This report (last run NovMar 2729 20112012) is based on the output of [[Rosetta Code/Find bare lang tags]] and gives instances of <nowiki><lang></nowiki> tags on pages. The results of the run were encouraging: aboutover 98 .2% of the code snippets were marked with language names. C is the worst offender with 9264 (about 1510%) bare <nowiki><lang></nowiki> tags, probably because many of its outputs are coded with <nowiki><lang></nowiki> rather than <nowiki><pre></nowiki>.
Compared to last year, this represents a serious improvement. There are two dark spots, though: it seems that many new CoffeeScript and Mercury programs have been added which do not have lang tags. These should be fixed!
See [[Help:Syntax Highlighting]] for a list of language codes.
1 in APL ([[Arithmetic/Complex]])
21 in AutoHotkey ([[Long multiplication]], [[Ordered words]])
2 in BBC BASIC ([[Loops/For]], [[Permutations/Derangements]])
2 in Bracmat ([[Command-line arguments]], [[Integer sequence]])
1 in bc ([[Knuth shuffle]])
9264 in C ([[Arrays]], [[Atomic updates ]], [[Averages/Mode]], [[Balanced brackets]], [[Best shuffle ]], [[Box the compass]], [[Bulls and cows/Player]], [[Constrained random points on a circle]], [[Count in factors]], [[Count the coins]], [[Deconvolution/1D]], [[Deconvolution/2D+]], [[ DistributedDinesman's programmingmultiple-dwelling problem]], [[ DotDistributed productprogramming]], [[Draw a cuboid]], [[Draw a sphere]], [[Euler method]], [[Evaluate binomial coefficients]], [[Evolutionary algorithm]], [[Exceptions/Catch an exception thrown in a nested call]], [[Execute a Markov algorithm ]], [[Factors of an integer]], [[Fast Fourier transform]], [[Find common directory path ]], [[First class environments]], [[First-class functions]], [[Fork ]], [[Hamming numbers]], [[Happy numbers]], [[Hofstadter Q sequence]], [[Huffman coding]], [[Increment a numerical string]], [[Inverted index ]], [[Knapsack problem/0-1]], [[Last letter-first letter]], [[Longest string challenge]], [[Map range ]], [[Matrix transposition]], [[Maze generation]], [[Multiplication tables]], [[Multisplit ]], [[Non-continuous subsequences]], [[Non-decimal radices/Convert]], [[Number names]], [[Numerical integration/Gauss-Legendre Quadrature]], [[One of n lines in a file]], [[One-dimensional cellular automata]], [[Ordered Partitions]], [[Ordered words]], [[Pangram checker]], [[Parallel calculations]], [[Partial function application]], [[Pascal's triangle/Puzzle]], [[Permutation test ]], [[Playing cards]], [[Power set]], [[Priority queue]], [[Probabilistic choice]], [[Pythagorean triples]], [[ RangeQR expansiondecomposition]], [[Range extraction ]], [[Reverse a string]], [[Roots of a quadratic function ]], [[Rosetta Code/Rank languages by popularity]], [[S-Expressions]], [[Self-describing numbers]], [[Sorting algorithms/Sleep sort]], [[Sorting algorithms/Strand sort ]], [[Stable marriage problem]], [[Stem-and-leaf plot]], [[Strip control codes and extended characters from a string]], [[Sutherland-Hodgman polygon clipping ]], [[Symmetric difference]], [[Ternary logic]], [[Text processing/2]], [[Text processing/Max licenses in use]], [[Thiele's interpolation formula ]], [[Top rank per group]], [[Topological sort]], [[Truncatable primes]], [[Unbias a random generator]], [[Van der Corput sequence]], [[Variable-length quantity]], [[Vigenère cipher]], [[Write float arrays to a text file ]], [[Y combinator]], [[Zig-zag matrix]]) ▼15 in Bracmat ([[100 doors]], [[99 Bottles of Beer]], [[Ackermann function]], [[Best shuffle]], [[Inverted syntax]], [[Pattern matching]], [[Pythagorean triples]], [[Regular expressions]], [[String concatenation]], [[Sudoku]])
1812 in C sharp|C# ( [[Binary digits]], [[Closest-pair problem]], [[Color of a screen pixel]], [[Equilibrium index ]], [[Events]], [[Infinity]], [[Inverted index ]], [[Leap year]], [[Non-decimal radices/Input]], [[Numerical integration]], [[Polymorphic copy]], [[Power set]], [[Roots of a quadratic function ]], [[Roots of unity]], [[Short-circuit evaluation]], [[Stack traces ]], [[Symmetric difference]], [[Vector products]]) ▼▲92 in C ([[Arrays]], [[Atomic updates]], [[Averages/Mode]], [[Balanced brackets]], [[Best shuffle]], [[Box the compass]], [[Bulls and cows/Player]], [[Constrained random points on a circle]], [[Count in factors]], [[Count the coins]], [[Deconvolution/1D]], [[Deconvolution/2D+]], [[Distributed programming]], [[Dot product]], [[Draw a cuboid]], [[Draw a sphere]], [[Euler method]], [[Evaluate binomial coefficients]], [[Evolutionary algorithm]], [[Exceptions/Catch an exception thrown in a nested call]], [[Execute a Markov algorithm]], [[Factors of an integer]], [[Fast Fourier transform]], [[Find common directory path]], [[First class environments]], [[First-class functions]], [[Fork]], [[Hamming numbers]], [[Happy numbers]], [[Hofstadter Q sequence]], [[Huffman coding]], [[Increment a numerical string]], [[Inverted index]], [[Knapsack problem/0-1]], [[Last letter-first letter]], [[Longest string challenge]], [[Map range]], [[Matrix transposition]], [[Maze generation]], [[Multiplication tables]], [[Multisplit]], [[Non-continuous subsequences]], [[Non-decimal radices/Convert]], [[Number names]], [[Numerical integration/Gauss-Legendre Quadrature]], [[One of n lines in a file]], [[One-dimensional cellular automata]], [[Ordered Partitions]], [[Ordered words]], [[Pangram checker]], [[Parallel calculations]], [[Partial function application]], [[Pascal's triangle/Puzzle]], [[Permutation test]], [[Playing cards]], [[Power set]], [[Priority queue]], [[Probabilistic choice]], [[Pythagorean triples]], [[Range expansion]], [[Range extraction]], [[Reverse a string]], [[Roots of a quadratic function]], [[Rosetta Code/Rank languages by popularity]], [[S-Expressions]], [[Self-describing numbers]], [[Sorting algorithms/Sleep sort]], [[Sorting algorithms/Strand sort]], [[Stable marriage problem]], [[Stem-and-leaf plot]], [[Strip control codes and extended characters from a string]], [[Sutherland-Hodgman polygon clipping]], [[Symmetric difference]], [[Ternary logic]], [[Text processing/2]], [[Text processing/Max licenses in use]], [[Thiele's interpolation formula]], [[Top rank per group]], [[Topological sort]], [[Truncatable primes]], [[Unbias a random generator]], [[Van der Corput sequence]], [[Variable-length quantity]], [[Vigenère cipher]], [[Write float arrays to a text file]], [[Y combinator]], [[Zig-zag matrix]])
50 in CoffeeScript ([[24 game/Solve]], [[Align columns]], [[Arithmetic/Complex]], [[Averages/Simple moving average]], [[Balanced brackets]], [[Bitwise operations]], [[Case-sensitivity of identifiers]], [[Combinations]], [[Combinations with repetitions]], [[Constrained random points on a circle]], [[Date format]], [[Day of the week]], [[Delegates]], [[Evaluate binomial coefficients]], [[Find the missing permutation]], [[Flatten a list]], [[Forward difference]], [[Huffman coding]], [[Integer sequence]], [[Inverted index]], [[Knight's tour]], [[Knuth's algorithm S]], [[Langton's ant]], [[LZW compression]], [[Multiplication tables]], [[Mutual recursion]], [[Non-continuous subsequences]], [[Nth root]], [[Number names]], [[Numerical integration]], [[One-dimensional cellular automata]], [[Ordered words]], [[Partial function application]], [[Power set]], [[Priority queue]], [[Problem of Apollonius]], [[Queue/Definition]], [[Queue/Usage]], [[Roots of a function]], [[S-Expressions]], [[Sequence of non-squares]], [[Sorting algorithms/Permutation sort]], [[Sorting algorithms/Sleep sort]], [[Spiral matrix]], [[Tree traversal]], [[Truncatable primes]], [[Unbias a random generator]], [[URL decoding]], [[Web scraping]], [[Zig-zag matrix]])
▲18 in C sharp|C# ([[Binary digits]], [[Closest-pair problem]], [[Color of a screen pixel]], [[Equilibrium index]], [[Events]], [[Infinity]], [[Inverted index]], [[Leap year]], [[Non-decimal radices/Input]], [[Numerical integration]], [[Polymorphic copy]], [[Power set]], [[Roots of a quadratic function]], [[Roots of unity]], [[Short-circuit evaluation]], [[Stack traces]], [[Symmetric difference]], [[Vector products]])
2618 in Common Lisp ([[Ackermann function ]], [[Anagrams]], [[Anagrams/Deranged anagrams]], [[Best shuffle]], [[Count in factors]], [[Evolutionary algorithm ]], [[Hamming numbers]], [[Hofstadter Figure-Figure sequences]], [[Hofstadter Q sequence ]], [[Knapsack problem/0-1]], [[Knuth's algorithm S]], [[Levenshtein distance ]], [[Maze generation]], [[Ordered Partitions]], [[Permutation test ]], [[Permutations]], [[Pythagorean triples]], [[Rate counter ]], [[Roman numerals/Decode]], [[Self-referential sequence]], [[Sorting algorithms/Strand sort]], [[Ternary logic]], [[Thiele's interpolation formula]], [[Unbias a random generator]], [[Van der Corput sequence]], [[Vigenère cipher]]) ▼1 in C++ ([[Dot product]])
3 in Clojure ([[Forest fire]], [[Knapsack problem/0-1]], [[Top rank per group]])
▲26 in Common Lisp ([[Ackermann function]], [[Anagrams]], [[Anagrams/Deranged anagrams]], [[Best shuffle]], [[Count in factors]], [[Evolutionary algorithm]], [[Hamming numbers]], [[Hofstadter Figure-Figure sequences]], [[Hofstadter Q sequence]], [[Knapsack problem/0-1]], [[Knuth's algorithm S]], [[Levenshtein distance]], [[Maze generation]], [[Ordered Partitions]], [[Permutation test]], [[Permutations]], [[Pythagorean triples]], [[Rate counter]], [[Roman numerals/Decode]], [[Self-referential sequence]], [[Sorting algorithms/Strand sort]], [[Ternary logic]], [[Thiele's interpolation formula]], [[Unbias a random generator]], [[Van der Corput sequence]], [[Vigenère cipher]])
1 in D ([[Doubly-linked list/Traversal]])
1 in Dart ([[Mandelbrot set]])
2 in Delphi ([[Doubly-linked list/Traversal]], [[Events]])
1 in Dylan ([[LZW compression]])
1 in E ([[Shell one-liner]])
51 in Erlang ([[Apply a callback to an array]], [[Averages/Root mean square]], [[Dot product]], [[Happy numbers]], [[LZW compression]])
1 in Euler Math Toolbox ([[100 doors]])
8 in Factor ([[Inverted index]], [[Mutual recursion]], [[One-dimensional cellular automata]], [[Probabilistic choice]], [[Singly-linked list/Element definition]], [[Towers of Hanoi]], [[Y combinator]]) ▼
▲85 in Factor ([[Inverted index]], [[Mutual recursion ]], [[One-dimensional cellular automata]], [[Probabilistic choice]], [[Singly-linked list/Element definition ]], [[Towers of Hanoi]], [[Y combinator]])
1 in Fantom ([[Empty program]])
209 in Fortran ([[Arithmetic/Rational]], [[Combinations]], [[Command-line arguments]], [[Dot product]], [[Evaluate binomial coefficients]], [[Evolutionary algorithm]], [[Find limit of recursion]], [[Happy numbers]], [[Leap year]], [[Number names]], [[Pangram checker]], [[Permutations]], [[Price fraction]], [[Quine]], [[Reverse a string]], [[Rot-13]], [[Sieve of Eratosthenes]])
21 in GAP ([[Factors of an integer]], [[Sequence of non-squares]])
1 in gnuplot ([[Greatest common divisor]])
52 in Go ([[Bitmap/Midpoint circle algorithm]], [[Combinations with repetitions]], [[Kaprekar numbers]], [[Knapsack problem/Bounded]], [[Ordered PartitionsJSON]])
1 in HicEst ([[Averages/Median]])
3024 in J ([[Address of a variable]], [[Averages/Mode]], [[Discordian date]], [[First-class functions]], [[First-class functions/Use numbers analogously]], [[GUI enabling/disabling of controls]], [[Galton box animation]], [[Greatest subsequential sum]], [[Guess the number]], [[Guess the number/With feedback]], [[Guess the number/With feedback (player)]], [[JSONGUI enabling/disabling of controls]], [[Leap yearJSON]], [[Loops/Nested]], [[Morse code]], [[Narcissist]], [[Number names]], [[Numeric error propagation]], [[Permutation test]], [[Pythagorean triples]], [[Quaternion type]], [[Short-circuit evaluation]], [[Sorting algorithms/Bead sort]], [[Stable marriage problem]], [[Towers of Hanoi]], [[XML/Output]], [[Yin and yang]])
54 in JavaJavaScript ([[CaesarBest ciphershuffle]], [[DotCatalan productnumbers]], [[MazeCombinations generation]], [[Multiplicationwith tablesrepetitions]], [[SortingCount algorithms/Pancakein sortfactors]])
6 in JavaScript ([[Best shuffle]], [[Catalan numbers]], [[Combinations with repetitions]], [[Count in factors]], [[Dragon curve]], [[Maze generation]])
1 in K ([[File IO]])
12 in LuaKorn Shell ([[DragonBitmap/Bresenham's line curvealgorithm]])
12 in Mathematica ([[PrimalityFind bylimit trialof divisionrecursion]], [[Introspection]])
9 in Mathprog ([[Averages/Arithmetic mean]], [[Greatest subsequential sum]], [[Knapsack problem/Continuous]], [[Knight's tour]])
22 in Mercury ([[A+B]], [[Arithmetic/Integer]], [[Command-line arguments]], [[Concurrent computing]], [[Count in octal]], [[Execute a system command]], [[Formatted numeric output]], [[Hello world/Standard error]], [[Input loop]], [[Loop over multiple arrays simultaneously]], [[Loops/Downward for]], [[Loops/For]], [[Mutual recursion]], [[OpenGL]], [[Real constants and functions]], [[SEDOLs]], [[Sort an integer array]], [[String case]], [[String concatenation]], [[Sum of squares]], [[Tokenize a string]], [[Vector products]])
2 in MUMPS ([[Copy a string]], [[Integer comparison]])
1 in Nemerle ([[Short-circuit evaluation]])
1 in NetRexx ([[Classes]])
1 in NewLISP ([[Towers of Hanoi]])
2 in Nimrod ([[Loops/Foreach]], [[Towers of Hanoi]])
1 in Octave ([[Count in factors]])
1711 in Perl ([[Box the compass ]], [[Caesar cipher]], [[Extend your language]], [[Factors of a Mersenne number ]], [[Greatest subsequential sum]], [[Hamming numbers]], [[History variables]], [[Huffman coding ]], [[Knapsack problem/Bounded]], [[Linear congruential generator ]], [[Maze generation]], [[Narcissist]], [[Numeric error propagation]], [[Priority queue]], [[Queue/Usage ]], [[Roman numerals/Decode]], [[Unbias a random generator]]) ▼1 in Opal ([[Spiral matrix]])
139 in Perl 6 ([[Concurrent computing]], [[Constrained genericity]], [[Create a two-dimensional array at runtime]], [[Hofstadter-Conway $10,000 sequence]], [[Least common multiple]], [[Logical operations ]], [[MD5]], [[Morse code]], [[Numerical integration ]], [[One-dimensional cellular automata]], [[Primality by trial division]], [[Queue/Usage ]], [[Seven-sided dice from five-sided dice]]) ▼▲17 in Perl ([[Box the compass]], [[Caesar cipher]], [[Extend your language]], [[Factors of a Mersenne number]], [[Greatest subsequential sum]], [[Hamming numbers]], [[History variables]], [[Huffman coding]], [[Knapsack problem/Bounded]], [[Linear congruential generator]], [[Maze generation]], [[Narcissist]], [[Numeric error propagation]], [[Priority queue]], [[Queue/Usage]], [[Roman numerals/Decode]], [[Unbias a random generator]])
3 in PHP ([[Combinations with repetitions]], [[Greatest subsequential sum]], [[Power set]])
▲13 in Perl 6 ([[Concurrent computing]], [[Constrained genericity]], [[Create a two-dimensional array at runtime]], [[Hofstadter-Conway $10,000 sequence]], [[Least common multiple]], [[Logical operations]], [[MD5]], [[Morse code]], [[Numerical integration]], [[One-dimensional cellular automata]], [[Primality by trial division]], [[Queue/Usage]], [[Seven-sided dice from five-sided dice]])
21 in PicoLisp ([[Loops/Nested]], [[Sudoku]])
3928 in PL/I ( [[Anagrams]], [[Array concatenation]], [[Assertions]], [[Averages/Simple moving average ]], [[Binary digits]], [[Bitmap/Bresenham's line algorithm]], [[Bitmap/Flood fill]], [[Bitmap/Midpoint circle algorithm ]], [[Caesar cipher]], [[Call a foreign-language function]], [[Closest-pair problem]], [[Compile-time calculation]], [[Create a two-dimensional array at runtime ]], [[Doubly-linked list/Traversal]], [[Evaluate binomial coefficients]], [[Exceptions]], [[ FizzBuzzHandle a signal]], [[ GammaHofstadter Figure-Figure functionsequences]], [[ HandleHofstadter aQ signalsequence]], [[Linear congruential generator ]], [[Matrix transposition]], [[Multiplication tables]], [[ OrderedParsing/Shunting-yard words]], [[Pangram checkeralgorithm]], [[Pascal's triangle ]], [[Program termination]], [[Queue/Usage ]], [[Range expansion]], [[Range extraction]], [[Sequence of non-squares]], [[Sorting algorithms/Pancake sort ]], [[Strip whitespace from a string/Top and tail]], [[Vector products]]) ▼1 in Piet ([[Factorial]])
2318 in PostScript ([[100 doors]], [[Ackermann function]], [[Arithmetic/Complex]], [[Arrays]], [[Averages/Arithmetic mean]], [[Averages/Pythagorean means ]], [[Averages/Root mean square]], [[Boolean values]], [[Comments ]], [[Dot product]], [[Flatten a list ]], [[Function definition]], [[Higher-order functions]], [[Mutual recursion]], [[Sequence of non-squares]], [[String length]], [[Sum and product of an array]], [[Sum of a series]], [[Sum of squares]]) ▼▲39 in PL/I ([[Anagrams]], [[Array concatenation]], [[Assertions]], [[Averages/Simple moving average]], [[Binary digits]], [[Bitmap/Bresenham's line algorithm]], [[Bitmap/Flood fill]], [[Bitmap/Midpoint circle algorithm]], [[Caesar cipher]], [[Call a foreign-language function]], [[Closest-pair problem]], [[Compile-time calculation]], [[Create a two-dimensional array at runtime]], [[Doubly-linked list/Traversal]], [[Evaluate binomial coefficients]], [[Exceptions]], [[FizzBuzz]], [[Gamma function]], [[Handle a signal]], [[Linear congruential generator]], [[Matrix transposition]], [[Multiplication tables]], [[Ordered words]], [[Pangram checker]], [[Pascal's triangle]], [[Program termination]], [[Queue/Usage]], [[Range expansion]], [[Range extraction]], [[Sequence of non-squares]], [[Sorting algorithms/Pancake sort]], [[Strip whitespace from a string/Top and tail]], [[Vector products]])
1 in Pop11 ([[Y combinator]])
▲23 in PostScript ([[100 doors]], [[Ackermann function]], [[Arithmetic/Complex]], [[Arrays]], [[Averages/Arithmetic mean]], [[Averages/Pythagorean means]], [[Averages/Root mean square]], [[Boolean values]], [[Comments]], [[Dot product]], [[Flatten a list]], [[Function definition]], [[Higher-order functions]], [[Mutual recursion]], [[Sequence of non-squares]], [[String length]], [[Sum and product of an array]], [[Sum of a series]], [[Sum of squares]])
1 in Powerbuilder ([[Averages/Root mean square]])
2 in PowerShell ([[Find common directory path]], [[Find limit of recursion]])
2 in ProDOS ([[Dynamic variable names]], [[Menu]])
85 in Python ( [[Caesar cipher]], [[History variables]], [[Hofstadter Figure-Figure sequences ]], [[Maze generation]], [[Pi]], [[Pythagorean triples]], [[Sorting algorithms/Strand sort]], [[Strip control codes and extended characters from a string]])▼3 in Prolog ([[Anagrams]], [[Factors of an integer]], [[Pangram checker]])
[[Strip control codes and extended characters from a string]])
84 in R ( [[Factors of an integer]], [[Find the missing permutation ]], [[Hailstone sequence]], [[Number reversal game ]], [[Pangram checker]]) ▼▲8 in Python ([[Caesar cipher]], [[History variables]], [[Hofstadter Figure-Figure sequences]], [[Maze generation]], [[Pi]], [[Pythagorean triples]], [[Sorting algorithms/Strand sort]], [[Strip control codes and extended characters from a string]])
▲8 in R ([[Factors of an integer]], [[Find the missing permutation]], [[Hailstone sequence]], [[Number reversal game]], [[Pangram checker]])
1 in Retro ([[Draw a cuboid]])
65 in REXX ([[Ackermann function]], [[Handle a signal]], [[Range extraction]], [[Short-circuit evaluation]], [[Sum of a series]], [[Towers of Hanoi]])
3 in Salmon ([[Doubly-linked list/Traversal]], [[Happy numbers]], [[Loops/Foreach]])
3 in Scala ([[Evaluate binomial coefficients]], [[Permutations]], [[String interpolation (included)]]) ▼
32 in Scheme ([[Averages/Pythagorean means]], [[Averages/Root mean square]], [[Bitmap]], [[Bitwise operations]], [[Collections]], [[Conditional structures]], [[Count in factors]], [[Dot product]], [[Evaluate binomial coefficients]], [[Function composition]], [[Hamming numbers]], [[Hofstadter Q sequence]], [[Horner's rule for polynomial evaluation]], [[Interactive programming]], [[One-dimensional cellular automata]], [[Pascal's triangle]], [[Playing cards]], [[Power set]], [[Reduced row echelon form]], [[Sieve of Eratosthenes]], [[Sorting algorithms/Heapsort]], [[Y combinator]]) ▼
1 in Smalltalk ([[Y combinator]])
1 in SNOBOL4 ([[Reverse a string]])
▲32 in Scala ([[Evaluate binomial coefficients ]], [[Permutations]], [[String interpolation (included)]])
1 in UNIX Shell ([[Sieve of Eratosthenes]])
▲3225 in Scheme ([[Averages/Pythagorean means ]], [[Averages/Root mean square]], [[Bitmap]], [[Bitwise operations]], [[Collections]], [[Conditional structures]], [[Count in factors ]], [[Dot product]], [[Evaluate binomial coefficients]], [[Function composition ]], [[Hamming numbers]], [[Hofstadter Q sequence]], [[Horner's rule for polynomial evaluation]], [[Interactive programming ]], [[One-dimensional cellular automata]], [[Pascal's triangle ]], [[Playing cards]], [[Power set]], [[Reduced row echelon form]], [[Sieve of Eratosthenes ]], [[Sorting algorithms/Heapsort]], [[Y combinator]])
1 in UnixPipes ([[Stack]])
1 in VUNIX Shell ([[QuineSimple database]])
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