19,876 Topics
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| | I was wondering if anyone could tell me why my code is not displaying anything. My connection is correct because I did copy it from a program that already works properly. *Beginner Student* [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] …  |
 | hey im new to daniweb, i recently wanted to revise a code for a dll but being as i dont really know c++ i turned to the help of daniweb if you would be so kind to assit me correct any problems with this code it would mean alot to … |
| | [code] #include<stdio.h> #include<conio.h> void main(void) { int a1,a2,a3,a4,a5; clrscr(); scanf("%d%d%d%d%d",&a1,&a2,&a3,&a4,&a5); printf("%d%d%d%d%d",a5,a4,a3,a2,a1); getch(); } [/code] |
| | The Program is Addition of Large Integers.. Although This program is working But I want to know where i went wrong or what should i need to do to make it better.. [CODE] # include <stdio.h> # include <stdlib.h> # include <ctype.h> # include <string.h> typedef struct poly { int … |
| | Write a c program that inputs the names of the 5 students and their marks in 5 course units. the program must calculate the average for each student. If the average of the students's marks is less than 50, then your program should print against the student the string"Sorry try …  |
| | Hey! We all learn file processing [ATTACH]18526[/ATTACH] I don't understand what is the difference between "for writing" and "for update". Could you please explain that? Thx so much! |
| | Does anyone know how to add a new button to the 'New E-Mail' Window of Outlook 2010?! - Preferably on the 'Message' ribbon. I had a lok and it's pretty confusing with limited documentation. THanks! |
 | This is for the numerous people I see constantly asking how to "pause" the console after their code runs. The explanation for how the code works is within the snippet in comments. Basically, the "cin.clear();" function will clear the input stream, getting rid of any newline characters that would have …  |
| | [CODE]#include <stdio.h> #include <string.h> #include <stdlib.h> int getNumWords(char *name) { int i,numofwords=0; for(i=0;i<strlen(name);i++) { while (name[i]==' ') { i++; //pernaei ta kena osa k an einai. akoma k an einai stin arxi k sto telos } if (((i==0)&&(name[i]!=' '))||(i>=1)&&((name[i-1]==' ')&&(name[i]!=' ')&&(name[i]!='\0'))) { //i 1i sun8iki einai gt an to i …  |
| | I have an C++ games project due in about 2 weeks i have no former knowledge of C++ and feel like ive leapt in at the deep end our lecturer just kinda put it on us and told us to do it as an self research task and gave us … |
| | i trying to to open a text-file in read mode and passing that file pointer to a function which will extract the text from that file pointer .... but every time i build and run the program i get the segmentation fault error at the start of the "loadtoFile" definition … |
| | If I write 1 letter, I get the error message once. If I write 3 letters, I get the error message three times...... How can I fix this :S? [CODE] #include <iostream> #include <stdio.h> #include <math.h> #include <cmath> #include <stdlib.h> using namespace std; int main() { //vars char user_numberr; //int …  |
| | Hi, Trying to write some C code for an assignment using a PIC16F84 for a digital watch/alarm. RA0 to increment time RA1 to decrement time RA2 set-move to next digit RB7 set time/alarm RB6 enable/disable alarm 1. press RB7 once to set time. 2. press RA0 or RA1 repeatedly until … |
| | i have creaed a loop that lets the user creates a file then copy a file to it and also allows the user to add more than 1 file to be copied. the problem that i found out is that when the progam goes back round the loop it drops …  |
| | How can i calculate the frame rate, CPU load, and execution time for my C coding? |
| | I"m having trouble with this code can any help? I am trying to find the average, mean, standard deviation #include <iostream> #include <fstream> #include <iomanip> #include <string> using namespace std; void Fill_Array(int Size[], int& count); void Print_Array(int Size[], int count); double Calc_Average(int Size[], double average); void Sort(int Size[], int numbers_used); … |
| | i wann multiply two matrix but the part of given code is not working...i wanna input the value from the user using pointers.. [CODE]#include<stdio.h> #include<conio.h> void main() { printf("This is matrix multiplication program"); printf("\nEnter the dimensions of two array "); int Row1 = 0, Col1 = 0, Row2 = 0, … |
| | I dont know what to do ADDING ELEMENT.first selection in the main menu....pls help me... A cluster is defined as a collection of different elements. A and B, including two sets of integer elements that are required for a program to perform certain procedures on the sets. To do this, … |
| | I would like to know the exact difference between calloc and which is more useful?? Though calloc allocates memory in the form of blocks and malloc in a single block , do they both allocate memory continuously and if there is an obstacle , would calloc be able to jump … |
| | i got this exercise and i wrote this code. [IMG]http://img42.imageshack.us/img42/8331/37255827.png[/IMG] i have a problem with the bubblesort part becouse it thinkes it's void pointer. i don't think i nedd to write the program 8 times there must be a way tnx a million [CODE]# include <fcntl.h> # include <stdio.h> # … |
| | i have a problem with my coding to fing wether given string is palindrome or not without using strcmp(); and srtrev(); it returns "the string is not a palindrome " for all string the [CODE]#include<stdio.h> #include<string.h> void main() { int n,i,j; char a[100]; scanf("%s",a); n=strlen(a); printf("the length ia%s,%d\n",a,n); while(i<=j) { …  |
| | how to produce output without console window in c code? using dev c++ as compiler.say i have a prog. and it produces the output in console window as well as in text file. now i wan the output only in dat file not in console window. on executing the exe … |
| | Hi All, I want a C programme which will take a user input as a date and number of days, and then it will add the given number of days to the input date and will give the resulted date. It should keep in mind all the permutation and combinations …  |
| | Let P1 and P2 are two polynominals.. where p1 = 1 + 4X^2 + x^4 and p2 = 2x^2 + x^4 program is to multiply p1 with p2 p3 = p1 * p2 Like line 1: ( 1 + 4x^2 + x^4) (2x^2 + x^4) line 2: 1*(2x^2 + x^4) … |
| | please can anyone make a program in c language to convert a number from decimal to hexadecimal system using switch statements and please don't use arrays or %x |
| | I want to know the procedure by which we can calculate time complexity of a C program. and how would we compare two algorithms. here are two sorting programs. how to compare both. [CODE] for(i = 0; i < n - 1; i++) for(j = i + 1; j < … |
| | My code is giving a wrong output for the 3rd pair of vectors im finding the dot product of, although the first two are correct. (outputs - 0, 3, -3(should be 1))... I just cant find wahts wrong, i was guessing something to do with the -1 in the b … |
| | I have never used STL sets before, but I have used some other STL stuff. I am having trouble with upper_bound. I have a class I defined, and I have a (STL set) set of pointers to different instantiations of the class. i compare using a comparison function, which takes …  |
| | I am writing a program that converts a hexadecimal number to a decimal number (without using the std::hex and std::dec stuff), and at one point need to change from a double to an int.. However when large numbers, such as 5,726,623,060.00000 are entered, they all get changed to -2,147,483,648 after … |
| | I'm having a problem solving part of a C# question from a beginning course. If anyone can help, I would appreciate it. The problem and code follows: When the user clicks the Quit button, display a message box that says "I'm going home." Then when the user clicks OK on … |
| | Hi, well i take lots of time figuring this out. I need a program that tells me the coordinates of a word that is in other array, what I have gotten is the y coordinate "the column", but I need to do the case for a bidimentional array get the … |
| | Hello, i am new in c programming it is just the second month i i deal with. I am really confusing about what i have to do with this exercise pls don't lough on me I hope for some help. That's what i have to do.. I have to modify … |
| | I have a project that has four classes descending. Person is the first class, CollegeEmployee,and Student are classes that descend from the class Person. The class Faculty descends from CollegeEmployee and has a Boolean field that indicated whether the Faculty member is tentured, as well as methods that override the … |
| | Hello, i am new in c programming it is just the second month i i deal with. I am really confusing about what i have to do with this exercise pls don't lough on me :( I hope for some help. That's what i have to do.. I have to … |
| | Hi , I am trying to reverse a string using pointers.I am able to reverse a sting like this: My Reverse Program --> margorp esrever em But I want it word by word. Program Reverse My. [CODE] #include <stdio.h> #include <string.h> char str[50]="Reversing a string using XOR"; char strb[50]; char* …  |
| | I'm new to C programming and I am trying to write a simple ID3 tag editor for mp3s. An id3v1 tag is the last 128 bytes of the file, with 30 characters for the artist, 30, for the title, etc... So far I have written this program which saves each … |
| | Hey guys, I have a question regarding this code I made some days ago.. (works fine) [CODE]#include <stdio.h> /*para printf(),scanf()*/ #include <conio.h> /*para getch(),clrscr()*/ #include <stdlib.h>/*para exit()*/ #include <math.h> //#include <dos.h> //#define NUMEL 20 double f(double x); void _error(int n); enum{INTERVALOS}; enum{SIMPSON1_3=1,SALIR}; int n; float a,b; //float X[NUMEL],Fx[NUMEL]; /*Metodo de … |
| | Hi, I'm a beginner and just started Turbo C I wrote this program in the editor main() { float years, days; printf ("Please type your age in years:"); scanf ( "%f", &years); days = years * 365; printf ("You are%.1f days old.\n", days); } I then run the program and … |
| | I saw the same thing I'm about to post on here earlier, but the difference is that I wrote the program, but it doesn't do anything save compile. The code's a bit sloppy, and I'm just not quite sure where to begin with the bugs. The actual assignment is as … |
| | // Postfix evaluation.cpp : Defines the entry point for the console application. [code] #include "stdafx.h" #include <iostream> #include "stackNew.h" #include <string> #include "stdlib.h" #include <cctype> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { char Exp; string postfix; stackNew Operands; float item1, item2, result; cout<<"please enter the exp<B></B>ression you want … |
| | Hi, I have prolly very noobish question. I compile my program separately with GCC by: [CODE]gcc -O2 -Wall -c foo.c[/CODE] I just wat to ask if there is a chance to specify the output destination of [B]foo.o[/B] file. Now the output is forwarded to the makefile dir. Thank you for … |
| | when the user types in ls i want the program to show the listed files in his directory but it is not working i cant list the files can anyone help ? this is what i have done so far. it breaks fine when the user enters x [CODE] while(1) … |
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| | Hello all. I'm trying to compile a socket program in DevC++ but everytime I do it I get a lot of linker errors like these: [CODE] [Linker error] undefined reference to `WSAStartup@8' [Linker error] undefined reference to `htons@4' [Linker error] undefined reference to `inet_pton' [Linker error] undefined reference to `socket@12' … |
 | Hi guys, i need your help i new to this homepage and im learning c++ i've got homework about this weekend to create something like that: [B][U]Give your Informations (<FirstName> <LastName>, <dd.mm.yyyy>)[/U][/B] now i want to ask you how to check with c++ if a string got a "," would … |
 | I've found how to convert a char to its ascii value (toascii) but I want to do it the other way round! I'm aware you can use putchar() but that doesn't really work so well for what I'm doing, or at least I'd like to find a quicker way if … |
| | Hi, I'm having to write Conway's game of life for school and I'm having a little trouble with it. Whenever it runs through the code, all of the 'cells' move to the left a bunch and warp around the screen.. I'm not sure why.. Any help would be great! Thanks! … |
 | Okay so after many hours I finally figured out how to read data from an excel file but now I am running into a problem here is how I read in data [CODE] Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application(); Workbook excelFile = excelApp.Workbooks.Open(filePath, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, … |
| | Please help me convert this pseudo codes to C Program. In parallel, every processor executes the following loop: LOOP: LOAD REG[1] MEM[V] Load the value of previous time step from MEM[V] MOVE RN REG[1] ROUTE RN Send to the North MOVE REG[2] ROUTE Save value from the south MOVE RE … |
| | Hey everyone, I was assigned a project where we have to simulate virtual memory page replacement algorithms. I decided to use a Queue ADT I made in a previous project, and modify it to enqueue page reference strings of a process, character by character. However, when I initially create the … |
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