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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...e property length and do not define index properties like {length: 3}. see https://www.ecma-international.org/ecma-262/6.0/index.html#sec-array-len Step 9.
[undefined, undefined, undefined] will define index properties and length property like {0: undefined, 1: undefined, 2: undefined, length: 3}. ...
SQL - many-to-many table primary key
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valueOf() vs. toString() in Javascript
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
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JavaScript: Get image dimensions
...rl;
}
Use the above simply as: getMeta( "http://example.com/img.jpg" );
https://developer.mozilla.org/en/docs/Web/API/HTMLImageElement
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What exactly do “IB” and “UB” mean?
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Shell equality operators (=, ==, -eq)
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Scala: List[Future] to Future[List] disregarding failed futures
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Removing projects in Sublime Text 2 and 3
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How to initialize a list of strings (List) with many string values
...tring> { "bird", "dog" };
Above two are the shortest ways, please see https://www.dotnetperls.com/list
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