- zero one infinity rule
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The rule that a database (or similar) should allow for either zero, one, or an indefinite number of an entity.
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zero one infinity rule
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Zero One Infinity — The Zero One or Infinity (ZOI) rule is a rule of thumb in software design. It suggests that arbitrary limits on the number of instances of a particular entity should not be allowed. Specifically, that an entity should either be forbidden entirely … Wikipedia
L'Hôpital's rule — Guillaume de l Hôpital, after whom this rule is named. In calculus, l Hôpital s rule pronounced: [lopiˈtal] (also called Bernoulli s rule) uses derivatives to help evaluate limits involving indeterminate forms. Application … Wikipedia
Division by zero — This article is about the mathematical concept. For other uses, see Division by zero (disambiguation). The function y = 1/x. As x approaches 0 from the right, y approaches infinity. As x approaches 0 from the left, y approaches negative … Wikipedia
Parity of zero — Zero objects, divided into two equal groups Zero is an even number. In other words, its parity the quality of an integer being even or odd is even. Zero fits the definition of even number : it is an integer multiple of 2, namely 0 × 2. As a… … Wikipedia
Evenness of zero — The number 0 is even. There are several ways to determine whether an integer is even or odd, all of which indicate that 0 is an even number: it is a multiple of 2, it is evenly divisible by 2, it is surrounded on both sides by odd integers, and… … Wikipedia
Signed zero — is zero with an associated sign. In ordinary arithmetic, −0 = +0 = 0. However, in computing, some number representations allow for the existence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero). This… … Wikipedia
Zork Zero — Developer(s) Infocom Publisher(s) Infocom Designer(s) … Wikipedia
Oja's rule — Oja s learning rule, or simply Oja s rule, named after a Finnish computer scientist Erkki Oja, is a model of how neurons in the brain or in artificial neural networks change connection strength, or learn, over time. It is a modification of the… … Wikipedia
Nonzero-rule — A curve (top) is filled according to two rules: the even odd rule (left), and the non zero winding rule (right). In each case an arrow shows a ray from a point P heading out of the curve. In the even odd case, the ray is intersected by two lines … Wikipedia
Perl — This article is about the programming language. For other uses, see Perl (disambiguation). Perl Paradig … Wikipedia
