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Topic: Virtual function

	PHP: virtual - Manual
		This function may be used on PHP files.
		The key is the virtual function _because_ it delivers the modified content with an apache subrequest.
		Since my header is used by documents in my /www folder along with other folders inside that (and inside those), and virtual() seems to take only relative paths, I had to write some code to dynamically get the path to the perl script.
	www.php.net /manual/en/function.virtual.php (1042 words)

	Encyclopedia :: encyclopedia : Functional programming (Site not responding. Last check: 2007-10-16)
		Functions are treated as first-class values, which is to say that functions can be parameters or inputs to other functions and can be the return values or outputs of a function.
		Functions can be named, as in other languages, or defined anonymously (sometimes during program execution) using a lambda abstraction, and used as values in other functions.
		Functional languages have remained largely the domain of academics and hobbyists, and what little inroads have been made are due to impure functional languages such as Erlang and Common Lisp.
	www.hallencyclopedia.com /Functional_programming (2123 words)

	Java (programming language) - Wikipedia, the free encyclopedia
		Gosling's goals were to implement a virtual machine and a language that had a familiar C-like notation but with greater uniformity and simplicity than C/C++.
		The code is then run on a virtual machine (VM), a program written in native code on the host hardware that interprets and executes generic Java bytecode.
		Comparing Java and C++, it is possible in C++ to implement similar functionality (for example, a memory management model for specific classes can be designed in C++ to improve speed and lower memory fragmentation considerably), with the possible cost of extra development time and some application complexity.
	en.wikipedia.org /wiki/Java_programming_language (3962 words)

	C plus plus - Facts, Information, and Encyclopedia Reference article
		C++ supports this (via member functions and friend functions), but does not enforce it: the programmer can declare parts or all of the representation of a type to be public, and is also allowed to make public entities that are not part of the representation of the type.
		The functions are distinguished by the number and types of their formal parameters.
		Virtual inheritance ensures that only one instance of a base class exists in the inheritance graph, avoiding some of the ambiguity problems of multiple inheritance.
	www.startsurfing.com /encyclopedia/c/_/p/C_plus_plus.html (4032 words)

	I need the virtual() function and it is not available.
		I need the virtual() function and it is not available.
		However, you do not need it to accomplish your goals, which is having some other program executed at the same time as your php script, likely with output emitted as part of the html returned by the php script.
		Notice that when using virtual() you refer to the script to be executed by a path that begins at the Apache DOCUMENT_ROOT, which is in most cases /htdocs/www on the physical filesystem.
	www.modwest.com /help/kb5-212.html (593 words)

	Virtual Function Optimization (Site not responding. Last check: 2007-10-16)
		This is also known as Late Binding and is quite timeconsuming as the resolution of the function call is deffered till the function is actually called during the runtime.
		Thus it is advantageous to convert virtual calls to non-virtual calls whenever possible.
		In the code fragement below, the call to the virtual function can be resolved at compile time.
	www.nullstone.com /htmls/category/virtual.htm (149 words)

	Accelerator Form and Function : SLAC Virtual Visitor Center
		Accelerator Form and Function : SLAC Virtual Visitor Center
		Quite simply, accelerators give high energy to subatomic particles, which then collide with targets.
		Stanford Linear Accelerator Center, Menlo Park, CA Operated by Stanford University for the U.S. Dept. of Energy
	www2.slac.stanford.edu /vvc/accelerator.html (204 words)

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