General C++ Programming - C++ Forum

Hi would you kindly help me with the following program. i want this program to calculate the correct result at bottom. #include <iostream> using namespac...

[2 replies] Last: if (numDaysPerWeek >= 0 && numDaysPerWeek >= 8) cout <<"Enter 0, 1, ... (by cppman)

by eker676

My program doesnt like command line variables

I have a program that is supposed to take user input for the command line but my program isnt working correctly. Here is the code int main(int argc, char* arg...

[11 replies] Last: Okay thankyou. (by eker676)

by jobuny

Verifty that a valid email address entered?

I'm working on a school project and it's driving me nuts. The program requires taht a user enteres their email address, name, age etc..... the part I'm having a...

[6 replies] Last: Just for info: std::string has an implicit conversion constructor taki... (by DrDogg)

by paragdhungana

Dynamic Memory Allocation for Multi Dimensional array

I want to create a multi-dimensional array in runtime in as simple way as possible. so, i tried the following way... int *rows; //then i can always create ...

[2 replies] Last: thank you grey wolf. actually i posted it there... and later thought,... (by paragdhungana)

by Severance

File Decryption Help

Hey I'm working on decrypting some files that were encrypted with basic encryption for a school project. For the first file, it was a text file and all I di...

[1 reply] : 81, you say? 127 - 81 = 46, well within the boundaries for normal ASCI... (by rpgfan3233)

by yangyy

Help on incomplete type

I have two classes... for example, class a and class b. for class b, i have to write a overloading input operator and I must have a class a member variable in c...

[2 replies] Last: Is class|struct A defined? If not, you can do a quick thing here: ... (by rpgfan3233)

by amit2483

need help on exception handling

i have implemented a try...catch block in a C++ program. the compiler identifies 'try' and 'catch' as keywords but the program shows error on compilation. her...

[12 replies] Last: satm2008: Returning int from main is not standard in C++. (See stan... (by DrDogg)

by moonshadow9988

Obataining variable from other source

I have 3 c++ sources in my project, and am wondering how to obtain a globally declared array from another c++ file.

[1 reply] : Read up on the extern keyword. This extern keyword is used to spec... (by closed account z05DSL3A)

by velaphi

Please Help

i want this program at end to calculate the number of votes per each character and the totals, i am totally lost please help... #include <iostream> using...

[1 reply] : Just create variables to hold each total, then increment in the approp... (by firedraco)

by baratreligion

Getting very confused

Hey guys, i've got a problem and the more i think about it the more i get confused. I have a program that adds ramdomly generated values of details about hills,...

[1 reply] : Since you are dealing with a relativly small number of data items (40)... (by Faldrax)

by ftmthy412

quick timer question

Hey all I'm writing a simple app that will turn off my computer after a user-defined time has passed. How do I use a timer in C++ (with minutes or hours, not...

[1 reply] : If you are using MFC, then use normal settimer, if you are not using... (by guruplus)

by nezi

problem in calculating size of derived classes

class base { private : int b; }; class derived : public base { private : int j; }; void main() { cout<<endl<<sizeof(derived)<<end...

[2 replies] Last: okay,thank you.I got it. (by nezi)

by nezi

constructor problem

Why is the order of calling constructors governed by the order of class declaration?

[3 replies] Last: Okay, It’s probably a bit of a flippant answer, but if you have to c... (by closed account z05DSL3A)

by rickszyr

Help new in c++

Guys, I have the following problem: i ask the user (through the console) to enter a string. The length is unknown, and it may contain blank spaces. The probl...

[3 replies] Last: My bad, I thought I had followed the link to string string page from t... (by closed account z05DSL3A)

by detorresrc

ERROR SEGMENTION FAULT..

#ifdef WIN32 #include <windows.h> #endif #include <iostream.h> #include <stdio.h> #include <mysql.h> #define HOST "localhost" #define USER "root" ...

[no replies]

by bobsort

Problem with string in struct

I have a simple program that should sort an array of structs. I'm using two compilers Visual Studio and Dev-C++. in Visual Studio the program runs and wor...

[no replies]

by petko10

Graphics in c++

Hello to all , I've recently moved to c++ (actually I'm still nowhere but thats a different topic ) . I have a lot of programs in QBasic and I've reached quite...

[10 replies] Last: senatin, sorry it tool me long to reply, was out for a while, had t... (by jdstufu)

by VenomousNinja

Square Root Question

Okay, I'm attempting to make a program that finds the square root of a target number. I know how to find square roots by hand, but the problem is: How do I get ...

[2 replies] Last: I agree with msram. You use numerical methods to make your computer so... (by jdstufu)

by Repentinus

Defining new datatype

template <int N> struct A { unsigned a: N; }; How I can use union with this template so that A can be signed and unsigned at the same time? It wou...

[no replies]

by yun4

[C++] getting multiple arguments

Hi, i'm creating a c++ program that needs to take in multiple arguments. the arguments are 2 doubles and a string (double double string) but it gets worst, i ne...

[no replies]

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General C++ Programming - April 2008 (Page 6)