19,876 Topics
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| | I am trying to read data from a sequential file into an array. Here we are again at the old mortgage program. I have been doing some searching and can't seem to find the correct syntax to read the data into an array that can later be used. So the … |
| | I just started learning C++ for a computer class at my highschool. I started learning about "if" and "else" statements so i wrote a program around that. It calculates the average GPA for the semester or total (if you want it to). It also factors in AP and Honors points … |
| | I Am Working On A Project Related To Data Compression Using Huffmann Algorithm In C Language..........i Have Generated The Huffmann Codes Using Huffmann Tree.........but The Project Is Yet To Be Completed As I Don`t Know How To Store The Codes In Bits.............i Have Just Learned C. We Have To Submit …  |
 | Hi All- I've been browsing for a while but finally had to sign up to ask a question. I'm working on a little project that pulls data from a few places, Active Directory, ADAM, and an Informix Database. I've got my ODBC drivers installed and I've got my Data source … |
| | Hi there! I've developed a program in C# that calls a stored procedure in SQL server. Is it possible for a stored procedure to pass back a result set with multiple rows? If so how do I access these values in my application. Many Thanks!  |
| | Suppose I have a function like that [CODE]char OnRelease() { int i,j,k; int row[4]={PIN_A0,PIN_A1,PIN_A2,PIN_A3}; int col[4]={PIN_D3,PIN_D2,PIN_D1,PIN_D0}; char array[16]={'1','4','7','<','2','5','8','0','3','6','9','>','C','&','E','M'}; set_tris_a(0xff); set_tris_d(0x00); k=0; for(i=0;i<4;i++) { output_d(0xff); output_low(col[i]); for(j=0;j<4;j++) { if(input(row[j])==0) { do { } while(input(row[j])==0); return array[k]; [B][COLOR="Red"]//// will jump out of this function with the value I got ??? [/COLOR][/B] } … |
| | I want to write a string named output to the console screen. How do i do that? string output= "hello world" How can I write the output to the screen? |
| | Back to where I was, now I'm learning how to use fgetc properly. Does fgetc read in a character? If so I can't find my error in my code and I'm getting a a segfault. Can you help fix it and explain why it doesn't work? Thanks [code]#include<stdio.h> //declare variables …  |
| | I have a program which uses the SDL library. Here is my function which updates the input state: [code] int SDL_UpdateControls () { int qevent = 0; while(SDL_PollEvent(&event)) { qevent = 1; switch(event.type) { case SDL_KEYDOWN: SDL_keydown = event.key.keysym.sym; break; case SDL_KEYUP: SDL_keyup = event.key.keysym.sym; break; case SDL_MOUSEBUTTONDOWN: SDL_mousedown = … |
| | OK, i found this site because I did a yahoo search to calculate the parking charges and print the total, Well someone else had it already posted but once I registered I lost it. I am not even supposed to be in this class but I have to take it …  |
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| | my teacher gave me an assignment to complete the blackjack program but I have little understanding of it. I have the majority of it but i'm missing pieces. [B]NOTE: All of the sections where it says TO DO are the missing pieces.[/B] PLEASE HELP. [code=c] #include <stdio.h> #include <stdlib.h> #include …  |
| | my question is how can i make my program not to display any unique combination more that ones? //*****f04.cpp***** //Name: //Date: 02 - 17 - 08 #include <iostream> using namespace std; int main () { // #1 int a, b, c; for (c = 1; c *c <= 100; c++) … |
| | I need help on how to properly combine two programs into a single program. This is the first program: [code] int main() { FILE *input, *output; char doc; input = fopen("input3.txt","r"); output = fopen("output.txt","w"); while(!feof(input)) { doc=fgetc(input); if(doc==EOF) break; else { if(doc==';') { while(!feof(input)) { doc=fgetc(input); if(doc=='\n') goto out; } … |
| | hi,I have a problem here. [CODE=cpp]#include "stdafx.h" int main() { int speed, dist, time, force, mass, masss, accel, velo, moment; int choice, choose; char pilih, pick; do{ printf("\t\t\tWelcome to Physics (Force and Motion)\n"); printf("\t\t***************************************************\n"); printf("\t\t\tCHOOSE SECTION\n\n"); printf("\t1. FORCE\n"); printf("\t2. SPEED\n"); printf("\t3. MOMENTUM\n"); printf("\t4. END\n\n"); printf("Choice: "); scanf("%d", &choice); switch(choice){ case … |
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| | Could someone help me please? I can’t get it to work, and it wouldn’t show me salary in two significant digits for example Enter # of hours worked (-1 to end): [B][COLOR="Red"]41[/COLOR][/B] Enter hourly rate of the worker ($00.00): [COLOR="red"][B]10.00[/B][/COLOR] Salary is [COLOR="red"][B]$415.00[/B][/COLOR] Enter # of hours worked (-1 to … |
| | I have a text file which has the following format..... 129.2.3.87 18.3.6.77 5655 2333 here the first field is source ip address then destination ip address then source port and destination port there are many such entries..... i want to know how do i extract these fields using c program … |
| | Can any give me an example of c++ that ejects out the cd drive(where the cd/dvds are intserted).  |
| | I am looking for a front end/graphical user interface(GUI) in linux which supports C language as backend. |
| | Develop a program that will determine the gross pay for each of several employees. The company pays “straight time” for the first 40 hours worked by each employee and pays “time-and-a-half” for all hours worked in excess of 40 hours. You are given a list of the employees of the … |
| | I'm getting a segmentation fault when I try to run my program. It's probably because I'm not referencing my pointer to a string right, or dereferencing whatever it's called. This is basically what my code looks like. [code] #include <stdio.h> FILE *myFP; char filename[20]; char *pstr = finlename; void func(char … |
| | I am writing a calculator program in C. I need a function definition for a function called Subtract() that will allow me to calculate the difference of several numbers entered by the user also need one for division |
| | what is meant by generic linked list. how to insert and delete the elements in the linked list which is generic |
| | Hey guys, I'm new here and I'd really appreciate it if someone could help me out. My problem is that whenever i click on my local disk C:\ on My Computer, i get a "C:\ Access is denied" message. I can open my drive C:\ by typing it on the … |
| | //I tried to fix the errors but I failed. //pls do it for me....... [code=c] #include<stdio.h> #include<conio.h> void main() { int a; void scanchar(char**); int scans(char**,char*,int,int); int scani(char**,int,int,int,int,int,int); int myscanf(char *); int smyscanf(char*,char*); clrscr(); printf("enter"); myscanf("%d",&a); printf("%d",a); getch(); } static void scanchar(char **str) { extern int getchar(); if (str) { … |
| | I am using an open source library called IGI_UDP for measure the available bandwidth of a link ([EMAIL="http://www.cs.cmu.edu/%7Ehnn/igi/"]http://www.cs.cmu.edu/%7Ehnn/igi/[/EMAIL]). with that library they have provided a "Makefile" which is not an auto generated one. the following is the given Makefile, ***************************************************************** CC = gcc INCS = -I. CFLAGS = -g -Wall … |
| | I've never coded in c before but have to for a class that I'm taking. I'm using miracle c as my compiler but am having a strange error when I try to execute a program. The program executes, but the command window instantly closes so I can't even tell if …  |
| | For a school project I am doing we are required to take character input through the command line and convert the character to its ascii value. I would think, therefore, that the line of code: printf("%d",(int)argv[1]); would print out 97(ascii for a) if i were to type 'a' as the … |
| | Hello everyone, My name is Stephanie I am new to the forum I have been just reading, this is my first time actually participating in one of the threads. I must say that I have learned a great deal from this site, I have been able to fix minor problem …  |
| | Hello, I need to write a program which displays some images on the screen depending on some calculations. For example if the result of the calculation is 3 it will display an image file, if it is 5 it will display another image file. I don't even know where to … |
| | Hi... Does anyone know how can we get motherboard details using a c program for a Mac machine ? I want details like Motherboard Manufacturer, Its Model No., Its version and Serial Number. How can this information be obtained ?? |
| | Could you please help me? what is wrong with this code? it prints only D->D->D->D (I want A->B->C->D) [code=c++] #include <stdio.h> #include <stdlib.h> #include <string.h> #include <malloc.h> struct node /* Declaration of structure "node" */ { char letter[1]; struct node *next ; }; struct node *start = NULL; main(void) { …  |
 | Hey guys, I was doing my reading last night and was trying to come up with a program other than the practice assignments. It has been hard remembering all the keywords when they are given to you in the practice assignment. I came up with one and kinda got myself … |
| | The question goes like this: You are given a file in which each line contains a list of space separated words. Write a program to find out: 1. List of words that are present in all the lines (words common to all lines) 2. List of unique words that are … |
| | write a bit of code to read from a file and compare a string but it dies before it finishes. the complier tells me there is a segment fault on line 31 can anyone help. [CODE] [LIST=1] [*]#include <stdio.h> [*]#include <string.h> [*]#include <stdlib.h> [*]#define max 100 [*]struct customer{ [*] [*] … |
| | I want to store a byte from fread as type char, and then be able to perform comparison operations on that byte as an int. I have [quote] int num; char buffer; num = fread(buffer, 1, 1, myFP); [/quote] and I'm sure it's not right. |
| | I'm trying to make a program that converts octal numbers to decimal numbers. I know the concept is taking the %10 of the number to get the first digit, /10 the number then take the %10 to get the second digit and multiplying by increase powers of 8, but I … |
| | 374 / 9 = 41.6 (from calculator ) if in c++, it will become 374 / 9 = 41.555 how do i make the final calculation become 41.6 ? i've tried ceil() and setprecision(1) , the answer i got quite big different compare with the answer from calculator. answer from … |
| | i need a sample program for handling text files using c language.. i don't know the syntaxes.. please help me and provide some comments on the source code so that i'll be on track.. Things that i need: 1) How to locate the text file 2) How to input values … |
| | my program stops right before the while loop [CODE] #include <stdio.h> int main() { int pay_type_1; int overtime; int num; float commissionsale; float payperitem; float salary; float hourrate; const float commissionrate=0.057; const float commissionpay=250; const float overtimerate=1.5; printf("paytype1=Managers salary\n"); printf("paytype2=hourly worker\n"); printf("paytype3=commision worker\n"); printf("paytype4=piece worker\n"); while (pay_type_1 > 0) { … |
| | I am writing this program which I create from the console screen. I want to change it so that I can read any file from the folder. For example: in this program, I am prompting the console for the two files and comparing them. Instead, I want to compare files … |
| | I'm better at C++ than C right now and I forgot how to use arrays in functions from main. I want to do something like [quote]void fileReader(infile[] ); [/quote]. Is infile supposed to be a pointer and if so how is it written? |
| | I am fairly new to C++, as I began learning it two days ago, with some very basic background in java and python. I was trying to write a code that could simply store, recall, and delete entries in a class I named address_book. I did it first without using …  |
| | The following program is giving an error: System.NullReferenceException Object Reference not set to an instance of an object. at IgnoreKwic.GetAllLinesForIndexWords<with parameters> at IgnoreKwic.BuildOutput<with parameters> at IgnoreKwic.Main<> In the line where I wrote that I want to display the output on the screen, would this work? using System.Collections.Generic;// Adds definition of … |
| | hi everybody there......i want to access the addresses other than provided to me c compiler......can anybody help |
| | hi I'm doing a banking project using binary files I need to write into a binary file and read and calculate the amounts within it. I open a file by asking the user for their name and searching and a file. I am having trouble reading the integers into a …  |
| | hi guys, is there any gui framework for c++ which is easy for beginners |
| | hi im quite a newbie in C#, where can i download a free C# ebook tutorial? thanks. |
| | Need to work on an assignment in C for the following. 1. Changing the size of the cursor 2. Placing the cursor at an appropriate position on screen. 3. Drawing any graphics shape on the screen 4. Receiving a key from the keyboard 5. Checking the memory size of the … |
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