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0-9 arası sayıları kullanarak random olarak 2 sayı seçer ve yine random olarak toplama ya da çarpma yaparak sonucu verir.
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This is a gem wrapper for tiny captcha in C with no dependencies.
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Define questions and answers in a YAML file and validate your models with a single line of code. No more captchas or other stupid tricks.
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这是一个验证码生成器。基于rucaptcha。本人只是将他的源码拉下来。为我的网站进行适配。因为我不使用sesion.id
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Solve Media CAPTCHA Replacement
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Captcha generator for rails
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This plugin adds helpers for the YinXiangMa CAPTCHA API
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jQuery slide captcha system with jQuery & jQuery UI for Rails 3
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Easy to use classical captcha for Rails apps
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Form protection with simple captcha calculations.
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