翻訳と辞書
Words near each other
・ harvard graphics
・ harvard mark ii machine
・ harvest
・ harvest c
・ has the x nature
・ hash
・ hash bucket
・ hash character
・ hash coding
・ hash collision
hash function
・ hash table
・ hashing
・ haskell
・ haskell b
・ haskell curry
・ haskell user's gofer system
・ hasl
・ hasp
・ hat


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hash function : FOLDOC
hash function
A hash coding function which assigns a data item distinguished by some "key" into one of a number of possible "hash buckets" in a hash table. The hash function is usually combined with another more precise function.
For example a program might take a string of letters and put it in one of twenty six lists depending on its first letter. Ideally, a hash function should distribute items evenly between the buckets to reduce the number of {hash collisions}. If, for example, the strings were names beginning with "Mr.", "Miss" or "Mrs." then taking the first letter would be a very poor hash function because all names would hash the same.
(1997-08-03)



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