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premiumpacks & ruby captcha (8 items)

Captcha applications made for ruby and multiple ruby frameworks.

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CAPTCHA stands for Completely Automated Public Turing Test to Tell Computers and Humans Apart. Captcha code ke...

CAPTCHA stands for Completely Automated Public Turing Test to Tell Computers and Humans Apart. Captcha code keeps machines and humans apart. You must have seen the captcha verification while filling sign up forms, posting comments, filling surveys, placing orders, e-commerce transactions, filling feedback forms and many more. 

Adding captchas to some action shoul...

Adding captchas to some action should be really easy. It shouldn't require a migration, like Brain Buster or API calls like reCAPTCHA. Gotcha is an easy way to ask (custom) questions of your users in order for them to perform some action (like submitting a form).

A captcha system that uses less ridi...

A captcha system that uses less ridiculous images than ReCAPTCHA. Kamcaptcha has two somewhat independent parts to it, a generator for building the word images to present, and then a runtime configuration for checking validity of what gets submitted.

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BrainBuster is a logic captcha for Rails. A logic captcha attempts to det...

BrainBuster is a logic captcha for Rails. A logic captcha attempts to detect automated responses (ie spambots) by asking a simple question, such as a word puzzle or math question. Logic captchas are often easier for humans to answer then image based captchas, but can exclude foreign users or users with cognitive disabilities.

Humanizer is a very simple CAPTCHA method. It has a localized YAML file w...

Humanizer is a very simple CAPTCHA method. It has a localized YAML file with questions and answers which is used to validate that the user is an actual human. Any model that includes ActiveModel::Validations should work. Our aim is to be database and mapper agnostic, so if it doesn't work for you, open an issue. Humanizer only works with Rails 3.

I was thinking about alternative ways to block comment spam the other day and it occurred to me that there’s potentially a simpler solution than th...

I was thinking about alternative ways to block comment spam the other day and it occurred to me that there’s potentially a simpler solution than the Invisible Captcha approach I wrote about.The Invisible Captcha control plays upon the fact that most comment spam bots don’t evaluate javascript. However there’s another particular behavioral trait that bots have that can be exploited due to the bots inability to support another browser facility.

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A simple captcha implementation for rails 3 based on rmagick. Tested with...

A simple captcha implementation for rails 3 based on rmagick. Tested with Rails 3.2.8.

A plugin to make the process of creating a negative captcha in Rails much less painful — Read more S...

A plugin to make the process of creating a negative captcha in Rails much less painful — Read more Sorry, but there was a problem saving your changes.Read-Only access 52 commits Merge pull request #20 from clemens/master … A negative captcha has the exact same purpose as your run-of-the-mill image captcha: To keep bots from submitting forms. Image ("positive") captchas do this by implementing a step whic...