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/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... | #AutoHotkey | AutoHotkey |
Fileappend, Hello World!, print.txt
Run, print "print.txt"
|
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
| #Q | Q |
q)sayHi:{-1"Hello ",x;}
q)callFuncWithParam:{x["Peter"]}
q)callFuncWithParam sayHi
Hello Peter
q)callFuncWithParam[sayHi]
Hello Peter |
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
| #CoffeeScript | CoffeeScript | console.log "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... | #AWK | AWK |
BEGIN { print("Hello World!") >"/dev/lp0" }
|
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... | #BASIC | BASIC | LPRINT "Hello World!" |
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
| #Quackery | Quackery | [ over [] = iff drop done
dip
[ behead swap
' [ witheach ] ]
nested join do ] is fold ( [ x --> x )
[ ' [ [ ] ] rot join swap
nested
' [ nested join ] join
fold ] is map ( [ x --> [ )
[ ' [ [ ] ] rot join swap
nested ' dup swap join
' [ i... |
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
| #ColdFusion | ColdFusion | <cfoutput>Hello world!</cfoutput> |
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... | #Batch_File | Batch File | ECHO Hello world!>PRN |
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... | #C | C | #include <stdio.h>
int main()
{
FILE *lp;
lp = fopen("/dev/lp0","w");
fprintf(lp,"Hello world!\n");
fclose(lp);
return 0;
} |
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
| #R | R | f <- function(f0) f0(pi) # calc. the function in pi
tf <- function(x) x^pi # a func. just to test
print(f(sin))
print(f(cos))
print(f(tf)) |
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
| #Comal | Comal | 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... | #C.23 | C# |
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
public class DOCINFOA
{
[MarshalAs(UnmanagedType.LPStr)]
public string pDocName;
[MarshalAs(UnmanagedType.LPStr)]
public string pOutputFile;
[MarshalAs(UnmanagedType.LPStr)]
public string pDataType;
}
[DllImport("winspool.Drv", En... |
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
| #Racket | Racket |
#lang racket/base
(define (add f g x)
(+ (f x) (g x)))
(add sin cos 10)
|
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
| #Comefrom0x10 | Comefrom0x10 | '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... | #C.2B.2B | C++ | #include <iostream>
#include <fstream>
int main(){
std::ofstream lprFile;
lprFile.open( "/dev/lp0" );
lprFile << "Hello World!\n";
lprFile.close();
return 0;
} |
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... | #Clipper | Clipper | SET PRINT ON
SET CONSOLE OFF
? "Hello World!"
SET PRINT OFF
SET CONSOLE ON
|
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
| #Raku | Raku | sub twice(&todo) {
todo(); todo(); # declaring &todo also defines bare function
}
twice { say "Boing!" }
# output:
# Boing!
# Boing!
sub twice-with-param(&todo) {
todo(0); todo(1);
}
twice-with-param -> $time {
say "{$time+1}: Hello!"
}
# output:
# 1: Hello!
# 2: Hello! |
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
| #Commodore_BASIC | Commodore BASIC | 10 print chr$(147);chr$(14);:REM 147=clear screen, 14=switch to lowercase mode
20 print "Hello world!"
30 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... | #Clojure | Clojure | (ns rosetta-code.line-printer
(:import java.io.FileWriter))
(defn -main [& args]
(with-open [wr (new FileWriter "/dev/lp0")]
(.write wr "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... | #COBOL | COBOL | IDENTIFICATION DIVISION.
PROGRAM-ID. GOODBYE-WORLD-PRINTER.
PROCEDURE DIVISION.
DISPLAY 'Hello World!'
UPON PRINTER
END-DISPLAY.
STOP RUN. |
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
| #Raven | Raven | define doit use $v1
"doit called with " print $v1 print "\n" print
define callit use $v2
"callit called with " print $v2 print "\n" print
$v2 call
23.54 "doit" callit |
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
| #Common_Lisp | Common Lisp | (format t "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... | #Commodore_BASIC | Commodore BASIC |
10 rem rosetta code - "Hello World" on line printer
20 open 7,4 : rem open <logical file number>, <device number>
30 print#7,"hello world!" : rem print line as shown to logical file number
40 close 7 : rem close the file number
|
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... | #Common_Lisp | Common Lisp | (defun main ()
(with-open-file (stream "/dev/lp0"
:direction :output
:if-exists :append)
(format stream "Hello World~%")))
(main)
|
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
| #REBOL | REBOL | rebol [
Title: "Function Argument"
URL: http://rosettacode.org/wiki/Function_as_an_Argument
]
map: func [
"Apply function to contents of list, return new list."
f [function!] "Function to apply to list."
data [block! list!] "List to transform."
/local result i
][
result: copy [] repeat i data [append result f... |
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
| #Component_Pascal | Component Pascal |
MODULE Hello;
IMPORT Out;
PROCEDURE Do*;
BEGIN
Out.String("Hello world!"); Out.Ln
END Do;
END Hello. |
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... | #D | D | import std.stdio;
void main()
{
auto lp = File("/dev/lp0", "w");
lp.writeln("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... | #Delphi | Delphi | program Project1;
{$APPTYPE CONSOLE}
uses Printers;
var
lPrinterAsTextFile: TextFile;
begin
AssignPrn(lPrinterAsTextFile);
Rewrite(lPrinterAsTextFile);
Writeln(lPrinterAsTextFile, 'Hello World!');
CloseFile(lPrinterAsTextFile);
end. |
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
| #Retro | Retro | :disp (nq-) call n:put ;
#31 [ (n-n) #100 * ] disp
|
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
| #Coq | Coq |
Require Import Coq.Strings.String.
Eval compute in ("Hello world!"%string).
|
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... | #Diego | Diego | with_computer(comp1)_printer(lp1)_text(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... | #Dragon | Dragon |
select "files"
f2 = fopen("E:\my.txt", "w")
f = "my data"
writeText(f2,f)
flush(f2)
fclose(f2)
|
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... | #EchoLisp | EchoLisp |
(printer-font "Courier") ;; change printer font
(printer-page "ROSETTA CODE") ;; starts a new page with nice header
(printer-writeln "Hello World!") ;; prints new line (not seen on stdout)
|
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
| #REXX | REXX | /*REXX program demonstrates the passing of a name of a function to another function. */
call function 'fact' , 6; say right( 'fact{'$"} = ", 30) result
call function 'square' , 13; say right( 'square{'$"} = ", 30) result
call function 'cube' , 3; say right( 'cub... |
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
| #Corescript | Corescript | 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... | #EDSAC_order_code | EDSAC order code | [ Hello world
===========
A program for the EDSAC
Can be used to print any character string:
the string (including necessary *F and #F
characters) should be stored in sequential
memory addresses beginning at @+17.
The last character of the string should be
marked with a 1 in the least significant
... |
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... | #ERRE | ERRE |
! Hello World in ERRE language
PROGRAM HELLO
BEGIN
!$REDIR
PRINT("Hello World !")
!$NOREDIR
END PROGRAM
|
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... | #Factor | Factor | ( scratchpad ) USE: io.encodings.utf8
( scratchpad ) USE: io.launcher
( scratchpad ) "lpr" utf8 [ "Hello World!" print ] with-process-writer |
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
| #Ring | Ring |
# Project : Higher-order functions
docalcs(1,10,"squares",:square)
docalcs(1,10,"cubes",:cube)
func square(n)
return n * n
func cube(n)
return n * n * n
func docalcs(from2,upto,title,func2)
see title + " -> " + nl
for i = from2 to upto
x = call func2(i)
... |
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
| #Cowgol | Cowgol | include "cowgol.coh";
print("Hello world!");
print_nl(); |
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... | #Forth | Forth | \ No operating system, embedded device, printer output example
defer emit \ deferred words in Forth are a place holder for an
\ execution token (XT) that is assigned later.
\ When executed the ... |
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... | #Fortran | Fortran | + No movement - thus overprint.
(a blank) Advance one line.
0 Advance two lines - thus leave a blank line.
1 Page throw.
|
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... | #FreeBASIC | FreeBASIC | ' FB 1.05.0 Win64
Open Lpt "Lpt:" As #1 '' prints to default printer
Print #1, "Hello World!"
Close #1 |
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
| #Ruby | Ruby | succ = proc{|x| x+1}
def to2(&f)
f[2]
end
to2(&succ) #=> 3
to2{|x| x+1} #=> 3 |
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
| #Crack | Crack |
import crack.io cout;
cout `Hello world!\n`;
|
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... | #Go | Go | package main
import (
"fmt"
"os"
)
func main() {
lp0, err := os.Create("/dev/lp0")
if err != nil {
panic(err)
}
defer lp0.Close()
fmt.Fprintln(lp0, "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... | #Groovy | Groovy | new File('/dev/lp0').write('Hello World!\n')
|
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
| #Rust | Rust | fn execute_with_10<F: Fn(u64) -> u64> (f: F) -> u64 {
f(10)
}
fn square(n: u64) -> u64 {
n*n
}
fn main() {
println!("{}", execute_with_10(|n| n*n )); // closure
println!("{}", execute_with_10(square)); // function
} |
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
| #Creative_Basic | Creative Basic |
OPENCONSOLE
PRINT"Hello world!"
'This line could be left out.
PRINT:PRINT:PRINT"Press any key to end."
'Keep the console from closing right away so the text can be read.
DO:UNTIL INKEY$<>""
CLOSECONSOLE
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... | #GUISS | GUISS | Start,Programs,Accessories,Notepad,Type:Goodbye World[pling],
Menu:File,Print,Button:OK |
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... | #Harbour | Harbour | SET PRINT ON
SET CONSOLE OFF
? "Hello World!"
SET PRINT OFF
SET CONSOLE ON |
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... | #11l | 11l | F hash_join(table1, table2)
DefaultDict[String, [(Int, String)]] h
L(s) table1
h[s[1]].append(s)
[((Int, String), (String, String))] res
L(r) table2
L(s) h[r[0]]
res [+]= (s, r)
R res
V table1 = [(27, ‘Jonah’),
(18, ‘Alan’),
(28, ‘Glory’),
(18,... |
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
| #Scala | Scala | def functionWithAFunctionArgument(x : int, y : int, f : (int, int) => int) = f(x,y) |
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
| #Crystal | Crystal | 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... | #Haskell | Haskell | import System.Process (ProcessHandle, runCommand)
main :: IO ProcessHandle
main = runCommand "echo \"Hello World!\" | lpr" |
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... | #Icon_and_Unicon | Icon and Unicon | procedure main()
write(open("/dev/lp0","w"),"Hello, world!")
end |
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... | #AppleScript | AppleScript | use framework "Foundation" -- Yosemite onwards, for record-handling functions
-- HASH JOIN -----------------------------------------------------------------
-- hashJoin :: [Record] -> [Record] -> String -> [Record]
on hashJoin(tblA, tblB, strJoin)
set {jA, jB} to splitOn("=", strJoin)
script instanceOfjB
... |
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
| #Scheme | Scheme | > (define (func1 f) (f "a string"))
> (define (func2 s) (string-append "func2 called with " s))
> (begin (display (func1 func2)) (newline))
func2 called with a string |
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
| #D | D | import std.stdio;
void main() {
writeln("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... | #Integer_BASIC | Integer BASIC | require'print'
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... | #J | J | require'print'
print'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/... | #11l | 11l | F is_harshad(n)
R n % sum(String(n).map(ch -> Int(ch))) == 0
F harshad(num)
[Int] r
L(n) 1..
I is_harshad(n)
r [+]= n
I r.len == num
R r
print(harshad(20))
L(n) 1001..
I is_harshad(n)
print(n)
L.break |
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... | #11l | 11l | print("Hello world!") |
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... | #AWK | AWK |
# syntax: GAWK -f HASH_JOIN.AWK [-v debug={0|1}] TABLE_A TABLE_B
#
# sorting:
# PROCINFO["sorted_in"] is used by GAWK
# SORTTYPE is used by Thompson Automation's TAWK
#
BEGIN {
FS = ","
PROCINFO["sorted_in"] = "@ind_str_asc" ; SORTTYPE = 1
if (ARGC-1 != 2) {
print("error: incorrect number of arg... |
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
| #SenseTalk | SenseTalk | function Map oldlist, func
put () into newlist
repeat with each item of oldlist
insert (func)(it) after newlist
end repeat
return newlist
end Map |
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
| #Dafny | Dafny |
method Main() {
print "hello, world!\n";
assert 10 < 2;
}
|
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... | #Java | Java | import java.io.FileWriter;
import java.io.IOException;
public class LinePrinter {
public static void main(String[] args) {
try {
FileWriter lp0 = new FileWriter("/dev/lp0");
lp0.write("Hello World!");
lp0.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
} |
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... | #JavaScript | JavaScript | // This example runs on Node.js
var fs = require('fs');
// Assuming lp is at /dev/lp0
var lp = fs.openSync('/dev/lp0', 'w');
fs.writeSync(lp, 'Hello, world!\n');
fs.close(lp); |
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/... | #360_Assembly | 360 Assembly | * Harshad or Niven series - 01/05/2019
NIVEN CSECT
USING NIVEN,R13 base register
B 72(R15) skip savearea
DC 17F'0' savearea
SAVE (14,12) save previous context
ST R13,4(R15) link backward
ST... |
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... | #AArch64_Assembly | AArch64 Assembly |
create file helloword64.s
compile it with : as -o helloword64.o helloword.s
link it with : ld -o helloword64 helloword64.o -e main
execute it : helloword64
|
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... | #Ada | Ada | GNAT Community
--------------
This contains the GNAT Community edition. ... |
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... | #Bracmat | Bracmat | ( (27.Jonah)
(18.Alan)
(28.Glory)
(18.Popeye)
(28.Alan)
: ?table-A
& (Jonah.Whales)
(Jonah.Spiders)
(Alan.Ghosts)
(Alan.Zombies)
(Glory.Buffy)
: ?table-B
& new$hash:?H
& !table-A:? [?lenA
& !table-B:? [?lenB
& ( join
= smalltab bigtab smallschema bigsche... |
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... | #C.23 | C# | using System;
using System.Collections.Generic;
using System.Linq;
namespace HashJoin
{
public class AgeName
{
public AgeName(byte age, string name)
{
Age = age;
Name = name;
}
public byte Age { get; private set; }
public string Name { get; priva... |
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
| #Sidef | Sidef | func first(f) {
return f();
}
func second {
return "second";
}
say first(second); # => "second"
say first(func { "third" }); # => "third" |
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
| #Dao | Dao | io.writeln( '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... | #Julia | Julia |
lineprinter = Sys.iswindows() ? "LPT3" : "/dev/lp0"
lp = open(lineprinter, "w")
write(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... | #Kotlin | Kotlin | import java.io.File
fun main(args: Array<String>) {
val text = "Hello World!\n"
File("/dev/lp0").writeText(text)
} |
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... | #Lasso | Lasso | File_Write: '/dev/lp0', 'Hello world', -FileOverWrite; |
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/... | #8080_Assembly | 8080 Assembly | cpu 8086
org 100h
section .text
mov di,10 ; DI is the divisor to find digits
xor bp,bp ; Find first 20 Harshad numbers
mov cx,20
first: call next
mov ax,bp
call print
loop first
mov bp,1000 ; Find first Harshad number > 1000
call next ; .. fall through (print and stop)
mov ax,bp
;;; Print the number ... |
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... | #ALGOL_68 | ALGOL 68 | main: (
printf($"Goodbye, World!"l$)
) |
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... | #Agda | Agda |
create file helloword.s
compile it with : as -o helloword.o helloword.s
link it with : ld -o helloword helloword.o -e main
execute it : helloword
|
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... | #C.2B.2B | C++ | #include <iostream>
#include <string>
#include <vector>
#include <unordered_map>
using tab_t = std::vector<std::vector<std::string>>;
tab_t tab1 {
// Age Name
{"27", "Jonah"}
, {"18", "Alan"}
, {"28", "Glory"}
, {"18", "Popeye"}
, {"28", "Alan"}
};
tab_t tab2 {
// Character Nemesis
{"Jonah", "Whales"}
, {"Jon... |
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
| #Slate | Slate | define: #function -> [| :x | x * 3 - 1].
#(1 1 2 3 5 8) collect: function. |
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
| #Dart | Dart | main() {
var bye = 'Hello world!';
print("$bye");
} |
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... | #Locomotive_Basic | Locomotive Basic | 10 PRINT #8, "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... | #M2000_Interpreter | M2000 Interpreter |
Printer {
\\ just change the current layer to Print Page
\\ Using Layer { } we can change to basic console layer inside any layer
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... | #Maple | Maple | lprint("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/... | #Action.21 | Action! | INT FUNC SumOfDigits(INT a)
INT sum
sum=0
WHILE a#0
DO
sum==+a MOD 10
a==/10
OD
RETURN (sum)
INT FUNC Next(INT a)
INT sum
DO
a==+1
sum=SumOfDigits(a)
UNTIL a MOD sum=0
OD
RETURN (a)
PROC Main()
INT i,a
a=0
FOR i=1 TO 20
DO
a=Next(a)
PrintI(a)
Put(32)
OD
... |
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... | #ARM_Assembly | ARM Assembly |
create file helloword.s
compile it with : as -o helloword.o helloword.s
link it with : ld -o helloword helloword.o -e main
execute it : helloword
|
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... | #Arturo | Arturo |
print "Hello World!!"
|
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... | #Clojure | Clojure |
(defn hash-join [table1 col1 table2 col2]
(let [hashed (group-by col1 table1)]
(flatten
(for [r table2]
(for [s (hashed (col2 r))]
(merge s r))))))
(def s '({:age 27 :name "Jonah"}
{:age 18 :name "Alan"}
{:age 28 :name "Glory"}
{:age 18 :name "Popeye"}
... |
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
| #Smalltalk | Smalltalk | first := [ :f | f value ].
second := [ 'second' ].
Transcript show: (first value: second). |
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
| #DataWeave | DataWeave | "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... | #Mathematica_.2F_Wolfram_Language | Mathematica / Wolfram Language | commandstring = "echo Hello World! | lpr -P Printer01"
Run[commandstring] |
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... | #MATLAB_.2F_Octave | MATLAB / Octave | fid = fopen('/dev/lp0');
fprintf(fid,'Hello World!\n');
fclose(fid); |
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... | #MIXAL | MIXAL |
LPR EQU 18
STRING EQU 2000
ORIG 3000
START IOC 0(LPR)
OUT STRING(LPR)
HLT
ORIG STRING
ALF HELLO
ALF WORL
ALF D!
END START
|
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/... | #Ada | Ada | with Ada.Text_IO;
procedure Harshad is
function Next(N: in out Positive) return Positive is
function Sum_Of_Digits(N: Natural) return Natural is
( if N = 0 then 0 else ((N mod 10) + Sum_Of_Digits(N / 10)) );
begin
while not (N mod Sum_Of_Digits(N) = 0) loop
N := N + 1;
end loop;
... |
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... | #AutoHotkey | AutoHotkey | MsgBox, 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... | #AWK | AWK | $ awk 'BEGIN{print "Goodbye, World!"}'
|
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... | #Common_Lisp | Common Lisp | (defparameter *table-A* '((27 "Jonah") (18 "Alan") (28 "Glory") (18 "Popeye") (28 "Alan")))
(defparameter *table-B* '(("Jonah" "Whales") ("Jonah" "Spiders") ("Alan" "Ghosts") ("Alan" "Zombies") ("Glory" "Buffy")))
;; Hash phase
(defparameter *hash-table* (make-hash-table :test #'equal))
(loop for (i r) in *table-... |
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