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⌘ Cmd+Space: ⊞ Win (Gnome) Search: Show desktop ⊞ Win+D: Fn+H or F11: Ctrl+Alt+D: Access SysTray ⊞ Win+B: ⇧ Shift+Alt+S: Switch window (next/previous) Alt+Tab ↹ / ⇧ Shift+Alt+Tab ↹. ⌘ Cmd+Tab ↹ / ⌘ Cmd+⇧ Shift+Tab ↹ (While in app switching window, ⌘ Cmd+` can be used to select backward, ⌘ Cmd+1 can be used to view ...
In SQL, wildcard characters can be used in LIKE expressions; the percent sign % matches zero or more characters, and underscore _ a single character. Transact-SQL also supports square brackets ([and ]) to list sets and ranges of characters to match, a leading caret ^ negates the set and matches only a character not within the list.
A page's overall score determines its place in the search results. A better match will raise the score. A section zero (lead-section) match is better than a numbered section. A title or headings match is better than a lead section match. A greater frequency of a search term is better. A direct match is better than a stemmed match.
In computer science, an algorithm for matching wildcards (also known as globbing) is useful in comparing text strings that may contain wildcard syntax. [1] Common uses of these algorithms include command-line interfaces, e.g. the Bourne shell [2] or Microsoft Windows command-line [3] or text editor or file manager, as well as the interfaces for some search engines [4] and databases. [5]
He later added this capability to the Unix editor ed, which eventually led to the popular search tool grep's use of regular expressions ("grep" is a word derived from the command for regular expression searching in the ed editor: g/re/p meaning "Global search for Regular Expression and Print matching lines"). [15]
Phrase search is one of many search operators that are standard in search engine technology, along with Boolean operators (AND, OR, and NOT), truncation and wildcard operators (commonly represented by the asterisk symbol), field code operators (which look for specific words in defined fields, such as the Author field in a periodical database ...
Historically, computer language syntax was restricted to the ASCII character set, and the asterisk * became the de facto symbol for the multiplication operator. This selection is reflected in the numeric keypad on English-language keyboards, where the arithmetic operations of addition, subtraction, multiplication and division are represented by ...
The asterisk (/ ˈ æ s t ər ɪ s k / *), from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star", [1] [2] is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star.