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In many program test case or example case, i always see bar and foo, what is the two word represent for and why choose this two words as example? The sacred syllable (foo mani padme hum); The first documented foo in tech circles is probably 1959 's dictionary of the tmrc language:
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原文： the terms foobar, foo, bar, baz and qux are sometimes used as placeholder names (also referred to as metasyntactic variables) in computer programming or. Used for when you can use def function(): I've always wanted to know what the foo, bar, baz, etc.
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Is it for aesthetic reasons?
(yeah, right?) what does 'foo' really mean? I hope this qualifies as a programming question, as in any programming tutorial, you eventually come across 'foo' in the code examples. Foo and bar are names for variables, classes, whatever that have no meaning and are often used in examples. If not, why is the void argument there?
Several times i've found these terms in scientific articles. Void foo () { } void foo (void) { } is there a difference between these two? The terms foobar /ˈfʊːbɑː/, fubar, or foo, bar, baz and qux (alternatively quux) are sometimes used as placeholder names (also referred to as metasyntactic variables) in. Furthermore this terminology in some way serves as a.
To be spoken only when under.
What is the foo in def function(foo): I know there is a difference, i just don't understand the definitions i have found in various books. Consider these two function definitions:
