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/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #Brat | Brat | zip = { keys, values |
h = [:]
keys.each_with_index { key, index |
h[key] = values[index]
}
h
}
p zip [1 2 3] [:a :b :c] #Prints [1: a, 2: b, 3: c] |
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #C | C | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define KeyType const char *
#define ValType int
#define HASH_SIZE 4096
// hash function useful when KeyType is char * (string)
unsigned strhashkey( const char * key, int max)
{
unsigned h=0;
unsigned hl, hr;
while(*key) {
h += *key;... |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #RPG | RPG |
Fqsysprt O F 80 printer
C except
C seton LR
Oqsysprt E
O ... |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Ruby | Ruby | open("| lpr", "w") { |f| f.puts "Hello World!" } |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Run_BASIC | Run BASIC | shell$("echo \"Hello World!\" | lpr") |
http://rosettacode.org/wiki/Harshad_or_Niven_series | Harshad or Niven series | The Harshad or Niven numbers are positive integers ≥ 1 that are divisible by the sum of their digits.
For example, 42 is a Harshad number as 42 is divisible by (4 + 2) without remainder.
Assume that the series is defined as the numbers in increasing order.
Task
The task is to create a function/method/... | #Batch_File | Batch File |
@echo off
setlocal enabledelayedexpansion
for /l %%i in (1,1,20) do (
call:harshad
echo Harshad number %%i - !errorlevel!
)
:loop
call:harshad
if %errorlevel% leq 1000 goto loop
echo First Harshad number greater than 1000: %errorlevel%
pause>nul
exit /b
:harshad
if "%harshadnum%"=="" set harshadnum=0
set /a... |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Elena | Elena | public program()
{
console.writeLine("Hello world")
}
|
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Erlang | Erlang | sudo apt-get install erlang
|
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #ALGOL_68 | ALGOL 68 | BEGIN # find some harmonic numbers, Hn is the sum if the reciprocals of 1..n #
# returns the first n Harmonic numbers #
OP HARMONIC = ( INT n )[]REAL:
BEGIN
[ 1 : n ]REAL h;
h[ 1 ] := 1;
FOR i FROM 2 TO n DO
h[ i ] := h[ i - 1 ] + ( 1 / i )
... |
http://rosettacode.org/wiki/Hash_join | Hash join | An inner join is an operation that combines two data tables into one table, based on matching column values. The simplest way of implementing this operation is the nested loop join algorithm, but a more scalable alternative is the hash join algorithm.
Task[edit]
Implement the "hash join" algorithm, and demonstrate tha... | #J | J | table1=: ;:;._2(0 :0)
27 Jonah
18 Alan
28 Glory
18 Popeye
28 Alan
)
table2=: ;:;._2(0 :0)
Jonah Whales
Jonah Spiders
Alan Ghosts
Alan Zombies
Glory Buffy
) |
http://rosettacode.org/wiki/Higher-order_functions | Higher-order functions | Task
Pass a function as an argument to another function.
Related task
First-class functions
| #Ursa | Ursa | def first (function f)
return (f)
end
def second ()
return "second"
end
out (first second) endl console
# "second" is output to the console |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #B | B | main()
{
putstr("Goodbye, World!");
return(0);
} |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #BASIC | BASIC | 10 REM The trailing semicolon prevents a newline
20 PRINT "Goodbye, World!"; |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #Batch_File | Batch File | <nul set/p"=Goodbye, World!"
<nul set/p=Goodbye, World! |
http://rosettacode.org/wiki/Hello_world/Text | Hello world/Text | Hello world/Text is part of Short Circuit's Console Program Basics selection.
Task
Display the string Hello world! on a text console.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Newbie
Hello world/Newline omission
Hello world/Standard error
Hello world/Web server
| #DM | DM |
/client/New()
..()
src << "Hello world!"
|
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #C.23 | C# | static class Program
{
static void Main()
{
System.Collections.Hashtable h = new System.Collections.Hashtable();
string[] keys = { "foo", "bar", "val" };
string[] values = { "little", "miss", "muffet" };
System.Diagnostics.Trace.Assert(keys.Length == values.Length, "Arrays ar... |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Rust | Rust | use std::fs::OpenOptions;
use std::io::Write;
fn main() {
let file = OpenOptions::new().write(true).open("/dev/lp0").unwrap();
file.write(b"Hello, World!").unwrap();
} |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Salmon | Salmon | open_output_text_file("/dev/lp0").print("Hello World!"); |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Scala | Scala | import java.awt.print.PrinterException
import scala.swing.TextArea
object LinePrinter extends App {
val (show, context) = (false, "Hello, World!")
try // Default Helvetica, 12p
new TextArea(context) {
append(" in printing.")
peer.print(null, null, show, null, null, show)
}
catch {
case e... |
http://rosettacode.org/wiki/Harshad_or_Niven_series | Harshad or Niven series | The Harshad or Niven numbers are positive integers ≥ 1 that are divisible by the sum of their digits.
For example, 42 is a Harshad number as 42 is divisible by (4 + 2) without remainder.
Assume that the series is defined as the numbers in increasing order.
Task
The task is to create a function/method/... | #BASIC | BASIC | 10 DEFINT P,N,I,S
20 PRINT "First 20 Harshad numbers:"
30 P=0
40 N=0
50 N=N+1
60 S=0
70 I=N
80 S=S+I MOD 10
90 I=I\10
100 IF I THEN 80
110 IF N MOD S THEN 50
120 IF P<20 THEN P=P+1: PRINT N,
130 IF N<=1000 THEN 50
140 PRINT
150 PRINT "First Harshad number > 1000:";N |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Factor | Factor | sudo apt-get install gfortran
|
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Fortran | Fortran | sudo apt-get install gfortran
|
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #FutureBasic | FutureBasic | === Your First Program ===
|
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #Arturo | Arturo | H: function [n][
sum map 1..n => reciprocal
]
firstAbove: function [lim][
i: 1
while ø [
if lim < to :floating H i ->
return i
i: i + 1
]
]
print "The first 20 harmonic numbers:"
print map 1..20 => H
print ""
loop 1..4 'l [
print ["Position of first term >" l ":" f... |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #AWK | AWK |
# syntax: GAWK -f HARMONIC_SERIES.AWK
# converted from FreeBASIC
BEGIN {
limit = 20
printf("The first %d harmonic numbers:\n",limit)
for (n=1; n<=limit; n++) {
h += 1/n
printf("%2d %11.8f\n",n,h)
}
print("")
h = 1
n = 2
for (i=2; i<=10; i++) {
while (h < i) {
... |
http://rosettacode.org/wiki/Hash_join | Hash join | An inner join is an operation that combines two data tables into one table, based on matching column values. The simplest way of implementing this operation is the nested loop join algorithm, but a more scalable alternative is the hash join algorithm.
Task[edit]
Implement the "hash join" algorithm, and demonstrate tha... | #Java | Java | import java.util.*;
public class HashJoin {
public static void main(String[] args) {
String[][] table1 = {{"27", "Jonah"}, {"18", "Alan"}, {"28", "Glory"},
{"18", "Popeye"}, {"28", "Alan"}};
String[][] table2 = {{"Jonah", "Whales"}, {"Jonah", "Spiders"},
{"Alan", "Ghosts"}, {"A... |
http://rosettacode.org/wiki/Haversine_formula | Haversine formula |
This page uses content from Wikipedia. The original article was at Haversine formula. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
The haversine formula is an equation important in navigation, g... | #11l | 11l | F haversine(=lat1, lon1, =lat2, lon2)
V r = 6372.8
V dLat = radians(lat2 - lat1)
V dLon = radians(lon2 - lon1)
lat1 = radians(lat1)
lat2 = radians(lat2)
V a = sin(dLat / 2) ^ 2 + cos(lat1) * cos(lat2) * sin(dLon / 2) ^ 2
V c = 2 * asin(sqrt(a))
R r * c
print(haversine(36.12, -86.67, 33.94, -11... |
http://rosettacode.org/wiki/Higher-order_functions | Higher-order functions | Task
Pass a function as an argument to another function.
Related task
First-class functions
| #Ursala | Ursala | (autocomposition "f") "x" = "f" "f" "x" |
http://rosettacode.org/wiki/Higher-order_functions | Higher-order functions | Task
Pass a function as an argument to another function.
Related task
First-class functions
| #V | V | [first *]. |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #BBC_BASIC | BBC BASIC | REM BBC BASIC accepts the standard trailing semicolon:
PRINT "Goodbye World!";
REM One could also output the characters individually:
GW$ = "Goodbye World!"
FOR i% = 1 TO LEN(GW$)
VDU ASCMID$(GW$, i%)
NEXT |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #Bc | Bc | print "Goodbye, World!" |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #beeswax | beeswax | _`Goodbye, World! |
http://rosettacode.org/wiki/Hello_world/Text | Hello world/Text | Hello world/Text is part of Short Circuit's Console Program Basics selection.
Task
Display the string Hello world! on a text console.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Newbie
Hello world/Newline omission
Hello world/Standard error
Hello world/Web server
| #Draco | Draco | proc nonrec main() void:
writeln("Hello world!")
corp |
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #C.2B.2B | C++ | #include <unordered_map>
#include <string>
int main()
{
std::string keys[] = { "1", "2", "3" };
std::string vals[] = { "a", "b", "c" };
std::unordered_map<std::string, std::string> hash;
for( int i = 0 ; i < 3 ; i++ )
hash[ keys[i] ] = vals[i] ;
} |
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #Ceylon | Ceylon | shared void run() {
value keys = [1, 2, 3];
value items = ['a', 'b', 'c'];
value hash = map(zipEntries(keys, items));
} |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Scheme | Scheme | (call-with-output-file "/dev/lp0"
(lambda (printer)
(write "Hello World!" printer))) |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Seed7 | Seed7 | $ include "seed7_05.s7i";
const proc: main is func
local
var file: lp is STD_NULL;
begin
lp := open("/dev/lp0", "w");
writeln(lp, "Hello world!");
close(lp);
end func; |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Sidef | Sidef | Sys.open(\var fh, '>', '/dev/lp0') \
&& fh.say("Hello World!") \
&& fh.close |
http://rosettacode.org/wiki/Harshad_or_Niven_series | Harshad or Niven series | The Harshad or Niven numbers are positive integers ≥ 1 that are divisible by the sum of their digits.
For example, 42 is a Harshad number as 42 is divisible by (4 + 2) without remainder.
Assume that the series is defined as the numbers in increasing order.
Task
The task is to create a function/method/... | #BASIC256 | BASIC256 |
function sumDigitos(n)
if n < 0 then return 0
suma = 0
while n > 0
suma = suma + (n mod 10)
n = n \ 10
end while
return suma
end function
function isHarshad(n)
return n mod sumDigitos(n) = 0
end function
print "Los primeros 20 números de Harshad o Niven son:"
cuenta = 0
i = 1
do
if isHarshad(i) then
... |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Go | Go | $ cat >hello.go
|
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Groovy | Groovy | println 'Hello to the Groovy world' |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Haskell | Haskell | $ sudo apt-get install ghc |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #BASIC | BASIC | h = 0.0
print "The first twenty harmonic numbers are:"
for n = 1 to 20
h += 1.0 / n
print n, h
next n
print
h = 1 : n = 2
for i = 2 to 10
while h < i
h += 1.0 / n
n += 1
end while
print "The first harmonic number greater than "; i; " is "; h; ", at position "; n-1
next i
end |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #C.2B.2B | C++ | #include <iomanip>
#include <iostream>
#include <boost/rational.hpp>
#include <boost/multiprecision/gmp.hpp>
using integer = boost::multiprecision::mpz_int;
using rational = boost::rational<integer>;
class harmonic_generator {
public:
rational next() {
rational result = term_;
term_ += rational(... |
http://rosettacode.org/wiki/Hash_join | Hash join | An inner join is an operation that combines two data tables into one table, based on matching column values. The simplest way of implementing this operation is the nested loop join algorithm, but a more scalable alternative is the hash join algorithm.
Task[edit]
Implement the "hash join" algorithm, and demonstrate tha... | #JavaScript | JavaScript | (() => {
'use strict';
// hashJoin :: [Dict] -> [Dict] -> String -> [Dict]
let hashJoin = (tblA, tblB, strJoin) => {
let [jA, jB] = strJoin.split('='),
M = tblB.reduce((a, x) => {
let id = x[jB];
return (
a[id] ? a[id].push(x) : a[i... |
http://rosettacode.org/wiki/Haversine_formula | Haversine formula |
This page uses content from Wikipedia. The original article was at Haversine formula. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
The haversine formula is an equation important in navigation, g... | #ABAP | ABAP |
DATA: X1 TYPE F, Y1 TYPE F,
X2 TYPE F, Y2 TYPE F, YD TYPE F,
PI TYPE F,
PI_180 TYPE F,
MINUS_1 TYPE F VALUE '-1'.
PI = ACOS( MINUS_1 ).
PI_180 = PI / 180.
LATITUDE1 = 36,12 . LONGITUDE1 = -86,67 .
LATITUDE2 = 33,94 . LONGITUDE2 = -118,4 .
X1 = LATITUDE1 * PI_180.
Y1 = ... |
http://rosettacode.org/wiki/Higher-order_functions | Higher-order functions | Task
Pass a function as an argument to another function.
Related task
First-class functions
| #VBA | VBA | Sub HigherOrder()
Dim result As Single
result = first("second")
MsgBox result
End Sub
Function first(f As String) As Single
first = Application.Run(f, 1) + 2
End Function
Function second(x As Single) As Single
second = x / 2
End Function |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #Befunge | Befunge | "!dlroW ,eybdooG">:#,_@ |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #Blade | Blade | print('Goodbye, World!') |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #bootBASIC | bootBASIC | 10 print "Goodbye, w";
20 print "orld!"; |
http://rosettacode.org/wiki/Hello_world/Text | Hello world/Text | Hello world/Text is part of Short Circuit's Console Program Basics selection.
Task
Display the string Hello world! on a text console.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Newbie
Hello world/Newline omission
Hello world/Standard error
Hello world/Web server
| #Dragon | Dragon |
showln "Hello world!"
|
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #Clojure | Clojure | (zipmap [\a \b \c] [1 2 3]) |
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #Coco | Coco | keys = <[apple banana orange grape]>
values = <[red yellow orange purple]>
object = new
@[keys[i]] = values[i] for i til keys.length |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Simula | Simula | BEGIN
OUTTEXT("Hello World!");
OUTIMAGE
END |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Smalltalk | Smalltalk | s := PrinterStream defaultPrinter new.
s nextPutLine:'Hello, world'.
s close |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #SNOBOL4 | SNOBOL4 | output = "Hello, world." |
http://rosettacode.org/wiki/Harshad_or_Niven_series | Harshad or Niven series | The Harshad or Niven numbers are positive integers ≥ 1 that are divisible by the sum of their digits.
For example, 42 is a Harshad number as 42 is divisible by (4 + 2) without remainder.
Assume that the series is defined as the numbers in increasing order.
Task
The task is to create a function/method/... | #BBC_BASIC | BBC BASIC | I%=1:CNT%=0
WHILE TRUE
IF FNHarshad(I%) THEN
IF CNT%<20 PRINT ;I%;" ";:CNT%+=1
IF I%>1000 PRINT ;I%:EXIT WHILE
ENDIF
I%+=1
ENDWHILE
END
DEF FNHarshad(num%)
LOCAL sum%,tmp%
tmp%=num%
sum%=0
WHILE (tmp%>0)
sum%+=tm... |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #J | J | 'Goodbye, World!' |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Java | Java | javac -version |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #JavaScript | JavaScript | console.log("Hello, World!"); |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #COBOL | COBOL | IDENTIFICATION DIVISION.
PROGRAM-ID. HARMONIC.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 VARS.
03 N PIC 9(5) VALUE ZERO.
03 HN PIC 9(2)V9(12) VALUE ZERO.
03 INT PIC 99 VALUE ZERO.
01 OUT-VARS.
03 POS ... |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #Factor | Factor | USING: formatting grouping io kernel lists lists.lazy math
math.functions math.ranges math.statistics math.text.english
prettyprint sequences tools.memory.private ;
! Euler-Mascheroni constant
CONSTANT: γ 0.5772156649
: Hn-approx ( n -- ~Hn )
[ log γ + 1 2 ] [ * /f + 1 ] [ sq 12 * /f - ] tri ;
: lharmonics ( ... |
http://rosettacode.org/wiki/Hash_join | Hash join | An inner join is an operation that combines two data tables into one table, based on matching column values. The simplest way of implementing this operation is the nested loop join algorithm, but a more scalable alternative is the hash join algorithm.
Task[edit]
Implement the "hash join" algorithm, and demonstrate tha... | #jq | jq | # hashJoin(table1; key1; table2; key2) expects the two tables to be
# arrays, either of JSON objects, or of arrays.
# In the first case, that is, if the table's rows are represented as
# objects, then key1 should be the key of the join column of table1,
# and similarly for key2; if the join columns have different nam... |
http://rosettacode.org/wiki/Hash_join | Hash join | An inner join is an operation that combines two data tables into one table, based on matching column values. The simplest way of implementing this operation is the nested loop join algorithm, but a more scalable alternative is the hash join algorithm.
Task[edit]
Implement the "hash join" algorithm, and demonstrate tha... | #Julia | Julia | using DataFrames
A = DataFrame(Age = [27, 18, 28, 18, 28], Name = ["Jonah", "Alan", "Glory", "Popeye", "Alan"])
B = DataFrame(Name = ["Jonah", "Jonah", "Alan", "Alan", "Glory"],
Nemesis = ["Whales", "Spiders", "Ghosts", "Zombies", "Buffy"])
AB = join(A, B, on = :Name)
@show A B AB |
http://rosettacode.org/wiki/Haversine_formula | Haversine formula |
This page uses content from Wikipedia. The original article was at Haversine formula. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
The haversine formula is an equation important in navigation, g... | #Ada | Ada | with Ada.Text_IO; use Ada.Text_IO;
with Ada.Long_Float_Text_IO; use Ada.Long_Float_Text_IO;
with Ada.Numerics.Generic_Elementary_Functions;
procedure Haversine_Formula is
package Math is new Ada.Numerics.Generic_Elementary_Functions (Long_Float); use Math;
-- Compute great circle distance, given latitude an... |
http://rosettacode.org/wiki/Higher-order_functions | Higher-order functions | Task
Pass a function as an argument to another function.
Related task
First-class functions
| #Visual_Basic_.NET | Visual Basic .NET | f=Add, f(6, 2) = 8
f=Mul, f(6, 2) = 12
f=Div, f(6, 2) = 3 |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #Bracmat | Bracmat | put$"Goodbye, World!" |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #Brainf.2A.2A.2A | Brainf*** | >+++++[>++++>+>+>++++>>+++<<<+<+<++[>++>+++>+++>++++>+>+[<]>>-]<-]>>
+.>>+..<.--.++>>+.<<+.>>>-.>++.[<]++++[>++++<-]>.>>.+++.------.<-.[>]<+.[-]
[G oo d b y e , W o r l d !] |
http://rosettacode.org/wiki/Hello_world/Text | Hello world/Text | Hello world/Text is part of Short Circuit's Console Program Basics selection.
Task
Display the string Hello world! on a text console.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Newbie
Hello world/Newline omission
Hello world/Standard error
Hello world/Web server
| #DWScript | DWScript |
PrintLn('Hello world!');
|
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #CoffeeScript | CoffeeScript |
keys = ['a','b','c']
values = [1,2,3]
map = {}
map[key] = values[i] for key, i in keys
|
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #ColdFusion | ColdFusion | <cfscript>
function makeHash(keyArray, valueArray) {
var x = 1;
var result = {};
for( ; x <= ArrayLen(keyArray); x ++ ) {
result[keyArray[x]] = valueArray[x];
}
return result;
}
keyArray = ['a', 'b', 'c'];
valueArray = [1, 2, 3];
map = makeHash(keyArray, valueArray);
</cfscript> |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Swift | Swift | import Foundation
let out = NSOutputStream(toFileAtPath: "/dev/lp0", append: true)
let data = "Hello, World!".dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
out?.open()
out?.write(UnsafePointer<UInt8>(data!.bytes), maxLength: data!.length)
out?.close() |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Tcl | Tcl | exec lp << "Hello World!" |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #UNIX_Shell | UNIX Shell | # Use the default printer queue, with lp(1) or lpr(1).
# 1. The system must have a printer queue.
# 2. The printer queue must understand plain text.
# 3. System V has lp(1). BSD has lpr(1).
# CUPS has both lp(1) and lpr(1).
#
echo 'Hello World!' | lp
echo 'Hello World!' | lpr
# Use a character device.
# 1. Th... |
http://rosettacode.org/wiki/Harshad_or_Niven_series | Harshad or Niven series | The Harshad or Niven numbers are positive integers ≥ 1 that are divisible by the sum of their digits.
For example, 42 is a Harshad number as 42 is divisible by (4 + 2) without remainder.
Assume that the series is defined as the numbers in increasing order.
Task
The task is to create a function/method/... | #BCPL | BCPL | get "libhdr"
let dsum(n) = n=0 -> 0, n rem 10 + dsum(n/10)
let next(n) = harshad(n+1) and harshad(n) = n rem dsum(n)=0 -> n, next(n)
let start() be
$( let n = 0
writes("First 20:")
for i = 1 to 20 do
$( n := next(n)
writef(" %N", n)
$)
writef("*NFirst above 1000: %N*N", next(1000))
$) |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #jq | jq | $ echo '"Hello world!"' | jq .
C:\ echo "Hello world!" | jq . |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Julia | Julia | 1. Use a web browser to go to http://juliabox.com. With email or Google signin, sign up for a free account.
1a.(optional) JuliaBox has Julia tutorials. You will find them in the default file directories when JuliaBox first loads.
1b. (optional) download and install Julia from https://julialang.org/
2. Start a ... |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Kotlin | Kotlin | notepad hello.kt
|
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #Forth | Forth |
warnings off
1.000.000.000.000.000 drop constant 1.0fx \ fractional part is 15 decimal digits.
: .h ( n -- )
s>d <# 14 for # next [char] . hold #s #> type space ;
1.0fx 1 2constant first-harmonic
: round 5 + 10 / ;
: next-harmonic ( h n -- h' n' )
1+ tuck [ 1.0fx 10 * ] literal swap / round + s... |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #FreeBASIC | FreeBASIC | dim as double h = 0.0
dim as uinteger n, i
print "The first twenty harmonic numbers are:"
for n = 1 to 20
h += 1.0/n
print n, h
next n
h = 1 : n = 2
for i=2 to 10
while h<i
h+=1.0/n
n+=1
wend
print "The first harmonic number greater than ";i;" is ";h;", at position ";n-1
next i |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #Go | Go | package main
import (
"fmt"
"math/big"
)
func harmonic(n int) *big.Rat {
sum := new(big.Rat)
for i := int64(1); i <= int64(n); i++ {
r := big.NewRat(1, i)
sum.Add(sum, r)
}
return sum
}
func main() {
fmt.Println("The first 20 harmonic numbers and the 100th, expressed in... |
http://rosettacode.org/wiki/Hello_world/Graphical | Hello world/Graphical |
Task
Display the string Goodbye, World! on a GUI object (alert box, plain window, text area, etc.).
Related task
Hello world/Text
| #AArch64_Assembly | AArch64 Assembly |
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program disMessGraph64.s */
/* link with gcc options -lX11 -L/usr/lpp/X11/lib */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in lan... |
http://rosettacode.org/wiki/Hash_join | Hash join | An inner join is an operation that combines two data tables into one table, based on matching column values. The simplest way of implementing this operation is the nested loop join algorithm, but a more scalable alternative is the hash join algorithm.
Task[edit]
Implement the "hash join" algorithm, and demonstrate tha... | #Kotlin | Kotlin | data class A(val age: Int, val name: String)
data class B(val character: String, val nemesis: String)
data class C(val rowA: A, val rowB: B)
fun hashJoin(tableA: List<A>, tableB: List<B>): List<C> {
val mm = tableB.groupBy { it.character }
val tableC = mutableListOf<C>()
for (a in tableA) {
va... |
http://rosettacode.org/wiki/Haversine_formula | Haversine formula |
This page uses content from Wikipedia. The original article was at Haversine formula. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
The haversine formula is an equation important in navigation, g... | #ALGOL_68 | ALGOL 68 | #!/usr/local/bin/a68g --script #
REAL r = 20 000/pi + 6.6 # km #,
to rad = pi/180;
PROC dist = (REAL th1 deg, ph1 deg, th2 deg, ph2 deg)REAL:
(
REAL ph1 = (ph1 deg - ph2 deg) * to rad,
th1 = th1 deg * to rad, th2 = th2 deg * to rad,
dz = sin(th1) - sin(th2),
dx ... |
http://rosettacode.org/wiki/Higher-order_functions | Higher-order functions | Task
Pass a function as an argument to another function.
Related task
First-class functions
| #Visual_Prolog | Visual Prolog |
domains
intFunction = (integer In) -> integer Out procedure (i).
class predicates
addone : intFunction.
doTwice : (intFunction, integer) -> integer procedure (i, i).
clauses
doTwice(Pred,X) = Y :- Y = Pred(Pred(X)).
addone(X) = Y := Y = X + 1.
run():-
init(),
write(dotwice(addone,2)),
... |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #C | C | #include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
(void) printf("Goodbye, World!"); /* No automatic newline */
return EXIT_SUCCESS;
} |
http://rosettacode.org/wiki/Hello_world/Newline_omission | Hello world/Newline omission | Some languages automatically insert a newline after outputting a string, unless measures are taken to prevent its output.
Task
Display the string Goodbye, World! without a trailing newline.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Standard error
Hello world/Text
| #C.23 | C# | using System;
class Program
{
static void Main(string[] args)
{
//Using Console.WriteLine() will append a newline
Console.WriteLine("Goodbye, World!");
//Using Console.Write() will not append a newline
Console.Write("Goodbye, World!");
}
} |
http://rosettacode.org/wiki/Hello_world/Text | Hello world/Text | Hello world/Text is part of Short Circuit's Console Program Basics selection.
Task
Display the string Hello world! on a text console.
Related tasks
Hello world/Graphical
Hello world/Line Printer
Hello world/Newbie
Hello world/Newline omission
Hello world/Standard error
Hello world/Web server
| #Dyalect | Dyalect | print("Hello world!") |
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #Common_Lisp | Common Lisp | (defun rosetta-code-hash-from-two-arrays (vector-1 vector-2 &key (test 'eql))
(assert (= (length vector-1) (length vector-2)))
(let ((table (make-hash-table :test test :size (length vector-1))))
(map nil (lambda (k v) (setf (gethash k table) v))
vector-1 vector-2)
table)) |
http://rosettacode.org/wiki/Hash_from_two_arrays | Hash from two arrays | Task
Using two Arrays of equal length, create a Hash object
where the elements from one array (the keys) are linked
to the elements of the other (the values)
Related task
Associative arrays/Creation
| #Crystal | Crystal | keys = ('a'..'z').to_a # => a, b, c ... z
vals = (1..26).to_a # => 1, 2, 3 ... 26
hash = Hash.zip(keys, vals)
p hash |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Wisp | Wisp | call-with-output-file "/dev/lp0"
λ : printer
write "Hello World!" printer |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #Wren | Wren | /* hello_world_line_printer.wren */
class C {
foreign static lprint(s)
}
C.lprint("Hello World!") |
http://rosettacode.org/wiki/Hello_world/Line_printer | Hello world/Line printer | Task
Cause a line printer attached to the computer to print a line containing the message: Hello World!
Note
A line printer is not the same as standard output.
A line printer was an older-style printer which prints one line at a time to a continuous ream of paper.
With some systems, a line printer can be... | #X86_Assembly | X86 Assembly | ;Assemble with: tasm, tlink /t
;assume direction bit is clear (so si increments)
.model tiny
.code
org 100h
start: mov si, offset msg ;point to message
jmp pr20
pr10: mov ah, 0 ;write character to printer
mov dx, 0 ;LPT1
int ... |
http://rosettacode.org/wiki/Harshad_or_Niven_series | Harshad or Niven series | The Harshad or Niven numbers are positive integers ≥ 1 that are divisible by the sum of their digits.
For example, 42 is a Harshad number as 42 is divisible by (4 + 2) without remainder.
Assume that the series is defined as the numbers in increasing order.
Task
The task is to create a function/method/... | #Befunge | Befunge | 45*1>::01-\>:55+%\vv\0<
>\1+^ + <|:/<+55<` :
^_>1-\:.v@1>\:0\`#v_+\^
>^1\,+55<.^_:#%$:#<"}"v
^!:\_ ^###< !`*8< |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Lambdatalk | Lambdatalk |
The minimal installation is straightforward. Go to this URL:
- http://lambdaway.free.fr/lambdaspeech/?view=download
• 1) download the ~25kb archive,
• 2) unzip the archive, you get a ~100kb folder named "archive",
• 3) rename it for instance "my_wiki", avoiding spaces and esoteric characters,
• 4) open your FT... |
http://rosettacode.org/wiki/Hello_world/Newbie | Hello world/Newbie | Task
Guide a new user of a language through the steps necessary
to install the programming language and selection of a text editor if needed,
to run the languages' example in the Hello world/Text task.
Assume the language-newbie is a programmer in another language.
Assume the language-newbie is competent in install... | #Locomotive_Basic | Locomotive Basic | 10 print "Hello World!" |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #Haskell | Haskell | import Data.List (find)
import Data.Ratio
--------------------- HARMONIC SERIES --------------------
harmonic :: [Rational]
harmonic =
scanl1
(\a x -> a + 1 / x)
[1 ..]
-------------------------- TESTS -------------------------
main :: IO ()
main = do
putStrLn "First 20 terms:"
mapM_ putStrLn $
... |
http://rosettacode.org/wiki/Harmonic_series | Harmonic series |
This page uses content from Wikipedia. The original article was at Harmonic number. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In mathematics, the n-th harmonic number is the sum of the recipr... | #jq | jq | # include "rational"; # a reminder
def harmonic:
reduce range(1; 1+.) as $i ( r(0;1);
radd(.; r(1; $i) ));
def lpad($len): tostring | ($len - length) as $l | (" " * $l)[:$l] + .;
def task1:
"The first 20 harmonic numbers and the 100th, expressed in rational form, are:",
(range(1;21), 100
| "\(.) : \(... |
http://rosettacode.org/wiki/Hello_world/Graphical | Hello world/Graphical |
Task
Display the string Goodbye, World! on a GUI object (alert box, plain window, text area, etc.).
Related task
Hello world/Text
| #Action.21 | Action! | DEFINE PTR="CARD"
BYTE FUNC AtasciiToInternal(CHAR c)
BYTE c2
c2=c&$7F
IF c2<32 THEN
RETURN (c+64)
ELSEIF c2<96 THEN
RETURN (c-32)
FI
RETURN (c)
PROC CharOut(CARD x BYTE y CHAR c)
BYTE i,j,v
PTR addr
addr=$E000+AtasciiToInternal(c)*8;
FOR j=0 TO 7
DO
v=Peek(addr)
i=8
WHIL... |
http://rosettacode.org/wiki/Handle_a_signal | Handle a signal | Most operating systems provide interrupt facilities, sometimes called signals either generated by the user or as a result of program failure or reaching a limit like file space.
Unhandled signals generally terminate a program in a disorderly manner.
Signal handlers are created so that the program behaves in a well-defi... | #Ada | Ada | with Ada.Interrupts; use Ada.Interrupts;
with Ada.Interrupts.Names; use Ada.Interrupts.Names;
package Sigint_Handler is
protected Handler is
entry Wait;
procedure Handle;
pragma Interrupt_Handler(Handle);
pragma Attach_Handler(Handle, Sigint);
private
Call_Count : Natural := ... |
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