What is foo

By clicking sign up, you agree to receive emails from Techopedia and agree to our Terms of Use and Privacy Policy. Foo is commonly used slang term in computer programming as a term to express different variables, functions and other specific concept commands. The meaning of foo in computer programming and pseudocode varies. Some users use the term extensively, while many others prefer descriptive names that decrease any possibility of misunderstanding. Foo and similar terms do not have an easily traceable origin, but there are several theories.

By: Justin Stoltzfus Contributor, Reviewer. A word meaning "fool", in the case of Mr. A commonly used programming variable, used when someone doesn't want to spend the time thinking up a real name for it. A metasyntactic variable commonly used by coders. Foo is often used in conjunction with the words bar baz and qux. Dont we have any good food? Connect and share knowledge within a single location that is structured and easy to search. I hope this qualifies as a programming question, as in any programming tutorial, you eventually come across 'foo' in the code examples.

Eastlake 3rd et al. Wikipedia calls these names Metasyntactic Variables. Python programmers supposedly use spam , eggs , ham , instead of foo , etc. There are good uses of foo in SA. I have also seen foo used when the programmer can't think of a meaningful name as a substitute for tmp , say , but I consider that to be a misuse of foo. Forward Observation Officer. An artillery officer who remained with infantry and tank battalions to set up observation posts in the front lines from which to observe enemy positions and radio the coordinates of targets to the guns further in the rear.

It is sometimes combined with bar to make foobar. Foo is a metasyntactic variable used heavily in computer science to represent concepts abstractly and can be used to represent any part of a Foo is the world of dreams no its not in Obert Skye's Leven Thumps series. Although it has many original inhabitants, most of its current dwellers are from Reality, and are known as nits. Representation of fool foolish person , in a Mr.

T accent en. It's a metasyntactic variable. The sound of the french fou, like: amour fou [crazy] written in english, would be foo, wouldn't it. Just fou. A foot without teeth.

Among my colleagues, the meaning or perhaps more accurately - the use of the term "foo" has been to serve as a placeholder to represent an example for a name. Today, I avoid using "foo" and prefer using this type of named substitution for a couple of reasons.

In my opinion every programmer has his or her own "words" that is used every time you need an arbitrary word when programming. How to pronounce foo? Alex US English. David US English. Mark US English. Daniel British. Libby British. Mia British. Karen Australian. Hayley Australian. Natasha Australian. Veena Indian. Priya Indian. Neerja Indian. Zira US English. Oliver British.