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How Wolfram Alpha could change software

 
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Old 08-01-2009
How Wolfram Alpha could change software

by Neil McAllister, InfoWorld Don’t call Wolfram Alpha a search engine. Billed by its creators at Wolfram Research as a “computational knowledge engine,” Wolfram Alpha uses mathematical techniques to cross-reference myriad specialized databases, producing unique results for each query. For example, query Wolfram Alpha for “San Francisco New York elevation” and you get back a page [...]

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Test Your Knowledge in Computers #268
Difficulty: Easy
In 1936, Turing published his paper 'On Computable Numbers, with an Application to the Entscheidungsproblem'. In this paper, Turing reformulated Kurt Godel's 1931 results on the limits of proof and computation, replacing Godel's universal arithmetic-based formal language with the formal and simple hypothetical devices that became known as Turing machines.
True or False?

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WHICH(1)						    BSD General Commands Manual 						  WHICH(1)

NAME
which -- locate a program file in the user's path SYNOPSIS
which [-as] program ... DESCRIPTION
The which utility takes a list of command names and searches the path for each executable file that would be run had these commands actually been invoked. The following options are available: -a List all instances of executables found (instead of just the first one of each). -s No output, just return 0 if any of the executables are found, or 1 if none are found. Some shells may provide a builtin which command which is similar or identical to this utility. Consult the builtin(1) manual page. SEE ALSO
builtin(1), csh(1), find(1), locate(1), whereis(1) HISTORY
The which command first appeared in FreeBSD 2.1. AUTHORS
The which utility was originally written in Perl and was contributed by Wolfram Schneider <wosch@FreeBSD.org>. The current version of which was rewritten in C by Daniel Papasian <dpapasia@andrew.cmu.edu>. BSD
June 21, 2002 BSD

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