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How to output numbers with leading zeros in JavaScript [duplicate]
...d(num, places) {
var zero = places - num.toString().length + 1;
return Array(+(zero > 0 && zero)).join("0") + num;
}
zeroPad(5, 2); // "05"
zeroPad(5, 4); // "0005"
zeroPad(5, 6); // "000005"
zeroPad(1234, 2); // "1234" :)
...
How to get all options of a select using jQuery?
...use we are returning them inside of the map function it actually builds an array of the values just as requested.
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Calculate the median of a billion numbers
...t[] numbers = new int[1_000_000_000];
System.out.println("created array after " + (System.currentTimeMillis() - start) + " ms");
Random rand = new Random();
for (int i = 0; i < numbers.length; i++) {
numbers[i] = rand.nextInt();
}
System.out...
How do I get a plist as a Dictionary in Swift?
...
how does it looks like if Array?
– Arnlee Vizcayno
Jul 4 '14 at 8:35
...
JavaScript variable assignments from tuples
...
A frozen array behaves identically to a python tuple:
const tuple = Object.freeze(["Bob", 24]);
let [name, age]; = tuple
console.debug(name); // "Bob"
console.debug(age); // 24
Be fancy and define a class
class Tuple extends Array...
how to bypass Access-Control-Allow-Origin?
...',
'https://www.mysite2.com',
'http://www.mysite2.com',
];
if (in_array($origin, $allowed_domains)) {
header('Access-Control-Allow-Origin: ' . $origin);
}
Thats much safer. You might want to edit the matching and change it to a manual function with some regex, or something like that. ...
What does “Mass Assignment” mean in Laravel?
...
Mass assignment is when you send an array to the model creation, basically setting a bunch of fields on the model in a single go, rather than one by one, something like:
$user = new User(request()->all());
(This is instead of explicitly setting each value...
PHP file_get_contents() and setting request headers
...t worked for me (Dominic was just one line short).
$url = "";
$options = array(
'http'=>array(
'method'=>"GET",
'header'=>"Accept-language: en\r\n" .
"Cookie: foo=bar\r\n" . // check function.stream-context-create on php.net
"User-Agent: Mozilla/5.0 ...
Any implementation of Ordered Set in Java?
...led NSOrderedSet that acts as Set and its items can be accessed as an Array 's ones.
10 Answers
...
How do I compare two hashes?
...hash1.to_a == hash3.to_a # => false
You can convert the hashes to arrays, then get their difference:
hash3.to_a - hash1.to_a # => [["c", 3]]
if (hash3.size > hash1.size)
difference = hash3.to_a - hash1.to_a
else
difference = hash1.to_a - hash3.to_a
end
Hash[*difference.flatten] ...