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Javascript: Getting cookie value to record user's visit


By : Squishy
Date : October 17 2020, 01:08 AM


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how to generate unique number for users that visit a site using javascript?


By : user3909742
Date : March 29 2020, 07:55 AM
Hope this helps Generating a guaranteed unique number for every site user cannot be done purely at the browser. The only way to guarantee a unique number for every site user is to generate the unique number at the server and give that to the browser (either in the original page or via an ajax call or via a post/get).
If you want a statistically unlikely to be the same number that isn't 100% guaranteed, then you can use a time number plus a random number or a very, very long random number and have a statistically unlikely to be the same number, but not 100% guaranteed to be unique number.

JavaScript/jQuery only gets executed on first visit, cookie prevents it from executing again


By : Dhananjay
Date : March 29 2020, 07:55 AM

show image if new record since users last visit


By : Aaron
Date : March 29 2020, 07:55 AM
should help you out You could count the records returned and use conditional statements to determine what image you want to display. For example using your code:
code :
/* Using a mysql query which is discouraged and will be depreceated in future */

      // declare variables
      $i = 0;
      $lastRegisteredDate = date("F j, Y, g:i a", $database->getLastUserRegisteredDate());

      // declare statement string
      $stmt = "SELECT * FROM matningar WHERE `datum` > $lastRegisteredDate";

      // execute query
      $result=mysql_query($stmt);

      // make sure query executed properly
      if (!$result) {
        die('Invalid query: ' . mysql_error());
      }

      // manually count the number of results
      while ($row = mysql_fetch_assoc($result)) {
        $i++;
      }

      // display image based on conditions
      if($i == 0) {
        // display one image
      }
      else {
        // display another image
      }
/* Using the PDO library */

  // declare variables
  $i = 0;
  $lastRegisteredDate = date("F j, Y, g:i a", $database->getLastUserRegisteredDate());

  // declare database handler
  $DBH = new PDO( "mysql:host=$host;dbname=$dbname", $user, $pass );

  // prepare query
  $STH = $DBH->prepare( "SELECT * FROM matningar WHERE `datum` > ?" );

  // execute query
  $STH->execute( array( $lastRegisteredDate ) );

  // set fetch mode  
  $STH->setFetchMode( PDO::FETCH_OBJ );

  // manually count the number of results
  while ( $row = $STH->fetch() ) {
    $i++;
  }

  // display image based on conditions
  if($i == 0) {
    // display one image
  }
  else {
    // display another image
  }

How can I let users visit amazon s3 html/javascript pages through my custom domain?


By : ZhKSteaL
Date : March 29 2020, 07:55 AM
hope this fix your issue S3 does not allow you to configure your own SSL certificates for buckets - this is an inherit "problem" with the way S3 is designed and distributed across servers - Amazon provides their own certificate for use with S3, no configuration required.
However, and this is very important - you cannot use SSL over CNAME, period. If you want to use your pretty domain name with SSL using S3 you're out of luck. Its just a S3 quirk we have to live with. (https://forums.aws.amazon.com/thread.jspa?threadID=60502).

Use Client IP as cookie, to identify repeated visit and display a message after 1st visit


By : Rabiatul Adawiyah Kh
Date : March 29 2020, 07:55 AM
help you fix your problem First off before I give different ways of identify repeated visit and display a message after 1st visit.
I would recommend not using the IP address because there could be multiple machines behind the NAT routers sharing the one IP address, there will also be a the problem of mobiles always changing their IP address because they will also be connecting to different networks.
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