Requiring CAPTCHAs during checkout results in a 8.66–29.45% failure rate — yet 16% of sites require them anyway. See our latest test findings and what to avoid if CAPTCHAs must be implemented.
$flag = 5; if (isset($_POST["flag"])) // check that POST variable is not empty { $input = $_POST["input"]; $flag = $_POST["flag"]; } if ($flag == 1) // submit has been clicked { if (isset($_SESSION['captcha_string']) && $input == $_SESSION['captcha_string'])...
@barrowboy: the problem is market distortion, by buying up the supply you force an artificially high price. The provider of the service does not want to charge that much, hence the lower face price. The arbitrage that occurs happens because scalpers drive down supply, not because that is th...
Police the content, not the sign up. Besides, just showing that we’re human isn’t any real guarantee that we’re going to be posting anything worth reading . . . vexorian•October 8, 2012 7:43 PM “The easy way to attack this system is to create a library with all the correct ...
the thing about the CAPTRA is that killersup thought that it was just a advertisment.so he never pressed on it.killersup couldn't post for a day till he fingured how it worked.and it never stopped spammers so maybe(prolly not) the mods and admins will take it out becuase if you fo...
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not already captured by the existing training examples. yes, there are problems in image recognition we haven't solved yet, and there can be captchas based on that. all we are claiming is that our approach fundamentally breaks all text-based captchas. you cannot hope to patch up the text...