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Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...do that by adding three backquotes before and after the command so ```echo hello``` becomes echo hello.
– PatS
Jun 1 '18 at 15:17
...
Looping over arrays, printing both index and value
... work same:
declare -A bar=([foo]=snoopy [bar]=nice [baz]=cool [foo bar]='Hello world!')
paste -d = <(printf "bar[%s]\n" "${!bar[@]}") <(printf '"%s"\n' "${bar[@]}")
bar[foo bar]="Hello world!"
bar[foo]="snoopy"
bar[bar]="nice"
bar[baz]="cool"
Issue with newlines or special chars
Unfortune...
AngularJS : The correct way of binding to a service properties
...ibutes of a service, why don't we expose the service to the scope?
$scope.hello = HelloService;
This simple approach will make angular able to do two-way binding and all the magical things you need. Don't hack your controller with watchers or unneeded markup.
And if you are worried about your vi...
How to compare two strings in dot separated version format in Bash?
...o "$1" | tr '.' ' '); }
$ [ $(ver 10.9) -lt $(ver 10.10) ] && echo hello
hello
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What is the difference between . (dot) and $ (dollar sign)?
...to a prefix function, one can write ($ 3) (4+) analogous to (++", world") "hello".
Why would anyone do this? For lists of functions, for example. Both:
map (++", world") ["hello","goodbye"]`
and:
map ($ 3) [(4+),(3*)]
are shorter than map (\x -> x ++ ", world") ... or map (\f -> f 3) .....
Can code that is valid in both C and C++ produce different behavior when compiled in each language?
...truct f { int x; };
int main() {
f();
}
int f() {
return printf("hello");
}
In C++ this will print nothing because a temporary f is created and destroyed, but in C90 it will print hello because functions can be called without having been declared.
In case you were wondering about the na...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
...ass();
$obj->field='world';
$original=array($obj);
function example($hello) {
$hello[0]->field='mundo'; // change will be applied in $original
$hello[1]=new stdClass(); // change will not be applied in $original
$
}
example($original);
var_dump($original);
// array(1) { [0]=&g...
How can I use jQuery in Greasemonkey?
.... Make sure you have the require tag in the Greasemonkey header. Here is a Hello World example:
// ==UserScript==
// @name Test jQuery
// @namespace http://www.example.com/jQueryPlay/
// @description Just a test
// @include http://*
// @require http://ajax.googleapis....
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...not a gurantee, but the default implementation from Sun. Things like s = "Hello" and t = "Hello" would probably result in s and t having the same identityHashCode as they really are the same object.
– TofuBeer
Feb 24 '09 at 15:23
...
What is the Swift equivalent of isEqualToString in Objective-C?
...he equality with isEqualToString
You can now use ==
Example:
let x = "hello"
let y = "hello"
let isEqual = (x == y)
now isEqual is true.
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