Hash
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Look up hash in Wiktionary, the free dictionary.
Hash may refer to:
- Number sign, #, also called "pound sign" in the USA
- Hashish, a psychoactive drug derived from the Cannabis plant
- Hash Bash, an annual event in Ann Arbor, Michigan
- 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"
- Hash, Inc., sellers of 3D character animation software since 1987
[edit] Hash function
A 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" can mean:-
- A hash mark in mathematics (sometimes called a tick mark) is a short line perpendicular to an axis in analytic geometry
- Hash marks on some sports playing fields
- Service stripes on some USA armed forces uniforms.
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