General C++ Programming - C++ Forum - October 2010 (Page 11)

I spent my day today playing around with a vector class I was building, attempting to convert the std::vector functions to mine as a starting point. Insert (or ...

[5 replies] Last: I mean the direction to which it points. tempVector = pVector ; Yo... (by ne555)

by natie

saving as .txt file..

Hi. Could anybody help me about how can I save the input from keyboard as a .txt file? Thanks

[2 replies] Last: oo thanks..! (by natie)

by Gindoc

C++ modeling tool

Hello everyone, I am currently coding for myself a C++ modeling tool and i have just released a beta public version (in case of someone else may find it usef...

[no replies]

by LB

operator, or comma operator?

By deafult in C++, the comma operator allows you to perform calculations where only an expression is expected: [code firstline=6]int x = 3; cout << (x += 2, x...

[2 replies] Last: The link you posted is a 404, so I don't understand your response. Als... (by LB)

by firdaus

fatal error c1004 && error C2601

/*Project Program for Hospital Database Queue array.*/ #include <iostream> #include <cstdlib> #include <fstream> #include <cstring> #include<cmath> us...

[1 reply] : Please put your code in [ code ][ /code ] tags, so we can find the lin... (by NGen)

by peeldog

General Purpose Library

I have posted a general purpose lightweight library on my website: http://peeldog.com/code/7-peellib It provides a wrapper around some commonly used OS fu...

[no replies]

by piratemcplunder

string::find double quote Problem

I can't seem to understand why the code below enters the if statement: size_t found; string after_token = "\"testing testing testing\""; found=after_tok...

[2 replies] Last: the problem was that I was erasing the entire line. I changed the l... (by piratemcplunder)

by Miky1

pair <> question

Hi there, Let's say we have the following: #include <map> #include <string> #include <vector> #include <algorithm> using namespace std; typede...

[1 reply] : I think you could define a global templated function operator<(): ... (by PanGalactic)

by rej3kt

Can't figure out why my class is failing epically.

This is my main.cpp #include <iostream> using namespace std; #include "randomclassheader.h" #include <string.h> #include <cstdlib> int main() { c...

[5 replies] Last: your first attempt worked because you use the variables you declared. ... (by coder777)

by piratemcplunder

string::find_first_not_of Problem...

I am working on a program that involves a lot of string manipulation and after many hours of beating my head against the wall I cannot seem to figure out what i...

[3 replies] Last: I love you. Thank you so much. (by piratemcplunder)

by fortis

converting a japanese string to romaji

I'm trying to write a sync program for my mp3 player but some of my mp3 files's names are in japanese and I need to convert them to romaji( the sound in english...

[5 replies] Last: the other thing i tried is using the online converter with http://www... (by kfmfe04)

by wtf

Strong vs Weak typed languages. Is it possible in c++ to point to variable type?

I want to have a data member that points to any of a number of predefined types. How is this possible? Say if I want it to point to an int I can set it to p...

[4 replies] Last: Your matrix class should not have a fixed number of rows and columns. ... (by Duthomhas)

by xander333

rand() prefers higher numbers?

So for my dad I had to make this little program test the the reliability of the function rand(). I seed it, as usual, with time. But I've always thought it woul...

[8 replies] Last: BTW, the libc's randomizer is pretty weak (that is, predicatable). You... (by Duthomhas)

by rohan1020

Operation on Unlimited Digits containing Number

Hello... I'm writing a C++ program to find the definite integration of any function. For this purpose, I need to deal with numbers having infinitely small va...

[2 replies] Last: I'd suggest writing an interface to a CAS such as Maxima or Wolfram Ma... (by helios)

by kyle11778

double display when outputting...

I have an assignment in class that asked me to write and unknown number of records(but less than 20) to a file and read it back and display it. i got this to...

[11 replies] Last: I knew something was missing!!! i couldn't find the right include to..... (by kyle11778)

by wtf

const int pointer

const int * CI; Does CI point to a const int, or is CI a const pointer that points to an int? Edit: And also in the same vein, is a "One Eyed One ...

[3 replies] Last: No, an array size must be a constant known at compile-time. (by Athar)

by dkaip

defining variables at real time

Hello. I am trying to define new variables at real time and i dont know how. for(int i=0; i<imax; i++) { string istr=int2str(i); ...

[12 replies] Last: I just open. I will try it soon as posible. Thank's very mutch for gr... (by dkaip)

by wtf

Program haulting when trying to assign element in bool array to false

matrix.h: #ifndef MATRIX_H #define MATRIX_H #include "dlist.h" #include "zlist.h" const int MAXSIZE = 4; template <class Instance_of_Type, class Ma...

[3 replies] Last: I did what you suggested and changed all of the if (digits[x-1] == tru... (by wtf)

by kfmfe04

Need suggestions for multithreading pattern

I have a chunk of memory (bunch of arrays) that's protected by a simple mutex X. Threads A and B will read and write into that memory. Periodically, thread ...

[2 replies] Last: Yes, believe it or not, spawning a bunch of threads without the need f... (by kfmfe04)

by Thoggle

array of chores

I am creating a random chore generator. There are two seperate lists of chores, 1 for weekdays and 1 for weekends. I am using a random number generator to deter...

[1 reply] : If you want to print a specific message chosen by a random number, her... (by hamsterman)

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General C++ Programming - October 2010 (Page 11)