Hash
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Look up hash in Wiktionary, the free dictionary.
Hash may refer to:
- Hash symbol, #, called "number sign" or "pound sign" in the USA and Canada
- Hashish, a psychoactive drug derived from the Cannabis plant
- Hash (food), a coarse chunky mixture of beef and other things, e.g. corned beef hash; cf. Hash brown
- Hash House Harriers, a loosely-organized group of social organizations focused on running and camaraderie; also referred to as "hashing"
- Bike Hashing, a social group of cyclists who practice a mountain bicycle form of "hashing"
- Hash, Inc., sellers of 3D character animation software since 1987
[edit] Hash function
Hash function is a small digital "fingerprint" made from any kind of data. Some types are:
- Cryptographic hash function, a hash function suitable for use in information security
- Hash table, a data structure associating keys with values using a hash function
- Associative array, an abstract data type often implemented as a hash table
- Geometric hashing, a method for efficiently finding geometric objects of the same or similar shape
[edit] Hash mark
Hash mark may refer to:
- Hatch mark, in mathematics, sometimes called a hash mark or tick mark, a short line perpendicular to an axis in analytic geometry
- Hash marks, the markings on hockey rinks and gridiron football fields
- Service stripe, commonly called a hash mark, a decoration of the United States military
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