19,876 Topics
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| | Can you help me to start with them I cant find any information about them the exactly thing i need its Array of pointers where the pointers are pointing a menu like this idea below. Pls just help me with the syntax ...  |
| | How to do this structures, any Idea? Given a program segment as follows: #include <stdio.h> struct book { char title[80]; int bar_code; float price; } ; struct book BOOK; void INPUT (struct book *B); float DISCOUNT (struct book *B); You are required to write a complete program that includes the … |
| | I am trying to create a C++ program that queries data from an ODBC data source. I am very comfortable with C++ and SQL, im just not sure how to set up an ODBC connection in C++. I have tried searching google and have not been very successful. Im using …  |
| | Pretty interesting problem about linked list. This program is about autobuses. Each autobus is given by brand, registration number, number of seats, kilometres and year when the bus was made. The program is organised as menu and when you hit number it calls some function. Problematic function: it should NOT … |
| | plz help me to solve the below problem.i have done some code. MY client and server need to achieve the following requirements: 1.1. program for client needs to take two arguments that specify the name of server and the port that it is trying to connect to. Your program for … |
| | I have an issue i need to get resolved fast. I cant seem to get my Dialog box to run properly. This is the code i have for it. The Problems i have are where the black arrows are. First arrow: "No matching prototype available Second and third arrow: "Invalid … |
| | [CODE]void deletenode(NODE* node,int no){ if(node==NULL) return; else{ if(node->data==no){ if(node->left!=NULL && node->right==NULL) { printf("%d ",node->data); node=node->left; printf("%d ",node->data);} else if(node->left==NULL && node->right!=NULL) node=node->right; else if(node->left==NULL && node->right==NULL) node=NULL; } deletenode(node->left,no); deletenode(node->right,no); } } [/CODE] can anybody tell me what's wrong with my code? it's suppose to delete a node of a … |
| | I have a program that works fine under windows, but when i run it on Unix I get a very slightly diffent set of results, followed by a 'segmentation fault' message. I'm at a loss to explain why. Any ideas? |
| | I've a 2-d array declared as such [CODE]lower_tri = (float **)malloc(sizeof(float *)*(dimention)); for(i =0; i < dimention; ++i) lower_tri[i] = (float *)malloc(sizeof(float)*(i+1));[/CODE] So that it looks like... [] [][] [][][] [][][][] ... However, it causes a segmentation fault when I try to de-allocate the array with [CODE]free(lower_tri);[/CODE] (only in unix, … |
 | Ok, just as my topic says, I'm having trouble why it cannot consider negative multipliers. Code below: [CODE]//Multiplication by Repeated addition #include<stdio.h> main() { int k, l, m, n; printf("Enter Multiplicand: "); scanf("%d", &k); printf("Enter Multiplier: "); scanf("%d",&l); n=0; for(m=0;m<l;m++){ n=n+k; } printf("Result is: %d", n); printf("\nThank you for using … |
| | I want help in writing a C function that allows me to print a particular line in a text file. Is there a way to skip lines in a text file?? |
| | I am using a custom ListItem class in order to fill a windows forms combobox (in DropDownList style). I am filling the control fine, but how do I get the id (NOT the name) upon cmbProgramName_SelectedIndexChanged? [icode] public class ListItem { private string id = string.Empty; private string name = …  |
| | I am trying to release a console program I made, and when I tried on another computer it did not work, It told me I needed to download a .dll, I downloaded it, and it gave me some other error. So what am I missing, What do I have to … |
| | Hello. I am having a little trouble with enabling and disabling word wrapping in a normal edit control. [CODE] hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL, 0, 0, 100, 100, hwnd, NULL, GetModuleHandle(NULL), NULL); // This is how my … |
| | Hello, I'm just a beginner (student). Now still undergo C programming class to upgrade my knowledge in C. I was asked to complete a simple program to get the output of C program in the text file as shown below. This program is to help user to consider a range … |
| | In my old C++ programming classes I would often trip up on theses basic concepts when things got more and more complicated: 1. Arrays 2. Functions 3. Inheritance 4. Call by Reference 5. Call by Value 6. Pointers I kind of know how they work but don't really know what … |
| | Hey guys im having trouble completing this C program. Its suppose to ask the user to enter a file to read from, read the file, count how many times each word appears and print the results in a different file(also user input) arranged from high occurrence. Heres what i have … |
| | Hi, I can find the largest number. But I can not find the second largest number. I dont know where to start.  |
| | I am new to image processing and can u please help me to convert a GIF image into binary using C programming. |
| | Hey guys im having trouble completing this C program. Its suppose to ask the user to enter a file to read from, read the file, count how many times each word appears and print the results in a different file(also user input) arranged from high occurrence. Heres what i have …  |
 | Hi guys! I just wanna ask on how to access the first character in a string? |
| | First let me say, please don't post code back all fixed. If you see where the error is, just tell me where it is and I will look to find it. Thanks, much appreciated! [CODE] /* void processCmdLine(void) Function: parses the command line using gettok(), and constructs an argument list. … |
| | Hello everyone, I find C not very flexible this time because I know there is an easy way to assign field values to a struct like this : [CODE]Struct mine = { field1, field2, ... };[/CODE] but in my case "mine" is contained in a bigger struct. So I have … |
| | Hello all, I think am having problem getting the add_to_list function below to work. I created it so that it accepts a pointer to a linked list, a pointer to a char array (string) and a number for occurrence of the word. [CODE] #include <stdio.h> #include <stdlib.h> #include <string.h> #include … |
| | Hi folks, I am a beginner in Socket Programming. I am trying to do some simple stuff but had a basic query. I would like to implement something like wget in C top of a TCP socket (i.e., without using any HTTP libraries). Just provide a URL (Example-- $wget [url]www.foo.com/bar.pdf[/url]) … |
| | I am trying to write my own shell. I am having problems with the user input part. I have made an array (char inputBuff[512]) and I want to read in user input. I am using ffputs() and ffgets() but I want to limit the person to the 512 size, and … |
| | Hi everyone, I just started doing C++ coming from a java background. I'm writing a discrete event simulator at the moment and need to put 'job' objects into a priority queue and sort them by their next job time- i.e. shortest job time first. I first tried doing the following: … |
| | Hello, everybody!!! Please, who knows forums to discuss about parallel virtual machine (PVM), could you suggest me. I am writing PVM application, but I don't know well how to read files with PVM. Thank you ! |
| | Hi again guys. Well i need to convert char to int my problem is how can i get the exact value of int if for ex: [CODE]char x=2;[/CODE] i need to convert that to integer. |
| | Hello, good day. :) I got a problem with "passes occurred". This is the only problem left in my program. My program is about Naive Searching and Binary Searching. There's no problem with my "Naive Searching". The problem is the "Binary Searching". [b]Naive Searching:[/b] This is the result when I … |
| | Hi, I have a little problem. I need to write a function that will be given a number (with unknown number of digits) and it will search the number for similar neighboring digits. I must say that I'm not allowed to use arrays (unfortunately). I thought of disassembling the number … |
| | Hello everyone, After I publish my C# VS2005 application (to be installed from CD-ROM), the crystal reports in it will not load, but if I run the application from debug, everything works fine. Does anybody know what's going on? Thanks a lot. Best regards, JC |
| | Command line arguments in C #include<stdio.h> int main(int argc,char *argv[]) { FILE *fp; char c; if(argc==2) { fp=fopen(argv[1],"w"); while((c=getchar())!=EOF) { putc(c,fp); } fclose(fp); fp=fopen(argv[1],"r"); while((c=getc(fp))!=EOF) { printf("%c",c); } fclose(fp); } return 0; } How to run this program in linux? I have tried these steps: 1. open terminal in linux … |
| | I am making a program to compute simple interest. P*R/100 this is what i have done... Please tell me whats wrong [CODE]int main() { int p,n,count; float r,si; count=1; while(count<=3) { printf("\n enter values of p,n,andr"); scanf("%d %d %f",&p, &n, &r); si=(float)p * (float)n * r / 100; printf("simple interest … |
| | Hi, I thought I have mastered fighting segmentation fault thanks to the assistance of you guys. But still in this days I am getting seg fault. And there is no clue at all. I am writing a suffix tree using a trie. Here is the trace of segmentation fault: [CODE]aba … |
| | I have just started with MinGW. I tried to compile a simple C program ie., Hello World but came up with the following error error:no include path in which to search for stdio.h can anyone help me out with this problem.... |
| | Can anyone help me with my code?! I need to do a programm binary to decimal converter without using library, just stdio.h my code works wrong [CODE] void bin2dec(){ long int n; int s=1,j,p=1,i=0,x; int digit=1; printf("Input a binary number: "); scanf("%ld",&n); while(digit==1) { x=n%10; s=s+pow(2,i); i=i+1; n=n/10; if(n==0) digit=0; … |
| | Hey guys. In C++, if I wanted to read strings into an array I would do this: [code]std::string theWord = ""; for ( int i = 0; i <= SIZE; i++ ) { std::getline ( std::cin, stringArray[ i ] ); }[/code] In C, I am having trouble comming up with … |
| | I have made a program to test if the string entered is a palindrome or not. Here's the source code: [code=c]#include <stdio.h> #include <ctype.h> #include <string.h> void clrsp(char *); void rev(const char *,char *); int main() { char str1[80],str2[80]; printf("Enter a string: "); fgets(str1,80,stdin); str1[strlen(str1)-1]='\0'; //eliminate newline clrsp(str1); //clear spaces … |
| | Developing on an ubuntu system, using code::blocks. Need to read and write to XML config files. there is a DOM library for Gnome, libgdome2. Found a good source for this at [url]http://gdome2.cs.unibo.it/[/url] I am trying to compile the following code, which is more or less straight from the tutorial on … |
| | Hi all, Currently im doing a little coding to communicate between two PCs through RS232 ports. i am thinking of using: "writeFile" to send a string to the other PC, "readFile" to read back the acknowledgement string from that PC and "strcmp" to check if the read back acknowledgement string … |
| | Hi, well what I'm trying to do with this, is to read a text file line by line and pass its data to the struct. the problem is that not only i can't read the strings and put it on the struct fields, I also get a segmentation fault. Could … |
| | i have finished writing my program, but teacher want me to write a checkbook balancing program of a user's account. It has to use getline () to read a line, which will contain either the word "withdrawal" or "deposit". After reading each pair of line, the program should compute and … |
| | Hello I'm trying to get a random float number between two float numbers using rand() function but I couldn't write it by myself, can you show me how to do it? Thanks...  |
| | I have the R code for Fisher's exact test, however, I it's a bit too much and I am getting bogged down trying to read through the code. My objective is to calculate the test for a 2x2 table, but I am a bit confused as to where to begin... …  |
| | struct tnode { int data; struct tnode* left; struct tnode* right; }; struct tnode*talloc(int data) { struct tnode*p=(struct tnode*) malloc(sizeof(struct tnode)) if (p!=NULL) { p->data=data; p->next=NULL; p->right=NULL; } return p; } int main(){} I am getting a [error: 'NULL' undeclared] error, Any help would be greatly appreciated.  |
| | So this is part of the code in one of my functions, and whenever I enter either yes, no, or something else, no matter what the response the do loop will loop again. I don't think my "if(response == "yes")" is working. Help please? :D [CODE] char response[10]; int answer; …  |
| | Hello everybody! I am just a beginner in C, so i have some problems with the password input . This is for bank account, it asks user for password input, but it doesn't works properly for three attempts, in order to go to menu: Could you help me please, what … |
| | I write this program to cheak user name and password enter by the use is same then the user is able to login, for this i declare a pointer array to store some user name and password (like sin up by user),and then the user enter her user name and … |
| | Hello World, [INDENT][/INDENT]Can anybody help me to create a windows applcation with turbo c. Am newbe in turbo c and I learned to make c programmes very well, but I Am facing a lot of problems since I moved to windows applications and i can't understant why turbo c doesn't … |
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