Rosetta Code

Rosetta Code is a wiki-based programming chrestomathy website with implementations of common algorithms and solutions to various programming problems in many different programming languages.[2][3] It is named for the Rosetta Stone, which has the same text inscribed on it in three languages, and thus allowed Egyptian hieroglyphs to be deciphered for the first time.[1]

This article is about a website. For code written for the protein-folding system, see Rosetta@home.
Rosetta Code
Front page of rosettacode.org
Available inEnglish
OwnerMichael Mol[1]
URLwww.rosettacode.org
LaunchedJanuary 1, 2007 (2007-01-01)
Current statusOnline
Content license
GFDL
Written inPHP, MediaWiki

Website

Rosetta Code was created in 2007 by Michael Mol.[1] The site's content is licensed under the GNU Free Documentation License 1.2, though some components may be dual-licensed under more permissive terms.[4]

The Rosetta Code web repository illustrates how desired functionality is implemented very differently in various programming paradigms,[5][6] and how "the same" task is accomplished in different programming languages.[7]

As of 22 February 2024, Rosetta Code has:[8]

  • 1,266 computer programming tasks (or problems)
  • 404 additional draft programming tasks
  • 933 computer programming languages that are used to solve tasks

In August 2022, Rosetta Code migrated from independent hosting to Miraheze.

Presently, Rosetta Code is hosted by WikiTide.[9]

Data and structure

The Rosetta Code site is organized as a browsable cross-section of tasks (specific programming problems or considerations) and computer programming languages.[3] A task's page displays visitor-contributed solutions in various computer languages, allowing a viewer to compare each language's approach to the task's stated problem.

Task pages are included in per-language listings based on the languages of provided solutions; a task with a solution in the C programming language will appear in the listing for C. If the same task has a solution in Ruby, the task will appear in the listing for Ruby as well.

Languages

Some of the computer programming languages found on Rosetta Code (which have Wikipedia descriptions) include: [10]

A complete list of the computer programming languages that have examples (entries/solutions to the Rosetta Code tasks) is available.[11]

Tasks

Some of the tasks found on Rosetta Code include:[12]

  • "99 Bottles of Beer" (song)
  • Abbreviations
  • Ackermann function
  • Amicable numbers
  • Anagrams
  • Bernoulli numbers
  • Bitwise operations
  • Cholesky decomposition
  • Combinations
  • Comments
  • Continued fractions
  • Cyclic redundancy check (CRC-32)
  • de Bruijn sequence
  • Death Star (draw)
  • Dot product
  • Dragon curve
  • Egyptian fractions
  • Eight queens puzzle
  • Factorials
  • Fibonacci sequence
  • FizzBuzz
  • Galton box (bean box) animation
  • Gamma function
  • Gaussian elimination
  • Greatest common divisor (GCD)
  • Hello world program Hello world/Text
  • Hofstadter Q sequence
  • Infinity
  • Least common multiple (LCM)
  • Leonardo numbers
  • Levenshtein distance
  • Look-and-say sequence
  • Lucas numbers
  • Lucas–Lehmer primality test
  • Mandelbrot set (draw)
  • Mersenne primes
  • Miller–Rabin primality test
  • Morse code
  • Numerical integration
  • Pascal's triangle (draw)
  • Perfect numbers
  • Permutations
  • Prime numbers (102 tasks)
  • Primorial numbers
  • Quaternions
  • Quine
  • Random numbers
  • Rock-paper-scissors (play)
  • Roman numerals (encode/decode)
  • Roots of unity
  • roots of a function
  • Rot13—a simple letter substitution cipher
  • Runge–Kutta method
  • SEDOLs
  • Semiprimes
  • Sierpinski triangle (draw)
  • Sorting algorithms (41)
  • Square-free integers
  • Statistics
  • Stem-and-leaf display
  • Function definition
  • Sudoku (solve)
  • Taxicab numbers
  • Thue–Morse sequence
  • Tic-tac-toe (noughts and crosses)
  • Tower of Hanoi (solve)
  • Trigonometric functions
  • Ulam spiral (draw)
  • Vampire numbers
  • Xiaolin Wu's line algorithm (draw)
  • Zebra Puzzle or Einstein riddle
  • Zeckendorf representation

See also
  • Example-centric programming

References
  1. "Rosetta Code:About - Rosetta Code". www.rosettacode.org. 8 August 2010.
  2. Ralf Lämmel. "Software chrestomathies". doi:10.1016/j.scico.2013.11.014. 2013.
  3. Nanz, Sebastian; Furia, Carlo A. (2015). A Comparative Study of Programming Languages in Rosetta Code. pp. 778–788. arXiv:1409.0252. doi:10.1109/ICSE.2015.90. ISBN 978-1-4799-1934-5. S2CID 2570311. Retrieved 2024-02-22. {{cite book}}: |website= ignored (help)
  4. "Rosetta Code:Copyrights". 24 January 2010. Retrieved 2010-12-19.
  5. Neil Walkinshaw. Chapter One: "Reverse-Engineering Software Behavior". "Advances in Computers". 2013. p. 14.
  6. Geoff Cox. "Speaking Code: Coding as Aesthetic and Political Expression". MIT Press, 2013. p. 6.
  7. Nick Montfort "No Code: Null Programs". 2013. p. 10.
  8. "Welcome to Rosetta Code". Retrieved 2007-01-07.
  9. "WikiTide". wikitide.org. Retrieved 2024-02-22.
  10. "Most linked-to categories". Retrieved 2024-02-22.
  11. "Rosetta Code/Languages/Full list". rosettacode.org. 4 March 2024.
  12. "Pages with the most categories". Retrieved 2018-10-11.
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