51,593 Topics
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| | Hello, I am writing a program in C++ to open a web page in a browser using command line. Suppose, I enter open [url]www.google.com[/url] It should open Google's home page in a browser. I want to make this program multithreaded so a user can open as many web pages as … |
| | What is a seed in c++? "Call a function to populate the array to perform the following: Ask the user for a [I]seed[/I]"  |
| | hi everyone. i need to find all possible paths for directed graph with dynamic programming. let me clarify. i have a path from 1 to n and this is a straight line. every line has a value. i need a way where the cost is smallest. i take inputs as … |
| | Can anyone tell what is wrong in the below program.I want to ping an ip address which is entered by the user. [CODE]#include <iostream> using namespace std; int main() { char ip1[30]; cout<<"Enter the Ip Address"; cin>>ip1; system("ping ip1"); return 0; }[/CODE]  |
| | basically i have 4 files 2 contain the following data . Trying to find out data which is common and not common in both files and write it out to files common and not common. It almost works except for it doesn't compare the last item in the list before … |
| | Hello I'm trying to copy a variable from a vector into an array (with a few steps in between) As you can see from the code, I take a random piece of equipment from the vector of equipments and insert it into the inventory (which is an array). The line … |
 | Okay, I'm making a game, and I need to use random inside a class, however I can't figure out how to seed the randomness into the class, so atm I'm getting the same random each time. I've tried stuff like srand(time) in main, however, that doesn't apply to the class, … |
| | I have to write a program that converts Fahrenheit from 0 to 212 to floating-point Celsius with 3 digit of precision. The output should be printed in two right-justified columns of 10 characters each and the Celsius should be preceded by sign for both positive and negative values. please help … |
| | is there anyone who is kind enough to share a program code "Inventory System with database "f.stream"".. just a simple program! with add, delete and search!  |
| | hi, i have a task i dont understand, im working with C++ Borland 6. my task is to create array ,which will read text from .txt file (any text,with any number of words). What is important i need to count those letters by rating them, and then range (counted letters) … |
| | Question- Write a function that displays at the left margin of the screen a solid square of asterisks whose side is specified in integer parameter side. For example, if side is 4, the function displays: Sample Screen Display **** **** **** **** i have come this far but i get … |
| | struct date{ int y; int m; int d; long int calculate_date(/*struct variable */) { //.... } }; void main () {/*here how to call function and define struct var*/ } |
| | Project 1 Leap year calculation (Leap year is a year that has 366 days, a year that has 365 days is not a leap year) Write a program that will accept a positive integer ( the year to be tested) from a user. If the user inputs a 0 or … |
| | Hi, I have the following examplde code. [CODE=C++] // TestProject.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include "TestProject.h" #include <iostream> #include <vector> #include <windows.h> #define UNICODDE using namespace std; int main(void) { CString test; std::vector<std::vector<CString> > your2darray; std::vector<CString> row; row.push_back("col 1.1"); row.push_back("col 1.2"); row.push_back("col …  |
| | hi i have created a code to merge two char arrays for assignment plz can u guide me is it ok.how much marks can i get 4 it out of 20. [CODE]#include <iostream> using namespace std; //declaring the functions void merge(char[],int, char[], int,char[],int); void sort(char[] ,int); void display(char[],int); main() { … |
| | I keep getting an error when using option 2. Could someone please point me in the right direction. [CODE]#include <iostream> using namespace std; int num; int Size; int choice; int *currentArray = 0; int *tempArray = 0; int index, oldSize, newSize; struct nodeType { int info; nodeType *Link; }; nodeType … |
| | Can anyone help me i dont understand this at all! |
 | Hi there ! How r u? Ohh I really need your help great programmers ... I am new for programming and I am trying to do things by myself but here I need your help :-| I would like to draw something in C or C++ but I got no …  |
| | I am working on a programming that uses classes to complete several tasks. I have successfully created a program that reads in the opponent name, home score, and opponent score for a team's season. Now I'm trying to go back and write a method that can be used to output …  |
| | Hi! When i try to see how work the ready programms from book, it is compile, run, and closes window right away. How stopped prog after it finished to see and analyse all? Thanks a lot. I have Vista, Dev C++ 4.9.9.2 |
| | I have written a daemon in CPP that listens to the serial port and alters a mysql database when necessary. This works fine, but now I need to communicate to the daemon after it has been started. There is an event that happens on average at most once a week … |
| | Here is the problem: Write a program that displays the name of each month in a year and its rainfall amount, sorted in order of rainfall from highest to lowest. The program should use an array of structures, where each structure holds the name of a month and its rainfall … |
 | hi...i'm trying to improve a simple program that i made... this is a cash receipt program... to avoid the program form crashing,i insert a code of cin.fail() which will determine wether the data type the user entered is correct or not... if the data type is wrong that the program …  |
| | Hi i need help on my assignment what i have to do is Enter data into a 5 X 7 array. The example i have is Please enter the numbers in the first row: 1234567 Please enter the numbers in the second row: 1234567 Please enter the numbers in the …  |
| | How can my "Player" class access a function of my "Map" class? The place I want it in is commented. Thanks. [code] #include <iostream> #include <string> using namespace std; class Map { public: Map(); ~Map(); void Map::print(); int Map::sendroom(int x_coord, int y_coord); private: int i; int p; int w; static … |
| | banking system : -all the bank accout can be created, accessed,and clossed later. -three type of account:current,saving,fixed deposit. -each custormer can open more than one type of accounts. -The transactions are deposit, withdraw, and view balance -the account created with a deposit and creation date. -After that money can be … |
| | heya couple errors in this code, not really sure what to do... line 30 expected constructor, destructor, or type conversion before '(' token line 30 expected `,' or `;' before '(' token line 32 expected constructor, destructor, or type conversion before '<<' token line 32 expected `,' or `;' before … |
| | Is there a possible way I can connect the WNDCLASSEX to the class in Gtk::WIndow??! because I'm working on tray icon of gtkmm program for Windows. I already have a TrayIcon using this : [CODE]Shell_NotifyIcon(NIM_ADD, &g_notifyIconData);[/CODE] But there is no function, it only display an icon it doesn't go in … |
| | Hi Guys, Take a look at the following code snippet: [code] <%@ Page Language="C#" ContentType="text/html" ResponseEncoding="UTF-8" %> <html xmlns="http://www.w3.org/1999/xhtml"> <body> <script runat="server"> void Page_Load() { Response.Write("This is a test"); } </script> </body> </html> [/code] It outputs the following: [code] This is a test <html xmlns="http://www.w3.org/1999/xhtml"> <body> </body> </html> [/code] (note … |
| | heya i get these two errors before i compile... line 23 expected primary-expression before "else" line 23 expected `;' before "else" [CODE]int count = 0;for (count = 0; count <= 10 ; count ++) { for (count = 0; count <= 10 ; count ++) { cout <<"\n\n\n\n"; cout <<"Please … |
| | Hey, I have a file of RGB values, seperated by : just so they count as a single line. I'm importing these into a string vector and sorting these so they come out sorted from 0:0:0 to 99:99:99. [CODE] vector<string> sV; ifstream in("Images\\Stage1RBGList.txt", std::ios::binary); string word; cout << "Starting Compression..." … |
| | Can anyone tell me what is wrong with this code? #include <iostream> #define MATRIX_DIMENSION 4 int main(int nArgs, char** pArgs) { int nDim = MATRIX_DIMENSION; double fMatr[MATRIX_DIMENSION*MATRIX_DIMENSION] = { 1.0, 2.0, -1.0, -2.0, 1.0, 3.0, -1.0, -2.0, 2.0, 1.0, 1.0, 1.0, 3.0, 1.0, 2.0, 1.0, }; double fVec[MATRIX_DIMENSION] = {-6.0, … |
| | Hi guys, I am creating a monopoly game for C++ and i am trying to use an array of spaces to display the game board but everytime i try to run it, it wont work..i realize my code is probably awful, but its what i have. any help is appreciated.. … |
| | I am trying to get a handle on two things: building strings, and reading a file. I am trying to write a function that will pull a line from a file and put it into a string. I want to use it in a loop, so I am having the … |
| | It just crashes out. [CODE]{ int i,j; ifstream input; input.open("carpark.txt"); { for (i=0;i<j;++i) { input >> employee[i].spotnumber; input >> employee[i].driver_name; input >> employee[i].car_reg; } while (!input.eof()) j++; } }[/CODE] |
| | Hi all, I would like to ask you all for some help. I need to write a program that allows me to have a circle radius as input and then print out the diameter, circumference and area of that circle. Easy task but i have to put the calculations in … |
| | Hi working on this lab, and theres mistakes were i know im not writing the code correctly but i am trying, really am. If anyone couuld help me out with these errors, or notice were i am writing incorrectly can you post correct way. thank you.. Description: Create a program … |
| | ok it almosts works, the program stops when i enter the first at_BAT AND then hits and wont loop to get the neext persons at bat and hits. error: 36 no matching function for call to `toupper(std::string&)' ok here is ther part that isnt working... for (int i = 0; … |
| | Q. Using recursion, write [B]a[/B] C++ function into [B]b[/B] to convert an arbitrary integer n>=0 into binary. Call this function in the main program with the argument n (That's an easy part I can do that). In example; input n=27, output 11011. If anyone can help me with this question, … |
| | hi how to make function to find if matrix is symmetric or not in c++ ?? matrix could have any size from 1X1 to 10X10. i use programe borland c++  |
| | How you got any examples of programs which communicates by PS/2 ports to mouse etc ? |
| | I need help coding a npc interaction using a gui including buttons and an exit option. |
| | this is the error i'm getting. g++ main.cpp g++ universityperson.cpp /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../crt1.o(.text+0x18): In function `_start': : undefined reference to `main' collect2: ld returned 1 exit status make: *** [universityperson.o] Error 1 I'm not going to post all the code i have but here is my makefile main file and universityperson files … |
| | I'm making this snake game, and I've created a class to handle the snakes (players and AI snakes), this works out quite well, however, at the moment I'm declaring my main snake (player 1), as global, in terms of: [CODE] class Snake { //... Lots and lots of code. } … |
| | My program dynamically allocates memory to an array of objects : [CODE] class particle { public: int x[D],shifted,ID; particle() { shifted=0; ID=-1; } }; // Array of all the particles particle* particles; int main() { for(a=0;a<s_num;a++) { particles= new particle[num]; //some code ........ ........ for(i=num-1;i>=0;i--) { delete (particles+i); } } … |
| | plz send me a passward protect code in c++ (visual stodio) if i inter name and looking like ****  |
| | Hello, I have written the same code in c# and i seem to have any problems? I use 'procexp.exe' to check the performance. In the case of 'c++' the VM (Virtual Memory) and PM (Physical Memory) becomes larger every minute. There is also an I/O block with a lot of … |
| | Hi all, I have a following code below, where I generate a matrix and lots of data, and finally I print out that data into one .dat file. Now I would like to share these data into many files, e.g. 4 .dat files in a continual way. To see what … |
| | Hello Let me describe the problem: I've got 1 base class item which is inherited by a few other subclasses. Everything goes well until I put an object from a subclass into an array of items I lose the specific data of the subclass. I think I need something of … |
| | I have created a procedure, exitFailure() that is invoked if a file doesn't exist: [CODE] int exitFailure() {//start exitFailure() printf("Failure, hit any key to exit and press enter.\n"); scanf("%d", &counterx); return 1; }//end exitFailure() [/CODE] Below is the snippit of code that invokes exitFailure() [CODE] inFile.open(inputFilename, ios::in); if (!inFile) { …  |
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