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A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's ...
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Wikipedia is a wiki, meaning anyone can edit nearly any [1] page and improve articles immediately. You do not need to register to do this, and anyone who has edited is known as a Wikipedian or editor.
A note about editing on mobile devices: Most Wikipedians prefer to edit from a computer, as the editing interface works better there. You can edit from a mobile device and tablet, though.
Wikipedia is a free, collaborative, online encyclopedia which allows its users to write and edit articles via wiki software. [1] [2] The website provides a user-friendly interface for both editing on articles and reversing other users' edits.
The January 16, 2001, edit of "UuU" that was formerly the earliest-surviving edit in the Wikipedia database. Historically, the earliest surviving edit on Wikipedia's database was a January 16, 2001, revision of the page UuU, created as a list of countries starting with the letter U and oddly titled due to software considerations of the time.
If you want to add a "lame edit war" to this page, keep the following in mind: It must have been an actual edit war. Discussions on talk pages, even over trivially lame details, are not "edit wars" and are, therefore, NOT suitable for this page: we want to encourage such rational debates between users/viewpoints (as opposed to actual edit warring).
A world-sheet is then an embedded surface, that is, an embedded 2-manifold , such that the induced metric has signature (, +) everywhere. Consequently it is possible to locally define coordinates ( τ , σ ) {\displaystyle (\tau ,\sigma )} where τ {\displaystyle \tau } is time-like while σ {\displaystyle \sigma } is space-like .