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How can I determine if a variable is 'undefined' or 'null'?
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answered Apr 15 '10 at 18:14
SarfrazSarfraz
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PHP function to get the subdomain of a URL
...ed by reference" by adding double parenthesis.
EDIT 2: Starting from PHP 5.4 you can simply do:
explode('.', 'en.example.com')[0];
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CSS hexadecimal RGBA?
...t-facing products?
All jokes aside: it's currently only the start of 2015, so these will not be supported in any browser for quite some time yet - even if your product is only designed to work on the most up-to-date of browsers you'll probably not be seeing this in action in a production browser ...
Prevent automatic browser scroll on refresh
...mple would be if you clicked on a link http://example.com/post/244#comment5 and refreshed the page after looking around you would not be at the anchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would always navigate to the anchor.
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How do I call ::std::make_shared on a class with only protected or private constructors?
...ate();
}
::std::shared_ptr<A> bar()
{
return A::create("George", 5);
}
::std::shared_ptr<A> errors()
{
::std::shared_ptr<A> retval;
// Each of these assignments to retval properly generates errors.
retval = A::create("George");
retval = new A(A::this_is_private{0}...
How to append something to an array?
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4534
Use the Array.prototype.push method to append values to the end of an array:
// initialize...
Remove the last three characters from a string
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edited Jan 25 '19 at 14:56
Ctrl S
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answered Mar 22 ...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
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AndrewAndrew
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Get JavaScript object from array of objects by value of property [duplicate]
...lter()
const jsObjects = [
{a: 1, b: 2},
{a: 3, b: 4},
{a: 5, b: 6},
{a: 7, b: 8}
]
let result = jsObjects.filter(obj => {
return obj.b === 6
})
console.log(result)
Find the value of the first element/object in the array, otherwise undefined is returned.
var...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
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