18,491 Topics
Can anyone help me with my problem? Problem : I have 4 text files named datatypes, delimiters, operators and variables, having respective data. I have another file which acts as input to this program. The problem is that I have to check each lexeme of the input file and compare …
i just read in a few articles that we need some kind of special drivers for parallel port to access it through c as in win xp and 7 we cannot access them directly ! so can you help me in that !????
Hi, I installed OpenCV 2.4.3 and added it to system path. Then i added everything in CodeBlocks as described here http://stackoverflow.com/questions/10876052/how-to-compile-a-program-using-opencv-2-4-3-with-codeblocks When i run a sample OpenCV program, CodeBlocks doesn't recognize the header files saying no such file or directory. I have OpenCv2.0 working perfectly fine with CodeBlocks 8.02 on …
I want to designe a code at display a perticular data Example a time table of the week For instance if someone view a page on monday so it show display result of the table or data which is set to display on monday or if some one view same …
Greetings, I want to create a DLL that enables me connecting to fingerprint devices what resources I should read to be able to develop such DLL
I am getting input from terminal using "char *argv[]" parameter in main function. Now, I want to check whether all the inputs are not character (they are not necessarily int, they can be double) but I don't know how to do it here because inputs are pointers and it's not …
How can I install gcc 4.7.2 for codeblocks that supports both 32 and 64 compilation? If I install the x32 bit compiler: x32-4.7.2-release-win32-sjlj-rev10 it will compile with -m32 compiler switch but give a bunch of linker errors for -m64 If I install the x64 bit compiler: x64-4.7.2-release-win32-sjlj-rev10 it will compile …
Hello Everyone, Off the bat I want to say that I am just learning programming so if my code is missing basics I apologize. I was hoping that you might be able to give me an example of how you would solve this problem. I've spent the better part of …
Can anyone point out why I am getting these errors two errors. [CODE] #include <string> #include <iostream> #include <fstream> #include <iomanip> using namespace std; #include "playerType.h" playerType::playerType(string first, string last, int num, string pos) : personType(first, last) { playerNum = num; playerPos = pos; } // end function playerType void …
hello guys, i am doing a project in c(for college mini project) " to get the status of the I/O devices connected to the PC" pl give me suggestion as i am completely new to this system software concepts. guys pl suggest me some valuable resources, links or codes. because …
So you want to find out which day of the week you were born. Well at least some of us do. I actually wrote this program because my whole family was born on Sundays, and my friends didn't believe it! An oldie but goodie, moved from DeSmet C to Turbo …
Hey guys, I find myself here once again seeking your expertese. Long story short, I need to create a hash function that will hash a list of lexemes in a programming language to unique indicies in a hash table. The problem is that the lexemes (provided below) must all hash …
Hi Guys, I was trying to code in C for the following. You are given with 2 files, file1.txt and file2.txt. The contents of the file contain INTERGER values. Add the contents of the file and write them to another file file3.txt. My code is as follows #include <stdio.h> #include …
If you consider any multiple of 3 and then sum up its digits, the sum is always divisible by 3. For eg. 843 is a multiple of 3 and 8 + 4 + 3 = 15 is also multiple of 3. Similarly, for 9, any multiple of 9 satisfies the …
Hey guys, I have a general question about what is and what is not included in standard C? I have a project and the instructor says we can only use anything that was included in C99. Because I have a heay experience in C++, I often find myself questioning whether …
Hi there What are the various GPL's that can be used with C? I am currently learning SDL and I know of another, Allegro. Just trying to fine tune as well as learn more about C, so I am programming games using C.On a bright sunny day, it would definitely …
Hi there I have a C++ code and I need to write it in C to do the simulation. Can anyone help? Thank you so much. and for random.hpp I will replace that with random.c (a random number generator in c) #include <cmath> #include <cstdlib> #include <fstream> #include <iostream> #include …
Hello all, I am working on a project and i need to basically copy a directory and its files to another location. I have figured out that xcopy comes in handy for what i want to do.but somehow when incorporated into my C code, it does not work. The code …
Why does the following line of code generate error as " pasting / and / doesnot generate a valid preprocessing token"? Can someone please help #define comment /##/ int main() { comment printf("hello"); return 0; }
Hey guys, I have a silly issue that is bothering me. I am trying to read an unknown amount of lines from an input file and basically stop when I reach the EOF. I probably does'nt matter but the assignment is to create a simple lexical analyzer/scanner for a mini-subset …
Hi Every One, I Was Wondering If Anyone Could help me With This Problem Or Not... I Just Need A Simple Program, With The Least Amount Of Using Arrays, And Loops... And My Main Problem While Writing It Is When I Want To command The Program To Act Like a …
In lines 359 and 360 i have this piece of code: printf("Oi mathites me ton megalytero bathmo ( %f ) einai oi: \n",max); for (i=Stack.Top;i>=0;i--) { printf("%f, \n",Stack.Element[i]); } And i want to print the results of that Stack...... but nothing happens .. :-/ What have i missed to add …
hello guys, how to play audio files using c ?? i am just a beginner to c programming and also to this form.. thanks in advance.. :) with regards, roshan
hello everyone ,, have a look on the program really difficult for me to understand the concept please help
#include "LVdefs.h" struct konfigDatei { char tableName[50]; char columnName[128]; char primary1[50]; char primary2[50]; char primary3[50]; char primary4[50]; char primary5[50]; char primary6[50]; }; main( int argc, char * argv[] ) { int loop = 0; int count = 0; struct konfigDatei kd[50]; char line[500]; char *ch; FILE *f = NULL; f …
How to make an application to prevent itself from launching from the command line? I have a binary which should be launched by a daemon; but when somebody tries to launch the binary from command line, I should error out stating "cannot be launched from command line". Tried googling but …
hi can anyone please help me with this problem arranging given input that is alphanumeric in ascending and descending order using turbo c *note the given info are char only example output: info to be arranged: blk4 lot 32 ascending order: bkllot234 descending order:tollkb432
hi i am adjusting a socket program code to make it able to read and write on files and send and recieve packets but i am stuck it only performs the first while loop and doesn't go to the next lines to execute them ! i dont usually program using …
Hi guys. I am a student who really needs some assistance with creating a recursive function in C that changes multiple consecutive white spaces (blanks) from an array of characters into a single blank. For instance: char c [10]; // let ␢= blank symbol where the contents are :␢␢␢␢INT␢␢␢ the …
Ok, it's a pretty dumb title but represents well what I need to know. I'm pretty much a noob in programming and I found a problem about finding the first 3 perfect numbers. I got it solved, but I wanted to see how far I could go. My computer can …
Hi, I was trying to browse through the contents of an SD card containing the FAT16 filesystems using a HEX editor. I was looking up a person's program to navigate through the filesystem i.e. reading the master boot record, boot sector etc and he has used a "long" for fields …
Hello! I have a problem about creating a menu, the switch statement doesn't break. Could somebody please help? The code is: do { /* ...get input... */ switch(choice) { case 1: submenu(); break; case 2: submenu2(); break; case 3: printf("\nThe program quits.\n"); exit(0); default: printf("\nNo such menu item!\n\n"); break; } …
a. Write a C program to open and close a file given its name. Your program must check whether or not the file exists. b. Add a function for reading an opened file into an array of characters. You may assume the array is large enough to hold an entire …
Hi, i would like to calculate the execution time of my program. is there any function available to enable it??
Hello, I am trying to divide my dataset(iris dataset) into training and test sets randomly. My dataset contains 150 patterns. And I need to divide 90 patterns to test set, and the rest to training set. How can I do this? Help me with the C code. Thank you
I got this snippet of code from a larger program I've been writing and I'm stuck. All I'm trying to do is read from a file line by line but I keep picking up the new line character, at least that's what I think it is. #include <stdlib.h> #include <stdio.h> …
hi i am trying to copy the returned value (not really the returnd pointer but what it points at) from function gets but its not working and when i try to print it or print the str_infile before strcpy function , its not printed out !! i added temp_buff before …
Say I have two CGI files: start.cgi and view.cgi. view.cgi recieves data from start.cgi via POST method. My question is, what are the necessary conditions to use in a conditional statement if I were to determine the presence of data in `stdin`? This is to redirect the user back to …
main() {--- ---- ---- } main(int a, char **b) {--- --- --- } main can be used in the both the ways in c but if there is no concept of function overloading in c how can the above be achieved.
I am having trouble having redirection working with the ability to hit enter and remain in the same shell. My problem is if user types: ./a.out < foo.txt (where foo.txt contains a command like date) I want to execute that command and exit the shell.However,if the user compiles the code …
Assignment 1: Simple Text Editor using C programming in Linux Environment The goal of this assignment is to help you practice c programming. A tutorial on Linux commands and c programming is given at the end of this assignment. Resources/examples of c programming is given in Moodle and further help …
I am trying to devise a program to scheduling "events" onto 3 different stages using dynamic programming. I have a start time a finish time and an interval associated with each event. int max1(int x,int y) { if (x>y) { return x; } return y; } int max2(int x, int …
I'm very confused about void pointers and this notation here below. I do understand that when you have a void pointer you eventually cast it to some kind of type int, double. What I don't understand is what is happening here : copySize = *(size_t *)((char *)oldptr - SIZE_T_SIZE); copySize …
Server code part: void spawn (char* program, char** arg_list) // Executing the clients command { printf("\n\nprogram = %s\narg_list = %s\n\str1=%s!!!\nstr2=%s\n\n",program,arg_list,str1,str2); dup2(s2, STDOUT_FILENO); //Redericting information to socket dup2(s2, STDERR_FILENO); execvp (program, arg_list);abort (); // Executing the clients command - After this, program gets stuck, why? /* if (send(s2, "This works multiple …
I think that the main problem on my code is that iam trying to pass a struct through another struct . Is there a problem if i use "->" instead of (*). ? Because it keeps showing me an error that say's : invalid type of argument '->' Iam trying …
Hello! I'm new here, and I need some help. :) I am working on a program that has to write and read a binary file. I have to add lectures to it, they look like: **COURSECODE;COURSENAME;MAXAPPLICANTS;ACTUALAPPLICANTS;** I could write that in a file without any problems using `char*`. My question …
what is the difference of passing an array to a function like this function(int x[]){ } or like this(int x*){ } what is the difference both ways seem to work
My friends are keep telling me "Use debugg idiot !" I found out that for a code over 200 lines is very important. But i want to debug only a specific piece of code. And to review the results of a variable while the code is "executing" . Is this …
I am trying to read a structure from a .dat file...the first integer to be read is the no of readings, then there is the data in following structure format struct Oven { int rec_no; int temp; int status; char string[10]; }; below is the method through which I read …
I am trying to make a compiler for my project using C but I have a problem on how to store the contents of the text file into an array or something similar so that my program can compiler or analyze my txt (code) file. Here is what I have …
The End.