19,876 Topics
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| | How to add two equations in c... I was given a hint i.e. to use sscanf and printf......  |
| | [code] unsigned int crc8(unsigned char *message) { int i, j; unsigned int byte, crc, mask; i = 0; crc = 0xFF; while (message[i] != 0) { byte = message[i]; crc = crc ^ byte; for (j = 7; j >= 0; j--) { mask = -(crc & 1); crc = … |
| | hey guys, I am a beginner and am having trouble loading data from an external data file and then loading it to the screen. It is supposed to be the temperatures from everyday for a year for 2 years. 1 column is 1930 the other 2000 This is my script, … |
| | Howdy, I need to print given path to a file. The problem is that my app is platform independent -> I can get a Win32 style path: [CODE]C:\foo\bar.dat[/CODE]. The problem is with printing single backslashes '' -> single char converts to "\char" style. I need to convert it somehow to … |
| | Hi to everyone! Does anybody know how to fix this issue? When i run the exe file in my pc, the non english characters (in my case greek) that are stored inside c code aren't displayed on the screen. (compiler=Visual Studio)  |
| | I need to make UI in C# that works with an SQL DB. I thought piece of cake! I imported my DB files to the Visual Studio (add->existing item ->browes and add) I dragged the tables to my Forms & there were automaticly buttons like New, Delete, Save, next record,previous …  |
 | Hi guys) Please tell me - why is it impossible to keep global variables in C in a processor register? thanks in advance) |
| | I am basically done with this program, but now my only problem sorting the students GPA from lowest to highest. this is the .dat file (its the ways its suppose to look like when printed out): ANNA A ADAMS 11 A STREET ALLENTOWN PA 11111 11 5.50 BOB B BRADBURY … |
| | Im not sure what Ive done wrong but I'm trying to display my array but the program keeps ending so I cant see if its actually working. Im sure its a little mistake - Any help or suggestions will be appreciated. [CODE] # include <stdio.h> # define MAX 100 int … |
| | i cant break out of this loop its driving me crazzy!! [CODE] while (1) { printf("please type in the path for the file you want to archive\n"); scanf("%s",&original_file); open_pointer = fopen( original_file, "rb"); original_pointer = fopen(original_file,"rb"); copy_pointer = fopen( archive_name,"ab"); if (copy_pointer NULL) { printf("\n copied successfull"); puts("\nenter x to … |
| | Hello, first time posting here, but site has been plenty helpful to me so far, thankyou. Am currently working on C# oleDb connections with access .mdb files for a university project, i have the start of a program that works fine in university, but when i run it at home … |
| | Hi everyone! I'm transferring my C program that I created from Linux to WindowsXP. I would like to know what I need to download/install in Windows in order to compile and successfully run the program? Also, will I need to change some parts of the source code? I used socket … |
| | Hello, I am new to C and not really sure how to do this. This program extracts and prints the rightmost digit of the integer portion of a float, and I need to convert it but I'm not sure how. [CODE]#include <stdio.h> void main (void) { float num; int rightdigit; …  |
| | i am using devc++ compiler. using c code created the window but its blank . now to write data something on it. like (say)write(create) the output of my own program into that window.in c. guide me pl.[CODE]. in this i have not inserted my own code. this code is used …  |
 | What's wrong with the program? It went wrong when i print the numbers in the lists. After i prints the last number, it didn't stop, and the program went into wrong memory. Eager for your answer: [CODE] #include <stdio.h> #include <malloc.h> #define NULL 0 typedef int ELEMNT_TYPE; typedef struct node … |
| | Hi I'm trying to extract the exponent and mantissa from a float. It seems that the most forward way would be to read the bits of the number, according to IEEE 754 ([url]http://steve.hollasch.net/cgindex/coding/ieeefloat.html[/url]). So I need to do bitwise operations to float variable. According to what I have found on … |
 | Hi guys, I am coding the solution to K & R 2nd edition. I compare my solutions with the C answer book. Sometimes i feel my code is shorter but whether it is better and whether it confirms to good coding standards is what i am worried about. So i … |
| | Hello all. I created a C program that used MySQL in Linux and now I'm transferring the program to Windows. I would like to ask what software do I need to download/install in Windows to be able to compile and run the program there? Also, when the program is already … |
 | When I run my program, I get this runtime error: [code] Windows has triggered a breakpoint in quarantine.exe. This may be due to a corruption of the heap, which indicates a bug in quarantine.exe or any of the DLLs it has loaded. This may also be due to the user … |
| | I'm trying to write a program that can win a Battleship game in fewer than 60 guesses. Since the Battleship game that I am writing this for uses a 10x10 array, I thought that first of all I would just try to win the game in 100 guesses before I … |
| | //I need help please? [CODE]#include<stdio.h> #include<iostream.h> class Time { public: Time(); ~Time(); void setTime(int, int, int); void printMilitary(); void printStandard(); private: int hour, minute, second; }; void Time::printMilitary() { cout<<"Military time: "<<hour<<minute<<second; } Time::Time() { hour=minute=second=0; } Time::~Time() { cout<<endl<<"Destructor code."; } void main() { Time wakeup, samplePM; wakeup.setTime(6, 5, …  |
| | Hi I need to have an array in my program that is defined by the user. I just need the user to enter the size of the array and then enter the integer values that they want to store in the array. I know how to declare the array myself, … |
| | Hi Can anyone Help me for the program in C Using Looping Statement Create A program That Input A number And Then Convert It in Asterisk using looping statement..eg input number 5 and the output is the 5 asterisk(*****)..help me plss...:icon_smile: |
| | I am trying to read in names and telephone numbers from a text file using fscanf. The format of the data is: 9073234 Colwer, Mrs J. 3823823 Le Boeuf, Mr S. To do this I am using the following line: fscanf(fpp,"%d %s %[^\n]s",&a,surnames[i],firstnames[i]); This works except for "Le Boeuf" where … |
| | how do i make a program that calculates the product of two vectors in C ? this is what i have but i think im doing it wrong i need some help? [CODE]#include <stdio.h> double inner(double m[ ] , double n[ ] , int size ) ; int main( int …  |
| | Talk about C++ & Allegro here, any problems and ideas are welcome! |
| | i need help with the following: make a program that gets the summation of a given number e.g. 4+3+2+1 implement it using both iteration and recursion ex. enter a positive number: 4 the sum is 10. |
| | How can I create a program where the output is name,horoscope,birthdate and birthstone.. |
| | Hmm I was lookin through a recursion program in this book i have here and the only thing I'm having trouble with is the modulus operator. I know that it returns the remainder of 2 numbers. But, suppose I have this: x % y If x > y then the … |
| | [ICODE]int main() { int count,rec_temp[]); count=read_temps(int temps[]); rec_temps=hot_days(int count,int temps[]); return 0; } [/ICODE] Can someone identify the error in this code please. I'm using Codeblocks; it says that it "expected a primary-expression bofre "int" " It says the error occurs once in the first function call, and twice in …  |
| | OK so I use the following code to get a hash of a file and print it to the terminal. I want to then add this hash to a file with other text based data in it, so I assume I need to convert to ASCII somehow. I must also … |
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| | i really don't know how to use text file i i want to know the step by step procedure... please thank you very much.. |
| | how can one read from a file (.dat or .txt) using and linked list. ie. file 1 -> after reading from this list then user enters 1 for next which would print another file. file-> and so on |
| | I have a statement in c as 3*3*3%4 and the output is 3 how is that? |
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| | Hello, I'm new to C and I'm not sure what is wrong with my code here. After I execute, I get this: Debug assertion failed! [program address] File: fgets.c Line: 60 Expression: str != NULL It's a really simple program. I'm trying to assign family data from the in file … |
| | below is the code for traversing a binary tree without using recursion but the problem with the code is we require array of pointers to store all the nodes address. in below program the parameter nodes in the function push is an array of pointers to store all the node … |
| | I'm coding a game right now and everything works great that i want to have working right now, but there's a minor bug that i know of. this is that when the player enters their name, and the name has spaces, the code just closes. here's the part of code: … |
| | Here's my problem, I am getting a bad access on a shared memory line on my producer/consumer program: [CODE]Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0xffffffff 0x00001db0 in main () at Project3.c:120 120 memset(buf, 0, BUFFER_SIZE); [/CODE] [CODE] int BUFFER_SIZE = 200; int *buf; [I]Some … |
| | I wrote this code to find the mode of an array of values. [CODE]double mode (double * array, int numItems) { int j, i, maxRepeats = 0; double mode; for(i = 0; i < numItems; i++) { j = 1; while(array[i] == array[i+j]) { ++j; } if(j > maxRepeats) { … |
| | Hi, I'm relatively new to programming and would like to know how to suspend a c++ program until another program has created a certain file in linux. While it is waiting it needs to be using a minimal amount of processing power. Hope that made sense? Cheers, Andy |
 | I'm trying to create a tree using C and print its tree traversals(preorder,inoreder,postorder) so i decided to start creating a tree first. My program accepts a characters in preorder but it doesn't print the data I entered. Could someone help me? [code] #include<stdio.h> #define MAXNODES 26 void push(); void pop(); … |
 | Hello every one! i want to create something like this (show at the bottom of this message as an attachment) but i've no clue how to create this digital payrmid. can anyone please help me with the code please? thanks for your help in advance cheers sh4rif 1 1 2 … |
| | so far the user can select a file that he want to open to be copied, is there a way of letting the user selecting multiple files to be copied to one file? i was thinking of looping around asking the user to add another file if the user wanted … |
| | Hello Im new with c++ but I'am trying to make a space invaders game.... This is a loop that is shooting... [CODE] if(skott1aktiv) { masked_blit(skott, screen, 0,0,skott1x,skott1y, 32,32); skott1x+=skott1dx; uppdatera= true; if(skott1x>639 || skott1x<0) skott1aktiv=false; } rest(10); } [/CODE] Does anyone know how to make the shoot go up instead … |
| | delete(int list) { int i, j, row; char temp_last[max], temp_frst[max]; clrscr(); gotoxy(1,21); printf("Delete Data"); printf("\n-----------------"); gotoxy(1,23); printf("Last name : "); gets(temp_last); gotoxy(1,24); printf("First name : "); gets(temp_frst); /*for(i=0; i<=list; i++) { if(stricmp(record[i].last_name, temp_last)==0 && stricmp(record[i].frst_name, temp_frst)==0) { for(j=i; j<list; j++) { temp_last=record[j+1].last_name; /*<------Error on this . line */ temp_frst=record[j+1].frst_name; record[j].last_name=temp_last; … |
| | i need help with the following: make a program that would display the nth of the fibonnaci sequence. 1 1 2 3 5 8 13 21 34 55 ... n implement it using both iteration and recursion. |
| | i have this code and its output is 54. my question is, can someone please explain to me the process of getting this certain output, which is said to be 54. thank you. :) [CODE]#include<stdio.h> #include<conio.h> int sumS (int n, int m); void main () { int x=2, y=5; clrscr(); … |
| | suppose i hv 1 txt file in which i hv declared 1 path name of particular file. i wan to recall that file by using pathname from thaT particular file.say for eg: input file(path.txt) having pathname as "C:\\gp442win32\\gnuplot\\binary\\gnuplot -persist","w".now i wan to call this file in c code in order … |
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