19,876 Topics
 | |
 | Hi guys and gals. How can I find write or open for example? I tried man write and man open but those were not the pages I was looking for.  |
| | I am trying to parse the FAT filesystem & I notice that many of the fields are more than 2 bytes. I was reading someone's program and he has defined unsigned short for a given field of 2 bytes. Now, my question is how does the compiler handle endianness? If … |
 | Let's say I have 3 text boxes called item_name,item_price,item_type. And there is a listbox that has the item_name and another list box that has item_price, another one with the item_type. Let;s say we want to click on the item_name. After clicking on the item_name list box's first item. how to … |
 | Is it possible to use tilde (~) in C preprocess directive in the following way? #define a 1 #if ~a==0 ... #endif Generally, I want to know how we can ~ in preprocessor directives?  |
 | Hi all, I have this if condition which never seems to be true, but should be! It's the part in the code where I pull the String^ from textboxes (the regUsername textbox) and compare the inputted username with the first word from every text file line. So every text file …  |
| | Hi people. I'm trying to run whoami using execv but I'm getting a problem: --- CHILD PROCESS --- child PID: 3146 parent PID: 3145 execv: Permission denied child exit code: 1 I already have certified myself that I have run permission for whoami for all users. I don't know what … |
| | Hi, In the following program i have not defined <stdlib.h> header and included rand() function and it works without this header. How? #include <stdio.h> #include <stdbool.h> #include <time.h> #define NUM_SUITS 4 #define NUM_RANKS 13 int main(void) { bool in_hand[NUM_SUITS][NUM_RANKS] = {false}; int num_cards, rank, suit; const char rank_code[] = {'2', …  |
| | I want to create binary tree. With this program I wrote I have some problems. It seems the element I added to the tree is always added to the root place! Adding never happens to the left or the right subtree. This thing is prooved by result I always get … |
| | i want seprate 1234 like 1,2,3,4 when i give 1234 then this code works fine but if i give long int like 34545666 this code does not work. int main() { clrscr(); int num,r,c,sp,x; printf("enter number"); scanf("%d",&num); while(num!=0) { x=num%10; printf("%d",x); num=num/10; } |
| | Hello i'm getting theses to error with my sql code can anyone help me ot at all i'm really lost and can't find much to help where i'm going wrong.Code is below Error 3 The best overloaded method match for 'System.Data.SqlClient.SqlCommandBuilder.SqlCommandBuilder(System.Data.SqlClient.SqlDataAdapter)' has some invalid arguments Error 4 Argument 1: cannot …  |
| | Guys, Am trying to open a file and read the content in that using C from mainframes. Here is the code, #include<stdio.h> int main() { int i; FILE *fp1; fp1=fopen("**********.CPP.SAVE","w"); if(fp1==NULL)return; for(i=0;i<256;i++) { fprintf(fp1,"%c",i); } fclose(fp1); return 0; else { printf("File does not exist"); } } Only the else part …  |
| | I'm a student. My code is skipping over my printString function when I run it. Pardon the poor spacing. #include <stdio.h> #include <string.h> #include <stdlib.h> char * reverseString(char * original); void printString(char * string); int main() { char a[] = "this is a test \0"; char * b = a; … |
 | I wrote this code that checks whether a number is prime or not. It returns 1 if the number is prime or 0 otherwise. U just look at the bottom of the code... [CODE]#include<stdio.h> #include<conio.h> #include<assert.h> int is_prime(int n); void main(void) { int n=0; clrscr(); printf("An integer "); scanf("%d",&n); assert(n …  |
| | Hello experts, I have this code which works so perfect while detecting square objects from images which are downloaded from internet. However, when I am taking the image of a square object from my webcam and processing, its not turning out to be as expected. I am suspecting, the reason … |
| | Hi , I am trying for a program which takes any no of characters as input and stores, so obviously i would need DMA. My approch is to Take a buffer of some fixed size(5 in this case) Fill the buffer till the fixedsize-1 Allocate memory dynamically and store the … |
| | How to handle null values in C#. When I am entering characters in a char array i want to leave some values blank or empty (null). But when i do that my program terminates giving me an error. The error is shown in the pic below. What should i do …  |
| | Hi, I have a problem that wants to be calculated only by while loop. (no other loop, no goto, break) Develop a program that will input the miles driven and gallons used for each tankful. The program should calculate and display the miles per gallon obtained for each tankful. After … |
| | When a simple-escape-sequence like '\n' is evaluated, what would be the result? Is it ASCII 10? How I can show ASCII 10 as a character? Isn't it '\n' again? I am confused! Can someone please help me with the issue? |
| | I want C program for Parse I and Parse II of an assembler...???* C code for parsing assembler for IBM 360 machine... * |
 | > /* This code works when the added chracter's value is less than or equal to 9. I mean when there is a carry,what will i do to print that. And there should not be used any library function. Run the program and you will understand clearly. */ #include "stdafx.h" … |
| | #include <stdio.h> #include <conio.h> #include <stdlib.h> #include <process.h> #include <string.h> #include <math.h> int count = 0; typedef struct bitmap24 { unsigned char header[54]; unsigned char* pixels; }BMP; void readBMP (char* filename) { int i; FILE* f = fopen(filename, "rb"); FILE* f1 = fopen("save.bmp", "wb"); FILE* pixelVals = fopen("vals.dat", "w"); unsigned … |
| | I'm writing a program to multiply two 4-bit number using add and shift method in C language. The code is as follows: #include <stdio.h> #include <math.h> int main() { int d,p=0, y=1010, x=1101, c, i; for(i=0;i<=3;i++) { c = x % 10; y = y << i; d = c*y; …  |
 | Hello I am having problems completing thi code in C# can someone please tell what I am doing wrong.I ge Error Error 1 Program 'C:\Users\stacey ann loretta\documents\visual studio 2010\Projects\EmployeeEceptionDemo\EmployeeEceptionDemo\obj\x86\Release\EmployeeEceptionDemo.exe' does not contain a static 'Main' method suitable for an entry point EmployeeEceptionDemo using System; using System.Collections.Generic; using System.Linq; using System.Text; …  |
| | I'm having problem with passing argument to the linked list. I wait for user input then I parse this user input and put parsed tokens into dynamic array (char **c) After that I need to write ceratin user input into linked list (for example I need to pass c[1] to … |
| | PROBLEMS 1.AFTER INPUT IN PHILHEALTH CONTRIBUTION PROGRAM CRUSHES. 2.AFTER INPUT Y or y in delete employee data PROGRAM CRUSHES. 3.AFTER REGISTER EMPLOYEE AND GOING TO VIEW EMPLOYEE PROGRAM CRUSHES. SAME ERROR A WINDOW WILL POP UP AND IT LIKE THE WINDOWS ERROR. #include <stdio.h> #include <string.h> int InformaticsPayrollSystemMenu(); int main() …  |
| | #include <stdio.h> #include <string.h> int InformaticsPayrollSystemMenu(); int main() { char fname[100],lname[100],sex[100],con[100],dob[100],ans; int empnum[100],pay[100],payrollSystemMenuChoice,choice,emp,edit; int i=0,found=0; float rate,week,weekyear,ot,abs,weeksal,monthsal,annal,sss,pagibig,phl,tax,netpay; system ("color 0A"); system("title INFORMATICS PAYROLL SYSTEM"); do { payrollSystemMenuChoice = InformaticsPayrollSystemMenu(); switch(payrollSystemMenuChoice) { case 1: { found = 1; printf("\n\t\t******************************************"); printf("\n\t\t********* REGISTER NEW EMPLOYEE **********"); printf("\n\t\t******************************************"); printf("\n\t\tNOTE:Please fill up the form properly … |
 | As for my assignment I had to write a program to swap 2 digit number Example:- If user input 12 the swaped number Would be 21. Along with ALgorithm, and a short description on this program(As how will you solve this program or what measure you'll take to get desired …  |
| | **I have this timeissorted.c file, and right now it's running at around about 8397599 usec. I'm looking for help toward improving the performance of this code to make it run faster.** #include <stdio.h> #include <stdlib.h> #include <sys/time.h> #include <stdlib.h> static struct timeval start_ts, end_ts, diff_ts; void startClock() { gettimeofday(&start_ts, 0); … |
| | #include <stdio.h> #include <stdlib.h> #include <string.h> #include <conio.h> int main() { printf("\t//*****************St.Jago High School******************\\ \n\n"); printf("\t------------Courtney Athlone St.Michael Reid---------------\n\n"); printf("\t^^^^^^^^^Computer Science IA-Pay Roll System^^^^^^^^^\n\n"); char fname[50]; char lname[20]; printf("Enter the employee's First Name:\n"); scanf("%s",&fname[50]); printf("Enter the employee's Last Name:\n"); scanf("%s",&lname[20]); } int add_hours() { printf("\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n"); printf("\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n"); int hours; int mo, …  |
| | Hi there, I'm currently working on a project that requires for me to print out data about a hexadecimal. It needs to print out signBit, expBit, and fracBits. I have tried to look onine but I haven't had any luck finding something useful. These are the requirements: Your code will … |
| | Im trying to get my program to do z=x*y and z=z+5.0 but not sure what I am doing wrong. #include <iostream> using namespace std; // Declaration: Tells the compiler how a function is called int multiply(int x, int y); int main() { // You can compile a call to the … |
| | Would this be considered as a Subrountine problem? My program runs but I feel like it is missing something else. #include <iostream> using namespace std; void getData(int, int, int); int main() { int x,y,z; cout << "Please enter first number: "; cin >> x; cout << "Please enter second number: … |
| | #include <stdio.h> #include <float.h> float grosssalarycalc(float value1,float value2){ float gsalary; gsalary=value1+value2; return (gsalary); } float ovtmpayoutcalc(float value1){ float ovtmpayout; ovtmpayout=25*value1; return (ovtmpayout); } float netpayoutcalc(float value1){ float netsalary; netsalary=value1-(value1*0.20); return (netsalary); } int main() { char name[32]; float ovtmpayout0,gross,net,ovtmhrs,salary; printf("Payroll Calculation Program\n"); printf("Employee, please enter your name:\n"); scanf("%s", name); printf("Employee, … |
| | How do I turn my problem to have suboutine. Not so sure how to do it. #include <iostream> using namespace std; int main() { int x,y,z; cout << "Please enter first number: "; cin >> x; cout << "Please enter second number: "; cin >> y; z = x + …  |
| | |
| | Please! i need help on this . it suppose to cut the original linklist of head hp such that the sumM <=m and sumV <=v . this is part of a program that reads an input file of itemsets where each item has cod volume mass . then you key … |
| | Hi people. I have a remove function that should set a hide member of a node to 1 instead of actually remove the node. The function works well when I insert and remove top and tap respectively (both nodes have their hide member set to 1) but when I insert … |
| | Hi everyone. I'm tying to understand the instruction below. I wish someone could explain me what it means: tree->destroy(((AvlNode*)(*position)->data)->data); // destroy the left branch of the binary search tree starting from the specified node static void destroy_left(BisTree* tree, BiTreeNode* node) { BiTreeNode **position; // can't remove from an empty tree …  |
| | I have Dev-C++ as an IDE and MinGW as the compiler, and I am running C programs on the IDE. I have this project where I have to write raw PCM data (unsigned 8-bit i.e bytes of PCM) as an array. I have figured out the reading part but when …  |
| | Hi, Can somebody write a sample code to reverse a string using recursion. Basically a function which takes string as input parameter, reverses the string using recusrion and returns back the reversed string to calling function. Thank you Naveen |
| | I cant figure why my program is not running it compiles with no errors but doesnt run, am bearly starting to learn c , am more proefficient in java but its wierd changing, i use vi to write my code. heres a snipet #include <stdio.h> #include <stdlib.h> #include <time.h> #include … |
| | How to store the elements and display?? struct A{ int level; char name[20]; struct b *a_b; }*d[3]; struct b { char name[20]; struct b *next; }; |
| | I'm currently making a DLL with a collection of code snippets that I find myself commonly using. I have made a search functin that checks if one string is inside of another string. I have also added a vector choice in the case that I want to search many strings. … |
| | Recently, I saw somebody start a "Deal or No Deal" game in the Posting Games section. This got me thinking of writing a program to actually play the game based on the rules of the show. So I spent a couple of hours writing this in ANSI-C. I probably should … |
| | I recently wrote a program to determine my current working directory using getcwd(). getcwd() returns the starting address of the character array supplied by the programmer. I have written a very simple program and as I am not an experienced C program can anyone mention what I can do to … |
| | Basically I'm supposed to make a program that copies the Unix -wc command. Flags -l, -w, -c, and -L are supposed to display # of lines, # of words, # of characters, and # of characters in line, respectively. I am having trouble reading in a text file (first time … |
| | hai , I am using turbo c compiler, the system() function always return -1. i can't run any dos command using system() function i can't use system() properly please help me !!! ex: [CODE] #include<stdio.h> #include<conio.h> #include<stdlib.h> void main() { int i ; i=system("dir"); printf("%d",i); getch(); } [/CODE] |
 | this is an exam question i failed to answer properly, im trying to work it out. the code i came up with is below, it works ok, but i was hoping if anyone could help in improving it. iv read in various threads in daniweb itself about making a code … |
| | I'm working on a horse race. So in my program, a random number is produced. This random number can be 1 through 100. If the random number is 1-35, then horse one will be the winner. If the random number is 36-47, then horse two will be the winner. It … |
| | I was wondering how the compiler searches for a file using just the name of the particular file. The function argument that should be supplied is the file name in double quotes and mode i.e. read, write etc. What if there are two files of the same name but in … |
The End.