Length: 36 character(s); Best length: 10 ~ 60 character(s)
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To provide a problem so interesting and difficult that the target is compelled to cease whatever they are doing (eating, reading, walking) in order to think about it. Most effective on math professors, science majors, and similar. Term coined by Randall Munroe, author of the webcomic XKCD.
Length: 290 character(s); Best length: 50 ~ 160 character(s)
HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of www.urbandictionary.com:
Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 12 DNS record(s) of urbandictionary.com.