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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...ve it! Really useful if you want to get the property of an object after an array.find() operation that might not return any results
– Shiraz
Apr 30 '19 at 14:34
...
Synchronous request in Node.js
...3.php' }];
async.mapSeries(endpoints, http.get, function(results){
// Array of results
});
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How to duplicate object properties in another object?
...notably: not available in IE < 9. The same actually goes for .forEach() array method, which I used in place of regular for loop.
Luckily, there is es5-shim available for these ancient browsers, which will polyfill many ES5 features (including those two).
(I'm all for polyfills as opposed to hol...
Can I use break to exit multiple nested 'for' loops?
...hat you might need to use from time to time (macros, goto's, preprocessor, arrays): parashift.com/c++-faq-lite/big-picture.html#faq-6.15
– jkeys
Aug 11 '09 at 4:26
43
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Collisions when generating UUIDs in JavaScript?
...-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
)
}
console.log(uuidv4());
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Prevent strace from abbreviating arguments?
...
This doesn't work for "nested" or array arguments, e.g. ioctl(3, SNDCTL_TMR_TEMPO or TCGETA, {B9600 -opost -isig -icanon -echo ...})
– Marki555
Dec 19 '15 at 0:13
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Computed read-only property vs function in Swift
...} - returns same result. It is modified sample from apple documentation on Array.filter(). And it is much more easy to understand.
– poGUIst
Jul 26 '18 at 19:06
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Can you have multiline HTML5 placeholder text in a ?
...aceholder.
var textAreas = document.getElementsByTagName('textarea');
Array.prototype.forEach.call(textAreas, function(elem) {
elem.placeholder = elem.placeholder.replace(/\\n/g, '\n');
});
<textarea class="textAreaMultiline"
placeholder="Hello, \nThis is multiline example \n...
How to output in CLI during execution of PHP Unit tests?
..._Framework_TestCase {
function testSomething() {
$myDebugVar = array(1, 2, 3);
fwrite(STDERR, print_r($myDebugVar, TRUE));
}
}
This lets you dump anything to your console at any time without all the unwanted output that comes along with the --verbose CLI option.
As other...
How to send HTTP request in java? [duplicate]
...out.println(method.getResponseBodyAsString());
//OR as a byte array
byte [] res = method.getResponseBody();
//write to file
File