General C++ Programming - C++ Forum

Hello all, i need with my assignment please!!!

Hello, i need HELP with this assignment please if anyone has done it or knows how to do it PLEASE HELP, i know nothing bout C++ been doing it for only 2 months....

[15 replies] Last: MSDN is usually pretty good for finding what you want. I've always fou... (by Mythios)

by rachitagrawal

Fastest way to write a file

I have a file to be written: So to minimize the number of system calls to write(), I am dumping my lines into stringstream ss and then after n lines I am dum...

[13 replies] Last: Oh! You were expecting i%2 to be written as it binary representation? ... (by helios)

by shenh

How to change current directory in c++

I am using VC++, and need to run an exe file in another directory A. I assume i need to change my directory to directory A to run the exe. Since this exe reads ...

[1 reply] : The CreateProcess () function allows you to specify the working direc... (by Duthomhas)

by zachtastic

class error

i have a small stupid error in my default constructor that i cannot figure out what it is GuessingGame.cpp:5: error: expected `)' before "tree" GuessingGame.c...

[1 reply] : Looks like the type "BinaryTree" is unknown. Perhaps a missing include... (by TheBear)

by chevyvan76

how to change number to *symbol??

im new to C++, for a class i have to create a program where the user enters a number between 1and50, and then outputs * in values up to that number ex: user en...

[5 replies] Last: im starting to understand the concept of a loop in a loop but i havent... (by chevyvan76)

by coolrox86

Receiving data from serial port?

Hi everyone! I'm a new member here. First of all I would like to address my problem on C++ programming in serial communication. My program is expected to rec...

[no replies]

by yapic2

Cannot define the Default Constructor

I need help defining the default constructor for this following block of code. It's a list object that contains a linked list of coffeehouses, rated in two cate...

[5 replies] Last: cafe * const find(const char * const name) const; // Returns a ... (by jsmith)

by agoswami

about dynamic casting

#include<iostream> using namespace std; class base { public: virtual void fun() { cout<<" base ::fun()"<<endl; } }; class der...

[4 replies] Last: Nothing i was going through the dynamic_cast topic and want to underst... (by agoswami)

by stavros

double free or corruption error

In the Headerfile I declare: static const int BT=37,WE=345,SN=264; int i; double *data_array ; In the Implementation File: //Const...

[7 replies] Last: THANK YOU! You guys are always so helpful- for those of you reading th... (by stavros)

by TheBear

Testing a multi threaded C++ application

Hi all, here's another thing making me think. I have designed a framework, which needs testing. So far, i have used UnitTest++ , the best C++ unit testing fr...

[1 reply] : Ahoi, i have found valgrind, the subtool drd does what i want. It i... (by TheBear)

by greek87

Newbie: Boost Signal question

I’m working through the excellent Boost Online course that can be found here. http://en.highscore.de/cpp/boost/ I’m looking at the event handling chapte...

[no replies]

by ehsanelotfy

diagnosing input

when i type( 2 3 ) how can c++ read both of them and use them

[1 reply] : operator >> ? (by Bazzy)

by starter2010

Download file from https server using sockets

Hi, I have written the code for downloading a file from a https server using sockets in C++(Unix). However the file is only partially downloaded and the proble...

[4 replies] Last: Try to find your problem in line 11. (by imi)

by minix

MultiThreaded client server sample source code

Hi, Do anybody know any website, from where i can get a multithreaded client server sample source code in C++. Thanks a lot in advance. Andy

[1 reply] : http://tinyurl.com/25ggfuc Click on any link but the first one on t... (by Skillless)

by KarlisRepsons

Against own preprocessor flags

Hi there, I was reading one person's 10 tips for portable C code and the fourth states: Use Only Built In #ifdef Compiler Flags, Do Not Invent Your Own I g...

[2 replies] Last: I was wrong in writing "compiler flags", actually "preprocessor flags"... (by KarlisRepsons)

by danep

Improving a factory function

Hi all! This is my first time posting but this site has already been an invaluable resource- thanks for that! I have a factory function that goes something l...

[17 replies] Last: This is probably nothing like you need. But another way would be havin... (by Mythios)

by iplus91

Slicing Problem

How can I use virtual functions and pointers to solve a slicing problem? Thank you

[1 reply] : http://www.cplusplus.com/forum/articles/18757/ (by jsmith)

by teddymok

Count Frequency

This program will generate random number from 1 to 100. It depends on how many number you would like to generate. You can enter 500, then it will generate 500 r...

[2 replies] Last: Where I should add that part? In int main() ? or i should make another... (by teddymok)

by closed account y8h7M4Gy

getCurrentDirectory issue..

Hello... I tried using getCurrentDirectory to load a sub folder of my program... but it just says app.cpp: In function ‘bool load_files()’: app.cp...

[4 replies] Last: thx but i got it! (by closed account y8h7M4Gy)

by ischuldt

forwarding and address

I have a function which is over loaded like this: void clear(string * var); void clear(int * var); In my program I call the function like this: ...

[4 replies] Last: You can do this with boost::variant, however I don't know your level o... (by jsmith)

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General C++ Programming - April 2010 (Page 8)