] Last: Thank you @JLBorges. :) (by kindgnice)

by JUAN DENT

Do not understand why declval<T> just adds an rvalue reference to T...

Hi, I am reading the following which is not clear to me: "For referenceable types, the return type is always an rvalue reference to the type, which allows...

[13 replies] Last: > which compiler do you use and which OS? These days, I use Windows f... (by JLBorges)

by DiamondWolf

SDL_TTF installation?

I can't for the life of me figure out how to install this thing. One tutorial says that I'll find the files I need in the i686-w64-mingw32 folder - notably miss...

[2 replies] Last: That's what I downloaded. Is it in one of the subfolders? I didn't see... (by DiamondWolf)

by barnack

Bitwise operators changing my type?

Greetings, i'm doing some bitwise operations concerning console colors. I've the following enum: static enum color : __int8 { blue = 0b00000001, gree...

[10 replies] Last: Ok, thanks! @Peter87: i'm using unsigned char (by barnack)

by NG99

NG99

#include <iostream> #include<cstring> using namespace std; int main() { char s1 ="Pokemon",s2 ="Pikachu",s3 ="Raichu"; cout<<"B= "<<strcmp(s...

[2 replies] Last: Please read the description of strcmp and strncmp. Then tell us what y... (by dhayden)

by Oarecare

Container List

How do I import/read variables from a text file into a list? creat with container list or forward_list.

[1 reply] : Basically the same as here: http://www.cplusplus.com/forum/general/229... (by Thomas1965)

by kindgnice

Spherical Coordinates for Shading only in CG?

In computer graphics, it was mentioned in this link https://www.scratchapixel.com/lessons/mathematics-physics-for-computer-graphics/geometry/spherical-coordin...

[no replies]

by WildB

Need help finding the maximum, minimum and average of the sales amount(from a file) without using an array.

#include<iostream> #include<string> #include<fstream> using namespace std; enum MonthType { JAN, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC }; Mo...

[6 replies] Last: Thanks I test this out when I have the time(probably tomorrow). Also t... (by WildB)

by adnan adi

error: no match for operator

void InitializeGame(int dim) { // Initialize board memory char board = { {'r', 'n', 'b', 'k', 'q', 'b', 'n', 'r'}, {},{},{}...

[1 reply] : cout<< board ='p' ; You're trying to assign an index and print the... (by Ganado)

by znyk

assembler in borland c++ 5.5

Welcome I use borland compilator c++ 5.5 under Windows 10. When I compile programme including assembler I have error: Warning W8002 MAIN.CPP 31: Restarti...

[2 replies] Last: You also need Borland's assembler, TASM, which did not come with the c... (by Duthomhas)

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General C++ Programming - February 2018 (Page 10)