restriction
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restriction
Logic Maths a condition that imposes a constraint on the possible values of a variable or on the domain of arguments of a function
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
What does it mean when you dream about a restriction?
Any form of restriction in a dream often mirrors some frustration in the dreamer’s personal or business life. The dreamer may be imposing restrictions on himself or herself as well as on others.
The Dream Encyclopedia, Second Edition © 2009 Visible Ink Press®. All rights reserved.
restriction
[ri¦strik·shən] (cell and molecular biology)
The degradation of foreign deoxyribonucleic acid by restriction endonucleases capable of recognizing particular patterns of specificity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
restriction
On land, an encumbrance limiting its use; usually imposed for community or mutual protection.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
restriction
A bug or design error that limits a program's capabilities,
and which is sufficiently egregious that nobody can quite work
up enough nerve to describe it as a feature. Often used
(especially by marketroid types) to make it sound as though
some crippling bogosity had been intended by the designers all
along, or was forced upon them by arcane technical constraints
of a nature no mere user could possibly comprehend (these
claims are almost invariably false).
Old-time hacker Joseph M. Newcomer advises that whenever choosing a quantifiable but arbitrary restriction, you should make it either a power of 2 or a power of 2 minus 1. If you impose a limit of 17 items in a list, everyone will know it is a random number - on the other hand, a limit of 15 or 16 suggests some deep reason (involving 0- or 1-based indexing in binary) and you will get less flamage for it. Limits which are round numbers in base 10 are always especially suspect.
Old-time hacker Joseph M. Newcomer advises that whenever choosing a quantifiable but arbitrary restriction, you should make it either a power of 2 or a power of 2 minus 1. If you impose a limit of 17 items in a list, everyone will know it is a random number - on the other hand, a limit of 15 or 16 suggests some deep reason (involving 0- or 1-based indexing in binary) and you will get less flamage for it. Limits which are round numbers in base 10 are always especially suspect.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Restriction
a limitation on production, sales, and export imposed by monopolies—especially international cartels—to inflate prices and obtain monopoly profits. Restrictions can also be imposed on credit.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.