Tag Archives: captcha

  • Captcha Validation

    Aim of this article: Understanding CAPTCHA and implement CAPTCHA validation in plugin portlet About CAPTCHA: CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart". CAPTCHA is used in computer world to determine whether a user isĀ  human or non human. CAPTCHA is used to prevent repeated data submission by program. […]

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