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“var” or no “var” in JavaScript's “for-in” loop?
...bsolutely sure that that's what you want to do. For iterating through real arrays (which is pretty common), you should always use a loop with a numeric index:
for (var i = 0; i < array.length; ++i) {
var element = array[i];
// ...
}
Iterating through a plain array with "for ... in" can hav...
What is the most efficient way to deep clone an object in JavaScript?
...fined, Infinity, RegExps, Maps, Sets, Blobs, FileLists, ImageDatas, sparse Arrays, Typed Arrays or other complex types within your object, a very simple one liner to deep clone an object is:
JSON.parse(JSON.stringify(object))
const a = {
string: 'string',
number: 123,
bool: false,
...
How to initialize List object in Java?
...All Known Implementing Classes:
AbstractList, AbstractSequentialList, ArrayList, AttributeList, CopyOnWriteArrayList, LinkedList, RoleList, RoleUnresolvedList, Stack, Vector
Those can be instantiated. Use their links to know more about them, I.E: to know which fits better your needs.
The 3 m...
JavaScript data formatting/pretty printer
...";
else if (typeof value == 'object')
{
if (value instanceof Array)
{
value = "[ " + value + " ]";
}
else
{
var ood = DumpObject(value);
value = "{ " + ood.dump + " }";
}
}
result += "'" + property + "' : " + value + ", ";
...
Using usort in php with a class private function
...function merchantSort($a,$b) {
return ...// the sort
}
And use an array for the second parameter:
$array = $this->someThingThatReturnAnArray();
usort($array, array('ClassName','merchantSort'));
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What is the difference between “ is None ” and “ ==None ”
...no meaningful comparison with None. For example, a variable can be a numpy.array or None (my particular case).
– Jblasco
Oct 14 '14 at 10:38
3
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Cannot instantiate the type List [duplicate]
...ated. Only concrete types can be instantiated. You probably want to use an ArrayList, which is an implementation of the List interface.
List<Product> products = new ArrayList<Product>();
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Is it better to return null or empty collection?
...n as more efficient than returning, for example, a new empty collection or array.
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How to search for a string in cell array in MATLAB?
Let's say I have the cell array
8 Answers
8
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Can promises have multiple arguments to onFulfilled?
...mise constructor. You can resolve with a composite value like an object or array.
I don't care about how any specific promises implementation does it, I wish to follow the w3c spec for promises closely.
That's where I believe you're wrong. The specification is designed to be minimal and is bui...