19,876 Topics
 | |
| | hello. i have been studying C++ and i programmed the following. can any one convert this in C language please it is urgent. [code] # include <iostream> # include <iomanip> # include <windows.h> #include <conio.h> using namespace std; void pw (int,int); void swap( double&,double&); void main() { double arr1[10][10],arr2[10][10],arr3[10][10],d,d1,d2,d3,X,Y,Z,x1,x2,x3; int … |
| | |
 | Hi, This is my first post in daniweb! I've two questions: First question: I'm currently studying about classes, and could get '=' overloading format: [CODE][COLOR="Red"]T&[/COLOR] T::operator =(const T& b);[/CODE] Why we set it to return reference? what's the use? Why couldn't simply be: [CODE][COLOR="red"]void[/COLOR] T::operator =(const T& b);[/CODE] I've used … |
| | HI the prgram below request a user to enter 3 character id number and interger age. a function must be used that tells the user how many years to retirement. i must pass the age and print a message in the function. retirement age is 65 for persons over 45 … |
| | Hi there, hope you guys are having a good start of 2011. I want to download the html code of any article on wikipedia. I am able to find wikipedia's ip and establish a connection, but how do i reach articles? also i tried using send() and recv(), i was … |
 | [CODE] //myMalloc.c #include<stdio.h> #include<unistd.h> #include<stdlib.h> void *newMalloc(size_t vol); void newFree(void *adPtr); void save(); void search(); void *findSpace(); void freelist(); static int buf[12500]; void *newMalloc(size_t vol){ // some code } void save(){ // some code } void search(){ // some code } void newFree(void *adPtr){ // some code } void *findSpace(){ … |
| | what would be the formula in getting the Hundredth's place, tenth's place, and one's place of a 3 digit integer??  |
| | hi how are you ? i have project in loop but i dont know how to solve it ? Write a C program to read results of class of 20 students. Each student has 4 results, distributed as follow: • Test 1 25 % • Test 2 25 % • … |
| | good day and a happy new year to you folks. im trying to copy the contents of one text file to another text file but i cant seem to get it right. written below is the code im using but it does not seem to work. any help please? [CODE]#include … |
 | Could anyone please explain what exactly bootstrapping is? As far as i know it is something related to "the compiler for C itself wriiten in C" |
| | hi! iam a newbie how can i get the 10th, 100th, 1000th place for example: the interger is 1235, the ones place is 5, the tenth place is 3, the hundreds place is 2, and the thousands place is 1, please help me and how do you program it at …  |
| | What's the C# equivalent to "System.setOut(new Logger(System.out));" in java? Basically with that line of code each line thats printed in the console prints the current date + time, etc.. Thanks.  |
| | OK So I am learning c++ and I have created my design using the windows forms, I now have to do the coding, I have implemented a code which is returning a nice amount of 102 errors, Any help would be appreciated or rewarded. I look forward to learning from …  |
| | Hi everyone. I am an undergraduate student of mechanical engineer and i am trying to make a program that will convert a decimal number to a binary one and a hexadecimal one using c . The problem is that i am not familiar with c at all. I am only …  |
| | Hi everyone, I've been working with pointers for quite some time and I'm familiar with all the pointer-reference stuff. One of the things I don't get is the function of the delete keyword. I have used this code to find out what the delete keyword does. [CODE]int main(int argc, char …  |
| | The class should be capable of storing, manipulating and printing dates. Dates can be initialized by assigning 3 numbers - the day, the month and the year (initially restricted to any date after 1st January 1900 and before the year 3000) e.g. `Date d1(26,3,1999);` Dates will be printed by either … |
| | Hi, my tutor has set a coursework for us and i need help with a small part of the coursework. A small program where some one tests new programmes or you can call it benchmarking :) Basically there are 20 programmes and he sets them each of them mark out … |
| | hi guys,Iam learning the c language and still a green one really.I have this program am trying to develop using code blocks 10.5.Th code is as follows; #include<stdio.h> #include<ctype.h> #include<stdlib.h> struct secguard { char first_name[40]; char Last_name[40]; char gender; int age; int ID; char start_date; int work_rec; }; void main(void) …  |
 | c sharp code for mouse control using eye contact is my project tittle pleasw any one help me!!! |
| | Given the declaration double dbl_num = 123.456;, write a program that prints out the value of dbl_num in both floating-point and scientific notation formats. |
| | hey all, first post of a beginner coder ;), I keep geting the following error : conflicting types of 'graphic_choice'.. its not a warning so it wont compile. I haven't finished case 7 so that may have some syntax issues. hope this isn't to big of a code block? i … |
| | Hi there, I was wandering if anyone can give me a brief explanation on how to connect my C application to the Internet. What i would like to do in the end is to access a web page trough the application and have means to read the html code behind … |
| | And yet again here I am asking for help. Thing is, two times I've came to this forum too find guides as answers and since I've always been pointed in the right direction, I humbly ask for guidance one more time. I've been trying to study graph's and been using … |
| | Hi everyone, I'm new here ... haven't had my warm welcome yet ;P So i need your help with my program. I'm supposed to program a simulator of the reader writer problem without using threads. So i thought i could use a timer to interrupt the running process every 2 … |
 | Hi! I've got this structure struct *cell{int row,int column,int distance, struct cell *next}. By calling a function, I fill a linked list . The problem is that I cannot find how to delete the nodes that have the same row and column.Let me provide an example. Let's say that the … |
| | [CODE] /usr/lib/gcc/i486-linux-gnu/4.4.3/../../../../lib/crt1.o: In function `_start': (.text+0x18): undefined reference to `main' collect2: ld returned 1 exit status [/CODE] Can anyone guess the reason for this error. It is not displayed as an error. But the programme didn't get compiled. |
| | i'm wondering how to use a function named timer(); while executing another function at the same time??? can anyone help me with this?? i researched about threading but it's too complicated for me |
| | Hey guys,I admit I do commit Mistakes But this piece of code got well executed in my college (USED TURBO C++) But in my home PC (UBUNTU) Its not getting COMPILED [CODE]#include<stdio.h> /*header*/ //#include<conio.h> /*header*/ #include"maths.h" int main() { int rur1,rur2,b,a,c,x,y; int d; //clrscr(); printf( "Enter the value of A … |
| | Ok so ive been writing code for a web server to return requested files, It works well for html and txt files but when an image is requested all i recieve is the url of the file... In firefox in conqueror i dont get anything. All i do is read …  |
| | hey guys , its my first but hopefully not last post , i have this wordcounter(actually recepie reader) project it looks for the word "csoki" given in input and then if it finds it it asks perfcentage of "csoki"(short for chocholate in my lang) and stores the value in array … |
| | im reading a text file that contains data in a fashion similar to this $1.2.3.4.5.6$ %7.8.9.10.11.12% *a.b.c.d.e* what i want to do is read only data enclosed by '$' and skip to the next line if the data contained are not. written below is my code. im kind of stuck … |
| | I have a unit conversion program that needs to take in a float and 2 strings from standard input. My previous solution was: [CODE] float orig_quant; char *orig_name = (char*) malloc(MAX_CHARS); char *new_name = (char*) malloc(MAX_CHARS); fscanf(stdin, "%f %s %s", &orig_quant, orig_name, new_name); [/CODE] However, this only works if the … |
| | Dear friends, hello to you all as this is my first thread - question to the forum. This is my problem, which is a school exersize: I create a linked list which contains three numbers r,c,d per node From this list I have to create a hash table htable[7] with … |
| | I have to read text file line by line to multidimensional array. I have this code: [CODE] char *data; data = (char*)malloc(size_d); while(fgets(data, size_d, fp) != NULL) { printf("[%d] %s ", strlen(data), data); } [/CODE] I want to put every line to char array. Some suggestions? |
| | [CODE]typedef struct{ char *name; bool exists_in_sys; convert_table *data; } unit; float orig_quant; unit *orig_unit = (unit*) malloc(sizeof(unit)); unit *new_unit = (unit*) malloc(sizeof(unit)); printf("Enter original quantity, original units, new units\n"); fscanf(stdin, "%f %s %s", &orig_quant, orig_unit->name, new_unit->name); printf("Original unit: %s\n", orig_unit->name); printf("New unit: %s\n",2) new_unit->name);[/CODE] OK, so I would like to … |
 | Hello to all Actually I want to handle the usb interrupt from c program ....... For example when some one insert usb drive in pc then my program call certain function ..... I try too search in google but i did't get any help i know little about software interrupt … |
| | Hi, I’m starting out on C# and need some guidaance. My goal is to develop applications that will control/take measurements/gather data from RF lab instruments (signal generator, vector network analyzer, spectrum analyzer). My issue is to what commands are used by C# to actually talk to the instruments? In my …  |
| | I am trying to create an abstract data type for matrices. I have a function matrixInit to dynamically allocate memory for the structure and for the array. matrixCopy copies one matrix into another. there are functions to subtract, add and multiply matrices that return a pointer to memory where the … |
| | Can anyone help me solve this problem? pass by reference/value and file i/o should be used.. Write a C++ program which will read in a list of numbers, find the average of all numbers, the average of thepositive and negative numbers, and the largest element. Your program should contain at … |
 | Hi, I am using a C program to open and scan a file containing rows of x,y coordinates. But I need to use the same program to open different files having different number of rows.Therefore, I cant fix a constant number for the array. This is what I have used: … |
| | |
| | Frame complete game, only the outer edges of a square drawn on the table is a game played with 2 players. Sequence of a square drawn from the player wants to draw a non-edge. Underline that this edge of the square is not the last edge of the square is … |
 | Okay I have a datagridview with multiple rows and columns of data. I set the grid to Readonly == true by default, but have a method that when the user double clicks the datagridview, it's gets the current cell the user is clicking and then uses this line of code … |
| | It,s me having the same problem.. I want to pass some parameters from the main method to some other method. u cannot declare any variable names or pointers. I'm having an array of int with size 12500. if u want any variable or a pointer, use array blocks for it. … |
| | hi does anyone know any good tuorials about file managment file copying file storing etc and also tutorials on end of files, storing eofs and string manipulation thanks it would be much appreciated |
| | write a program to get a 2 d character array and arrange them in alphabetical order. i've tried it,but its not getting compiled. im jus a beginner.so, someone plz help me. given below is my program.... #include<stdio.h> #include<conio.h> #include<string.h> struct st{ char a[5][10]; }ppl; int main() { int i,j; char … |
| | |
| | Hi! my dear all. [CODE]#include<iostream.h> #include<stdlib.h> #include<fstream.h> #include<conio.h> #include<stdio.h> class payroll { private: char address[50]; float basic,allowence,deduction; public: void add(void); }; void payroll::add(void) { clrscr(); int e_no,choice; char name[50],ch; payroll e; cout<<"Enter Employe Number: ";cin>>e_no; cout<<"Enter Employe Name: ";gets(name); cout<<"Enter Employe's Address: ";gets(e.address); cout<<"Enter Employe's Basic Salary: ";cin>>e.basic; cout<<"Enter Employe's … |
| | why do we need data structures, if it is a way of storing data in computer in an efficient way, then the computer itself has the ability to store the data in an efficient way, why do we create linked lists n other stuffs. why do we use stacks,trees n … |
| | I want know how to find the type of image weather it may be jpeg/png/tiff/bmp by using C.........any ideas |
The End.