General C++ Programming - C++ Forum

heeey everyone...i got one question. ok, if you have a table with 2 columns and a number of rows... in the first column there are some repeated numbers in it. n...

[1 reply] : You could use 2 arrays e.g. int a ={2,1,1,5,2,7,4,4,8,3}; ... (by buffbill)

by treyk4

libpng read from array?

Hey all, I'm a bit new to C. I'm currently working on a graphics rendering library for the wii, and I've run into a bit of trouble with libpng. All the docum...

[2 replies] Last: (a) This is a C++ forum. If you think that C and C++ have something i... (by treyk4)

by enet

Need for 1 function

Can any one help to define ??? part in my data structure project? thanks. .... ... struct Customer{ int tckimlikno; // customer identity number ...

[1 reply] : If the order in the activity list doesn't matter, then you have the ch... (by mahlerfive)

by tnjones

How to read filenames from a vector and open them

Hello, I am trying to write a program that stores all of the names of textfiles in a current directory in a vector,once having the filenames I need to open eac...

[2 replies] Last: Thanks!! It worked!! You are the greatest!! I have been seeing alot of... (by tnjones)

by tnjones

How to search for a string in a text file using wildcards(*,?)

Hey, I am trying to write a program that reads a textfile and displays all valid e-mail address(tj@yahoo.com or tn.hall@auburn.edu) that are in the textfile.At...

[8 replies] Last: Duoas, Thanks!! I have it working somewhat!!! (by tnjones)

by Beni

2d array and scanf() problem

Hi! I've two source code, the difference between the codes is the 2d array size. My question is simple: Why causes runtime error the first code and why runn...

[3 replies] Last: No, that is where you are mixed up. t == *(t+i) : is not an addr... (by Duthomhas)

by Gregor

File operation problem using fstream

Hey, I'm writing a simple program that will mask a string of bytes - a file - with another string of bytes using xor. I've wrote about 600 lines of code, quite ...

[2 replies] Last: Update! I've noticed that writing sucseeds, if I dont use truncate ... (by Gregor)

by shrinath

STL list <unsigned short> and ostream

Hi I have a following class: /////////////////Data.h class Data { public: ... friend ostream& operator<< (ostream& out, const Data& rData); ...

[2 replies] Last: Hi exception, It (ostream) now works. Also changing the iterator ... (by shrinath)

by ShawnStovall

The keyword abstract

I was just wondering if it would be correct for me to use the abstract keyword which seems to be specific to Visual Studio. From what I have found I can use th...

[4 replies] Last: Oh dear. Another spam post... (by markwales)

by Gonen

Question about string

Hello , I am doing a program now , and I got a string like that. string s="123\n~~~\n456\n~~~\n789\n~~~"; I want to do that if the user will insert 45...

[6 replies] Last: Hi, I am Rammohan from Bangalore and working as a Technical lea... (by FindSyntax)

by hellocplusplus

3rd party C++ Library for PDF conversion

hi guys, Can someone suggest me any 3rd pary C++ library , which will convert text files( MSWord , MSExcell and normal *.txt file ) to PDF file. please he...

[2 replies] Last: Hi, I am Rammohan from Bangalore and working as a Technical lea... (by FindSyntax)

by jenritz2k3

may i ask whats wrong with my if statement?

#include <iostream.h> #include <stdlib.h> main() { char name ; double sales,com; //com is commission cout<<"\n Input name and sales " ; cin>>name...

[6 replies] Last: Oh my god, what the hack should that be? It isn't april the 1st on my ... (by exception)

by Gonen

Very weird problem about string.

Hello , I wrote this code #include <iostream> #include <fstream> #include <string> using namespace std; int main() { string str="HelloW...

[3 replies] Last: thanks a lot duoas , I understand it now... I did like that in it w... (by Gonen)

by astro

Finding memory address.

Greetings mortals. what i am about to ask might sound a Like its been asked before, but its not... i need to change the value of a memory address. say t...

[no replies]

by Samerious

Menu

Which section shows how to do a menu?

[3 replies] Last: Then by reading the Basic I/O you will find how to output at the conso... (by Mitsakos)

by KeithMoyer

find_if + member function

Hi, What I'd like to do is iterate over a list of objects, checking the return value of a member function for a particular value. Some groundwork: #incl...

[8 replies] Last: Actually, I had to compile and run the example before I posted it so I... (by jsmith)

by Nobun

Question about free() and memory deallocation

I'm sorry for boring you about SO MANY questions of memory allocation. Assuming I have struct C { int a, b; }; struct B { C * c; int total_...

[16 replies] Last: Helios, Jsmith... at a first-eye I'm not sure I understand all you sai... (by Nobun)

by akmal4ik

How convert string to char*

Hi! I can't convert string to char*. This is my code. string temp; cout<<" Enter your name: "; cin>>temp; char * pch = (char *) malloc(sizeof(char)*(temp...

[3 replies] Last: You also need to pay some close attention to little details. You've g... (by Duthomhas)

by Alck

need assistance in oop

hi all, we need some assistance in our program. please advise question: A community centre has decided to computerize the booking of two badminton courts...

[5 replies] Last: You could assign a 6 element array for each day and enter a * for each... (by buffbill)

by cppgirl

how to reuse a previous function

Im not sure how to recall the last function i did in a new one. (LINE 7) double azimuth(struct place * a,struct place * b){ (a->lon)*(PI/180.0); (b->lon)...

[2 replies] Last: call func A() from func B() then D will be available for other purpose... (by buffbill)

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General C++ Programming - August 2008 (Page 3)