19,876 Topics
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| | I am working on a program in C right now that deals with linked lists. Here is the assignment statement: [INDENT]"Write a C program called Assignment4.c, that creates a linked list of Customer data. Each entry in the list is to have the customer’s last name, first name, id (int), … |
| | This is not a homework problem & my first post in 2+ years. I just got asked to do this in C# based on my asp & DB experience & I am tearing my hair out as they want in done in one day & 2 MS videos say to …  |
| | Anyone got anything about reading a sequential number from text file per line and parsing it to an array in C? SequentialNumber.txt 12 3 45 6 7 8 3 5 6 7 7 0 -1 4 5 array1[] = {12, 3, 45, 6, 7, 8}; array2[] = {3, 5, 6, …  |
| | Could you check this C language Code... The Output is not complete... it doesnt print the firstclas name n id? my assignment is Write a complete C program that will meet the following requirement: • Create student detail must contain each student’s name (as a string), id (as integer) and … |
| | This is the error I have been receiving when trying to compile my code: [QUOTE]blade71(45)% gcc -o trim trim.c Undefined first referenced symbol in file getline /var/tmp//ccYdyoM3.o ld: fatal: Symbol referencing errors. No output written to a.out collect2: ld returned 1 exit status [/QUOTE] My source is only a rough … |
| | is there anyone who knows how to remove numbers and coma's from a text file  |
| | Hello. Please, say, how can I obtain a contact's Birthdate? The standart export from Addres Book does not export it. If I'm writing a code,(using that from [URL="http://www.daniweb.com/forums/post996454.html"]http://www.daniweb.com/forums/post996454.html[/URL] ) there is a property PR_BIRTHDATE. How do I convert it to the text string and write anywhere, like Edit3.Text = lpProp->Value.(something … |
| | [ATTACH]11812[/ATTACH] hey guys can some one pls show me a away to how rite this program...i have made as many attempts as i could...i m not lazy its just tht i donot knw wht to do....i just want to knw how to compute the formula...i knw the other steps...so if … |
| | Hi ! Could somebody help me how can I import email addresses from Windows Address Bok (wab) file programatically ? The simplest code would be the best one, as I was able to found several but far too hard code to understand the hole issue. Many many thanks for anybody …  |
| | dear all, I have a problem at the following code that causes a segmentation fault and don't know the reason: [CODE] char * cString (char letter, char * string) { char *first= string; char *point= string; while(*string!='\0') { if (*string!=letter) { *point=*string; //segmentation error point++; } string++; } return first; … |
| | I have a struct WRITER and I made [CODE]typedef WRITER* WriterPtr;[/CODE] also there is another struct called BOOK and a [CODE]typedef BOOK* BookPtr[/CODE] in my BOOK struct I have a [CODE]WriterPtr writerPtr; //pointer to the writer struct[/CODE] now I have a func: [CODE]void choiceA(BookPtr parr, int n,WriterPtr *pWriter, int *psize)[/CODE] …  |
| | So heres the problem. My Grandmother needs to look up stocks, but she has trouble using "FoxFire" to look it up. I need a way where she can enter the name of the stock she wants, and the program enters it into a google search and searches for the stock. … |
| | I am getting this error message, but I am not sure what I am doing wrong? Here is a edited snip-it of my code - [code=c] void WriteProgram(clientProgram *ptrToProgram, int *ptrTotalWkOuts, int *ptrNumOfEx) { int wkOut = 0; clientWorkout *ptrToWorkout; int *autoPopulate = (int *) calloc(1, sizeof(int)); clientWorkout *ptrToFirstWorkOut = … |
| | Hi , i am using the following function to verify whether a given tree is balanced or not. its working for some inputs and not working for others 1) 15 2) 15 10 3) 15 10 25 ( the above are balanced ok) 15 10 25 7 12 16 11 …  |
| | The regular shell allows a user to run a process in the background by ending the command with an &. I was asked to write a C program to do a similar job above. How can i write a background process ? Many Thanks !! |
| | how to make a program that will ignore the highest value and the lowest value, but will get the average of the remaining values.. for example: there are 6 inputted grades, then the 4 middle values should get their average.. and will ignore the highest and lowest..? :) |
| | Hey! Im new to this C++ stuff and the first major problem I run into is a two dimensional array. I have to declare the array and store data values from ANOTHER data file. I have some of the code written down. Please help and tell me what I'm doing …  |
| | Hi, I was honing my linux programming skill when this nuisance started bugging me. I wanted to create an empty file creator program. While creating a large file it must print # for progress bar. But the output shows it happening reverse way. ie. first it copies file and shows … |
| | Bellow is the piece of code that causes Segmentation Fault: (in Linux Segmentation Fault is usually due to illegal memory access) else if(intData==3) { FILE *fp; int ch; if((fp = fopen("file.txt","rb"))==NULL) { printf("Cannot open Source file.\n"); exit(1); } while((ch = (int)fgetc( fp )) != EOF) { printf("%s",(char*)ch); send(client, (char*)ch, 1,0); …  |
| | Program needs to read the students' first name,last name and test scores.Suppose that class has 20 students.Use an array of 20 components of type studentType. Output : last name followed by comma,space first name , score, revelant grade, and find the highest test score, print names of the students having … |
| | This code was originally for an assignment. I met the requirements of the assignment but wish to expand the code to further check for valid input. I am quite new at this but trying to learn... Anyway, the problem is this. I can check if the float is non-negative with … |
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| | Error: assignment makes integer from pointer without a cast ..i want to build an student database using linked list and in c language...but i am unable to create nodes for each variable like age,name,...i did not post the entire program but the concept is in the code...plzzz help..just tell me … |
| | Hi, I have a struct that contains many different datatypes including arrays of other stucts, ints, floats, chars, char arrays etc. I have dynamically declared a ptr to the struct in main. I then pass the ptr deep into my functions and sub functions. It is a struct that holds … |
| | does windows OS come with any built-in c compiler? without downloading any compilers can it compile c or any other language? |
| | [code]void swap (int *first, int *second) { int temp = *first; *first = *second; *second = temp; } int main () { int i = 5, j = 6; swap (i, j); printf ("i=%d j=%d\n", i, j); } [/code] warning: [37] $ gcc -o ex321 ex321.c ex321.c: In function `main': … |
| | Can some help me with a random between two choices ? Something like: L = random(A, B); and in L to have A or B. Thx.  |
| | I am using the file ex3test.c to run the following program, but the UNIX gives the errors: [38] $ gcc -o ex3test ex3test.c Undefined first referenced symbol in file discrete_uniform /tmp/scratch.hYayTQ/ccRDoT1o.o printFirst /tmp/scratch.hYayTQ/ccRDoT1o.o addToList /tmp/scratch.hYayTQ/ccRDoT1o.o printSecond /tmp/scratch.hYayTQ/ccRDoT1o.o disparity /tmp/scratch.hYayTQ/ccRDoT1o.o clearList /tmp/scratch.hYayTQ/ccRDoT1o.o ld: fatal: Symbol referencing errors. No output written to … |
| | [CODE]int main() { int assignment1[30]; " "; int assignment2[30]; " "; int assignment3[30]; " "; int assignment4[30]; " "; int assignment5[30]; " "; int assignment6[30]; " "; char totalPoints = "assignment1; + assignment2; + assignment3; + assignment4; + assignment;5 + assignment6;"; printf(" Grade calculator ... By Geoffrey \n\n"); printf(" Please … |
| | hhmm.. are there functions to get mode and frequency in turbo C? :-/ |
| | Hello! I wonder how and where can I see a sqlite database that i have created in c++, if it is possible at all? I would like to see if the db exist, and what are the inputs, to check if i have inserted valuations properly.. Thank you. T :) |
| | I try write about binary tree , but i have some troubles , I insert some symbols into binary tree by 2 function insertLeft () and insertRight () ...When i display the symbols i see to lack some symbols .. who can help me ???thank very much [CODE]#include<stdio.h> #include<conio.h> #include<string.h> … |
| | Hi guys, I was running a simple code on Fedora 11. it has this error " segmentation fault". The code is too simple to have any mistakes........ Can anyone help me with this? What is this "segmentation fault". Thank you very much. #include "stdio.h" int main() { int T[1001][4001]; int … |
| | Can you return an array of structs in a function? I'm supposed to make a linked list where the node contains an array of structs. I'm using a grocery list thing as my array of structs. [CODE] struct grocery{ char *name; float price; }; struct node{ struct grocery list[5]; //no … |
| | Hello! Could You please help to solve this? My question is how to reverse a number in decimal notation using recursive function. 1234 => 4321 2 => 2 20 => 0 20000 => 2 (yes!) 0 => 0 The maximum length of test input is 5 numbers. No need to … |
| | Currently I am reading this book -> Microsoft - Programming Windows API 5th . But it was released in 1998 . The very first Hellowin program in this book seems incompatible with xp sp3 (it didn't mention something that needed to be #defined). So can someone point me to a … |
| | I was just wondering if anyone could help me get a good compiler for C. Im taking a intro to c class and my compiler is not the greatest. The key word is i need a good free one. If anyone know of some good ones please let me know …  |
| | I am trying to print out hello fred and I managed only to print out hello. what change do I need to make to print fred too. [code] #include <stdio.h> #include <string.h> #include <stdlib.h> // // A short program to print the string "Hello, Fred" // int main (int argc, … |
| | Hi friends, Now I feel that I am pretty good in C. Want to do something really interesting.Does any one have ideas of creating useful 'softwares' in C :) Pls guide me.. |
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| | Hi, In c if I have a return value and do not catch it, will this cause any problems in my program? Or should I just catch it in some dummy variable and discard it? In spite of googling.. I can't find any info in how c behaves in this … |
| | Okay, I am working on a homework assignment for my class in which we are supposed to use pointers for all of the arrays in the functions. Here is what I have so far for the printArray function, which is supposed to print the members of the array horizontally. It … |
| | So, I am learning C and have this newby problem. This is my snippet: [CODE] #include <stdio.h> main() { char x; unsigned y; x=0xFF; y=0xFFFF; printf("Size of char: %d-bits\n", sizeof(char)*4); printf("Size of int: %d-bits\n", sizeof(int)*4); printf("\n0x%X in decimal: %d\n", x, x); printf("\n0x%X in decimal: %d\n", y, y); return 0; } … |
| | #include <iostream> using namespace std; class Fraction { public: Fraction() : num(0), denom(1) {} Fraction(int num, int denom) { setNum(num); setDenom(denom); } int getNum() const { return num; } int getDenom() const { return denom; } void setNum(int num) { this->num = num; } void setDenom(int denom) { if (denom) … |
| | I'm having trouble figuring out what exactly I'm missing in this Byte reversal method. For example is should take 0x01020304 and flip the bits to 0x04030201. I've attached my output giving the errors and here is my code: [CODE]/* * reverseBytes - reverse the bytes of x * Example: reverseBytes(0x01020304) … |
| | I am having trouble understanding how to implement these problems in C using bit operators. I understand the basic logic gates and when I work them out on paper they work just not code wise. Any insight/help would be great. [code=c] /* * bitXor - x^y using only ~ and … |
| | the following escape sequences cause [] in listview. Is there any way to fix it? Form1.cs : [CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace newLineInListView { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, … |
| | hi guys, Is there any tool for C# that shows the running fragments of source code at runtime or at least facilitate the navigation into source code I mean reading the source code.  |
| | I want the following. Write a program that implements the FIFO and LRU page-replacement algorithms ( Virtual Memory) 1) Read the size of reference string from keyboard 2) Generate a random page-reference string where page numbers range from 0 to 9 3) Create a input file with generated reference string … |
| | Info :Compiling C:\tmp\lab2.cpp Warn : lab2.cpp(56,16):Possible use of 'choice' before definition Error: lab2.cpp(60,5):Type mismatch in redeclaration of 'mainProgram()' Error: lab2.cpp(60,5):Declaration syntax error Hi everone, I am new to C++, please help. After I compile (using borland V5.02), I got these above prolem, please let me know what's wrong and this … |
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