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public class hello { | |
public static void main(String[] args) { | |
System.out.println("Hello " + args[0]); | |
} | |
} |
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package main | |
import ( | |
"fmt" | |
"sort" | |
) | |
func main() { | |
a := []int{10, 9, 8, 7, 6, 5, 4, 3, 2, 1} | |
res := sort.SearchInts(a, 7) |
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package main | |
import ( | |
"bufio" | |
"fmt" | |
"os" | |
) | |
func main() { | |
scanner := bufio.NewScanner(os.Stdin) |
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package main | |
import ( | |
"flag" | |
"fmt" | |
) | |
func main() { | |
fmt.Println("flag.NArg():", flag.NArg()) | |
} |
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library collatz; | |
collatz(int n) { | |
print(n.toString()); | |
if (n > 1) { | |
if (n % 2 == 1) { | |
collatz(3 * n + 1); | |
} else { | |
collatz((n / 2).round()); |
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$ [[ 11 -eq 11 -a "bb" = "bb" ]]; echo $? | |
-bash: syntax error in conditional expression | |
-bash: syntax error near `-a' |
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#!/bin/sh | |
if [[ $# -ne 3 ]] ; then | |
echo argument is invalid. | |
exit | |
fi | |
while : | |
do | |
after=`ls -l $1` | |
if [[ $after != $before && $before != "" ]] ; then |
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$ sh var.sh | |
A=/Users/user_name/.get | |
B=~/.get | |
C=~/.get | |
D=/Users/user_name/.get | |
E=$HOME/.get |
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package main | |
import ( | |
"fmt" | |
"os" | |
) | |
func main() { | |
fmt.Println(os.Getenv("HOME")) | |
} |
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package main | |
import "fmt" | |
func main() { | |
var a [10]int | |
for i := 0; i < 10; { | |
//a[i++] = 1 | |
a[i] = 1 |
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