General C++ Programming - October 2018

Trouble with first part of my program
 
Need help with this issue. I am having in the start of my program. I ask the user to enter a file th...
[1 reply] : Let's start small. What does this program print for you? #include ... (by Ganado)
class does not a name type error (1,2)
 
Hi everyone, i wrote my code on visual studio first but i have to delivery my task on GNU mingw. In ...
[23 replies] Last: Also make sure that .txt file is really .txt not .txt.txt. (by jlb)
by stav
Compatibility between compilers
 
Hi i recently ran in to a problem where i couldn't link with a library because it was compiled with ...
[5 replies] Last: Correct, I don't do a lot of shared libs so I forgot that the only "po... (by jlb)
by stav
Undefined reference when linking with glew
 
Hi I'm using mingw and im trying to link with glew but i keep getting an "undefined reference" error...
[2 replies] Last: It worked! Thank you so much (i moved the *.cpp part before my linke... (by stav)
String Turkish character problem
 
Hello, first of all sorry for my english. I want to write a program that prints the number of som...
[10 replies] Last: arf, thank you. :) (by fukuli053)
Need help with nested lambda exptression
 
I have here a solution of an exercise from codewars.com which I don't understand. The exercise ex...
[2 replies] Last: Thank you Repeater! (I got a knot at my cerebral gyri ;) (by nuderobmonkey)
How Can I Write This Program to Create Arrays Using Pointers for Exam Scores?
 
I have homework that I put off to the last minute, need some help coding this program that is due to...
[6 replies] Last: You're welcome - glad it helped. (by MikeyBoy)
by stav
Opengl only sending vertex buffer once?
 
Hi im new to opengl and im trying to make a mandelbrot set visualizer. The only way i can think of ...
[3 replies] Last: It confuses me, too (present tense, I still really only know the basic... (by Ganado)
queue of structure with template argument
 
Hello everyone, I have an issue with a queue of structure which contain a template variable. This...
[6 replies] Last: The simplest approach is usually the best. (by coder777)
working with pixels
 
I'm trying to draw a horizontal line at the bottom and then create two horizontal lines diagonal cre...
[8 replies] Last: Maybe something like this. #include <algorithm> #include <iostream>... (by tpb)
by Presm0
Books for HQ Video Streaming?
 
Hello, I'm interested in learning how services like Twitch, Youtube etc. process videos, and in g...
[1 reply] : these services are most likely using off the shelf code to do it. Th... (by jonnin)
String Help
 
Hello everyone, I am trying to build a simple derivative 'calculator' that takes a string (sinx, cos...
[3 replies] Last: Thank you guys for the speedy responses. I realize now that the proble... (by timjam27)
Recursion Questions
 
int maxSubArraySum(int arr , int l, int h) { // Base Case: Only one element if (l == h) ...
[6 replies] Last: thanks coder777, appreciate it (by mgraham186)
The code is not working. The trigonometric doesnt go in.
 
#include <iostream> #include <math.h> #include <conio.h> using namespace std; int main() { ...
[2 replies] Last: you are confusing printf and cout. printf is a C function and I often... (by jonnin)
by solbin
I want to receive input.
 
I want to input the value of p2 through the screen. #include "Postfix.h" class Postfix { ...
[2 replies] Last: You might find this tutorial helpful: http://www.cplusplus.com/doc/tu... (by MikeyBoy)
solve the linear equation
 
I am trying to solve the linear equation A.x=C. I created the matrix as shown below to find the x. W...
[1 reply] : I see no matrix. If you try to input all elements of an nxn matrix wi... (by lastchance)
Function: int findText(const string toFind, string usrStr) always returns 0
 
Hello. I have a code. My function int findText(const string toFind, string usrStr)always returns 0. ...
[3 replies] Last: Here is my full assignment Assignment: Text Editor (1) Prompt the use... (by alexsav)
by xari2
Function does not return string
 
Hello/Aslaam all, i want to convert a string into uppercase letters but the function does not ret...
[3 replies] Last: Thank you tpb and gandadu...okay i got it tpb.. (by xari2)
by volang
Call the same function, before the first call to it is completed
 
Hey guys! I'm trying to call the same function, before the first call to it is completed. My prog...
[17 replies] Last: A remarkably restrained finish to this thread, I think. Thanks all. (by Repeater)
by Yany
How to synchronize Half Duplex in Serial Port COM using ReadFile and WriteFile?
 
HI, I'm trying to communicate a PC with a microcontroller through RS485. So this means that the...
[7 replies] Last: Could you please provide me a link about "user mode"?, so I can under... (by helios)
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