· 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? I hope this qualifies as a programming question, as in any programming tutorial, you eventually come across 'foo' in the code examples. (yeah, right?) what does 'foo' really mean? If it is meant to · 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 computer … · What is the foo in def function(foo): used for when you can use def function(): too? I know there is a difference, I just don't understand the definitions I have found in various books … The first documented "foo" in tech circles is probably 1959 's Dictionary of the TMRC Language: FOO: the sacred syllable (FOO MANI PADME HUM); to be spoken only when under inspiration to … · 2 A standard token. "Foo" and "Bar" are names for variables, classes, whatever that have no meaning and are often used in examples. I've always wanted to know what the foo, bar, baz, etc... names mean. Several times I've found these terms in scientific articles. Furthermore this terminology in some way serves as a standard … Consider these two function definitions: void foo () { } void foo (void) { } Is there a difference between these two? If not, why is the void argument there? Is it for aesthetic reasons? @Raj Kaimal: AS is used for aliasing - table and column. The question was what does foo represent.
