19,876 Topics
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| | [CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> //typedef struct to define what's in the phonebook typedef struct PhoneBookContacts { char Name[20]; char Surname[20]; char PhoneNumber[20]; } phone; //Function prototypes void AddEntry (phone[]); void DeleteEntry (phone[]); void PrintEntry (phone[]); void Sort (phone[]); int counter = 0; //Global counter variable used to keep … |
| | Hi All, I am trying to convert the following C++ code to C#. pExportDir = (PIMAGE_EXPORT_DIRECTORY)GetPtrFromRVA(exportsStartRVA, pNTHeader, pImageBase); [CODE]template <class T> LPVOID GetPtrFromRVA( DWORD rva, T* pNTHeader, PBYTE imageBase ) // 'T' = PIMAGE_NT_HEADERS { PIMAGE_SECTION_HEADER pSectionHdr; INT delta; INT delta2; pSectionHdr = GetEnclosingSectionHeader( rva, pNTHeader ); if ( !pSectionHdr … |
 | I am getting ready to write a programming competition on Tuesday (the Canadian Computing Competition) and I remember that last year it said that only standard libraries can be used. I was having trouble deciding which libraries are standard. I ended up using windows.h and when I suddenly realized that … |
| | Hi Guys, I have an issue with my program. I am trying to implement bitonic sort parallel algorithm using MPI. The issue is like i am able to sort upto 1000000 array elements.. but, if i increase it to 10000000 or 100000000 the processors are not able to handle it. … |
| | I am currently working on implementing an operating system in turbo c which uses c as the programming language. For this project we must implement pagination. I have absolutely no idea how to do this in c and most web results are for web pages using mySQL or java or …  |
| | Hello all this is my c++ web server that i can get working on my computer but not connecting to others for some reason. I am not on a router, just using my external ip address. If i run the server and type my external ip address into my browser … |
| | I've to write a program which gets a colour from user.Users will enter the colour's name if the colours is exist in my string,program will give a msg.If it doesn't exist give an error msg and stop program.I've already write a code but it doesnt works accurately. [CODE]int i,j; void … |
| | Hi I have an old inherited file with c code (visual studio 6). I compiled this file in Visual C++ 2010 (I made an empty project and a win32 console application) and was OK. But when I did the build to make the .exe then the linker throws errors. I … |
| | hello friends, I am reading multidimensional arrays but i am not getting understand. anyone know please help me in detail. thanks, |
| | create the bank account task using structure and Files concept in c.  |
| | Alright guys, I've been trying to think how to do this and I keep confusing myself. It's part of a project using piping in UNIX but first I need to get this small program running properly. I want to pass the final result (Hex value) to another program that will … |
| | Is it possible to open an text file of any .exe extension software and read those characters into an array :?:  |
 | [code] #include<stdio.h> main() { int a=1; switch(a) { case isdigit('1'):printf("Hello"); } }[/code] This code works fine Hello is printed [code] #include<stdio.h> main() { int a=1; switch(a) { case isalpha('a'):printf("Hello"); } }[/code] But this code gives an error It says case label does not reduce to an integer |
| | I am trying to create an if statement that when the user releases the left mouse button it will write that out to a text file. I have tried multiple different scenario's and have had no luck, here is some of what I have tried. Thanks for your help! [CODE]if(mouse_event … |
| | hello everybody [CODE]void func1(){ // do something //exit the function if some error occurs (like segmentation fault) but continue running the rest of the program } void func2(){ //do something //exit the function if some error occurs (like segmentation fault) but continue running the rest of the program } int …  |
 | OK, I am relatively new to C#, so in order to give myself a 'learning' project, I thought I'd update an application I wrote a couple of years ago. The application uses a ListView control in "Details" mode to display MP3 tag data stored in an Access MDB database file. …  |
| | what does i##j mean in macro definition of a program |
| | [CODE]#include <stdio.h> #include <stdlib.h> int add(int i, int j , int k) { while ( i != 0) { j = i % 10; k = k * j; i = i / 10; } return k; } int main () { int num, num2=1, r; int ret=1; int i=0; … |
| | I will love to be a good programmer, but how do i go by it.  |
| | Can you help me for the following problem: Implementation of a program in C that solves the problem of competition between the four processes that share the source of the network card with the semaphore method |
| | Hey, I am having trouble implementing a c++ function that will allow the user to enter a lower and upper bounds and reverse everything in a char[] in between the bounds, so if array is, char[] = {'A','B','C','D','E'}; and the user input was 1 and 4 for 1 as the … |
 | Hi, I noticed many programmers accuse C++ as very hard language for GUI and very good language for the code. Is there any way to integrate 2 languages, C++ and any other language which is easy to make GUI with? Thanks.  |
| | Hi, I've been trying to learn what pointers are and how they function, and I now finally understand most of it. However, I don't understand the assignment of strings to a char *, and what the values they have mean. I wrote a small program to learn: [CODE]#include <stdio.h> #include … |
| | I am working to take c code from an academic paper and edit. I am studying cryptographic algorithms. I have ran the following code, but I am having a little difficulty understanding two things. First, the program uses unsigned long ints. When they are added or subtracted, I don't get … |
| | Hello! I have a problem. I can't use scanf() to set a value of the second member of the person struct. Why? I get an error that tells me "bad access". [CODE]int main(int argc, const char * argv[]) { struct Adress{ char *street; char *postal; int zip; }; struct Person{ … |
| | [CODE]#include<stdio.h> //#include<conio.h> //#include<string.h> #include<string.h> //#include<iostream.h> int main() { char al[28],b[104]; int i=0; int t,k=0; // b[0]='A'; scanf("%d\n",&t); while(t--) { // scanf("%s",b); gets(b); gets(al); //gets(al); //printf("%s",b); //puts(al); // scanf("%s",al); // for(k=0;c1!='\n';k++) // { // scanf("%c",&c1); // // b[k]=c1; // cin>>c1; // b[k]=c1; // } // printf("hello"); // puts(b); // gets(b); // … |
| | Hello...just started learning C and i'm trying to write a program that solves quadratic equations...but every time i compile and run it and enter the 3 variables it crashes. I kept on looking but didn't find anything wrong with it...help? :P [CODE]#include <stdio.h> main(){ int a,b,c; float x1,x2; printf("Please enter … |
| | We are using C# as front End and Sqlserver 2005 as backend.We are using visual studio 2008. System.data.sqlclient is the provider for sqlserver in our localhost and our functionality is running correctly. But we are using bigrock as hostgator, where we uploaded our files and we get to know that … |
| | Hi Programmers, Please help me, i was wondering on how to create a simple phone book program using struct array to insert a new contact, update an existing contact, delete an existing contact and to display the contact information |
| | I have a C-code written in turbo C. I want to make a standard exe file that can easily run on any other PC as well which doesn't have TC installed. I have to provide my client simply an exe file which continuously monitors the serial com port for some … |
| | I read through all previous post regarding quicksort on a linked list. The trouble I am having is using a random element, it seems all the other post are using the first or middle element where I want to use a random element for the pivot. in anycase here is … |
| | I need to sort a series of 25 numbers, entered by the user from smallest to largest, then count the number of times the user entered the number "10". I can't use arrays and I have to use only for loops, can someone please help? |
| | I've been trying to figure out whats wrong here, but I just can't wrap my head around it. My compiler outputs the following when I attempt to compile it. [CODE] z:\Desktop\tmp\proj4>cl proj4_linkedlist.c Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 Copyright (C) Microsoft Corporation. All rights reserved. proj4_linkedlist.c … |
| | Please hep me with this problem: I am having a problem with string handling using c language. This is actually an assignment. Here's how the whole program must work: 1. User must input a [B]valid password[/B] 2. Once the user inputted a valid password, it will access to an employee's … |
| | I need help fixing this one error with my code. Below Im going to upload a piece of the code which im having problems with and the output error . [CODE]int main() { int vals[100]; fstream file; string line = "----------------------------------------------------\n"; string msg2 = " Please select an option from … |
| | Recently I started learning c and was experimenting with arrays and passing them between functions. Now I have written a simple piece of code which has two functions one for generating random numbers and putting them in an array of size 50 and one function to display the contents of … |
| | [CODE]#include<stdio.h> #include<conio.h> int main(){ float Area; float r,h; #define pi 3.41; printf("enter the radius of the circle in centimeters\n"); scanf("%f",&r); printf("enter the height of the cilinder in centimeters\n"); scanf("%f",&h); Area=(pi*r*r)+(pi*r*h); printf("THE AREA OF THE CILINDER IS:%f",&Area); return 0; getch(); } [/CODE]  |
| | how can i go back to the previous line if user enters a wrong input, im using C programming |
| | So this program is supposed to take in a sentence and output it with correct spacing and capitalization. -For example if I entered: heY, How are You doing? -the output should be: Hey, how are you doing? The program runs fine, I just cannot get it to output. [CODE]#include <iostream> … |
| | hi everybody! :) I have 4 tables in my mysql database as user car_description techniqual_description saled_serial_numbers In user table user_name is the primary key. In car_description there is car_id as primary key and serial_number as foreign key which is primary key in table saled_serial number and user_name as foreign key … |
| | I am kinda new to world of c programming, and i have been assigned a problem that is written as follows: Write a procedure that counts the number or words in a string. Write a program to test your new procedure. I am kinda lost on this completely. Any help … |
| | Hi All, I have read that the system call "execlp" will take the first arguement as the file name(or path), second arguement as the command and all others are arguements to the command terminated by NULL. i have written below program. [CODE] #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <sys/types.h> … |
 | Hello I'm working on a project, and I have the following classes: [LIST] [*]Loader - This loads the contents of the text file [*]Matrix - This processes the data that has been loaded [/LIST] Now I'm using association, Loader -> Matrix In my matrix class I have a method that … |
| | I'm trying to improve the validity checks in my program, but no matter what I do, I can't seem to come up with one that catches the following: 1) If you input "enter" "enter" the program reads it as a valid anagram. 2) if you input all number "33467" "22113" … |
 | I have an array of structures: [CODE]typedef struct { char name[20]; int ID; int status; } seat;[/CODE] Then, basically, I'm trying to print out the list of empty seats in a reservation system. [CODE]void listEmpty(seat plane[MAXCAP]) { int i; for(i = 0; i < MAXCAP; i++) { if(plane[i].status == 1) … |
| | let say, i have a House object; House* someHouses = new House[100]; -----fucntion call... may or may not add stuff to someHouses ------ now, i want to get to the last position that haven't used yet. i tried to check NULL, and 0, both doesn't work. how can i check … |
 | I'm creating a game, the game is designed on 2d array of 12x12 The game is a remake of the 1984 pengi. I'm having trouble creating the array making the array fit the screen size. in the attachment in the Game1.cs I have initialized the 2d array of blocks randomly … |
| | Greetings, this is my first post here but I will try to do it correctly. I know this specific question is a common one, but I am not looking for someone to do it for me, I just need someone to help me out a little. I understand the basics … |
 | Well been working on a project that has a bit of sandbox approach to building things. It works pretty well, but I want users to be able to implement C# script for the objects or to keep track of them and perform analytics. I have got it somewhat working as … |
| | i m trying 2 find all primes between 2 nos using sieve. but somehow only 2 is being set as prime, pls help me in finding the problem [CODE] #include<stdio.h>//1==t for prime #include<stdlib.h> #define MAX_LIMIT 100 char flags[MAX_LIMIT+100]; void set_seive(void) { /*setting of flags for prime nos. by sieve of … |
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