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1. a person, esp a police officer, in charge of a specially trained dog
2. a person who holds or incites a dog, gamecock, etc., esp in a race or contest
3. the trainer or second of a boxer
Daniel. born 1970, US writer for older children, best known for the macabre humour of his A Series of Unfortunate Events, a sequence of books written in the persona of Lemony Snicket
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A computer program developed to perform one particular function, such as control of input from, and output to, a specific peripheral device.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
handlerA software routine that performs a particular task. It often refers to a routine that "handles" an exception of some kind, such as an error, but it can refer to mainstream processes as well. The term is typically used in operating systems and other system software. For example, the routine that opens, reads, writes and closes a database in a full-blown database management system (DBMS) is commonly separated into a stand-alone runtime module that is inserted into an application. In such cases, a "database handler" is said to be embedded within the app. See DBMS.
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