19,876 Topics
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| | Hi everyone, I'm currently working on a cross-platform project to copy data from the computer onto a USB drive quickly. [B]Main problem: EOF in the middle of the file[/B] It's going good so far, but I stumbled across a problem in my copy_file function: [CODE]int copy_file(char *source_path, char *destination_path) { … |
| | I've read many threads on how to remove a new line character '\n' using fgets()-- however, how would one go about removing a new line character simply by using getchar() ?  |
| | Good day, can you give me some sample program that hold string in 3 dimensional array.. because our instructor didn't expound the discussion about multidimensional array then is it useful in our final project this semester..Hoping for reply Thank You |
 | [code]main() { int a=5; a=++a + ++a; printf("%d",a); }[/code] the output is 14..how come?  |
| | So the project is to write a program (for a beginners C class) that compares 2 words and see if there anagrams of each other. I'm about halfway through the program and it was working fine until i tried to add the IF STATEMENTS with isalpha. What I'm trying to … |
| | Is there any C++ .Net IDE's around? I mean visual studio is ok.. it just isn't as good as SharpDevelop which only does C#, VB and a few others. It doesn't do C++ that's why I'm looking for a C++ version of SharpDevelop. Any Ideas? SharpDevelop [url]http://www.icsharpcode.net/opensource/sd/[/url]  |
| | Please help to make a code of the josephus problem in C using the circular linked list. |
| | When my os starts and i log in, the Network Manager displays a list of available networks. How can I code a C program to get a list of avaialble networks. Arp requests? What is the protocol? |
| | Hi All, Why my QueueUserWorkItem is not at all working. My code is here: [CODE] typedef struct { PCHAR URL[MAX_URL] ; PCHAR DestinationPath ; }MAINDATA, *PMAINDATA ; int main(int argc, char * argv[]) { PMAINDATA pData ; BOOL bQuwi ; DWORD dwIndex ; PCHAR pURL ; pData = (PMAINDATA)malloc(sizeof(MAINDATA)) ; …  |
| | [CODE]#include<stdio.h> #include<string.h> void main() { char str[20],cmp[20]; int x; printf("enter the string : "); gets(str); printf("enter the string 2 : "); gets(cmp); x=strcmp(str,cmp); printf("%d",x); } [/CODE] my doubt is how strcmp returns an integer ??how will it take the words |
| | i found this code in a book. i am finding it confusing. [code] #include<stdio.h> int main() { int arr[3]={2,3,4}; char *p; p = (char*)arr; // line A p = (char*)((int*)p); printf("%d",*p); p= (char*)(p+1); //line B printf("%d\n",*p); return 0; } [/code] the answer is: 2 0 but i cant figure out … |
| | I'm trying to design Programmable Logical Array using c language. Due to lack of time I downloaded code for tabulation from internet. Now I have modified it to return f and f' in a character array. It works fine for some functions. But it shows memory allocation problem for some … |
 | [CODE] sem_t w,r,s1,s2,s3; pthread_mutex_t m; int main(int argc, char* argv[]) { mutex and semaphores initialization ..... call threads.... wait until finish and cancel threads... clean threads and semaphores [I]exit;[/I] } void *reader(void *argv) { while(TRUE) { sem_wait(&r); sem_wait(&s1); pthread_mutex_lock(&m); ... read data..... pthread_mutex_unlock(&m); sem_post(&s1); sem_post(&w); } printf("Done read\n"); sem_post(&extra2); pthread_exit(NULL); … |
| | [CODE=c]int OperateGumBallMachine(void){ int total = 0; char input = getchar(); RefillGumBallMachine(); for(input; input != 'x'; input = getchar()){ if(gMachine.iNumBlueGumBalls + gMachine.iNumGreenGumBalls + gMachine.iNumRedGumBalls == 0){ RefillGumBallMachine(); } switch(input){ case 'n': total += NICKLE; if(total >= QUARTER){ total -= QUARTER; DeliverGumBall(); printf("Your change is %d cents\n", total); total = 0; } … |
 | I have some code in C++ that uses an std::vector of std::strings to store an array of strings. I need to convert it into C. I thought that I would just create c versions of the functions I need (vector.back,vector.push_back,string.operator+=) but am getting lost in the double pointers. Can anybody …  |
| | Customers of 65 years and over are entitled to discount of 20% on all purchases from an online shopping site. Write compile and test a program which will read in a customer’s age, and inform them whether or not they are entitled to discount on purchases. I have this so … |
| | If I mprotect a segment with PROT_NONE and if a SIGSEGV occurs due to a write which gets handled by sigaction with sa_sigaction, We will be able to find the address where the fault occurs using siginfo_t's si_addr. Is there a way to know the data that was tried to … |
| | This version1 of the code is a recursive function to print n to 0 values, but there is no return statement, is it using the return value of printf The version 2 of the code prints from 0 to n,and it worked even if we remove the return keyword as … |
| | I am trying to write this code, but I am having problem with using floating point in the while. The code works, but when I input the number, I get some strange result. What's wrong? [CODE]#include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) { int hourWorked; double hourlyRate; double … |
| | I wanted to create a simple table by printing lines in between my values with a header at the top and my numbers left justified. However, when I get to a ten digit number or larger, my code seems to break and my count variable goes to zero as far … |
| | [CODE]#include <stdio.h> #include <string.h> int main() { int count = 0; char *doc; FILE *inp; printf("Enter the file name: "); scanf("%s", doc); inp=fopen(doc, "r"); while((doc = fgetc(doc)) != EOF) { if (doc == ' ') count++; } fclose(doc); printf("%s contains %d words\n",doc,count); return 0; } [/CODE] So basically I'm a …  |
| | Hi everybody. I'm trying to write the program that will read the file and delete blank spaces ONLY after the text. here is the text : [CODE]serg@serg-PORTEGE-Z835:~$ cat sample.txt Now is the [/CODE] here is the the same in hex: [CODE]serg@serg-PORTEGE-Z835:~$ od -x sample.txt 0000000 2020 2020 2020 2020 2020 … |
| | Write a statement that declares and stores the elements of the following array into a vector object: char vowels[5]={'a', 'e', 'i', 'o', 'u'}; I think this is what I need, but I want to verify this. [CODE]char vowels[5]={'a', 'e', 'i', 'o', 'u'}; vector<vowels> vowelsList (vowelsArray, vowelsArray +5);[/CODE] |
| | [code]#include <iostream> #include <vector> using namespace std; char img[30][15]; char x = 'X'; int dotLoc[24][2]; int dotNum = 0; int ret[4]; int curDie = 0; int dieNum = 0; int der = 0; vector<int>* readDice(vector<string>&); int dieDots(int, int); void findDots(); bool adjX(int,int); bool traverse(int,int,int,int); vector<int>* readDice(vector<string>& anImage) { // TODO: … |
| | Hi everybody. I'm new in C and would like to know how to delete last elements in the array? lets say I have array arr = {1,2,3,4,5} and whant to delet last two elements. is it possible to do? |
| | Hi, I need help with my assignment. Basically I have to make a html page and have the output display in a .cgi file. I am able to change the font and colors in the html page but the output of my cgi file comes out in black font. I … |
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| | Hello all.... Sorry if this is extremely simple and stupid but I was taking a look at the Forgers32 manuals just to have a poke at the win32 api. I was able to get his first example working to pop up a basic window but for some reason the title … |
 | Is it possible to create gui programming using C. If yes then please give Example source code. thankx in advanced. |
| | Hi, I have a replace function which replaces all the occurences of the string into another file. But when I use the replace function multiple times... it replaces the string which was passed in the last call only and all the previous replacement does not happen. Below is the code … |
| | Hi! I'm making a chess program, that need to move pieces on the chess board, get an input,check if the move is valid and print the output. The compiler finds some errors that i don't understand...I need some help with the pieces functions. Plz help me fix them!!! my attempts …  |
| | I have a file(myfile.txt) with the following lines, the records are semicolon delimited [I]Bon Jovi;Living + 2;EP;A+ Metal Maze;Aliotta Haynes Music;LP;B- Shore Brothers, The;Wipe my door, check;LP;C+ Bulman, Dane & Greg;Dane & Greg Bulman;LP;C- Calbert, Herb & The Mexico Brass;Rise;LP;A´[/I] . . . I want to write a c program … |
| | Look my program read all lines from (plain.txt) and save temporary every read strings line by line into another text called(all.txt), i made the md5sum hash on each line separately of (all.txt) and saving this hashes on calculating.txt... then delete the all.txt and calculating.txt, creating a new copy of calculating … |
| | Hi people I'm programming in C like a month. I just made this code yesterday, but I want the same result with a better code without using recursion for optimization, i think mine is sloppy. Also im using linux distribution... Any ideas to change this code in 1 or 2 … |
| | Hi everybody. Im trying to make a C program [CODE] 1 #include<stdio.h> 2 #define SIZE 100 3 4 int getline(char line[], int lim); 5 6 int getline(char line[], int lim) { 7 int c,i; 8 9 10 for(i=0; i<lim-1 && (c=getchar()) !="\0"; ++i) 11 line[i] = c; 12 if(c=="\n") { … |
| | I'm just starting out in C++ and want to use TextOut to print a character that is generated at runtime based on keyboard input but am having trouble converting TCHAR to LPCWSTR so that it can be used in the TextOut method. my code is [CODE] LRESULT CALLBACK WndProc(HWND hWnd, … |
| | I can't figure out what this error is saying. Error: C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp||In function 'bool operator==(const statistic&, const statistic&)':| C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp|225|error: passing 'const statistic' as 'this' argument of 'float statistic::sum()' discards qualifiers| C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp|225|error: passing 'const statistic' as 'this' argument of 'float statistic::sum()' discards qualifiers| C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp|226|error: passing 'const statistic' as …  |
| | Hello, I need someone to give me ideas about a project to start developing it. I am an intermediate programmer and I want to develop my skills .thanks in advance guys |
| | I need to prompt the user to enter two strings and then create a third string with the first half of string1 and the second half of string2. I was able to put the first half of string1 into string3 but I cannot figure out how to put the second … |
| | Type an algorithm to solve the following problem: You want to read the different ages of a group of people until an age of negative is entered. Based on the ages entered, you should count and print how many of the people are old (above 65), how many are middle-aged … |
| | Hi, The key suppress event is working fine for english character for a string (blocked string). But for korean characters, if i tried to edit the blocked character, the character is not blocking it is simply typing. i tried by key supress event and handled event it is not working. … |
 | How to print the enabled MACROS in my project? I am using C. RTOS eCos. Also i am using the makefile. In the makefile i wanted to print the all the defined MACROS.  |
| | alright, well the code I have is a complete mess and there HAS to be a better way of doing it as well.... it's right here [CODE]#include <stdio.h> #include <stdlib.h> int toExit(int exit){ while(exit != 1 || exit !=2){ printf("\n\nPlease Choose:\n1) Exit\n2) Run program again\nYour choice: "); scanf("%d", &exit); printf("\n"); … |
| | Hi, What would be the best way to extract an array of strings (only the first strings separated by a "," ) encapsulated within the curly braces ( { } )from within a file...? Eg: Test.txt *************************** This is also in the text file { abc def ghi , jkl … |
| | Program wont run error says 1>c:\users\owner\documents\visual studio 2008\projects\ia\ia\jb bakery.c(16) : warning C4013: 'sleep' undefined; assuming extern returning int 1>Linking... 1>JB Bakery.obj : error LNK2019: unresolved external symbol _sleep referenced in function _welcome 1>C:\Users\Owner\Documents\Visual Studio 2008\Projects\IA\Debug\IA.exe : fatal error LNK1120: 1 unresolved externals 1>Build log was saved at "file://c:\Users\Owner\Documents\Visual Studio 2008\Projects\IA\IA\Debug\BuildLog.htm" … |
| | If I had a structure like this [CODE]typedef struct { char word[101]; int freq; char filename[100]; } WordArray;[/CODE] and declared this inside a method instead of it being a global variable(so its local) [CODE] WordArray words[10000];[/CODE] then how would I allocate memory to this? I've had this [CODE] for (i=0;i<10000;i++) … |
| | Hello all, I am trying to understand the concept of pipe-ing input/output through a C program. I wrote this simple code: [CODE] #include <stdio.h> #include <stdlib.h> void in_read (int *foo) { read (0, foo, 1); } void in_write (int foo) { write (1, &foo, 1); } int main (int argc, … |
| | Hello everybody. I've a question. I tried to change font size of textBox named "textBox1" Here is the function of the NumericUpDown: [CODE]private: System::Void numericUpDown2_ValueChanged(System::Object^ sender, System::EventArgs^ e) { String^ Num2 = this->numericUpDown2->Text; this->textBox1->Font->Size = Num2; };[/CODE] Errors that occur: [CODE] error C2039: 'set' : is not a member of … |
| | Hi there, I'm not sure if this is impossible to achieve or not, but I have a C program that I created that is compiled with an a.out executable. Is there a way that I could have it start/run automatically after I log in? I have a Mac running on … |
| | (C language) Hi.. Can anyone write a function to accept a character and display it 10 times?? Thanks in advance.. |
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