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How can I declare and use Boolean variables in a shell script?
...!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_world_is_flat=true
# ...do something interesting...
if $the_world_is_flat ; then
echo 'Be careful not to fall off!'
fi
From: Using boolean variables in Bash
The reason the original answer is included here is b...
How to set bootstrap navbar active class with Angular JS?
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edited Sep 1 '13 at 20:18
answered Sep 1 '13 at 19:59
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Automatic exit from bash shell script on error [duplicate]
... |
edited May 16 '19 at 13:09
Louis
3,83033 gold badges3434 silver badges5151 bronze badges
answered Ma...
How to access the last value in a vector?
...
384
I use the tail function:
tail(vector, n=1)
The nice thing with tail is that it works on dat...
How can I concatenate regex literals in JavaScript?
...ex2.flags).split("").sort().join("").replace(/(.)(?=.*\1)/g, "");
var regex3 = new RegExp(expression_one.source + expression_two.source, flags);
// regex3 is now /foobar/gy
It's just more wordy than just having expression one and two being literal strings instead of literal regular expressions.
...
Currency formatting in Python
...
fjsj
10.2k88 gold badges3535 silver badges5353 bronze badges
answered Nov 26 '08 at 14:50
S.LottS.Lott
...
How do you Force Garbage Collection from the Shell?
...ng this in bash/perl/ruby/other scripts. I've used popen2 in Python or open3 in Perl to do this.
UPDATE: here's a one-liner using jmxterm:
echo run -b java.lang:type=Memory gc | java -jar jmxterm-1.0-alpha-4-uber.jar -n -l host:port
...
Disabling the fullscreen editing view for soft keyboard input in landscape?
...
jnicjnic
8,23533 gold badges2828 silver badges4646 bronze badges
...
How to find the type of an object in Go?
...
"reflect"
)
func main() {
tst := "string"
tst2 := 10
tst3 := 1.2
fmt.Println(reflect.TypeOf(tst))
fmt.Println(reflect.TypeOf(tst2))
fmt.Println(reflect.TypeOf(tst3))
}
Output:
Hello, playground
string
int
float64
see: http://play.golang.org/p/XQMcUVsOja to view ...