Probably this is based on a translation of Latin clavis "key," used by Guido for "lowest tone of a scale," or French clef (see clef; also see keynote). Sense of "mechanism on a musical instrument operated by the player's fingers" is from c. 1500, probably also suggested by uses of clavis.
This phrase seems most common in the software industry. The first instance I know of is this post on a Python programming language newsgroup — Subject: If Guido was hit by a bus? From: Michael McLay Date: Wed, 29 Jun 94 10:07:42 EDT What if you saw this posted tommorrow. > Guido's unexpected death has come as a shock to us all. Disguntled > members of the Tcl mob are suspected, but no ...
You can see the last 10 IP addresses and approximate locations that accessed your Gmail account. If you got a warning about suspicious activity in your account, you might also see up to 3 additional IP addresses that have been labeled as suspicious. There are a few reasons you may see multiple IP addresses or locations in your activity: If you use POP or IMAP to read your mail on other ...
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