Category:Quackery
From Rosetta Code
This programming language may be used to instruct a computer to perform a task.
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Your Help Needed
If you know Quackery, please write code for some of the tasks not implemented in Quackery.
If you know Quackery, please write code for some of the tasks not implemented in Quackery.
Quackery is an implementation of Quackery.
Other implementations of Quackery.
Quackery is an open source, lightweight, entry level concatenative language for educational and recreational programming.
It is coded as a Python 3 function in under 48k of Pythonscript, half of which is a string of Quackery code.
The Quackery GitHub repository, which includes the Quackery manual "The Book of Quackery" in pdf form, is at github.com/GordonCharlton/Quackery.
Pages in category "Quackery"
The following 266 pages are in this category, out of 266 total.
A
- A+B
- ABC problem
- Abundant, deficient and perfect number classifications
- Ackermann function
- Alternade words
- Angle difference between two bearings
- Anonymous recursion
- Anti-primes
- Apply a callback to an array
- Arbitrary-precision integers (included)
- Arithmetic/Integer
- Array concatenation
- Attractive numbers
- Averages/Arithmetic mean
- Averages/Root mean square
B
C
- Caesar cipher
- Calculating the value of e
- Call a function
- Call an object method
- Case-sensitivity of identifiers
- Catalan numbers
- Catamorphism
- Character codes
- Church numerals
- Combinations
- Comma quibbling
- Comments
- Compare a list of strings
- Compile-time calculation
- Compound data type
- Conditional structures
- Continued fraction
- Convert decimal number to rational
- Convert seconds to compound duration
- Copy a string
- Count in factors
- Count in octal
- CRC-32
- Create a two-dimensional array at runtime
- Currying
D
E
F
- Factorial
- Factorial base numbers indexing permutations of a collection
- Factorions
- Factors of an integer
- Fairshare between two and more
- Farey sequence
- Fibonacci sequence
- Filter
- Find limit of recursion
- Find the last Sunday of each month
- Find words which first and last three letters are equals
- Five weekends
- FizzBuzz
- Flatten a list
- Floyd's triangle
- Fractal tree
- Function composition
- Function definition
- Function prototype
G
H
I
L
- Largest int from concatenated ints
- Largest proper divisor of n
- Last Friday of each month
- Leap year
- Least common multiple
- Left factorials
- Letter frequency
- Literals/Integer
- Literals/String
- Logical operations
- Long literals, with continuations
- Long multiplication
- Long year
- Longest common prefix
- Longest common suffix
- Loops/Break
- Loops/Continue
- Loops/Do-while
- Loops/Downward for
- Loops/For
- Loops/For with a specified step
- Loops/Foreach
- Loops/Infinite
- Loops/N plus one half
- Loops/While
- Luhn test of credit card numbers
M
O
P
- Palindrome detection
- Pangram checker
- Parsing/RPN calculator algorithm
- Partial function application
- Pascal's triangle
- Pentagram
- Perfect numbers
- Perfect shuffle
- Perfect totient numbers
- Permutations
- Pernicious numbers
- Phrase reversals
- Pi
- Pick random element
- Population count
- Power set
- Price fraction
- Primality by trial division
- Primality by Wilson's theorem
- Prime decomposition
- Probabilistic choice
- Proper divisors
R
S
- Sattolo cycle
- Self-hosting compiler
- Semiprime
- Semordnilap
- Sequence of primes by trial division
- Sequence: smallest number with exactly n divisors
- Set
- Shell one-liner
- Show ASCII table
- Show the (decimal) value of a number of 1s appended with a 3, then squared
- Sierpinski carpet
- Sierpinski pentagon
- Sierpinski triangle
- Sierpinski triangle/Graphical
- Sieve of Eratosthenes
- Sleeping Beauty problem
- Sort an integer array
- Sort using a custom comparator
- Sorting algorithms/Bogosort
- Sorting algorithms/Gnome sort
- Sorting algorithms/Heapsort
- Sorting algorithms/Insertion sort
- Sorting algorithms/Merge sort
- Sorting algorithms/Pancake sort
- Sorting algorithms/Quicksort
- Special characters
- Special variables
- Split a character string based on change of character
- Stack
- String case
- String concatenation
- String prepend
- Strip a set of characters from a string
- Strip whitespace from a string/Top and tail
- Sum and product of an array
- Sum digits of an integer
- Sum of a series
- Sum of squares
- Symmetric difference
- System time
