General C++ Programming - April 2012 (Page 49)

Error invalid conversion from char to const char*

Well I have created a header file and a source file. And this invalid conversion from " char to const char*" error occurs. The header file is: using names...

[3 replies] Last: Ok I got it . Thanks guys. Solved. (by five1)

by hai2410

Automatically create a filename for a datafile based on input

Hello, I have a number of command line arguments for my int main() program which are used in my program. I would like to pass these input arguments to the fstr...

[8 replies] Last: You don't own the memory pointed to by filename, so that's very unlike... (by cire)

by MathematicsFanatic

What is causing this code to run slowly?

#include <iostream> #include <cmath> using namespace std; int new_value, amount = 1; int rotate(int x) // Rotates each number pass...

[19 replies] Last: @wtf,, if this has indeed whetted your curiosity, then I think you sho... (by Pravesh Koirala)

by rezonk

Please help me

How to insert the function on this program> #include<iostream> using namespace std; struct Student_Record{ int id_num; int assignment; ...

[13 replies] Last: This not correct (by rezonk)

by petemyster

Size of array stupidly big (Dynamic memory allocation)

Hey all, I'm trying to create an array of characters from a CString. When ever I go to allocate memory for the array of characters, it is stupidly big and clear...

[4 replies] Last: Oh ok. Thanks very much for taking the time to explain! (by petemyster)

by pel k

int and double,c++

Hello!I am trying to make a programm at c++ which will read grads and will give degs.The only problem i have is that when i give an integer as grad,the programm...

[5 replies] Last: the problem was when i was inputed ints,like 54 grads.i found the answ... (by pel k)

by jae

How to change text and background color?

I want every character to be a different color. for example, cout << "Hello world" << endl; 'H' would be red 'e' would be blue 'l' would be orange an...

[2 replies] Last: @jae Here is a small program that does what you were wondering about.... (by whitenite1)

by WetCode

Anyone know how i can do? [Solved]

Ok so i was wondering i want to make a program that can do the following. Search for a range of numbers and return everything that is within certen paramaters....

[2 replies] Last: Yep got it working now. (by WetCode)

by inmymind28

C++ List

Is it possible to replace an element in a list, with its derived class's object during the game loop(the infinite while loop) and then perform functions on this...

[1 reply] : If you have to do a dynamic cast, it's generally a bad idea. If you c... (by PanGalactic)

by stbb24

Combining Different Method of Image Watermarking

Hello and Good Day! I'm about to take my Senior Thesis and the topic that I choose is about Digital Image Watermarking. I have no experience in Image Proces...

[2 replies] Last: which is more convenient to watermark jpeg or png? (by stbb24)

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