General C++ Programming - C++ Forum

Hello! I know it may be an obvious question, but I haven't to manage an answer anywhere. How do I create a loop that starts when "b" condition is satisfied, b...

[5 replies] Last: I think what you are saying is that once condition b is satisfied, sta... (by Matt23488)

by obai

call a function with vector attributes

Hello, I want to call a function with vector attributes. I get an error concerning the declaration of the vector. how could I do it

[2 replies] Last: template <typename T> void pass_vector(vector<T>& v, const vecto... (by turbozedd)

by matrebatre

converting char to unsigned long

When I try to convert a char to an unsigned long, the unsigned long is padded with 1's instead of 0's if the char is >=128. For example: char c; unsigned l...

[3 replies] Last: They are either signed by default or it is left to the compiler. (by jsmith)

by coincollector

pointers

the program explains itself can someone prof read this for me.. #include <iostream> # include <string> #include <iomanip> using namespace std; int var1,v...

[8 replies] Last: Ok, let me modify my previous post. Syntax is: if ( condition... (by jsmith)

by mmichel2

Overloading the parenthesis operator

I'm trying to make 2d matrix-type grayscale image class whose elements can be accessed with the parenthesis operator like: Image mat; mat(2,3) = 5; int x...

[3 replies] Last: This is exactly a case where exceptions fit the bill. else throw st... (by jsmith)

by n4nature

initialization question

class Rational { // class for rational numbers public: Rational(int numerator = 0, int denominator = 1); ~Rational(); ... private: int...

[3 replies] Last: If you declare a constructor, then the compiler does not give you a de... (by jsmith)

by dubbelodub

Stuck accessing 2d Map's inner elements

I'm stuck accessing a 2D map How do I retrieve data out of the inner map? map <string, map <int, class> > myMap How do I retrieve the int and class for e...

[2 replies] Last: You just saved my life. I owe you one. (by dubbelodub)

by kobayashi

SQL SERVER

Hy, Working actually on a dll in order to learn how to use sql server i found a good tutorial about this subject http://www.codersource.net/c++_ado_stored_...

[9 replies] Last: Thank you again for your help. I deleted stdafx.cpp and stdafx.h and c... (by kobayashi)

by jenritz2k3

Fifo problems any tips c++ masters?

here is the program pls help me figure out what is missing? thanks in advance.. #include <iostream.h> #include<conio.h> #include<string.h> int ctr, sw...

[1 reply] : conio.h is non-standard in c++... (by outsid3r)

by brokenarrow

Processing a Log File

Hi All, I am a newbie in C++. Lately I want to write a program to process the Logs which are in the following format ----some unwanted line...

[3 replies] Last: i have write it for you, it outputs in console the lines you wanted. ... (by outsid3r)

by freakytb

Save code??

I am making a text based rpg game but since its so big I need a way to make the game save all the data of the user and be able to load it when the person wishes...

[3 replies] Last: You need to evaluate the persistent data that you need to maintain al... (by outsid3r)

by RespeckKnuckles

Very large numbers

I've got a problem where I need to read in from cin a positive decimal number that represents a value from 0 to 2^100. I then have to do some logic to it and sp...

[1 reply] : You don't need to split anything, you just have to use cientific notat... (by outsid3r)

by kakashi316

array question

Im supposed to use an one dimensional array to solve the following problem: -read 20 numbers between 10 and 100 inclusive -after you read a number validate ...

[3 replies] Last: @greg022549 As you aren't the 1 st person with this problem, I've cr... (by Bazzy)

by RespeckKnuckles

Programming contest problem

Hey guys, I'm trying to solve what seems like a simple problem: http://acmicpc-live-archive.uva.es/nuevoportal/data/problem.php?p=4168 and just so you know,...

[1 reply] : Sorry don't have your answer but is there a section on the website say... (by translore)

by masiht

how to add .h file into project ? (1,2)

can anyone plesae tell me how to add .h file into programs ?

[21 replies] Last: then you have created a wrong project.. it should be a console applic... (by writetonsharma)

by f ben isaac

How Can I Add '\0' in char *msg = "Hello World"?

char *here = "hello there whats up"; //&here = '\0'; this does not work! 20 is the position after p cout<<here<<" ****"<<endl; cout<<&here <<" **test**"<<e...

[6 replies] Last: when you declare and initialize the pointer same time the string is co... (by writetonsharma)

by tlittle

If statement wont seem to work

I am trying to get the user to enter an m for male or f for female and then store it into friend_sex then run that character through an if statement which will ...

[2 replies] Last: Alright it worked. thank you very much for your help. (by tlittle)

by TheNoobie

FastestPathPossible Function

I want to build an INI file that has all 50 states and their connecting states, such as... [North Carolina] Connecting_States=4 ConnectingState1=Virginia ...

[2 replies] Last: You would have to have an altogether very complex function. You would ... (by eker676)

by olove5

Can some one see the compiled error

fatal error C1071: unexpected end of file found in comment Pruexamprogram1.cpp fatal error C1071: unexpected end of file found in comment Generating Code...

[2 replies] Last: obviously not using syntax highlighting :-) (by guestgulkan)

by n4nature

operators for type conversion

class String { public: String(const char *value); // see Item 11 for pos- ~String(); // sible implementations; ...

[6 replies] Last: That helps. Thanks. (by n4nature)

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General C++ Programming - March 2009 (Page 8)