19,876 Topics
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| | I created a C program that will make a connection to a website. I can compile it with no errors at all but when I run it, I still can't create a connection to my specified website. The errors that are shown in the terminal are: client: connect: Connection timed …  |
| | I am trying to compile a program using make on Mac OS X with gcc4.2. But I'm getting this error: fpu_control.h: No such file or directory I have never had a problem with an include file before and I'm rather confused! I have googled fpu_control.h, but I can't find anywhere …  |
| | I am trying to divide a string in 3 parts and assign to each part to one thread. And luckily I am able to do so. The purpose of the program is to match a character and each thread tries to match that charcter and return results.The main problem comes … |
| | Hi,please help me! I wanna write a program for gauss jordon elimination ,for that I need to sort/exchange the rows such that the rows are in order of their increasing zero elements before non zero element in each row like below suppose, input 0 0 3 4 5 0 3 … |
| | [CODE=c]#include<stdio.h> #include<stdlib.h> #define GREY 1 #define BLACK 0 #define WHITE 2 typedef struct node * graph; typedef struct stack * snode; extern int stack_counter; graph cnode(int data); //cnode is to create a node for graph void cgraph(void); struct node { int data, color; struct node *LEFT, *RIGHT, *TOP, *DOWN; };//this … |
| | Hello, I am using OpenGL in C++ to create graphics in a program of mine. In the window, there is the main section and a sidebar. My problem is that I do not know how to relocate the vanishing point in my window. Currently, it is at (0, 0), which … |
| | Hi, I was trying to code the shell sort algorithm ,which compares data over distances of n/2,then n/4,n/8 and so on till the array finally gets sorted .As far I understood I implemented the code as follows but it doesn't seem to work.Can someone help! here is the c code[code=c] … |
| | Hi I'm Indrajeet. I was writing a program in VC++ 2010 Express for file manipulation, and after finally getting all the syntax errors out,my code looks lie this: [CODE]/********************************************************************* This is a program for file manipulation in VC++ Created by Indrajeet Roy *********************************************************************/ #include<conio.h> #include<stdio.h> #include<stdlib.h> //Protoype of the functions … |
| | Hi, The following part of code is failling at first free call (Line no.26) giving above error.I don't know what to do.Please reply urgently. [code] int main() { val1 Valstruct; int i; Valstruct.ch = (char **)malloc(2 * sizeof(char *)); for(i=0 ; i<2 ; i++) { Valstruct.ch[i] = (char *)malloc(10 * … |
| | i am doing a work that use srt(subtitle file) what i support to do is in command promt user can type: video title -u 3000 subtitle name after that the subtitle will appear 3 seconds after the actor speaks this is wat i have so far: [CODE]#include <stdio.h> #include <ctype.h> … |
 | Plz send me the Gauss jordon code snippet or Hint that how to write the code for it. i.e i want for nXn order. Waiting for ur post. Bye |
| | Hi Everyone, I have been trying for the past few days to come up with a solution for the following: Use a delay adjustment parameter K in the critical section to adjust the speed of the display process to show that without semaphore protection the displayed contents of the buffer … |
| | I've started using Dev-C++ and was creating a game with Allegro, I've created a background named 'Script1.c' and I also made a game map called 'Script2.c'. I've done this at the end of 'Script1' while(!key[KEY_ESC]); exit_allegro(); and I put at the top of Script1 #include <Script2.c> But I'm unsure if … |
| | Hello All, I wrote the following code to access a file, assign pointers to the contents of the file, display the file as a matrix, read the last line as a separate matrix, then I am supposed to perform matrix multiplication on the two aforementioned matricies. I have the first … |
| | I believe the error has something to do with my mergeArray function. Its a modified version of the insertNode function. i tried to make it so that i can loop through and insert an entire array of elements into a linkedList. My program compiles without error but gives me a … |
| | Hello all, I keep getting a segmentation fault when I run this compiled program. [CODE] #include <string.h> #include <stdio.h> #include <stdlib.h> #include "person.h" /* write a struct to the file */ void WritePersonFixedLength(struct person * input, FILE * target) { //use fprintf to write input->firstname '%-20s' fprintf(target, "%-20s", input->firstname); //use … |
| | I'm supposed to write a program that will search for longest common substrings in two strings of DNA. Our hint was to look on wikipedia ([URL="http://en.wikipedia.org/wiki/Longest_common_substring_problem#Dynamic_programming"]http://en.wikipedia.org/wiki/Longest_common_substring_problem#Dynamic_programming[/URL]). I did that and I understand the principle of comparing two strings. I'm currently facing two problems. First one is array allocation. When I … |
| | I have a project where I need to add binary numbers using C language. I don't know where to start. Help? |
 | When I run this code: [code=c] window_handle = CreateWindow("OpenGL", title, style, 0, 0, width, height, NULL, NULL, window_instance, NULL); if (!window_handle) { GL_KillWindow (); MessageBox (NULL, "Window creation error", "ERROR", MB_OK | MB_ICONEXCLAMATION); return false; } [/code] CreateWindow returns NULL. What are the reasons that could cause CreateWindow to fail? …  |
 | [CODE]do { ++temp_week; system("cls"); printf("\n"); printf("\t\t ***************************************\n"); printf("\t\t ***************************************\n"); printf("\t\t *** ***\n"); printf("\t\t *** WELCOME TO ***\n"); printf("\t\t *** CLASS ATTENDANCE SYSTEM ***\n"); printf("\t\t *** ***\n"); printf("\t\t ***************************************\n"); printf("\t\t ***************************************\n"); printf("\n\n"); printf("\t\t ******** MARKING OF ATTENDANCE ********\n"); printf("\t\t PRESENT = 1 ABSENT = 0\n\n"); for(i=0; fscanf(ReadFile,"%d|", &Student[i].studNo) != EOF; i++) … |
| | I have this struct for an item in a to-do list [code=c] struct Task { char description[TASK_DESC_SIZE]; /* description of the task */ int priority; /* task priority */ }; [/code] i'm just not sure how to alter the description while making a task using this [code=c] TYPE createTask (int … |
| | [B]Simple Question: Please read[/B] I have the following code snippet from my program that i am working on [CODE] bit running = 0; float var1, average_value; void is_something_running(void) { if (fabs(var1 - average_value) <= 0.001){ return *(&running) = 0; } else return *(&running) = 1; }[/CODE] var1 and average value … |
| | OK im not sure if this is a programming or pc problem but please read on ok i made a program to display playing cards in random locations using cards.dll just for a bit of fun but on my main PC which has 2.19 GHZ processor and 1 GB ram … |
| | Can anyone help me improve my source code below? I tried fixing it but apparently, there's not much success. [CODE] #define NUM_THREADS1 1 void *go_to_website2(void *program); void *go_to_website1(void *program) { char* str[3]; str[0] = (char *)program; str[1] = "http://www.google.com"; //supposedly 2nd website to go to str[2] = '\0'; char* new_prog … |
| | I am trying to understand usage of keyword __attribute in C I have checked following two pages [url]http://unixwiz.net/techtips/gnu-c-attributes.html[/url] and this page also [url]http://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html[/url] but still I could not understand where do I declare them and how I can use __attribute in my program. To test this I wrote a C … |
| | Hi everyone! I just want to ask, how do I use socket programming in C to open/go to web sites? I want to create a program that should look like this: the program asks for an integer input from the user and depending on the input number, the program invokes …  |
 | need help on single and multidimensional array... |
| | On this link [url]http://lxr.free-electrons.com/source/drivers/parport/parport_pc.c?v=2.6.29#L97[/url] they defined a structure superio_struct and initialized as [CODE=c]superios[NR_SUPERIOS] = { {0,},};[/CODE] I am not able to understand above initialization has what is it getting initialized to. What I deduce till now is superios is a structure array of struct superio_struct and NR_SUPERIOS is defined as … |
| | I am making a program that reads football player stats from a file and places it in an array how ever my program seems to over read the file which has the stats of 17 players and it makes an array of 101 players with the first 17 being alright … |
| | i have a problem here. [CODE][/CODE] #include<stdio.h> int main (){ int counter; int x; int y; int product; counter=1; x=1; y=1; product=1; while (counter<=5){ printf("%d>%d\n",x,y); x=x+1; y=y+2; counter=counter+1; product=product*y; } printf("Product>%d",product); return 0; } well,the product should be 945.but what have printf out is 10395?what is the provlem inside the … |
| | here is the things so far i got. [CODE][/CODE] #include <stdio.h> int CF(int C); int FC(int F); int main(){ printf("Fahrenheit equivalents of Celsius temperature\n"); printf("Celsius \t Fahrenheit \n"); for (x=0;x<=100;x++); printf("Celsius equivalents of Fahrenheit temperature\n"); printf("Fahrenheit \t Celsius \n"); for (x=32;x<=212;x++); Pls,somebody help me.T.T |
| | first we read something from the text files ( INT type only ), then i want read till "\n" stop and inceasement a value, examples, [CODE] int Attendance[10][10]; ExistingFile = fopen("Attendance.txt", "w"); if(!ExistingFile) { printf("\t\t This File Cannot Be Open Successfully!!\n"); printf("\t\t Please Check It!!\n"); exit(-1); } else { fprintf(ExistingFile, … |
| | Hi, i have question about accept call interrupting. As you can see I have a loop which is controlled by boolean [B]not_ended[/B]. I set this var to 0 (false) in a separate function. I would like to know how should I [U]manage to interrupt this accept loop properly[/U]. When I … |
| | [CODE]#include <stdio.h> #include <windows.h> #include <stdlib.h> DWORD WINAPI test_thread(LPVOID lpParam) { printf("thread whiiiii\n"); struct person { char *namee; int agee; }; struct person p = ((struct person)lpParam; printf("%s\n",p.agee); ExitThread(0); } int main() { struct person { char *name; int age; }; DWORD thread; struct person p; p.name = "John Smith"; … |
| | Hi, I compiled the sample provided by Microsoft which created 3 files. Those are instlsp.exe, nonifslsp.dll, ifslsp.dll. So I installed it with instlsp.exe -i -o 1002 -o 1003 -o 1004 -n "Foobar" -d nonifslsp.dll Well its installed perfectly. But when now I tried open any web page, not opening. 1) … |
| | Hello there, I have an issue with execvp to a project in C i'm trying to procces.. Execvp is always returning -1.. and this warning " passing argument 2 of ‘execvp’ from incompatible pointer type" .. here's the source code, and any advice at the matter would be appreciated! [CODE]#include … |
 | I am trying to use Qt 4.0 with devCpp. I have a weird error when i try to compile this simple code : [code] #include <QtGui/QApplication> int main(int argc, char *argv[]) { QApplication qApp(argc, argv); return qApp.exec(); } [/code] The error is : [code] 10 : no matching function for …  |
| | I am trying to write a program that does operations with rational numbers. My program runs and is able to add, subtract, multiply and divide. However, it does nto reduce the fraction and when printing in decimal form, it returns an int rather than a double. For example, it would … |
| | Hi, I have a problem with my code in C An error occurs with message : /usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../../lib64/crt1.o(.text+0x21): In function `_start': : undefined reference to `main' collect2: ld returned 1 exit status Does anyone know for it ? Thanks a lot |
| | Hi everyone, I just got a problem referencing void pointer. If in my code, I replace *rbuf= &svar by (rbuf= &svar;); it does not complain but it does not return the real value (rbuf is a void pointer). Please Can anyone give me any advise. I would really apreciated /*****************************************************/ … |
| | The purpose of this is to obtain a genuine critique of my source code (based on a fairly simple concept). I realize I may not have the cleanest implementation for testing for prime, due to the fact I am not an aspiring mathematician. I am interested on critique of the … |
| | Hi all! I have been given the task to modify the code below so that it can do subtraction, multiplaction and division, not just addition. Could someone help me with this and explain what the strncpy does? I'm so confused!! // C Parsing Adder program #include <stdio.h> #include <string.h> // … |
| | I couldn't find a decent C network programming book for windows. Can anybody help me? |
| | Hi everyone! Does anyone here know how to create a C program that will open a web browser depending on the user input? For example if the user inputs the integer 1, the web browser will be opened and will go to 'http://www.daniweb.com', when the input is 2, 'http://www.google.com' will … |
| | I am having a programming exam ,and we have studied arrays ,files ,and linkedlist ,hash tables ::the question is in what cases is the best choice to use one of these !! because most of the mark goes to how & what kind i used in implementing the program that … |
| | Can anyone help me improve my source code below? I tried fixing it but apparently, there's not much success. [CODE] #define NUM_THREADS1 1 void *go_to_website2(void *program); void *go_to_website1(void *program) { char* str[3]; str[0] = (char *)program; str[1] = "http://www.google.com"; //supposedly 2nd website to go to str[2] = '\0'; char* new_prog … |
| | Hello. I have a question regarding a task I was given. It goes : Fill the array with random numbers and then print out how many times theyve appeared like so : [CODE] /* ARRAY : 0 0 0 0 1 1 1 2 2 2 2 2 6 6 … |
| | Hi During my Web browser program i have got a bookmarks bar running but when ever i add a bookmark to it the name is the URL, which is bad if you are adding a Google search page. When i try and add document title into the equation apparently i … |
| | Hi all I've just downloaded the Visual C++ express 2010 from the microsoft website. but when i try to compile and run the program, it says: "Unable to start program 'C:\Documents and settings\Indrajeet Roy\My documents\Visual Studio 2010\Projects\First Prog.c\First prog.c.exe'. The system cannot find the file specified." What do I do … |
 | Hello guys.. I have this makefile: [CODE=c] MyMatrix: MyMatrix.o gcc MyMatrix.o -o MyMatrix MyMatrix.o: MyMatrix.c gcc -c MyMatrix.c MyStringMain: MyString.o MyStringMain.o gcc MyString.o MyStringMain.o -o MyString -o MyStringRun MyStringMain.o: MyStringMain.c MyString.c MyString.h gcc -c MyStringMain.c MyString.o: MyString.c MyString.h gcc -c MyString.c .PHONY:clean clean: rm -f *.o test.out [/CODE] For some … |
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