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In computer programming, string interpolation (or variable interpolation, variable substitution, or variable expansion) is the process of evaluating a string literal containing one or more placeholders, yielding a result in which the placeholders are replaced with their corresponding values.
A string literal or anonymous string is a literal for a string value in the source code of a computer program. Modern programming languages commonly use a quoted sequence of characters, formally "bracketed delimiters", as in x = "foo", where , "foo" is a string literal with value foo. Methods such as escape sequences can be used to avoid the ...
The terms foobar (/ ˈ f uː b ɑːr /), foo, bar, baz, qux, quux, [1] and others are used as metasyntactic variables and placeholder names in computer programming or computer-related documentation. [2] They have been used to name entities such as variables, functions, and commands whose exact identity is unimportant and serve only to ...
The text editor could replace this byte with the replacement character to produce a valid string of Unicode code points for display, so the user sees "f r". A poorly implemented text editor might write out the replacement character when the user saves the file; the data in the file will then become 0x66 0xEF 0xBF 0xBD 0x72 .
Placeholder name, a term or terms referring to something or somebody whose name is not known or, in that particular context, is not significant or relevant. Filler text, text generated to fill space or provide unremarkable and/or standardised text. Lorem ipsum, a standard Latin text most commonly used to demonstrate a font, typography or layout.
Filler text (also placeholder text or dummy text) is text that shares some characteristics of a real written text, but is random or otherwise generated. It may be used to display a sample of fonts , generate text for testing, or to spoof an e-mail spam filter .
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Lorem ipsum (/ ˌ l ɔː. r ə m ˈ ɪ p. s ə m / LOR-əm IP-səm) is a dummy or placeholder text commonly used in graphic design, publishing, and web development to fill empty spaces in a layout that does not yet have content.