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Get name of caller function in PHP?
... Many solutions seen on the web get the second element of the backtrace array to get the instance caller: can we be so sure about it? Is the second element always the one we are searching for? I thought a __construct() which includes inside another call such as parent::__construct() could shift o...
Why does parseInt yield NaN with Array#map?
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The callback function in Array.map has three parameters:
From the same Mozilla page that you linked to:
callback is invoked with three arguments: the value of the element, the index of the element, and the Array object being traversed."
So if ...
Is there a numpy builtin to reject outliers from a list
...hod is almost identical to yours, just more numpyst (also working on numpy arrays only):
def reject_outliers(data, m=2):
return data[abs(data - np.mean(data)) < m * np.std(data)]
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im...
Finding Variable Type in JavaScript
...tring("foo")
"object"
> typeof new Number(42)
"object"
The type of an array is still object. Here you really need the instanceof operator.
Update:
Another interesting way is to examine the output of Object.prototype.toString:
> Object.prototype.toString.call([1,2,3])
"[object Array]"
>...
JavaScript for detecting browser language preference [duplicate]
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Chrome has window.navigator.languages with array of user preferred languages.
– Styx
Oct 6 '15 at 6:33
1
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Best way to convert string to bytes in Python 3?
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If you look at the docs for bytes, it points you to bytearray:
bytearray([source[, encoding[, errors]]])
Return a new array of bytes. The bytearray type is a mutable sequence of integers in the range 0 <= x < 256. It has most of the usual methods of mutable sequences, descr...
How to get an object's properties in JavaScript / jQuery?
...ption of six primitive types, everything in ECMA-/JavaScript is an object. Arrays; functions; everything is an object. Even most of those primitives are actually also objects with a limited selection of methods. They are cast into objects under the hood, when required. To know the base class name, y...
JavaScript function similar to Python range()
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@RussCam: start >= stop leading to an empty array is necessary if the goal is really emulating Python's range. And I'd argue it's more intuitive anyway.
– user395760
Nov 25 '11 at 19:11
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How to post pictures to instagram using API
...p = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
return array($http, $response);
}
function GenerateGuid() {
return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
mt_rand(0, 65535),
mt_rand(0, 65535),
mt_rand(0, 65535),
mt...
When do we need curly braces around shell variables?
... foobar.
Curly braces are also unconditionally required when:
expanding array elements, as in ${array[42]}
using parameter expansion operations, as in ${filename%.*} (remove extension)
expanding positional parameters beyond 9: "$8 $9 ${10} ${11}"
Doing this everywhere, instead of just in potent...