19,876 Topics
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| | Hi All, I am writing a program to find the smallest positive integer that has n or more divisors. My program gives me correct answer for input values upto 4 but it produces erroneous answers for input values above 4. For example, it gives 10 as integer having 5 divisors. …  |
| | Working with Visual Studio 2008 and accessing SQL Server Compact 2010. Following a programming book and have created a small contacts database. The next lesson requires that the database be dragged onto a form already created. Have not found success in getting the form and the database on to the … |
| | C++ Programming The file attached contains the instructions. This is what I have done so far. It outputs the contacts from the file. I need help by tonight. Please Help!!!! I have all the tokens on the vector token. I want to create a Contact with those tokens Ex: Contact …  |
| | Hi all, I have to interface an IC which is giving serial output bitwise from a single pin this pin is directly connected to a microcontroller i have to read this single pin to an unsigned int. i have written a function something like that but its not working. unsigned … |
 | hey guys, im building a small prediction software, the GUI is in PHP and i want to do the data crushing in C. (sequence, matrix and multiple variables isolation) i know the basics in C, but im no C expert. Is it possible to pass from C to PHP other … |
| | Hi guys, I'm not sure how to enter new entries into an array that is full. scanf() allows us to input a number. array[i] allows us to put the number into the array The problem with int array[x] is that you have to define the number of values in the …  |
| | Can any explain about variable argument and their parameters??  |
| | Hi guys, im new to these forums and would like some help with two problems im having in my program to make crossword The crossword requires me to read 5 inputs in one line. word row column direction clue Problem 1- input I wish to getchar the first word while((answerInput[count][i++]=getchar())!=' … |
 | i wrote a program to determine the binary digits of the entered integer. I want to implement it in other programs directly, instead of typing the same code again n again. Does anyone know? how to do that????????? #include<conio.h> #include<stdio.h> int main() { int n,a[20],i=0; printf("Enter a number: "); scanf("%d",&n); … |
| | Hello, I have been working on a school project of Algorithms class. It is basically to create a C project to insert numbers into a binary search tree then order it and find the largest element. The largest number goes to the right node of the tree so it should … |
| | Hello, Well I am trying to finished the following progam and I need help with 2 functions [i]reverse book(s)[/i] and [i]return book[/i]... If someone can told me points where to start I will appritieate:: below is my code, note that I don't know if the [i]customer_book_count[/i] is work since I …  |
| | Hello i need some help for a function that I'm creating, it should perform some of the fuctions of the operand "printf". The problem I have with the funcion, is that I am unable to read the "Float" and "Double" type parameters, also i want to create a function that …  |
| | The file contains the instructions. I need help by tonight. Please Help!!!! main.cpp: #include <iostream> #include <fstream> #include "addressbook.h" #include "addressbook.cpp" int main(){ ifstream inStream("input.txt"); string line, header, token; vector <string> tokens; getline (inStream, header); AddressBook myAddressBook; while(!inStream.eof()) { getline (inStream, line); cout << line << endl; int x=0, y=-1; … |
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| | Hi, I'm a junior computer science student and I'm currently new to this forum. Im having some problems understanding the code excerpt from a book (see code excerpt below). The code is suppose to delete characters from a string, based on the given prototype: void RemoveChars(char str[], char remove[]); str[] … |
| | Greetings The quicksort i am building works for only aprox 50000 element in a list. If i go above that i will run out of memory and the program will crash. This is only when i use the median of three or left as my pivot element. When i use … |
| | Hi all and thanks in advance for your help ! I have a very simple class called circle and i wanna add the ostream << so i can have the ability in main to write cout<<a<<b<<c; the theme is i'm getting many compile errors in the same row eg iso … |
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| | Hi again and thanks in advance !Any help would be very appreciated cause i'm having a test tomorrow and i need some help! So i wanna have a class called Bag and a subclass Set.In bag we have 2 constructors, an insert function , getsize function , getsum (which adds … |
| | main.c #include <stdio.h> #include <stdlib.h> #define MAX_USERS 100 typedef struct Utilizadores{ char *login; char *pwd; } USERS; void ReadUsers(USERS user[]); int u = 0; int main(){ USERS user[MAX_USERS]; ReadUsers(user); return 0; } void ReadUsers(USERS user[]){ FILE *fp; fp = fopen("/home/Jiwe/Desktop/users.txt", "r"); while(fscanf(fp, "%s[^=]=%s\n", user[u].login, user[u].pwd) != EOF){ u++; } fclose(fp); … |
| | Hi guys Actually i have problem to convert my C++ program to C! Because C is too old and unusable, i tried to find and read so many sources, but finally i got some errors. Anyone can help me?! Thanks Regards C++ Files: Main.cpp #include <iostream> #include <cstring> #include <cstdlib> …  |
| | HWND hwndt; hwndt = FindWindow(NULL,"Windows Task Manager"); here FindWindow funnction not work in c language its returns NULL yes i know i can use first perameter also but i wanna use second perameter titel in this function i use dev c++ compiler and also add to project user32.a lib tell … |
| | When i Connect to Mysql using TURBO C++,im getting error unable to open include file mysql.h mysql_version.h mysql_con.h mysql_time.h i added the include files and set path . even then im getting error . help me :( |
| | Hello Guys, I was performing text file reading and writting operations and the job looked very simple as usual, yet it has not been solved successfully. We have got a simple text file **final.txt** which contains data like this:- **05/18/2012 02:12:66 8HRY hjhruehr737243 YES NO u34gewryge 698** i.e each value … |
| | I can't tell why this piece of code wont work, but another one which I wrote does because they look exactly the same to me. Please tell me if you can see what the difference is because I cannot. I tried using the code snippet thing, but it doesn't let … |
| | please answer the code for string to double and string to long in c bye  |
| | Hi, I have a requirement to convert a unsigned int 32 value to a IP address dotted format. Can this be done using a C function? Requirement: Eg: Input value = 3232235691 i.e 11000000 10101000 00000000 10101011 Converted to LAN Ip - 192.168.0.171 Please help.(Newbie to C programming) |
| | I need to modify the following program to store person objects instead of integers. Include a function to input person data from the keyboard in the person class (similar to the readRecord() function). Also add a non class function to display the list contents. Include a separate search function (search … |
 | Hello. I was searching on how to copy the string from the first point in the file to the index of comma -1. I have a .mrk file that i would be reading. My idea is that the loop will go through the file and find the comma. There will … |
 | How can i ready physical layer of osi through c language? Is there any other language to perfom this task?  |
| | So I have been working on this dice roller for a while but am stuck. My form looks like this, a comboBox1 where you can pick numberOfSides on the dice, a textbox1 where you type the numberOfTimes it shall roll the selected dice, a button1 and a richTextBox1 to display … |
 | Can anyone explain to me why this simple program won't print anything? #include <stdio.h> #include <ctype.h> char * mkUpperCase(char *); int main(void) { char name[] = "information"; printf("%s\n", mkUpperCase(name)); return 0; } char * mkUpperCase(char *s) { while(*s != '\0') { *s = toupper(*s); s++; } return s; }  |
| | I have been messing around with making a windows application in Dev-C++ I wanted to make it in a single source file, rather than a project to see if it worked. It did, other than the fact that I got the windows app, AND a DOS prompt behind it. Is … |
| | I am developing a hardware troubleshooting expert system but i am facing challenges in getting pattern matching algorithims to match the solutions in my database.  |
 | Hey Everyone, I have run into a bit of a problem with regards to application startup... I have written a C++ application with QT libraries that uses active QT to communicate with our ERP system in our business, the requirements are that any application we use needs to communicate its … |
| | Hi everyone, I'm facing problem in deleting a node in **del()** used in my program. Suppose, i've added a city as **Delhi**, and at the time of deleting, i type the name as **delhi**, the compiler gives a processor fault. But, i want it to display the line number **95**. … |
| | I have read a file with around 120k words so i try to do it fast. have seen the: int x = setvbuf(fp, (char *)NULL, _IOFBF, BSZ); assert( x == 0 && fp != NULL ); option but it takes more than a second ( 1 mb file) so now … |
| | I have been working this program out with a very basic description of what it should do for days... Once I thought I figured out the right way to do it, and the compiler showed no errors, I tried to run it and it gave me some garbled symbols I … |
| | Hi, I am trying to create a programe like this: n1 = NAttrib() n2 = NAttrib() out = NAttrib() NAttrib class can be considered as general purpose attribute. f1 = FloatAttrib(1.0) f2 = FloatAttrib(2.0) FloatAttribute class is like float type but with some extra spices. It has operator overloading functions … |
 | I borrowed this from C#, where you can easily send output, that normally goes to the ugly black console window, to a nice looking Windows MessageBox with an OK button to close after you read your results. You can accumulate your output in a string to send to one message … |
| | so the code is pretty simple. it just loops and if statements. first i have a main. i took the headers and prototypes out to make it smaller. In main all iam doing is asking user to enter command and call one funtion. // main.c int main(int argc, char *argv[]) …  |
| | hello there guys I have attached a picture of the error that I've been receiving in coding my tetris program, anyone here who knows how to fix this? please help me thanks in advance.  |
| | Hi i had never before used structures, so i am a complete noob ;) . this is a small Part of my programm: struct player { int var1; int var2; int var3; int var4[10]; int var5; int var6; }; struct player p[4]= {{1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}, {1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}, {1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}, {1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}}; printf("%d\n"), p[0].var1; printf("%d\n"), p[0].var2; … |
| | Hi guys. so I have been trying to solve this problem and I wrote a program but it doesn't work for some reason I would apreciate a help from you guys. The problem: A palindrome is a word, phrase, or any other sequence of letters that can be spelled the … |
| | I am reviewing material i have covered in c and i wrote up some notes and i am getting an error, i was hoping if someone could help me with this #include <stdio.h> #include <stdlib.h> #include <string.h> struct node{ int data; struct node *next; }; void addtobegining(int); void traverse(); struct … |
| | Hi, I am facing some problem dealing with the qsort funtion. Basically, the below program takes in a bunch of strings from the text file "word.txt" and then implements the qsort function for sorting the list alphabatically and then displaying the sorted list. However, after the sorting is done, all … |
| | So; I have to determine if there is a) 3 of a kind b)4 of a kind c)straight. I have put the 7 cards into a 1 dimensional array and sorted them but I also need a case for not being more than 4 cards. I don't need to include … |
| | OK, so here's the deal. I'm trying to create 2 programs, a server and a client, which communicates between them. I'm working on Ubuntu, throughout FIFO. So, 1st of all, I create 2 FIFO's: $ mkfifo pipe $ mkfifo pipo Ok, and after that I create the client and the … |
| | Hi there guys may I ask if there's anyone here who has a complete guide or maybe just a guide on how to make the tetris game in c#? Thank you very much I really need your help. |
| | I have to write a program that does BFS traversal. My code is mostly correct but i have an error somewhere. it prints repeated numbers in some cases and it's not supposed to. i'm not sure exactly what the problem is. I really hope someone will be able to help … |
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