hash search

hash search
хэш-поиск, поиск с хешированием
см. тж. hashing algorithm

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

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  • Hash (Unix) — hash is a Unix command that prints the location information for the commands found. yntaxksh: hash [name] DescriptionWhen the user gives a command, the shell searches for the command in the path specified in the PATH environmental variable and… …   Wikipedia

  • Hash table — Not to be confused with Hash list or Hash tree. Unordered map redirects here. For the proposed C++ class, see unordered map (C++). Hash Table Type unsorted dictionary Invented 1953 Time complexity in big O notation Average Worst case Space …   Wikipedia

  • Hash function — A hash function is any well defined procedure or mathematical function for turning some kind of data into a relatively small integer, that may serve as an index into an array. The values returned by a hash function are called hash values, hash… …   Wikipedia

  • Hash tree — A binary hash tree In cryptography and computer science Hash trees or Merkle trees are a type of data structure[citation needed] which contains a tree of summary information about a larger piece of da …   Wikipedia

  • Search algorithm — In computer science, a search algorithm, broadly speaking, is an algorithm that takes a problem as input and returns a solution to the problem, usually after evaluating a number of possible solutions. Most of the algorithms studied by computer… …   Wikipedia

  • Hash House Harriers — A large scale Hash. A run of the Lima Hash House Harriers in …   Wikipedia

  • Search data structure — In computer science, a search data structure is any data structure that allows the efficient retrieval of specific items from a set of items, such as a specific record from a database. The simplest, most general, and least efficient search… …   Wikipedia

  • hash table —    A method of representing data so that it can be found again very quickly.    A hash table assigns a special index code to each piece of data, and specially designed software uses this code to locate the data, rather than repeating what might… …   Dictionary of networking

  • Index (search engine) — Search engine indexing collects, parses, and stores data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, physics, and… …   Wikipedia

  • Rabin-Karp string search algorithm — The Rabin Karp algorithm is a string searching algorithm created by Michael O. Rabin and Richard M. Karp in 1987 that uses hashing to find a substring in a text. It is used for multiple pattern matching rather than single pattern matching. For… …   Wikipedia

  • SHA hash functions — The SHA hash functions are a set of cryptographic hash functions designed by the National Security Agency (NSA) and published by the NIST as a U.S. Federal Information Processing Standard. SHA stands for Secure Hash Algorithm. The five algorithms …   Wikipedia


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