Beginners - C++ Forum

Basically... I want to create some variables which, unless specified at compile time, aren't included in the compile. I was thinking of doing it like this: ...

[4 replies] Last: Why do you use preprocessor to cut out the inherited structures and n... (by beakie)

by shagufa

dnt nw what i am doing wrong

#include <iostream> #include <cmath> using namespace std; int main() { // The value of pressure in pounds per square inch of a wareform; const ...

[5 replies] Last: thank you ill work on it (by shagufa)

by Fliize

C++ UI

Hi everyone! Ive been making some programms in the summer, so that i dont become completely useless when school starts. Wanted to find a job, but everyone need...

[2 replies] Last: Check out QT: http://qt.gitorious.org/qt#more (by broser)

by snaxpax

First time error :S help plz

error C2378: 'LPCELLFILE' : redefinition; symbol cannot be overloaded with a typedef It worked with my previous source and im pretty sure nothing was chang...

[5 replies] Last: will look into it...ty (by snaxpax)

by Hashimatsu

Reset the consol

When I run this program on my consol the program will reset the consol window for each run. How do they do this? I want to be able to do this with a program I'm...

[16 replies] Last: "what's wrong with it?" It takes up more room, you can just make a fo... (by Shock Bolt)

by Shock Bolt

How to make a file reader NOT read the contents of the file?

I have been coding C++ for a few days, and I'm learning it pretty fast, and I'm making an audio converter, so that you can convert AC3 to MP3, etc. I wanted to...

[2 replies] Last: Mhm, thanks, I fixed the problem anyway. (by Shock Bolt)

by redbull

Using open to load a picture in picturebox

#pragma region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this met...

[4 replies] Last: Try changing picturebox1->ImageLocation = Bitmap::FromFile(); to pi... (by naraku9333)

by jaded7

Memory allocation

If, for example, I have the below snippet int *pInt = new int ; Is there a way of testing whether the memory at or above pInt is free, or in use?

[2 replies] Last: If new throws an exception, it couldn't give you the memory you asked ... (by Moschops)

by jazpearson

For loop using the modulo

My brain doesn't seem to be working at all today. Here's my problem. Imagine having an array of integers, but i want to add up these integers from a pair of ...

[6 replies] Last: const int N = 10; for ( int i = 0; i < N; i++ ) { for ( int j = i, ... (by vlad from moscow)

by Lim Boon Jye

What the code trying to do

int noname(const char*p) { char *r = (char*)p; while(*r!='\0') r++; return r - p; } I not really understand how the code ...

[5 replies] Last: @Script Coder Not to be pedantic, but vlad please change the ';' to a... (by vlad from moscow)

by Stauricus

reading from file.txt to array of strings.

hello i have a little question here. i have read the tutorial, but didn't quite understood how to work with input/output to/from files. let's suppose i have a...

[3 replies] Last: hi everybody! sorry for the double post. after a bigger search, i fou... (by Stauricus)

by freedom12

random number

Hello ! I'm knew here , and having a problem . I'm trying to make program that picks numbers between 1 and 100 , and lets the user guess what the num...

[5 replies] Last: OH it starts from 0 not 1 thank you I appreciate your help (by freedom12)

by bdolr

Trying to make program for my daughter

Hi guys, brand new to the forum, and programming in general. I just started learning how to use c++ this week, and wanted to make a console application to hel...

[19 replies] Last: Will do. Last night i was watching videos on youtube, made by krashcou... (by bdolr)

by bigo005

Header file problem

I have written this program-> //header.h #include <iostream> #ifndef HEADER_H #define HEADER_H struct structure { void add (int,int); }; void struct...

[2 replies] Last: Thank you actually i forgot to mention the namespace std. (by bigo005)

by mahone

f()=X()??

Hey, Please Correct me if I am wrong,when an expression contains '=' sign then the expression on the RHS of '=' sign is evaluated and the result is assigned ...

[3 replies] Last: so, is = a member function of every class by default? Yes.... (by Peter87)

by theredchaser

help with const char's and string literals!

I am completely stuck in comprehending Sections [10.2] String Literals revisited and [10.3] Initializing arrays of character pointers in Accelerated C++... Sup...

[1 reply] : It's not that char arrays are different. It's just that the operator<<... (by Peter87)

by mahone

Default constructor????

Hey, I was going through the following Example in my book: class X{}; X f() {return X();} void g1(X&) {} void g2(const X&) {} int main() { // g1(f()); Err...

[1 reply] : If no constructor is declared for a class then the compiler declares t... (by vlad from moscow)

by RastaWolf

is this unconventional or bad form? (cont..)

The previous thread wouldn't let me edit so here is the code I was posting. #include <iostream> #include <vector> #include <string> using namespace std; ...

[5 replies] Last: Everyday, I am surprised by the courtesy of everyone on these forums. ... (by RastaWolf)

by skipper123

printf() : header file not required???

in C language we make use of printf() function for standard output. from all the resources i have referenced, they say you should include <stdio.h> before using...

[1 reply] : You are using an old C-compiler that follows the C89 Standard where fu... (by vlad from moscow)

by jerwolfenstien

How would i go about doing this? I am new to C++ and taking a class for it, and just want to see what this might look like.

What would a code segment look like that defines a class definition for student, also including two properties and two methods. And a reason to why there is a p...

[1 reply] : class student { // members, usually left private public: Type f... (by ToniAz)

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Beginners - August 2012