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General C++ Programming - March 2017 (Page 12)

So, I've been struggling with this assignment for a while.. At first I thought I had the issue solved when I was finally able to get the thing to compile, but n...

[1 reply] : I suggest you go back and add braces to all of your control statements... (by jlb)

by kharis820

Need Help With Compiling (Over stack error)

So I had this for my assignment and I have submitted it but I am having trouble compiling. Can anyone help me out ? Credit Card Number Validation (100...

[6 replies] Last: Thanks.I installed a standalone compiler (code blocks) and it compiled... (by kharis820)

by hetheria

2 Arrays (1 even, 1 odd numbers)

How could I create 2 arrays; one that holds only even numbers and one that only holds odds? They will both hold N number of elements in which N is inputted by t...

[4 replies] Last: ok, the pointer solution works. I don't understand what you said, bu... (by jonnin)

by kapil2905

How to use make_shared for making the instance of singleton class. Instantiating singleton class gives error.

Hi ppl :), I am trying to make instance of singleton class using make_shared. Getting error while instantiating the singleton class. Kindly note that if we ...

[1 reply] : As the compiler said, your call to std::make_shared requires a default... (by Cubbi)

by bingaloman

Is it possible to use C++ to open an application and edit info?

Hello, I am very new to C++ and was wanting to take on a small project. At my workplace, there are times when we have to manually open up an application, log...

[1 reply] : C++ is a hybrid language and supports inline assembler language as wel... (by jonnin)

by bbiz

Singleton Class destructor C++

I started working on a system modeling project a couple of weeks ago and have run into a situation where I believe I may need to use a Singleton Class, albeit, ...

[1 reply] : It depends on how you implement the singleton. If the instance is a lo... (by Peter87)

by JUAN DENT

Shouldn't a constexpr function be evaluated at compile time?

Hi, shouldn't the following constexpr function get() be evaluated at compile time? Why can I step into it at runtime? template< typename Dimension > s...

[3 replies] Last: Thank you once again JLBorges for your unmistakable speed and depth at... (by JUAN DENT)

by rinosreg

Help with Decision Program

I need some help on an assignment on an introduction to programming class. My goal is to ask the user for a number of seconds and determine how many minutes, ho...

[3 replies] Last: #include<iostream> #include<complex> using namespace std; int main()... (by sujitnag)

by Gresham

A *prt in the right dir; help2Sort photos w/ images

Looking for C/C== ideas/concepts to design home system to sort images ( jpeg/bmp/png's by Friend, User, Date, Purpose, Location,& 2-3 others. -Catch being that...

[3 replies] Last: @OP Probably out of the question given you want to go it alone https:/... (by closed account 48T7M4Gy)

by Hunter isaacs

i need to convert this code to read from a file called lineup.txt

#include <iostream> #include <string> using namespace std; int main() { //Declare variables int numStudents; int count = 0; //Get input cou...

[2 replies] Last: If the program is called prog, then just run it from the command line ... (by dhayden)

by tinku1232

While Loop Not Ending in Main Function

#include <stdio.h> #include <string.h> #include <stdlib.h> struct hash *hashTable = NULL; int eleCount = 0; struct node { int key,...

[2 replies] Last: If I run the program and enter option 5, it terminates. What input ar... (by dhayden)

by AbsolC85

C++ compile error ! (1,2)

Hey ! I've tried several time to compile and coorect the messy code of a server software, and unfortunately all my attemps result in the same 5 errors : L...

[32 replies] Last: How could you expect that when you neither answer the questions nor p... (by AbsolC85)

by newbcoding

expected unqualified-id before '}' error on LinkedArray

I'm trying to create a header for my LinkedArray class and I keep getting this error.. I can't pinpoint the issue, so any help would be great. Usually when it's...

[1 reply] : template <class myUnit> { lines 89-90 what is this - a template clas... (by gunnerfunner)

by xxdms2k11xx

Error 193!!!

When i compiled all codes it has an error and it says failed to execute "C\your c folder directory\main.exe" Error 193 %1 is not a valid win32 application. ...

[3 replies] Last: Maybe better then to create reate a new project and paste your code in... (by Thomas1965)

by wejdannn

scheduling program

how i can do that in c++ i can not know how i can start ? Assume there are three (or any number) concurrent processes running on a system (with single CPU). T...

[1 reply] : So, what happens when you run it? Does it run? What results do yeou ge... (by closed account 48T7M4Gy)

by knox41234

There is a segmentation fault in this function

I need help finding the cause of segmentation fault. void MainWindow::tagfound(QNearFieldTarget *target) { QByteArray id; id=target->uid(); qD...

[1 reply] : line 12 for(unsigned int i =0;i<=list.size();i++) The middle condit... (by wildblue)

by audricnathan

Memory Allocation

Smart people out there, I need your help. I have basic knowledge about C++ first of all. I got a task to make a simulation of a memory allocation using the ...

[3 replies] Last: something on these lines? #include <iostream> #include <memory> #inc... (by gunnerfunner)

by Tomheza

Quadratic Equation

So this is an exercise for a C++ class and i got a task: How many real different solutions does an equation: ax2+bx+c = 0 has. Input is: -10^6<=a,b,c>=10^6 ...

[8 replies] Last: Oooh so that's what i was missing.. I was caught up in an idea that ma... (by Tomheza)

by Sahba91

Pointers in function

I lost track of pointers at some point. Can anyone help me to find the bug? Thanks, // ptrtest1.cpp // tests sum, maxPtr, minPtr and valueDiff functions #in...

[3 replies] Last: void printTable( double *values, int n, int perRow ) { if( value... (by integralfx)

by Wu zhen hai

coroutine usage

I have the following questions: 1)what is 'coroutine'? 2)'coroutine' purpose? which advantages can 'coroutine' take? 3)some examples?

[1 reply] : Boost.Coroutine Introduction explains what coroutines are, why they ar... (by JLBorges)

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