Hash
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Look up hash in Wiktionary, the free dictionary. |
Hash, hashes, hash mark or hashing may refer to:
Substances
- Hash (food), a coarse mixture of ingredients
- Hashish, a cannabis product
Hash mark
- Hash marks, a marking on hockey rinks and gridiron football fields
- Hatch mark, a form of mathematical notation
- Number sign (#), also known as the hash mark, pound sign, or hashtag
- Service stripe, a military decoration
- Tally mark, a counting notation
Computing
- Hash function, a derivation of data, notably used in hash tables and also seen in cryptographic hash functions
- Hash table, a data structure using hash functions
- Cryptographic hash function, a hash function used to authenticate message integrity
- Fragment identifier, in computer hypertext, a string of characters that refers to a subordinate resource
- Geohash, a spatial data structure which subdivides space into buckets of grid shape
- Hashtag, a form of metadata often used on social networking websites
- hash (Unix), an operating system command
- Hash chain, a method of producing many one-time keys from a single key or password
- Password hash
- Zobrist hashing, a method of hashing chess positions into a key
Other uses
- Hash House Harriers, a running club
- Hash or hash mark, the glyph '#' , also called number sign
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