19,876 Topics
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| | I have a (I thought:confused:) relatively simple converter project I am writing with Visual Studio 2010 C++ Windows Form App. So to be forthwith I am completely stumped as to how I would get the user input from the Amount box (1234.12 for example) and the Rate box (1.04108 for …  |
| | hi guys i want to make a c program,what it has to do is to find its current pathname every time it is executed from diferent locations and then redirect the outcome in a .txt file,through cmd.I have lack of knowledge when it comes to cmd so any help?  |
| | Hi all, I am trying to conver string to decimal. the sting is 8 byte long and contains data as hex nembers e.g 0000000000000D72 i want to conver this data into decimal as 3442 i'm not getting how to do this help me... |
| | [B]When should we use for loop and when while in C ? In terms of speed up and memory consideration in embedded systems.[/B]  |
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| | I have been studying c++ on my own for about a year (i'm 11) and have mastered classes, functions, logical operations, and some other basic things. Now I'm interested in learning to make and use GUIs. I already know how to make a message box and have the code but … |
| | Hello, I was compiling some code and get the following compiler errors: error C3861: '_stprintf_s': identifier not found error C3861: '_tcscat_s': identifier not found I got the code from the MSDN Library: [URL="http://msdn.microsoft.com/en-us/library/dd798640%28VS.85%29.aspx"]http://msdn.microsoft.com/en-us/library/dd798640%28VS.85%29.aspx[/URL] I tried to find some info about the _stprintf_s and added the header <tchar.h> This got rid … |
| | Hi..I want to create a message box that displays the string from an array. Is it possible using MesasgeBox()?? I have tried passing the name of the array to the function but I looked around and found youd could pass only string to the function. So waht is the solution??? …  |
| | can anyone help me make a C program code that will open an image file? i'm using C language and GUI/glade3 alongside it. to help you visualize it, i want to type the image filename in a text view entry and when i click a button (Load for example) the … |
| | Hi, As per the code snippet: [CODE]typedef struct TimeSlotConfigurationList_LCR A { A_SEQUENCE_OF(struct B) list; asn_struct_ctx_t _asn_ctx; } A_t; #define A_SEQUENCE_OF(type) struct { type **array; int count; /* Meaningful size */ int size; /* Allocated size */ void (*free)(type *); } typedef struct B { TimeslotNumber_LCR_r4_t x; ENUM{Yes(0), No(1)} y; ENUM{Ok(0), … |
| | Hi all, I'm completely new to C but have dabbled with Bash scripting before. I've been trying to get my head around pointers etc. I have a small routine to check for the existence of a string in a file and print to screen, I claim no originality it's a … |
| | Hello, I am trying to make a program which will sort a array of 10 elements using bubble sort. I searce dthe forum and google but douldnt find a problem similar to mine. I cam up with the following code: [CODE]#include <stdio.h> #include <stdlib.h> void swap(int *, int *); int … |
| | Hi..I am writing a server code for TCP/IP. The code is: [CODE]#include<winsock2.h> #include<windows.h> #pragma comment(lib,"user32.lib"); #include<stdio.h> #include<string.h> #include"tcpip.h" /*Function definitions for communication over TCPIP*/ /*Parameters for TCP/IP Communication*/ WSADATA wsaData; WORD version; int error = 0; SOCKET server_addr; SOCKET client_addr; struct sockaddr_in Start_Server; int length = 0; char tcp_ip_recv[20]; char … |
| | I'm trying to create login form in C#. I store username and password in SqlServer 2008 express using the stored procedure [CODE]ALTER procedure [dbo].[InsertNewUser] ( @UserName varchar(30), @Password varchar(30) ) as If exists(Select 'True' from Users where UserName = @UserName) begin --This means that the user name is taken select … |
| | I have been away from c for awhile and was hoping that someone could guide me on how to code the following: I have a string for the time that is in the format hhmmss.sss (hour, minute, seconds, fraction of seconds). I would like to parse the string and store … |
| | I have a small problem. I am a begginer in C programming . I need so help please. my project i am working on is in image. I use a camera to take a number in very small part for example ( 0901) but sometime those component have defect next … |
| | Hello, good evening. :) I got some problems with the "Bubble Sort" and "Selection Sort". My "Insertion Sort" is already ok. I just can't figure it out with this problem. Hope you can help me with this and explain it to me my mistakes. Here's the whole code: [CODE=C]#include<stdio.h> #include<conio.h> … |
| | I have a statically allocated memory chunk and one dynamically allocated. Which one is preferable if a cache friendly function is to be written ? |
 | i am having trouble fixing this program... its not printing the number any tips??? i am using sieve of Eratosthenes [CODE]#include <cstdio> #include "simpio.h" #include "strlib.h" #include <iostream> using namespace std; int main() { bool is_prime[300]; int num[300]; int i, n; printf("This program prints all prime numbers from 1 to … |
| | I'm planning to design a program such that any number entered will be divided by all the numbers less than it and if any of the division gives 0 as the reminder,it is not a prime.Here is my attempt so far and iam not able to proceed after that.. [CODE]#include … |
 | Hello, I'm almost completely useless at C, and as part of a project I've got to conjure up a programme, and I'm just hoping someone can give me push to get it started. I want to make a programme where the user can draw a CIRCLE, SQUARE, LINE and POLYGON … |
| | ok so i know how to program in JAVA.. i am trying to learn C but the language is pretty confusing.. so i want to read from a file.. i created a FILE, numbers.txt ---> this file has int values. i have code to read the file, now i am … |
| | Hi All Can anyone tell me how to read a file but only print to the screen certain parts of it? Below is what I've got already - apologies if it's very basic, I'm new to this! All I can do is get a program which prints the whole file … |
| | Fellow coders Ive contributed this code to show how to send an email using winsock but Im having problems working out what to do to get this to be SSL oriented and know that it requires something to do with Secure Sockets and SetSockOpt and GetSockOpt and WSAIOctl but Im … |
| | can u help me in my assignment on Turbo C ??? this is the questions .. i need it badly tom.. at 10am in the morning !! Write a program to print a customer bill for Ajax Auto Repair. the parts and labor changes are input and a 6% sale … |
| | I am trying to compile my code and the error is in my ADT module .h file at this line: void printList(FILE* out, ListRef L); The precise error is "list.h:42: error: expected ‘)’ before ‘*’ token" Everything seems fine to me with the rest of the program but my compiler …  |
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| | can you guys help me out i dont know any of the c++ functions and i dont know how to convert this tnx in advance [CODE]#include <iostream> #include <stdlib.h> #include <fstream> using namespace std; struct student { char fname[100]; char lname[100]; int id; float cgpa; }; int add( student * … |
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| | Hey guys. I coded the following program below: but I have a problem... I think its perhaps the logic I have used is not too good... here it goes... The program below should: ask the user to enter a letter ('a' to 'z' or 'A' to 'Z') and outputs VOWEL … |
| | hello , i want to know where i can get all the 3d and all the other c++ and c libraries and where can i learn how to use it  |
| | hi its been 2 years since the last time i program in c and this is my first after 2 years. So i'm not that familiar anymore to the syntax in c(especially i'm already programming in java). So my problem is, i don't know if i did something syntactically wrong …  |
| | The goal of this program is to create a "bag" array and a function that will calculate the Fibonacci sequence. The "bag" array should be initialized to a size of 2 where the the elements in order are 0 and 1 respectively. For example: array[0] = 0 and array[1] = … |
| | Hey im kinda new in file handling so can you guys help me out im having a hard time delete data from my .txt file the one here in my code workes but when I example [CODE] printf("Enter Record to be deleted: "); scanf("%s",del); if(strcmp(line, del) !=0) [/CODE] the data … |
| | Hi ... i am doin my B.E in computer science amd i was asked to write a programme ... can anyone help me write a c program that can hang the system ... and can u also tel me how to set it right again...[B][COLOR="Green"]:icon_neutral:[/COLOR][/B] and can u tel me … |
| | I've been playing around with recursion a little bit, admittedly it's been some time since I've used it, and I'm feeling pretty rusty. I was simply trying to recursively reverse a linked list and wasn't getting anywhere and finally google'd some code and came across the below snippet, [code=c] node … |
| | [CODE]main() { char name[10],s[12]; scanf("\"%[^\"]\"",s); }[/CODE] How this scanf will scan? |
| | I'm having trouble with my program. It randomises the craps results i.e how many games are won or lost on a particular roll. The problem is, it is supposed run 1000 games but it also randomises the number of games too. Usually between 1000 to 1005. I think it is … |
| | how to make a program run when an external device is plugged in???(program run from the computer not an autorun from the flash) |
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| | i am also seeing the similar problem.. the code is here.. [code=c] #include<stdio.h> #include<string.h> int palindrome(char *a,int n); int main() { char a[20]; int b,n; printf("Enter the string to be checked\n"); scanf("%s",a); printf("The entered string is "); puts(a); printf("%c%c%c",a[0],a[1],a[2]); //empty line strlen(a); b=palindrome(a,n); if(b==0) printf("%s is palindrome\n",a); else printf("%s is … |
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| | HI All, i know its a known issue but i am again back with same problem.I am trying to find IP of the host. USed this code.: [CODE]struct sockaddr_in sock_name; int sock_size = sizeof(sock_name); struct in_addr remote_addr; int sockfd, size = 15; if (0 > (sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP))) …  |
| | [CODE]while((fgets(receiving array,50,file_ptr)!=EOF);[/CODE] How this while is executed? |
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| | hello! i have to find time in nanosecond of a particular process and for that i am using clock_gettime() function. i tried different codes i got from net but getting same error [QUOTE] error: ‘CLOCK_PROCESS_CPUTIME_ID’ undeclared (first use in this function)[/QUOTE] i have included relavent header file of time also. … |
| | Hi. I'm new to daniweb and i am also a novice programmer. I have this assignment to get a shape, then a shape inside that one, and then another inside the second one, and then fill each shape in with different patterns. Here is an example. if the user enters …  |
| | this is what i have so far, i need to combine 2 c strings, print them backwards and figure out whether they are a palindrome or not. (the for loop is where i stopped, it could be wrong) [CODE]#include<iostream> #include<cstring> using namespace std; int main( ) { char s1[15], s2[8]; … |
| | I am a VB programmer, so I know a lot about programming. I am just new to C and want to ask a simple question. How can I read a file and use strtok with space as the delimiter and have access to all tokens in memory? The example provided … |
| | [CODE]#include <stdio.h> #include <string.h> #include <ctype.h> int getemail (char * email); int getfirstname (char* firstname); int getlastname(char * lastname); int getphonenumber (char * phone); void main () { char email[30]; char firstname[80]; char lastname[80]; char phone[15]; int namevalid; do { namevalid=getfirstname(firstname); if (namevalid ==1){ printf("You entered: %s, A good name\n",firstname); … |
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