HTML5 Canvas
Written by: Simon Sarris
Featured Refcardz: Top Refcardz:
  1. Apache Hadoop
  2. Web Driver
  3. MVVM
  4. REST
  5. ADO.NET
  1. HTML5
  2. Ajax
  3. jQuery Selectors
  4. CSS Part 1
  5. Git
150+ Refcardz Available · Get them all

Link Details

Previous | Next

Surprise Me!
Link 89017 thumbnail
User 111696 avatar

By bloid
via sitepoint.com
Published: Jun 22 2008 / 16:41

Beyond CAPTCHA: No Bots Allowed!
CAPTCHAs are generally one or two words presented as graphics, overlaid with some kind of distortion, and they function as a test that relies on your human ability to recognize them. CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart." This is a misnomer, because a CAPTCHA isn't a Turing test -- but we'll come back to that later!
Vote up
Vote down
  • 12
  • 0
  • 1289
  • 0
SaveShareSend Tags: ,

Add your comment


Html tags not supported. Reply is editable for 5 minutes. Use [code lang="java|ruby|sql|css|xml"][/code] to post code snippets.

Voters For This Link (12)



Voters Against This Link (0)