19,876 Topics
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| | I have a project that I'm working on in C++ where I have to Search for Multiple Occurrences of a String in a Text File. Does anyone have code out there on how to do this? Thanks |
| | So I have a game in c++ console, and it's pretty big now. (over 3 megabytes) I've been using strings in the code forever, but now, I need to make a separate exe program from scratch that will update the game when needed. Big problem - this new program is …  |
| | I have a project that I am working on. This is basically an extension of that. There is this weird error (Seg fault) when I run this code. What makes this error weird is that I print the value stored in the pointer and in the next line I pass … |
| | need a c program for calculating signal to noise ratio in wireless networks  |
| | Hello there, I have a set of variables that need to be overwritten onto a certain [U]row[/U] on an multidimensional array (char array[100][80]; ) of [U]strings[/U]. the variables are [U]integers[/U] and they need to be in the form [I]00:00:00,000 --> 00:00:00,000[/I] I don't know how overwrite the existing row and … |
| | Hi, guys. I've been reading your forum for some time. Now I need a little help again. I am trying to read a bitmap file using BITMAPFILEHEADER, BITMAPINFOHEADER and RGBQUAD in windows.h - I need RGB values or only one of them. All the info in header structures is OK. … |
| | Hi! I am trying to implement a server-cgi with C++, but I don't know which is the best way for the cgi to communicate with the mysql server. In the mysql web, I have seen that there are "connectors", but I don't really know which is their functionallity. Should I … |
| | Hi all, I'm helping my girl out with her hw, (/me not knowing C at all, but someone has to help, right?) I am supposed to read user input, and then try to execute a given command plus the arguments in every given $PATH. I managed it all, but I … |
| | I am building a program requiring making some classes with inheritance. I can't seem to be able to access the members of the class objects. My code looks like this: [CODE]#include <iostream.h> #include <stdlib.h> #include <time.h> class Animal{ public: int number; int legs; Animal(){ number = rand()%9; } }; class … |
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| | want to be able to count the words in an array or a string :S but i am not sure how to do it could i get some help please what i want to do is be able to tell how many words have been entered. so i will need … |
| | I need to use an if/else statement like the following in another program of mine, but for some reason there is a problem with it. The statement seems to work for all values, except when I enter the N_MAX value of 0.1. It should be considered valid, but it's not. … |
| | hi i need a litle help.....i must write a program that search for a string in a text file and return the line in the text file were string was found...string its an argv....i wrote this code but it returns the whole text file when i search for something [CODE=c] … |
| | how can i declare something like this? int main(int argc, char *argv[]){ char *users[] = {}; char *names[] = {}; openPasswd(users, names); return 0; } void openPasswd(char &users[] = {}, char &names[] = {}){ } as you see i want to populate the 2 char arrays from the function back …  |
| | Hi, I have the following piece of code. I do the following here 1)open a file. 2) Print the filepointer positon . I get 0 3)Read the file in a while loop till i reach the end 4)close the file 5)Open the same file 6) Print the file pointer position … |
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| | I know how to use the file_pointer=fopen("location","type") to open and check if a file exists. But I'm not sure how I would use this command or a similar one to check if a folder exists? What command do I have to use to check if a folder exists in the …  |
| | How to create Floating Components for a Software ? I would like to create something like a Shooting Object and a Target, which is in itself a Desktop App. What kind of API should I use to create Objects which are Discrete parts of the same App unlike Windows... Thank … |
| | Hi guys, I am working on progamm about reading some words in MySQL then display the results during run time command.But my code keep giving some MySQL errors about I can't read it. Am I making some mistakes with sequence? I am pretty new in C++. [code=cplusplus] //---------------here is code … |
| | [code] #include<stdio.h> int m,i,c; main() { clrscr(); for(m=1; m<=10; m++) { for(i=1; i<=10; i++) { c=m*i; printf ("%d\t",c); } printf ("\n"); } getch(); } [/code] |
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| | Hello, I have an app that use an excel component(ocxt.com). This component have a strange behavior, which I reproduced it with Interop.Excel. Bellow is the functions with I open and close an excel file programatically: [CODE] private ApplicationClass app = null; private Workbook book = null; private Worksheet sheet = … |
| | I'm working on a small C++ project that requires using classes. I'm supposed to create a super class Animal and the sub classes Fish, Bird and Insect. In the main function, the object of type animal is created. I need that object to 'become' one of the 3 other types … |
| | N00B here. I need to reuse a function's return in other functions. The problem is that the function's return changes every time it is called. How to achieve this? [CODE]int FUNCTION1(void) { // do stuff return FUNCTIONRESULT; // return to be reused in other functions } int FUNCTION2(void) // <- … |
| | Write a multi-module C program to manage an auto-parts database for a manufactory. help translate the bash script into c [code=script] #! /bin/sh #Project 2 CSC 3320 #echo menu test program stop=0 # reset loop termination flag. while test $stop -eq 0 # loop until done. do cat << ENDOFMENU … |
| | Any one has an idea how to develop Header of GPRS tunneling protocol using C language or even has interest in something like that I am a professional C/C++ programmers living in jordan |
| | So I've already got one function that takes a list of va_args, ..., and then formats it, like such [code=c] string form_string(string format, ...) { va_list args; va_start(args, format); ostringstream output(""); for (unsigned int i = 0; i < format.length(); i++) { if (format[i] == '%' && format[i+1] != '%' … |
| | i have to write C code for linux commands wich , apropos ,whereis(for a linux mini shell)..... if someone can tell me how to start...or help me with some links... which - shows the full path of (shell) commands --i need that comand to show me only the path of … |
| | can anyone help me doing my simple assignment,please. I feel fed up and got confused so far  |
| | bobsced0$ gcc -g -o prog ss.c bobsced0$ ./prog File size is:906984 Segmentation fault bobsced0$ gdb prog GNU gdb 6.8 Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO …  |
| | Hey guys, how would i convert the code in option ascending and descendingGPA to where it sorts all students in ascending order by lastname and all students in descending order by gpa. thanks! [code] #include <iomanip> #include <iostream> #include <fstream> #include <cstring> using namespace std; struct StudentRecord { char lastName … |
| | hi..pls help me with this ...when i run this c program i get in result segmentation fault message (i run in ubuntu terminal): [CODE=c]#include<stdio.h> #include<utmp.h> int main() { char *s,*c; struct utmp *u; int i; c=getlogin(); setutent(); u=getutent(); while(u!=NULL) { if(u->ut_type==7 && strcmp(u->ut_user,c)==0) { printf("%-12s",u->ut_user); printf("%-9s",u->ut_line); s=ctime(&u->ut_time); for(i=4;i<16;i++) printf("%c",s[i]); printf("(%s",u->ut_host); … |
| | Hi, I'm studying the basis of C, C++ and Assembly languages at my university (I have two exams about these subjects, for now) ... and I have a problem ^^. I wrote a program in C (not so optimized, this isn't our present goal for my professors) that recieves in … |
| | Okay im making a basic program to formate some excel files for are workers. But it take place once they click a start button on form 2 then that starts a background worker and the back ground worker will call opon a textbox in form 2 to see what to …  |
| | 1. command line program for match two string and also allow the character • * -- any number of character • ? – Single Character Ex.: I/p:- This is a string Th?s is *g O/p Both string are Same pls help me to solve this program in c |
| | I need to generate and reuse a 5 digit random number every time my program is executed. But the following generates random numbers every time the function is called. [CODE]#include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <sys/stat.h> #include <string.h> #include <time.h> int RANDOM(void) { int RANDOMNUMBER = 0; srand((unsigned int)time(NULL)); … |
| | Hello guys! I have an assignment in my data structure class and I want to ask following thing: I have txt file which is unordered (not sorted) say like this: red apple blue sky white car handsome boy hello world My program should read file into linked list and sort … |
| | My file contains: [CODE] Hook,Mark,In, , ,Tire,Matt,Out,01/01/2001,Mike [/CODE] My structure: [CODE] struct part { char name [NAME_LEN+1]; char owner [OWNER_LEN+1]; char status [STATUS_LEN+1]; char date [DATE_LEN+1]; char renter [RENTER_LEN+1]; } parts [MAX_PARTS], temp [1]; [/CODE] And the code: [CODE] FILE *fp; fp=fopen("parts.csv","r"); printf("%d", fp); //Added this for debugging char buf[100]; … |
| | I've started on an assignment and just can't get it right PLEASE help! The assignment is :Write a program that will do the following: 1.) Continuously prompt the user for words and store the words in a linked list. Do not use an array or in any way pre-allocate any … |
| | I have been working on a C++ program that is a tic-tac-toe game. The problem is that after I win or lose, the program does not end. Here's the code I have written so far (I even wrote comments to make it easier): [CODE] #include <iostream> #include <ctime> using namespace …  |
| | Hi, This is the code fragment: [CODE] #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> int main() { int* bugs_bunny; bugs_bunny = (int*)malloc(3*sizeof(int)); memset(bugs_bunny, 5, 3*sizeof(int)); printf("bugs_bunny[0] %d\n",bugs_bunny[0]); bugs_bunny[0] = 17; printf("bugs_bunny[0] %d\n",bugs_bunny[0]); return (1); }[/CODE] The outcome is: [CODE]bugs_bunny[0] 84215045 bugs_bunny[0] 17 [/CODE] Why is the value printed for … |
| | Hello, I am having a problem. The task I have been given is to implement a queue using a linked list. One of the functions of the program is it accept input from the user and write this to a file. The program, thus far, accepts the information, but prints … |
| | Hello everyone: I am a C++ newbie; I am interesting in using C++ in my work on coupled fluid flow-chemical reaction problems. I apologize in advance for what is probably a very simple question. I would very much appreciate some help to get me on the right track! My goal … |
| | This program was written and tested in unix/linux environment (in EMacs editor )with a GCC compiler. |
| | I am trying to take a user's input and assign it to a certain part of a structure. This code is in my book so I assume it's correct: [code] scanf("%d", &part_number); inventory[num_parts].number = part_number; [/code] I need to do the same thing but with a string instead of a … |
| | hi, this is the code for switch:[CODE] include <stdio.h> main() { int i=2; switch(i) { case 1; printf("i am in case 1\n"); break; case 2; printf("i am in case 2\n"); break; case 3; printf("i am in case 3\n"); break; default; printf("i am in default\n"); } }[/CODE] and this is the … |
| | Dear colleagues I am currently working on designing a scheduler using Borland C. I am struck with the concept of interrupts. I am trying clock tick interrupt for task switching. In all materials they say you will continue to your regular job until the interrupt occurs. I don't think it … |
| | Hey, I have a program that it supposed to read two columns of data and then perform a calculation on them. The problem is reading the data in from the file. I have a function to count the lines, this works correctly. It returns it's value into a variable called …  |
| | In the following c code, the num_elements is gobal. But if i make it as local and return , it gives strange value just before return it becomes '0' ...can anybody explain why ? [code] int num_elements =0; //generates a psuedo-random integer between min and max int randint(int min, int … |
| | I've got a large array of coordinates (a struct containing x and y, among other things) and for each pair of coordinates, I'm trying to find another pair that's closest to it from that array. [code] int i, j, d = 0, cd = 0, closest; for(i=0;i<size;i++){ closest = 0; … |
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