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Occurs check information


In computer science, the occurs check is a part of algorithms for syntactic unification. It causes unification of a variable V and a structure S to fail if S contains V.

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Occurs check

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In computer science, the occurs check is a part of algorithms for syntactic unification. It causes unification of a variable V and a structure S to fail...

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Aircraft maintenance checks

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most comprehensive and demanding check for an airplane. This check occurs approximately every 6-10 years. It is a check that more or less takes the entire...

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Wellness check

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A wellness check (also known as a welfare check or a Safe and Well check) is an in-person visit from one or more law enforcement officers, especially...

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Check valve

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A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to...

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Brake check

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A brake check, also known as a brake test, occurs when a driver deliberately either taps on the brakes several times or slams hard on the pedal when moving...

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Cyclic redundancy check

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A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital...

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Demand paging

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processing instruction as normal. If page is invalid then a page-fault trap occurs. Check if the memory reference is a valid reference to a location on secondary...

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Checksum

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corner. General topic Algorithm Check digit Damm algorithm Data rot File verification Fletcher's checksum Frame check sequence cksum md5sum sha1sum Parchive...

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Background check

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trace/identity check Global sanctions check Civil offenses check Bankruptcy check Financial regulations check Psychometric tests International background check Gamer...

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Perpetual check

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Perpetual check can also occur in other forms of chess, although the rules relating to it might be different. For example, giving perpetual check is not...

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Check kiting

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Check kiting or cheque kiting (see spelling differences) is a form of check fraud, involving taking advantage of the float to make use of non-existent...

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Condition precedent

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that prevents the vesting of a gift or bequest until something occurs or fails to occur, e.g. the attainment of a certain age or the predecease of another...

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Longitudinal redundancy check

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redundancy check (TRC), to correct errors. The transverse redundancy check is stored on a dedicated "parity track". Whenever any single-bit error occurs in a...

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Bounds checking

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In computer programming, bounds checking is any method of detecting whether a variable is within some bounds before it is used. It is usually used to ensure...

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Parity bit

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A parity bit, or check bit, is a bit added to a string of binary code. Parity bits are a simple form of error detecting code. Parity bits are generally...

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Spell checker

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checker (or spelling checker or spell check) is a software feature that checks for misspellings in a text. Spell-checking features are often embedded in software...

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Check sheet

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The check sheet is a form (document) used to collect data in real time at the location where the data is generated. The data it captures can be quantitative...

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Physical verification

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Verification involves design rule check (DRC), layout versus schematic (LVS), XOR (exclusive OR), antenna checks and electrical rule check (ERC). DRC verifies that...

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Fatal system error

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An error (known as a system crash, stop error, kernel error, or bug check) occurs when an operating system halts because it has reached a condition where...

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ISBN

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the publisher, and "8" is the check digit. By prefixing a zero, this can be converted to ISBN 0-340-01381-8; the check digit does not need to be re-calculated...

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Member check

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In qualitative research, a member check, also known as informant feedback or respondent validation, is a technique used by researchers to help improve...

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