Factorial program in c using for loop

#include <stdio.h>
int main(){
   int c, n, fact = 1;
   printf("Enter a number to calculate it's factorial\n");
   scanf("%d", &n);
   for (c = 1; c <= n; c++)
      fact = fact * c;
   printf("Factorial of %d = %d\n", n, fact);
   return 0;
}

Factorial program in c using function

#include <stdio.h>
long factorial(int);
int main(){
   int number;
   long fact = 1;
   printf("Enter a number to calculate it's factorial\n");
   scanf("%d", &number);
   printf("%d! = %ld\n", number, factorial(number));
   return 0;
}
long factorial(int n){
   int c;
   long result = 1;
   for (c = 1; c <= n; c++)
      result = result * c;
   return result;
}

Factorial program in c using recursion

#include<stdio.h>
long factorial(int);
int main(){
   int n;
   long f;
   printf("Enter an integer to find factorial\n");
   scanf("%d", &n); 
   if (n < 0)
      printf("Negative integers are not allowed.\n");
   else{
      f = factorial(n);
      printf("%d! = %ld\n", n, f);
   }
   return 0;
}
long factorial(int n){
   if (n == 0)
     return 1;
   else
     return(n * factorial(n-1));
}

Page refresh by using Meta tag http-equiv="refresh"

<meta http-equiv="refresh" content="10" url="http://praba-2011.blogspot.in">
content="10" is after 10 secs page will be auto reload

Input field JQuery float validation, decimal validation

$('#price').keyup(function(e){
      var entered_value = $(this).val();
  var regexPattern = /^\d{0,8}(\.\d{1,2})?$/;         
      //Allow only Number as well 0nly 2 digit after dot(.)
      if(regexPattern.test(entered_value)) {
        alert("false") ;  
      } else {
         alert("true");
      }
});

How to take dates between two dates in php?

   $task_to_do = array();
   echo "
";
   $s = strtotime("START_DATE");
   $d = strtotime("END_DATE");
   $dif = 86400;
   $i=$s;
   $x=0;
   while ($i <= $d) {
      $dat = date("Y-m-d 00:00:00",$i);
      $t_s = date("Y-m-d 00:00:00",strtotime($dat));
      $t_e = date("Y-m-d 23:59:59",strtotime($dat));
      $task_to_do[$x]["start_date"] = $t_s;
      $task_to_do[$x]["end_date"] = $t_e;
      $i = $i+$dif;
      $x++;
   }
   echo "
";
   print_r($task_to_do);

Disable Hotlinking Images from Searchengines with htaccess

The following code is used to prevent HotLinking to jpg, jpeg, gif, png, and bmp file types.

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www.)?your-websitename.com/.*$ [NC]
RewriteRule .(jpg|jpeg|gif|png|bmp)$ - [F]