A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Type to find tags:
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a PHP written wiki engine which uses text files as backends as well as for configuration by default, no SQL database needed.
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A DNS-based Blackhole List (DNSBL) or Real-time Blackhole List (RBL) is an effort to stop email spamming. It is a "blacklist" of locations on the Internet reputed to send email spam.
An administrator may "block" or limit access to portions of his or her website to any number of computers.
used to break a long string of text into two lines of text. In html, the <br> tag is used for a line-break.
a robots tag used to instruct search engines not to keep a cached copy of the webpage the tag applies to.
400 Bad Request - The request cannot be fulfilled due to bad syntax.