General C++ Programming - C++ Forum - February 2013 (Page 15)

Hello all, I have a problem using strncpy defined as: char * strncpy ( char * destination, const char * source, size_t num ); The cursor get's lost or in othe...

[6 replies] Last: http://beej.us/guide/bgnet/ (by sysopfb)

by blanche

beginner in c + +

Hello all, I have a problem and do not know how to solve (I am a beginner). Here is the problem: Check items of equal value a[i,j]=b[i,j] in the manner of t...

[no replies]

by alefux

Work with fractions and irrational numbers.

Hello everybody, I'm new to this site and to the C++ world, and I need your help. I'm looking for a library that handles rational, irrational and trascendental ...

[4 replies] Last: You need a computer algebra system, this one is available free (should... (by mik2718)

by Chanito

Student array Calculator

Hey! im working on a program that gives the following results: Enter a number of figures: 10 12 -5 20 -2 15 0 Sum = 50 mean value = 8.3 largest number = 2...

[no replies]

by closed account NwvkoG1T

Visual C++ 2010 Express - Jai Ho!

Finally, i came onto a IDE that i understand. And is quite easy to code in too. I agree that it does not have any code completion options like in code::blocks....

[2 replies] Last: But man code::blocks is so hard to please. I tried like 9 times to g... (by joneele)

by probuddha

Becoming a mad programmer

A programmer needs to work their skills all day long. Alot of knowledge won't be found until an actual problem accurs. But with a database of knowledge you can ...

[no replies]

by Alam

??????????????

I didn't remember how to input a sentence in char variable using getch() plzzzzzzzzzzzzzzzzzzzzzz help me!!!

[1 reply] : #include <iostream> #include <string> int main() { std::cout << ... (by LB)

by md9405

Kronecker (direct) vector product

Hi! Does anybody know how to code the Kronecker/direct product of two vectors?? The direct product of the vectors a and b is given as the matrix below (note "...

[3 replies] Last: Another option is direct calculation, which seems practical because th... (by closed account D80DSL3A)

by eapwf9

Randomly Remove Points From Array

Hey, So I am fairly new to programming with c++ and I was wondering if there was a way to set up a code with an array of variable dimensions that removed ran...

[2 replies] Last: Okay! That makes sense, could you explain why you used void there? I a... (by eapwf9)

by urbanKS

starting problem

yesterday i installed g++ from the following page. https://github.com/kennethreitz/osx-gcc-installer i have a macbook. and i wrote a very simple skript-code:...

[3 replies] Last: Now that you have gone past the first hurdle, start using > g++ -std... (by JLBorges)

by Catfish3

GCC lambda optimization issue?

The following function causes my program to stall if the program was compiled with either -O2 or -O3 . See the two std::clog statements. Using nuwen's ...

[8 replies] Last: What's wrong with this? unsigned char c = 0; do { ... (by LB)

by Tiger58

How do I pause after outputting results?

I mean on the executable file. It just displays the results and quickly flashes away, cin.get() has no effect and system("PAUSE") is undeclared. I never ...

[4 replies] Last: It is very problematic to use cin.get(); and similar functions to pa... (by Peter87)

by Konochi

New to Windows GUI

Alright, I have a question... Is there any significant difference between programming the windows GUI by hand and just using a premade one and we just add to i...

[1 reply] : It's not just the difference between programming a GUI "by hand" or us... (by plexus)

by tanja

reinterpret_cast: unsigned char to unsigned int

hello, i have following code to print out the content of a pointer in hex and dec std::ostringstream msg; msg.str(""); unsigned char value = 'F'; ...

[4 replies] Last: thank you very much (by tanja)

by closed account D4S8vCM9

Invalid read on exception

Hi, I catched an exception and want to log it on the console. This works as exepcted, but Valgrind shows me a set of invalid reads. Here the code of the ca...

[7 replies] Last: Solution is simple and easy: don't mix delete with free, i.e. if somet... (by closed account D4S8vCM9)

by mendozae

Class Constructor with string const pointer as parameter

I know my product.cpp constructor is wrong but how can I set my private variables. //PRODUCT.h #ifndef PROJECT1_PRODUCT_H #define PROJECT1_PRODUCT_H ...

[2 replies] Last: Or even better, use std::string and initialiser lists: #include <... (by Lodger)

by srikantk07

Recursive function for "vowels",Recursive function for "sum of array"

Hello, Will you please write a c++ program which includes all functions, 1) Recursive function for "vowels", that returns number of vowels in string. 2...

[3 replies] Last: I see, here is one that works well long BackwardNum(long num) { in... (by Smac89)

by eibarra

Using Templates, how to?

This is my .h file #ifndef CONTAINER3_H #define CONTAINER3_H #include <iostream> #include <sstream> #include <string> #include <iomanip> #include "item.h" #in...

[7 replies] Last: I see now , so if I give _count a constant type of int . and change... (by eibarra)

by Sadegh2007

merge two linked-list without sort

i write code that's merge two linked list without sort I think it's little have lot of code have any idea for smaller code sorry for my english node * merag...

[1 reply] : Post main code here and implementation of node (by Smac89)

by Phiru

What are they for??

I am reading a C++ book and have a question. class A { A(){} A(const A&); A& operator=(const A&); }; what are the bold lines?? And they don't h...

[4 replies] Last: The book I am reading doesn't explain what they are and how they work... (by Phiru)

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General C++ Programming - February 2013 (Page 15)