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A recursive step — a set of rules that reduces all successive cases toward the base case. For example, the following is a recursive definition of a person's ancestor. One's ancestor is either: One's parent (base case), or; One's parent's ancestor (recursive step). The Fibonacci sequence is another classic example of recursion: Fib(0) = 0 as ...
RE2 (software) RE2 is a software library for regular expressions via a finite-state machine using automata theory, in contrast to almost all other regular expression libraries, which use backtracking implementations. It provides a C++ interface. RE2 was implemented and used by Google.
chmod. In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags (the setuid, setgid, and sticky flags) of file system objects ( files and directories ).
In computing, tree is a recursive directory listing command or program that produces a depth-indented listing of files. Originating in PC- and MS- DOS, it is found in Digital Research FlexOS, [1] IBM / Toshiba 4690 OS, [2] PTS-DOS, [3] FreeDOS, [4] IBM OS/2, [5] Microsoft Windows, [6] and ReactOS. A version for Unix and Unix-like systems is ...
A cheat sheet on data wrangling. KNIME Press also publishes cheat sheets that are available online for free download. KNIME cheat sheets group the essential set of nodes users should keep handy to solve common data tasks. Examples of cheat sheets include “Building a KNIME workflow for Beginners” or “KNIME Analytics Platform for ...
Recursive language. In mathematics, logic and computer science, a formal language (a set of finite sequences of symbols taken from a fixed alphabet) is called recursive if it is a recursive subset of the set of all possible finite sequences over the alphabet of the language. Equivalently, a formal language is recursive if there exists a Turing ...
A recursive definition of a function defines values of the function for some inputs in terms of the values of the same function for other (usually smaller) inputs. For example, the factorial function n! is defined by the rules. This definition is valid for each natural number n, because the recursion eventually reaches the base case of 0.
The lawmakers called for the U.S. government to start spending at least $32 billion annually on AI “as soon as possible”—and that’s not including what it intends to spend on AI for defense ...