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The response provided by a cache is stale (the content's age exceeds a maximum age set by a Cache-Control header or heuristically chosen lifetime). 111 Revalidation Failed The cache was unable to validate the response, due to an inability to reach the origin server. 112 Disconnected Operation
The following year, Google began to deploy a new reCAPTCHA API, featuring the "no CAPTCHA reCAPTCHA"—where users deemed to be of low risk only need to click a single checkbox to verify their identity. A CAPTCHA may still be presented if the system is uncertain of the user's risk; Google also introduced a new type of CAPTCHA challenge designed ...
This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.
[24] ReCAPTCHA uses the google.com domain instead of one specific to ReCAPTCHA. This allows Google to receive any cookies that they have already set for the user, effectively bypassing restrictions on setting third party cookies and allowing traffic correlation with all of Google's other services, which most users use.
This match turns out to be an accurate description of the picture, and can be successfully used in a database for more accurate image search technology. The ESP Game was licensed by Google in the form of the Google Image Labeler, and is used to improve the accuracy of the Google Image Search. Von Ahn's games brought him further coverage in the ...
The HTTP 402 response is accompanied by an entity body that provides additional information to the client regarding the payment requirements. This entity body can be in various formats, including HTML , XML , or JSON , and typically includes details such as the payment amount, payment methods accepted, and instructions on how to complete the ...
Functional requirements are supported by non-functional requirements (also known as "quality requirements"), which impose constraints on the design or implementation (such as performance requirements, security, or reliability). Generally, functional requirements are expressed in the form "system must do <requirement>," while non-functional ...
C/R systems should ideally: Allow users to view and act on messages in the holding queue. Comply with the requirements and recommendations of RFC 3834. [1]Obey a detailed list of principles maintained by Brad Templeton, [2] including allowing for the creation of “tagged” addresses or allow pass-codes placed in either the Subject: header or the body of the message—any of which lets ...