19,876 Topics
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| | I am a beginner in C programming language.I have seen many compilers around but I cannot understand which one will be better to use.Plz help me. Thanks....  |
| | [CODE]#include <stdio.h> #define CALORIES 150 #define WEIGHT 15 int main() { double beer; double money_spent; double total_spent; double total_beer_consumed; double total_calories_consumed; double weight_gain; printf("On average, how many beers will you consume each day?\n"); scanf("%lf\n", &beer); printf("On average, how much will you pay for each can of beer?\n"); scanf("%lf\n", &money_spent); // … |
| | Hi, I was wondering if someone could help me with an issue I'm having in my code. [ICODE]#include <stdio.h> #define SZ 7 int* a[SZ]; int x, y, z; void populate() { x = 1; y = 2; z = 3; a[0] = &x; a[1] = &y; a[2] = &z; a[3] … |
| | hi, i have the following codes, is there any way to check if the user entered a character instead a number? btw, i dont want to change the input type from long to char thanks =D [CODE] long input; printf("enter a digit to your list: "); scanf("%ld",&input);[/CODE]  |
| | I need help understanding the for statements. This segment of code repeats itself as so 1 22 333 4444 However, i need understanding in how it repeats itself. Thanks [CODE]#include <stdio.h> int main () { int i,j; for(i=1;i<5;i++) { for(j=1;j<=i;j++) printf("%d",i); printf("\n"); } }[/CODE] |
| | Hi, I have a few questions which I need answering please. I have a ListView and I need to get the text in the cell which is clicked. At the moment i have this but it only works for the first cell which is clicked and throws an ArgumentOutOfRangeException if …  |
| | hi, i doing a project to send MMS using PIC16F876.. how to define the pic16f876 in c++? thank in advance. |
| | Hi all, I wasn't sure where to post this, so I thought here might be best :D I have to develop a program that takes a webpage and extracts information from it, so I was wander how would be the best way to do this, without using an external library(like …  |
| | Can someone please convert these into printf statements.I cant get it to work .Thanks [CODE]cout<<character[i]<<" "<<int(character[i])<<endl; cout<< numbers[i]<<" "<<char( numbers[i])<<endl;[/CODE] |
| | hey guys I am new to the programming language and have an assignment due today and I am stuck on this. Its a scrable programming in C. I tried but cannot figure out how the main function should work out. Here is my code with the assignment instruction. If anyone …  |
| | hai i want to track a particular frame from real time webcam video and then use it to simulate mouse movements.can anybody know how to get coordinates from tracking and how it can be integrated with mouse coordinates?  |
| | It's soon time for me to create some c++ program as a project for my class. But I have no idea what to do, any suggestions? |
| | Suppose we have two array inorder and preorder containing the elements in the said format. Using these two arrays how can i generate the binary tree?? Any help on the algorithm to be followed will be highly appreciated. For eg: inorder is : 2 3 4 5 6 7 8 … |
 | Hello All I am Posting after a very Long time because of Having a problem :) The Problem is I want to Convert a String on UNKNOWN size to character array. Explanation: I have a file in JAVA that sends some string through JNI, I collect that String in C. … |
| | I'm using gcc to compile and I need to be able to run it by doing ./test 7 10 + this is part an attempt of a Reverse Polish Notation calculator for one of my computer classes. My program works if I put it in quotes passing the sequence in … |
| | I'm having a lot of trouble with a project for school. The project calls for me to create a random guessing game with three different levels. Each level should consist of a random number between 1 and 30. I have set my code to show between 1 and 5 for … |
| | Hi all, Im started to learn windows.h libary. I want to add example some buttons with messages with more stuff in it but where i need to put that code i didnt find any torial about it can somebody help me out. [CODE]#include <windows.h> #include <stdlib.h> #include <string.h> #include <tchar.h> …  |
| | hi, i downloaded the existing twofish algorithm from bruce schiener's website but i am having trouble compiling it i.e making it run. can some one plz help me. |
| | Hey everyone I was wondering if anyone had any tips or methods for me to better my programming in C. I know I have to practice problems from my book but are there any other ways to better my code writing skrills :D thank you.  |
| | Hey all. I'm having a bit of problem with structs. Say we have a struct comprised of some strings and ints.One of the strings is a keycode,which is used for hashing.So my program reads from a file some information,creates a struct and using that keycode it places the struct on … |
| | I'm new at C coming from java but I'm learning it in one of my college classes and so far it's a nightmare anytime I write a program with it :'(. I'm writing a Reverse polish notation calculator and I'm using gcc as my compiler. I want to be able … |
| | This is a two part program that I i had someone help me do but I need it transfered to simple c (printf and scanf ). If someone could help that would be great. 1) //Header file section #include<iostream> #include<cctype> using namespace std; void main() { char character[6],ch; int count=0; … |
| | Doing an assignment to create a struct that holds keywords and then is used with a binary search to counter the total keywords in a program. Below is my code and below it is the errors i get when I attempt to compile it. First question is what is wrong … |
| | This is one part of my program, I need a loop that checks through the input(specifically the agent numbers) and then outputs the agent numbers that aren't in the input, from 1 to 20(because there should only be 20 agent). [CODE]void not_part() { ins.open(in_file); int i=0; int sum=0; cout<<"AGENTS WHO … |
 | OK... I have a program that runs and sends output to a game window. It is a magic roleplaying game online. I am using getpixel to look for when my energy is down and then I send a double click to my healing potions. All is well and working. This … |
| | Hi all, I have had a look around the forums but i could find anything, if someone could point me in the right direction for this. What is the best way to handle an sql connection, in my program I have to get data from the server on a button …  |
 | Hi friends! What is the difference between these two definitions of variables? [CODE]const char *msg; char* const msg;[/CODE] thanks in advance) |
| | Hi Guys, I am trying to make a connection with Oracle 11g which is installed on a server 2008 BUT have problems with the ConnectionString. Could you please let me know how I set a correct connection String while I have parameters like these: Database name: GISData Server Name : …  |
| | Is there a usb_reset() version in Winusb? I've been researching what function to use in order to reset the usb device. I tried WinUsb_SetPipePolicy and passed RESET_PIPE_ON_RESUME as the policy type but I think this is not the right function that corresponds to the usb_reset() of libusb which resets the … |
| | Hi mates!) If somebody can - please explain me - what does mean "[U]the lowest[/U]" in this context - [QUOTE]The open() function shall return a file descriptor for the named file that is [B][U]the lowest[/U][/B] file descriptor not currently open for that process.[/QUOTE] the QUOTE is from here - [URL="http://pubs.opengroup.org/onlinepubs/009695399/functions/open.html"]http://pubs.opengroup.org/onlinepubs/[/URL] … |
| | How can I convert an unsigned int to a signed int using only bitwise operators? |
| | What is wrong with my fread() [CODE]#include<stdlib.h> #include<stdio.h> #include<math.h> double stdDev(double avg, double x[]) { double stdDeviation; double diff; double Sqdiff; double sum=0; int i; for(i = 0; i<50; i++) { diff=x[i]-avg; Sqdiff=pow(diff,2); sum+=Sqdiff; } stdDeviation=sum/avg; return sqrt(stdDeviation); } double maximum(double x[]) { int i; double max; max=0; for( i … |
| | im trying to get this function to show the numbers that are not on the list in the input file, i've written this and it doesnt work, i know theres sometihng wrong with it but im not sure what it is? or how i can fix it to make it … |
| | Hi Guys, I am trying to make a connection with Oracle 11g which is installed on a server 2008 BUT have problems with the ConnectionString. Could you please let me know how I set a correct connection String while I have parameters like these: Database name: GISData Server Name : …  |
| | globals.h [CODE] #ifndef _globals #define _globals #define DATA( L ) ( ( L ) -> datapointer ) #define NEXT( L ) ( ( L ) -> next ) typedef enum { OK, ERROR } status ; typedef enum { FALSE = 0 , TRUE=1 } bool ; typedef void *generic_ptr … |
| | Program is suppose to convert binary to hex.. it says that i need a class/struct/union to the left of ".substr" but im pretty sure convert should be working.. [CODE]#include <iostream> #include <string> using namespace std; int main () { string convert [8]; string bin[16]= {"0000", "0001","0010","0011","0100","0101","0110","0111","1000","1001","1010","1011","1100","1101","1110","1111"}; string hex[16]= { "0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"}; … |
| | I really need to find out the correct syntax for passing a two dimensional array. |
| | I am developing a network chat application, I am using Winapi, my main window is a dialog (created from a .rc file). I am looking into a way of doing an text box where my outuput text can be like this: [QUOTE] [COLOR="Green"]Welcome to ##### chat server![/COLOR] [COLOR="Red"]Person1[/COLOR] says: Hi … |
 | Hi all, Ive been trying to find a seek method for StreamReader. I want to be able to reverse the file buffer by a couple characters at a time. How I have everything set up. [CODE] private void SortThread() { string[] lines; string line, totalLine = null; char[] fileInput = …  |
| | [CODE]void maximum(double *max, double x[]) { int i; for( i = 0; i<100; i++) { if(max < x[i]) max=x[i]; } }[/CODE] Why isnt this working Im probrably missing one syntaz that i cant think of at the moment Thank u |
| | Hi, I have a program which needs to accept a date, it can only accept under 30 days, and the entry has to be over 0 My problem is that it accepts anything, it doesnt make sense because i have used the exact layout on other bits of code which … |
| | if anybody can help me with this code...plz [CODE]#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <stdlib.h> #include <string.h> void * scrambleArr(void * arr, int numElem, int elemSize,int (*func)(void*)); int func(void *x); void main( ) { int a[7]={1,2,3,4,5,6,7}; int i; int *p = NULL; p = scrambleArr(a, 7, sizeof(int),func); for (i = 0; … |
| | I have to read in a file and do dot product calculations on two arrays but I get an error whenever I try to run it. Here is my code, [CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> int main() { FILE* input; FILE* output; int product=0; int length=0; int* … |
| | receiving this error: error C2011: 'Placement' : 'class' type redefinition please help! this is due soon.  |
| | who can help?? I want display window form when user double click node in treeview. |
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| | I have a print button & when i click on that print button, i.e. [B]every time[/B] while printing, the printer opens the printer settings it takes paper size letter by default. I want to adjust that paper size to a defined size by code & it should print automatically. I … |
| | i'm working on this program to 'read an array(int and float values) from a file and then print it out on the screen'....the i/p data file is looks like this #lat lon B s date X v 60.97 56.10 26.50 33.389 03 07 02 24.00 4 60.36 53.58 28.90 35.731 … |
| | how can i parse between blank lines in a file to separate paragraphs between the white lines? |
| | This program is to count the number of words,vowels and consonants of a string.Here is my code.Please post your comment.I do not know whether I need to change anything. [CODE]#include <stdio.h> int main() { char a,b =' '; int vowel=0,c=0,count=0; printf("Please press '*' to terminate.\n\n"); while(scanf("%c",&a)==1) { if(a=='*') break; else … |
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