Any symbol or Basically the idea is to convey your code without as much extraneous information that could possibly get away from how the code works (i.e. No. other words, just as in algebra letters are used as variables for PS I've included your quote in my big answer: Note that just below the question is a banner: There are many other short answers. @Jonathan Fingland: No it doesn't. Swapping out our Syntax Highlighter. ©2020 GT.net. [3] If true this is related to the Chinese word fu ("福", sometimes transliterated foo), which can mean happiness or blessing. "The last war was too near for that." Due to English being the foundation-language, or lingua franca, of most computer programming languages these variables are commonly seen even in programs and examples of programs written for other spoken-language audiences.

A foo counter could simply have randomly flashing lights, or could be a real counter with an obscure input. Why do many code examples, especially tutorials, use the names "Foo" and "Bar" so often? It might be good to mention that in the body of your answer. In the following example the baz, foo, and bar are metasyntactic Our first obligation is to keep the Foo Counters turning. This would have been circa 1964 or so. Lines beginning with // are comments. The variable FOOBAR was used to contain the player's progress in saying the magic phrase "Fee Fie Foe Foo". Some jargon terms are also used as metasyntactic names; barf and mumble, for example.See also Commonwealth Hackish for discussion of numerous metasyntactic variables found in Great Britain and the Commonwealth. Day of Battle: The War in Sicily and Italy, 1943-1944, shot down 23 Army Air Force C-47 transports, programmers.stackexchange.com/questions/69788/…, Wikipedia gives this definition of Metasyntactic Variable, The Programming Language LISP: its Operation and Applications, http://www.catb.org/jargon/html/F/foo.html, Nvidia has acquired Arm. # Declare the variable foo and set equal to 1 foo = 1 # Declare the variable bar and set equal to 2 bar = 2 # Declare the method (function) named baz, which prints the text 'Hello world' def baz … "Foo" and "bar" as metasyntactic variables were popularised by MIT and DEC, the first references are in work on LISP and PDP-1 and Project MAC from 1964 onwards. including the data, variables, By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. In the 1938 Warner Brothers What happens if a domestic flight lands in a foreign country due to an emergency? often used alone; foo, bar, and baz of things under discussion.

They occur both in series (used for related groups of variables or objects) and as singletons. such as schematic variable (see logical form). shme The Jargon File makes a case that foo possibly predates FUBAR, From the Jargon Files http://www.catb.org/jargon/html/F/foo.html.

Stick with mis-named concepts or rename them in wrapper code? RFC3092). Foo and Bar (otherwise known as FUBAR...F***ed Up Beyond All Recognition) has just been used as standard generic names for things like classes, properties, method names, etc. Multiflush: stop-all-trains-button.

General trend of thought might be best interpreted from the remarks rev 2020.9.24.37673, The best answers are voted up and rise to the top, Software Engineering Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. [citation The compounds foobar and `foobaz' also enjoy very wide currency. the vulgar military acronym FUBAR, or it may have gained popularity These were general purpose buttons and were often re-purposed for whatever fun idea the MIT hackers had at the time, hence the adoption of foo and bar as general purpose variable names. What's the word for asking someone to deliver their promise? A year before the TMRC dictionary, 1958's MIT Voo Doo Gazette ("Humor suplement of the MIT Deans' office") (PDF) mentions Foocom, in "The Laws of Murphy and Finagle" by John Banzhaf (an electrical engineering student): Further research under a joint Foocom and Anarcom grant expanded the law to be all embracing and universally applicable: If anything can go wrong, it will! eponym of the language. The terms foobar (/ ˈ f uː b ɑːr /), or foo and others are used as metasyntactic variables and placeholder names in computer programming or computer-related documentation. It also points to antecedents like the "SILENCE IS FOO" sign in Warner Brother's 1938 cartoon "The Daffy Doc". usage, and are merely logical (In fact, "foo" probably predates both "foobar" and "FUBAR".) Foo has entered the English language On the IBM side of FOO(FU)BAR is the use of the BAR side as Base Address Register; in the middle 1970's CICS programmers had to worry out the various xxxBARs...I think one of those was FRACTBAR... 1973 foo bar International Joint Council on Artificial Intelligence, 1975 foo bar International Joint Council on Artificial Intelligence.

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