task_url stringlengths 30 116 | task_name stringlengths 2 86 | task_description stringlengths 0 14.4k | language_url stringlengths 2 53 | language_name stringlengths 1 52 | code stringlengths 0 61.9k |
|---|---|---|---|---|---|
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #OCaml | OCaml | let a = (3.0, 4.0, 5.0)
let b = (4.0, 3.0, 5.0)
let c = (-5.0, -12.0, -13.0)
let string_of_vector (x,y,z) =
Printf.sprintf "(%g, %g, %g)" x y z
let dot (a1, a2, a3) (b1, b2, b3) =
(a1 *. b1) +. (a2 *. b2) +. (a3 *. b3)
let cross (a1, a2, a3) (b1, b2, b3) =
(a2 *. b3 -. a3 *. b2,
a3 *. b1 -. a1 *. b3,
... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #PHP | PHP | #!/usr/bin/php
<?php
$string = fgets(STDIN);
$integer = (int) fgets(STDIN); |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Picat | Picat | main =>
print("Enter a string: "),
String = read_line(),
print("Enter a number: "),
Number = read_int(),
println([string=String,number=Number]). |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Scala | Scala | $ include "seed7_05.s7i";
var integer: foo is 5; # foo is global
const proc: aFunc is func
local
var integer: bar is 10; # bar is local to aFunc
begin
writeln("foo + bar = " <& foo + bar);
end func;
const proc: main is func
begin
aFunc;
end func; |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Seed7 | Seed7 | $ include "seed7_05.s7i";
var integer: foo is 5; # foo is global
const proc: aFunc is func
local
var integer: bar is 10; # bar is local to aFunc
begin
writeln("foo + bar = " <& foo + bar);
end func;
const proc: main is func
begin
aFunc;
end func; |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Octave | Octave | a = [3, 4, 5];
b = [4, 3, 5];
c = [-5, -12, -13];
function r = s3prod(a, b, c)
r = dot(a, cross(b, c));
endfunction
function r = v3prod(a, b, c)
r = cross(a, cross(b, c));
endfunction
% 49
dot(a, b)
% or matrix-multiplication between row and column vectors
a * b'
% 5 5 -7
cross(a, b) % only for 3d-vectors
... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #PicoLisp | PicoLisp | (in NIL # Guarantee reading from standard input
(let (Str (read) Num (read))
(prinl "The string is: \"" Str "\"")
(prinl "The number is: " Num) ) ) |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Pike | Pike | int main(){
write("Enter a String: ");
string str = Stdio.stdin->gets();
write("Enter 75000: ");
int num = Stdio.stdin->gets();
} |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Set_lang | Set lang | set a 0 > Useless intialization - All lowercase variables have an initial value of 0
set b 66 > Simple variable assignment - ''b'' is now the ASCII value of 66, or the character 'B'
[c=0] set c 5 > Conditional variable assignment - If ''c'' is 0, then set ''c'' to 5
set ? 6 > A "goto" command; Sett... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #smart_BASIC | smart BASIC | x = 14
y = 0.4E3
z = 3-2i |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #ooRexx | ooRexx |
a = .vector~new(3, 4, 5);
b = .vector~new(4, 3, 5);
c = .vector~new(-5, -12, -13);
say a~dot(b)
say a~cross(b)
say a~scalarTriple(b, c)
say a~vectorTriple(b, c)
::class vector
::method init
expose x y z
use arg x, y, z
::attribute x get
::attribute y get
::attribute z get
-- dot product operation
::meth... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #PL.2FI | PL/I | declare s character (100) varying;
declare k fixed decimal (15);
put ('please type a string:');
get edit (s) (L);
put skip list (s);
put skip list ('please type the integer 75000');
get list (k);
put skip list (k);
put skip list ('Thanks'); |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Plain_English | Plain English | To run:
Start up.
Demonstrate input.
Wait for the escape key.
Shut down.
To demonstrate input:
Write "Enter a string: " to the console without advancing.
Read a string from the console.
Write "Enter a number: " to the console without advancing.
Read a number from the console.
\Now show the input values
Write "The str... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #SNOBOL4 | SNOBOL4 | define('foo(x,y)a,b,c') :(foo_end)
foo a = 1; b = 2; c = 3
foo = a * ( x * x ) + b * y + c :(return)
foo_end |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #SPL | SPL | a += 1 |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #6502_Assembly | 6502 Assembly | var foo; // untyped
var bar:*; // explicitly untyped
trace(foo + ", " + bar); // outputs "undefined, undefined"
if (foo == undefined)
trace("foo is undefined"); // outputs "foo is undefined" | |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #PARI.2FGP | PARI/GP | dot(u,v)={
sum(i=1,#u,u[i]*v[i])
};
cross(u,v)={
[u[2]*v[3] - u[3]*v[2], u[3]*v[1] - u[1]*v[3], u[1]*v[2] - u[2]*v[1]]
};
striple(a,b,c)={
dot(a,cross(b,c))
};
vtriple(a,b,c)={
cross(a,cross(b,c))
};
a = [3,4,5]; b = [4,3,5]; c = [-5,-12,-13];
dot(a,b)
cross(a,b)
striple(a,b,c)
vtriple(a,b,c) |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Pop11 | Pop11 | ;;; Setup item reader
lvars itemrep = incharitem(charin);
lvars s, c, j = 0;
;;; read chars up to a newline and put them on the stack
while (charin() ->> c) /= `\n` do j + 1 -> j ; c endwhile;
;;; build the string
consstring(j) -> s;
;;; read the integer
lvars i = itemrep(); |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #PostScript | PostScript | %open stdin for reading (and name the channel "kbd"):
/kbd (%stdin) (r) file def
%make ten-char buffer to read string into:
/buf (..........) def
%read string into buffer:
kbd buf readline |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #SSEM | SSEM |
// variable declaration
var table, chair;
// assignment
var table = 10, chair = -10;
// multiple assignment to the same value
table = chair = 0;
// multiple assignment to an array
(
var table, chair;
#table, chair = [10, -10];
#table ... chair = [10, -10, 2, 3]; // with ellipsis: now chair is [-10, 2, 3]
)
//... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #SuperCollider | SuperCollider |
// variable declaration
var table, chair;
// assignment
var table = 10, chair = -10;
// multiple assignment to the same value
table = chair = 0;
// multiple assignment to an array
(
var table, chair;
#table, chair = [10, -10];
#table ... chair = [10, -10, 2, 3]; // with ellipsis: now chair is [-10, 2, 3]
)
//... |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #ActionScript | ActionScript | var foo; // untyped
var bar:*; // explicitly untyped
trace(foo + ", " + bar); // outputs "undefined, undefined"
if (foo == undefined)
trace("foo is undefined"); // outputs "foo is undefined" | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #Ada | Ada |
pragma Initialize_Scalars;
with Ada.Text_IO; use Ada.Text_IO;
procedure Invalid_Value is
type Color is (Red, Green, Blue);
X : Float;
Y : Color;
begin
if not X'Valid then
Put_Line ("X is not valid");
end if;
X := 1.0;
if X'Valid then
Put_Line ("X is" & Float'Image (X));
end if;... | |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Pascal | Pascal | Program VectorProduct (output);
type
Tvector = record
x, y, z: double
end;
function dotProduct(a, b: Tvector): double;
begin
dotProduct := a.x*b.x + a.y*b.y + a.z*b.z;
end;
function crossProduct(a, b: Tvector): Tvector;
begin
crossProduct.x := a.y*b.z - a.z*b.y;
crossProduct.y := a.z*b.x - a.x*b.z;
... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #PowerShell | PowerShell | $string = Read-Host "Input a string"
[int]$number = Read-Host "Input a number" |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #PureBasic | PureBasic | If OpenConsole()
; Declare a string and a integer to be used
Define txt.s, num.i
Print("Enter a string: ")
txt=Input()
Repeat
Print("Enter the number 75000: ")
num=Val(Input()) ; Converts the Input to a Value with Val()
Until num=75000
; Check that the user really gives us 75000!
Print("Yo... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Swift | Swift | import Foundation
// All variables declared outside of a struct/class/etc are global
// Swift is a typed language
// Swift can infer the type of variables
var str = "Hello, playground" // String
let letStr:String = "This is a constant"
// However, all variables must be initialized
// Intialize variable of type St... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Tcl | Tcl | namespace eval foo {
# Define a procedure with two formal arguments; they are local variables
proc bar {callerVarName argumentVar} {
### Associate some non-local variables with the procedure
global globalVar; # Variable in global namespace
variable namespaceVar; # Variable in local ... |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #ALGOL_68 | ALGOL 68 | MODE R = REF BOOL;
R r := NIL;
MODE U = UNION(BOOL, VOID);
U u := EMPTY;
IF r IS R(NIL) THEN
print(("r IS NIL", new line))
ELSE
print(("r ISNT NIL", new line))
FI;
CASE u IN
(VOID):print(("u is EMPTY", new line))
OUT print(("u isnt EMPTY", new line))
ESAC | |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Perl | Perl | package Vector;
use List::Util 'sum';
use List::MoreUtils 'pairwise';
sub new { shift; bless [@_] }
use overload (
'""' => sub { "(@{+shift})" },
'&' => sub { sum pairwise { $a * $b } @{+shift}, @{+shift} },
'^' => sub {
my @a = @{+shift};
... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Python | Python | string = raw_input("Input a string: ") |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Quackery | Quackery | $ "Please enter a string: " input
say 'You entered: "' echo$ say '"' cr cr
$ "Please enter an integer: " input
trim reverse trim reverse
$->n iff
[ say "You entered: " echo cr ]
else
[ say "That was not an integer." cr
drop ] |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #TI-83_BASIC | TI-83 BASIC |
:1→A
|
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #TI-89_BASIC | TI-89 BASIC | Local mynum, myfunc |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #Arturo | Arturo | undef: null
print undef | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #BASIC | BASIC | ok% = TRUE
ON ERROR LOCAL IF ERR<>26 REPORT : END ELSE ok% = FALSE
IF ok% THEN
PRINT variable$
ELSE
PRINT "Not defined"
ENDIF
RESTORE ERROR | |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Phix | Phix | function dot_product(sequence a, b)
return sum(sq_mul(a,b))
end function
function cross_product(sequence a, b)
integer {a1,a2,a3} = a, {b1,b2,b3} = b
return {a2*b3-a3*b2, a3*b1-a1*b3, a1*b2-a2*b1}
end function
function scalar_triple_product(sequence a, b, c)
return dot_product(a,cross_product(b,c))
end fu... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #R | R | stringval <- readline("String: ")
intval <- as.integer(readline("Integer: ")) |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Racket | Racket |
#lang racket
(printf "Input a string: ")
(define s (read-line))
(printf "You entered: ~a\n" s)
(printf "Input a number: ")
(define m (or (string->number (read-line))
(error "I said a number!")))
(printf "You entered: ~a\n" m)
;; alternatively, use the generic `read'
(printf "Input a number: ")
(defi... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #TUSCRIPT | TUSCRIPT |
$$ MODE TUSCRIPT,{}
var1=1, var2="b"
PRINT "var1=",var1
PRINT "var2=",var2
basket=*
DATA apples
DATA bananas
DATA cherry
LOOP n,letter="a'b'c",fruit=basket
var=CONCAT (letter,n)
SET @var=VALUE(fruit)
PRINT var,"=",@var
ENDLOOP
|
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #TXR | TXR | @(cases)
hey @a
how are you
@(or)
hey @b
long time no see
@(end) |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #BBC_BASIC | BBC BASIC | ok% = TRUE
ON ERROR LOCAL IF ERR<>26 REPORT : END ELSE ok% = FALSE
IF ok% THEN
PRINT variable$
ELSE
PRINT "Not defined"
ENDIF
RESTORE ERROR | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #C | C | #include <stdio.h>
#include <stdlib.h>
int main()
{
int junk, *junkp;
/* Print an unitialized variable! */
printf("junk: %d\n", junk);
/* Follow a pointer to unitialized memory! */
junkp = malloc(sizeof *junkp);
if (junkp)
printf("*junkp: %d\n", *junkp);
return 0;
} | |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #11l | 11l | print(sorted(fs:list_dir(‘.’)).join("\n")) |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Phixmonti | Phixmonti | include ..\Utilitys.pmt
( 3 4 5 ) var vectorA
( 4 3 5 ) var vectorB
( -5 -12 -13 ) var vectorC
def dotProduct /# x y -- n #/
0 >ps
len for var i
i get rot i get rot * ps> + >ps
endfor
drop drop
ps>
enddef
def crossProduct /# x y -- z #/
1 get rot 2 get rot * >ps
1 get rot ... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Raku | Raku | my $str = prompt("Enter a string: ");
my $int = prompt("Enter a integer: "); |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Rascal | Rascal | import util::IDE;
public void InputConsole(){
x = "";
createConsole("Input Console",
"Welcome to the Input Console\nInput\> ",
str (str inp) {x = "<inp == "75000" ? "You entered 75000" : "You entered a stri... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #uBasic.2F4tH | uBasic/4tH | ' Initialization
A = 15 ' global variable
Proc _Initialize(24)
_Initialize Param (1)
Local (1) ' A@ now holds 24
B@ = 23 ' local variable
Return
' Assignment
A = 15 ' global variable
Proc _Assign(24)
_Assign Param (1)
Local (1) ' A@ now ... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #UNIX_Shell | UNIX Shell |
#!/bin/sh
# The unix shell uses typeless variables
apples=6
# pears=5+4 # Some shells cannot perform addition this way
pears = `expr 5+4` # We use the external expr to perform the calculation
myfavourite="raspberries"
|
http://rosettacode.org/wiki/Undefined_values | Undefined values | #C.23 | C# | string foo = null; | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #C.2B.2B | C++ | #include <iostream>
int main()
{
int undefined;
if (undefined == 42)
{
std::cout << "42";
}
if (undefined != 42)
{
std::cout << "not 42";
}
} | |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #8080_Assembly | 8080 Assembly | dma: equ 80h
puts: equ 9h ; Write string to console
sfirst: equ 11h ; Find first matching file
snext: equ 12h ; Get next matching file
org 100h
;;; First, retrieve all filenames in current directory
;;; CP/M has function 11h (sfirst) and function 13h (snext)
;;; to return the first, and then following, f... |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #8th | 8th |
"*" f:glob
' s:cmp a:sort
"\n" a:join .
|
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #PHP | PHP | <?php
class Vector
{
private $values;
public function setValues(array $values)
{
if (count($values) != 3)
throw new Exception('Values must contain exactly 3 values');
foreach ($values as $value)
if (!is_int($value) && !is_float($value))
throw new Exception('Value "' . $value . '" has an invalid typ... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Raven | Raven | 'Input a string: ' print expect as str
'Input an integer: ' print expect 0 prefer as num |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #REBOL | REBOL | rebol [
Title: "Textual User Input"
URL: http://rosettacode.org/wiki/User_Input_-_text
]
s: n: ""
; Because I have several things to check for, I've made a function to
; handle it. Note the question mark in the function name, this convention
; is often used in Forth to indicate test of some sort.
valid?: func ... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Ursa | Ursa | # variable declaration
#
# declare [type] [name]
# -or-
# decl [type] [name]
decl int test
# initialization / assignment
#
# the set statement can be used to init variables and
# assign values to them
set test 10
# datatypes
#
# ursa currently has 10 built-in types, but
# more may be added in the future.
# bo... |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #VBA | VBA | Dim variable As datatype
Dim var1,var2,... As datatype |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #Common_Lisp | Common Lisp |
;; assumption: none of these variables initially exist
(defvar *x*) ;; variable exists now, but has no value
(defvar *y* 42) ;; variable exists now, and has a value
(special-variable-p '*x*) -> T ;; Symbol *x* names a special variable
(boundp '*x*) -> NIL ;; *x* has no binding
(boundp '... | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #D | D | void main() {
// Initialized:
int a = 5;
double b = 5.0;
char c = 'f';
int[] d = [1, 2, 3];
// Default initialized:
int aa; // set to 0
double bb; // set to double.init, that is a NaN
char cc; // set to 0xFF
int[] dd; // set to null
int[3] ee; // set to [0, 0, 0]
// U... | |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #Ada | Ada | with Ada.Text_IO, Ada.Directories, Ada.Containers.Indefinite_Vectors;
procedure Directory_List is
use Ada.Directories, Ada.Text_IO;
Search: Search_Type; Found: Directory_Entry_Type;
package SV is new Ada.Containers.Indefinite_Vectors(Natural, String);
Result: SV.Vector;
package Sorting is new SV.Gen... |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #Aime | Aime | record r;
file f;
text s;
f.opendir(1.argv);
while (~f.case(s)) {
if (s != "." && s != "..") {
r[s] = 0;
}
}
r.vcall(o_, 0, "\n"); |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Picat | Picat | go =>
A = [3, 4, 5],
B = [4, 3, 5],
C = [-5, -12, -13],
println(a=A),
println(b=B),
println(c=C),
println("A . B"=dot(A,B)),
println("A x B"=cross(A,B)),
println("A . (B x C)"=scalar_triple(A,B,C)),
println("A X (B X C)"=vector_triple(A,B,C)),
nl.
dot(A,B) = sum([ AA*BB : {AA,BB} in zip(A,B... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Red | Red | n: ask "Please enter # 75000: " str: ask "Please enter any string: " |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Retro | Retro | :example ("-)
'Enter_a_string:_ s:put s:get s:keep
[ 'Enter_75000:_ s:put s:get-word s:to-number nl #75000 eq? ] until
'Your_string_was:_'%s'\n s:format s:put ; |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #VBScript | VBScript | Dim variable As datatype
Dim var1,var2,... As datatype |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Visual_Basic | Visual Basic | Dim variable As datatype
Dim var1,var2,... As datatype |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #Delphi | Delphi | var
P: PInteger;
begin
New(P); //Allocate some memory
try
If Assigned(P) Then //...
begin
P^ := 42;
end;
finally
Dispose(P); //Release memory allocated by New
end;
end; | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #D.C3.A9j.C3.A0_Vu | Déjà Vu | try:
bogus
catch name-error:
!print "There is *no* :bogus in the current context"
return
!print "You won't see this." | |
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #11l | 11l | V Δx = 1
Δx++
print(Δx) |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #Arturo | Arturo | print list "." |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #AWK | AWK |
# syntax: GAWK -f UNIX_LS.AWK * | SORT
BEGINFILE {
printf("%s\n",FILENAME)
nextfile
}
END {
exit(0)
}
|
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #PicoLisp | PicoLisp | (de dotProduct (A B)
(sum * A B) )
(de crossProduct (A B)
(list
(- (* (cadr A) (caddr B)) (* (caddr A) (cadr B)))
(- (* (caddr A) (car B)) (* (car A) (caddr B)))
(- (* (car A) (cadr B)) (* (cadr A) (car B))) ) )
(de scalarTriple (A B C)
(dotProduct A (crossProduct B C)) )
(de vectorTrip... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #REXX | REXX | do until userNumber==75000
|
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Ring | Ring |
see "Enter a string : " give s
see "Enter an integer : " give i
see "String = " + s + nl
see "Integer = " + i + nl
|
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Visual_Basic_.NET | Visual Basic .NET | Dim variable As datatype
Dim var1,var2,... As datatype |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Vlang | Vlang | name := 'Bob'
age := 20
large_number := i64(9999999999) |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #E | E | if (foo == bar || (def baz := lookup(foo)) != null) {
...
} | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #Erlang | Erlang |
-module( undefined_values ).
-export( [task/0] ).
-record( a_record, {member_1, member_2} ).
task() ->
Record = #a_record{member_1=a_value},
io:fwrite( "Record member_1 ~p, member_2 ~p~n", [Record#a_record.member_1, Record#a_record.member_2] ),
io:fwrite( "Member_2 is undefined ~p~n", [Record#a_r... | |
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #8th | 8th |
1 var, Δ
Δ @ n:1+ Δ !
Δ @ . cr
\ unicode silliness
: 念 ' G:@ w:exec ;
: 店 ' G:! w:exec ;
: ਵਾਧਾ ' n:1+ w:exec ;
: الوداع ' G:bye w:exec ;
: キャリッジリターン ' G:cr w:exec ;
: प्रिंट ' G:. w:exec ;
Δ 念 ਵਾਧਾ Δ 店
Δ 念 प्रिंट キャリッジリターン
الوداع
|
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #ACL2 | ACL2 | (let ((Δ 1))
(1+ Δ)) |
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #Ada | Ada | with Ada.Text_IO;
procedure main is
Δ : Integer;
begin
Δ := 41;
Δ := Δ + 1;
Ada.Text_IO.Put_Line (Δ'Img);
end main; |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #BaCon | BaCon | ' Emulate ls
cnt% = 0
files$ = ""
OPEN CURDIR$ FOR DIRECTORY AS mydir
GETFILE myfile$ FROM mydir
WHILE ISTRUE(LEN(myfile$))
IF LEFT$(myfile$, 1) != "." THEN
INCR cnt%
files$ = APPEND$(files$, cnt%, UNFLATTEN$(myfile$))
ENDIF
GETFILE myfile$ FROM mydir
WEND
CLOSE DIRECTORY mydir
IF cnt% > 0 T... |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #BASIC256 | BASIC256 | directory$ = dir("m:\foo\bar\") #Specified directory
#directory$ = dir(currentdir) #Current directory
while directory$ <> ""
print directory$
directory$ = dir()
end while
end |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #PL.2FI | PL/I | /* dot product, cross product, etc. 4 June 2011 */
test_products: procedure options (main);
declare a(3) fixed initial (3, 4, 5);
declare b(3) fixed initial (4, 3, 5);
declare c(3) fixed initial (-5, -12, -13);
declare e(3) fixed;
put skip list ('a . b =', dot_product(a, b));
ca... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Robotic | Robotic |
input string "Enter string:"
set "$str" to "input"
input string "Enter number:"
set "number" to "input"
[ "You entered:"
[ "&$str&"
[ "&number&"
end
|
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Ruby | Ruby | print "Enter a string: "
s = gets
printf "Enter an integer: "
i = gets.to_i # If string entered, will return zero
printf "Enter a real number: "
f = Float(gets) rescue nil # converts a floating point number or returns nil
puts "String = #{s}"
puts "Integer = #{i}"
puts "Float = #{f}" |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #WDTE | WDTE | let example t => io.writeln io.stdout t; |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #Wren | Wren | var a // declares the variable 'a' with the default value of 'null'
a = 1 // initializes 'a'
a = "a" // assigns a different value to 'a'
var b = 2 // declares and initializes 'b' at the same time
b = true // assigns a different value to 'b'
var c = [3, 4] // 'c' is assigned a L... |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #ERRE | ERRE | 42 . ! 42 | |
http://rosettacode.org/wiki/Undefined_values | Undefined values | #Factor | Factor | 42 . ! 42 | |
http://rosettacode.org/wiki/Unicode_strings | Unicode strings | As the world gets smaller each day, internationalization becomes more and more important. For handling multiple languages, Unicode is your best friend.
It is a very capable tool, but also quite complex compared to older single- and double-byte character encodings.
How well prepared is your programming language for ... | #11l | 11l | #!/usr/local/bin/a68g --script #
# -*- coding: utf-8 -*- #
# UNICHAR/UNICODE must be printed using REPR to convert to UTF8 #
MODE UNICHAR = STRUCT(BITS #31# bits); # assuming bits width >=31 #
MODE UNICODE = FLEX[0]UNICHAR;
OP INITUNICHAR = (BITS bits)UNICHAR: (UNICHAR out; bits OF out := #ABS# bits; out);
OP INI... |
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #ALGOL_68 | ALGOL 68 | set |Δ| to 1
set |Δ| to |Δ| + 1
return |Δ| |
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #AppleScript | AppleScript | set |Δ| to 1
set |Δ| to |Δ| + 1
return |Δ| |
http://rosettacode.org/wiki/Unicode_variable_names | Unicode variable names | Task
Describe, and give a pointer to documentation on your languages use of characters beyond those of the ASCII character set in the naming of variables.
Show how to:
Set a variable with a name including the 'Δ', (delta character), to 1
Increment it
Print its value.
Related task
Case-sensitivity of identif... | #Arturo | Arturo | "Δ": 1
"Δ": inc var "Δ"
print ["Delta =>" var "Δ"] |
http://rosettacode.org/wiki/Unix/ls | Unix/ls | Task
Write a program that will list everything in the current folder, similar to:
the Unix utility “ls” [1] or
the Windows terminal command “DIR”
The output must be sorted, but printing extended details and producing multi-column output is not required.
Example output
For the list of paths:... | #C | C |
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
int cmpstr(const void *a, const void *b)
{
return strcmp(*(const char**)a, *(const char**)b);
}
int main(void)
{
DIR *basedir;
char path[PATH_MAX];
struct d... |
http://rosettacode.org/wiki/Vector_products | Vector products | A vector is defined as having three dimensions as being represented by an ordered collection of three numbers: (X, Y, Z).
If you imagine a graph with the x and y axis being at right angles to each other and having a third, z axis coming out of the page, then a triplet of numbers, (X, Y, Z) would repr... | #Plain_English | Plain English | To run:
Start up.
Make a vector from 3 and 4 and 5.
Make another vector from 4 and 3 and 5.
Make a third vector from -5 and -12 and -13.
Write "A vector: " then the vector on the console.
Write "Another vector: " then the other vector on the console.
Write "A third vector: " then the third vector on the console.
Write ... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Rust | Rust | use std::io::{self, Write};
use std::fmt::Display;
use std::process;
fn main() {
let s = grab_input("Give me a string")
.unwrap_or_else(|e| exit_err(&e, e.raw_os_error().unwrap_or(-1)));
println!("You entered: {}", s.trim());
let n: i32 = grab_input("Give me an integer")
.unwrap_or_els... |
http://rosettacode.org/wiki/User_input/Text | User input/Text | User input/Text is part of Short Circuit's Console Program Basics selection.
Task
Input a string and the integer 75000 from the text console.
See also: User input/Graphical
| #Scala | Scala | print("Enter a number: ")
val i=Console.readLong // Task says to enter 75000
print("Enter a string: ")
val s=Console.readLine |
http://rosettacode.org/wiki/Variables | Variables | Task
Demonstrate a language's methods of:
variable declaration
initialization
assignment
datatypes
scope
referencing, and
other variable related facilities
| #XPL0 | XPL0 | There are only three variable types: 32-bit signed integers (in the
32-bit version), IEEE-754 64-bit reals, and characters which are actually
32-bit addresses of (or pointers to) strings. When a 'char' variable is
subscripted, it accesses a single byte. All variable names must be
declared before they are used, for exam... |
Subsets and Splits
Rosetta Code COBOL Python Hard Tasks
Identifies and retrieves challenging tasks that exist in both COBOL and Python, revealing cross-language programming patterns and difficulty levels for comparative analysis.
Rosetta Code Task Comparisons
Identifies tasks common to both COBOL and Python languages that are described as having difficulty levels, revealing cross-language task similarities and providing useful comparative programming examples.
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Retrieves specific programming language names and codes from training data, providing basic filtering but limited analytical value beyond identifying these particular languages.