Code (disambiguation)

A code is a rule for converting a piece of information into another object or action, not necessarily of the same sort.

Code may also refer to:

Science and technology

• Coding theory, branch of mathematics and computer science dealing with data transmission
• Code (cryptography), device for hiding the meaning of a message
• Nomenclature codes, rulebooks of scientific naming convention
• Code (semiotics), device to carry information in a verbal and/or nonverbal form
• Same as variety (linguistics): language, dialect, or language register
• Code (set theory), set with a particular isomorphism to another set

• Machine code, a sequence of instructions to a processor unit
• Source code in computing, a sequence of statements and/or declarations written in some human-readable (usually as a text) computer programming language
• Code (metadata), data elements whose allowable values can be represented as enumerated lists
• Code point, colloquially referred as a [character] code (in some encoding)
• Medical term for cardiac arrest

Specific codes

• Morse code, a method which humans can transmit letters using only short and long pulses
• Baudot code was used in telegraphy
• Barcode, an optical machine-readable representation of data relating to the object to which it is attached
• Product code (disambiguation), identifier of an individual product
• Hospital emergency codes, used in hospitals worldwide to alert staff to various emergencies

Society and law

• Code (law), body of law written and enforced by a state
  • Legal code (municipal), a body of law written by a governmental body, such as a U.S. state, a Canadian Province or German Bundesland or a municipality
• Ethical code, adopted by a profession, by a governmental or quasi-governmental organ, or by a trade group or other organization

Entertainment

Performance

• Code of non-infringement or The Code, of clowns and other performers

Literature

• Code and Other Laws of Cyberspace, a 1999 book by Lawrence Lessig
  • Code: Version 2.0, a 2006 update to the 1999 book by Lawrence Lessig
• Code: The Hidden Language of Computer Hardware and Software, a 1999 book by Charles Petzold
• Code (novel), a novel by Kathy Reichs

Film

• Motion Picture Production Code or Hays Code, the voluntary US films censorship guidelines from 1930 to 1968
• The Code (2001 film), a 2001 Linux documentary
• Thick as Thieves (2009 film) or The Code, a 2009 Heist film

Music

• Code (album),a 1987 album by Cabaret Voltaire
• Code (audio standard), or ΧΟΔΕ, high-fidelity audio disc brand developed by T-Bone Burnett
• Code (band), Norwegian/English black metal band
• Codes (band), Irish indie electronic band
• "Decode" (song), a 2008 song by Paramore
• The Code (band), ska punk band
• U;Nee Code or Code, the 2003 debut album by Korean pop singer U;Nee

Television

• "The Code" (Smart Guy), a 1997 episode of Smart Guy
• The Code (2007 TV series), Australian observational documentary series
• The Code (UK TV series), 2011 British mathematics documentary series

Video games

• Code (video game), a puzzle video game
• Konami Code, a cheat code which appears in mainly Konami video games

Other uses

• Code, California, former settlement
• Code, any one of the distinct games known as football
• The Code or code of non-infringement
• Code, unit of scale in model railroading
• Code, in rugby, to refer to the difference between rugby league and rugby union, e.g. 'changing codes' (a player switching from playing one type of rugby to the other)

See also

• CODE (disambiguation)
• Coding (disambiguation)
• Codebook (disambiguation)
• Codex (disambiguation)
• Cod (disambiguation)
• Codec (disambiguation)
• Recode (disambiguation)
• Code name, a word or name used to refer to another name, word, project or person
• Coda (disambiguation)
• Code Breakers (disambiguation)
• Encoding (memory), store and recall information