51,593 Topics
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| | Hi experts, please help me solve this problem: I compiled a program C++ by Linux gcc version 4 and the program can run perfectly in that computer. But when I run the program in another computer (Linux with gcc version 3. installed), it did not work and said: "Floating point … |
| | what is the difference between the following two approaches: [CODE]#include <iostream> using namespace std; int main(int argc, char* argv[]) { cout << "argc = " << argc << endl; for(int i = 0; i < argc; i++) cout << "argv[" << i << "] = " << argv[i] << endl; … |
| | Hi all, I have 4 '.cpp' files and 1 header files: [code] Tools.cpp Code1.cpp Code2.cpp Code3.cpp and Tools.hh [/code] Now all [code]Code1.cpp, Code2.cpp, Code3.cpp[/code] use functions stored in [code]Tools.cpp[/code]. Currently, what I do to compile all of them is using this simple shell script: [code] #!/bin/bash echo "compiling Code1.cpp"; g++ … |
| | Hey, I'm trying to compile some sample projects from the Xerces Library, but when I try to compile the code it give me this error: LNK1104: cannot open file 'xerces-c_2D.lib' What can i do to get rid of this problem? |
| | Hello, Please tell me What is an Abstract classes in C++ language? I'm waiting for your reply. Thanks In Advance |
| | I want to attempt some win32, and have looked around on Amazon, safari books online , Google etc. I have seen a few books that look promising, but does anyone have any recommendations for any win32 books that they found helpful. |
| | Hi Friends, Can anybody please give me a hint or soln. for how i can print 100! using C++ since the no. of digits are much larger and no data type can store it. |
| | I have been trying for a few days to open a .pps file (power point slide show) from within my program, I have tried the following. [code=c++] ShellExecute(NULL, "open", "\\Test.ppt", NULL, "C:\\Program Files\\Pyrosoft\\Utilities", SW_MAXIMIZE); system("start C:\\Program Files\\Pyrosoft\\Utilities\\Test.ppt"); [/code] Both methods can open .txt files, in the same folder, but not … |
| | Hello, Out of fgets() and gets() which function is safe to use and why? Thanks  |
| | I've been experimenting with GDI+ and i managed to draw 2 PNG in a button button. 1 for the normal state and one for the Clicked (down state) but when i click the button,the down state image gets draw on top of the normal state, and when i release the …  |
 | I just learned about returning a reference... and it seems to me that I can delete my mutators now? ie. [code] class foo { int A; //mutator void set_A(const int a) {A=a;} //accessor int get_A() {return A;} } int main() { foo MyFoo; int b = MyFoo.get_A(); //get MyFoo.set_A(4); //set … |
 | [I]<<snip>> [/I] Original article can be found here: [url]http://www.cs.cmu.edu/~gilpin/c++/performance.html[/url] |
 | Hello, I have coded an overloaded += operator and it is giving me trouble. basic function of the operator is to add data to dynamically allocated class array which has 3 member variables. [code=CPLUSPLUS] ie. savings[i].accountNumber; savings[i].balance; savings[i].customer; [/code] I have managed to get the first part of the function …  |
 | So as far as ive been able to tell, wxWidget basically allows for multi OS functionality and offers a few extra ways to handle things, other then that, is there a reason why you WOULD NOT want to use wxwidget? |
| | Hi I am using Visual 6 C++ and try to retrieve a member's all closed trades. i declare a string as below: char str[8000]={0}; But this declaration is ok and the program work fine if the member's record size does not exceed 8000bytes. In order to be able to retrieve … |
| | i want to solve the homework the quation of the home work the game of damca please i want it the day |
| | Hello everyone, I have been trying to get this code to work, but so far all it does is tell me : Input the order of the Matrix(Keep it Odd):3 1.11286e-307 1 0 1.11341e-308 1.11286e-307 0 0 1.11343e-308 1.11286e-307 0 0 1.11342e-308 Press any key to continue . . . …  |
| | I have a sniffer in c++ but it is working in xp32 bit , i am getting the full payload also both sending and receieving ,but in xp 64 bit computer system whenever the firewall is turned 'ON' mode the sniffer is not getting the payload of sending pakects. but … |
| | please can anyone tell me that i want to create a rectangular spiral in c++. (I use borland c++) u can show the picture  |
 | plz help and yes submit a direct link if u can and thx for advance plz hurry up i have assignment next week i have to finish it lol |
| | Do i need to declare private class member functions in header files? or just the public functions are enough? |
| | I was wondering if it was possible to call a random image in c++. I'm using Dev C++. [code=cplusplus] #include <time.h> #include <stddef.h> #include <iostream> #include <string> #include <ctime> #include <cstdlib> using namespace std; const string password("password"); int main() { string x; cout << "Type the password to gain access … |
| | Sorry,does anyone know how to play a video file in visual c++ window form application?I need to play a video file in it..but have no idea about hw to do it..Thanks.  |
| | C PROGRAMMING ASSIGNMENT 1. Express, using pseudo code, the algorithm to compute the nth root of a whole number (for example, the square root of the whole number for is 2). 2. Prepare a flow chart for the above algorithm. 3. The following has to do with the design of … |
| | This is for a class. Two of the files are provided, and I need to write the third. I'm having trouble with a constructor in a class. The constructor is called with 'Logbook testLog(month,year)' and it saves the month and year correctly. The daysInMonth function works fine. My problem is … |
| | is there have a way the stack's initial size is 0, it should still be possible to push values onto the stack. Here is my code: [code=cplusplus] class IntStack { int *p; int top; int maxlen; public: IntStack(); IntStack(int); ~IntStack(); void push(int); int pop(); void push (int a[], int array_size); … |
| | Hi i got an problem i need to read from an text file that i got from an excel file at start. so i want each block in the excel file to have one space at the array i saved it so it got seperated by ; example: [code] 4 … |
| | I'm trying to get each line of text of a file split into words and then put into an array I found an exmaple oc cpluscplus.com and their example works but when i try to edit to make changes to read the line of text from a file i get … |
| | after compiling my prog i ran it with the command time [CODE]time ./a.out[/CODE] and it gave me this output [CODE] real 0m0.844s user 0m0.172s sys 0m0.596s[/CODE] what does this output mean ? |
| | I would expect this to ouput the 5 doubles, but instead I get the output below. [code] vector<double> a(5); a.push_back(1.2); a.push_back(1.3); a.push_back(1.4); a.push_back(1.5); a.push_back(1.6); vector<double>::iterator i; i = a.begin(); while( i != a.end() ) { cout << *i << endl; i++; } [/code] [code] 0 0 0 0 0 1.2 … |
| | Hi peeps i've got an problem with space and tabs in a text file. i've build an app that reads a file and creates an array out of every line. this works just fine but then I noticed that the array is cut of after every space and/or tabular. it … |
| | Hi Guys, I'm looking for this program that i can type in about 10 letters and 10 numbers and it will generate for me all the sequences that exist in those numbers, is there such program? |
| | Hi I am completely new to C#, so please bare with me .... What I am like to do is to pass variable values between the methods below, and finally print the results in the last method. I have commented the code with explanation. This is for test purposes and …  |
| | Hey, I have a template xml file that i am passing a pointer to into a function. In that function i need to read and write into the template and pass it as the output file. What is the best way to go about reading and writing in the template? … |
 | Hey Why does the following code comply in Dev-C++ and it DOESNT in MS VS 6.0? [code=C] #include <ctype.h> #include <errno.h> #include <limits.h> #include <float.h> #include <locale.h> #include <math.h> #include <setjmp.h> #include <signal.h> #include <stdarg.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> void main() { int num; … |
| | Hi frnds, when i compile VC++ project on 32 bit machine then it wont work on 64 bit machine...can we compile the same code so that it will work on 32/64 bit machine?? someone told me abt compiler option..but i dont know abt cmd...if u know something, then plz share … |
| | Hello! Can somebody help me? I'm reading C++ for Business Programming and there is a exercise asking for a program able to write the folowing: X XXX XXXXX XXXXXXX XXXXXXXXX XXXXXXXXXXX XXX Using nested loops someone can solve this? |
| | This is my coursework. It is test a web server written in C++ code. It must be concurrent server using Posix threads. I have got skeleton server programe already given to me (Everyone gets that). That works perfectly. I am using linux to test and write the code. I need … |
| | Plz explain the advantage of using inner classes? |
| | Hello I was making a program called englishweight and it has three main components englishweight.h which is a class declaration, englishweight_def.cpp which defines the public member fucntions, and EW_driver which uses the class to calculate what to do with the englishweight and preforms very basic operations. My program works WITHOUT …  |
| | [CODE=C++]/************************************************* Student: xxxxx ID number: xxxxx Instructor: Dr. Julstrom Class: CSCI 301 Project 1 *************************************************/ #include <iostream> #include <cmath> #include <cctype> using namespace std; const int SIZE = 61; int getinput(char []); void compare(char [], char [], int, int); /************************************************* The purpose of this program is to have a user … |
 | QUESTION : 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest number that is evenly divisible by all of the numbers from 1 to 20? While trying to solve this problem, i came up … |
| | can anyone tell is there any utility like glib-mkenum for windows |
| | [code=cplusplus] #include<iostream.h> #include<conio.h> using namespace std; class Array { private: int* ptr; int size; public: Array() :ptr(0), size(0) { } Array (int s) : size(s) { ptr= new int[s]; } Array(Array&); ~Array() { delete[] ptr;} int& operator [] (int j) { return *(ptr+j); } Array& operator = (Array&); }; // … |
| | is there any disadvantages of objects as class members. If yu know plz share with me |
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 | i am using an two dimensional arrays... and i inputed five names on it.. anyone can help me on how to output the five names?? i dont need the whole program.. i just need the code... thnx... ^_^ |
| | HI friends; I am in a trouble with circular array based queues. Please help me. I want to know how to attach element in to a circular array. |
| | Write my own string class is my assignment and there have some problems i can't figure out why? here is my code: [ICODE]//this is one kind of constructor--this one i couldn't change; String::String(char ch, size_t count /* = 1 */) { memset(m_buffer,ch,count); m_length=count; }[/ICODE] [ICODE]//this is overload operator String &String::operator … |
| | I recently downloaded Microsoft Visual C++ 2008 but I am disappointed that I cannot program using IOstream. I wondered I there was a way to install an IOstream library or is there a better compiler that allows me to program in IOstream?? |
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