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Recent questions tagged captcha

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captcha - CCaptcha displaying no image yii

I have a user registration form, in which I am trying to display a Captcha image by using Yii widget CCaptcha, ... nothing seems to be working. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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captcha - How does Google reCAPTCHA v2 work behind the scenes?

This post refers to Google ReCaptcha v2 (not the latest version) Recently Google introduced a simplified "captcha" ... How might this work? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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