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Creating range in JavaScript - strange syntax
... this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.apply handles arguments
How Array handles multiple arguments
How the Number function handles arguments
What Function.prototype.call does
They're rather advanced topics in javascript,...
How do I find the length of an array?
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.
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Removing an element from an Array (Java) [duplicate]
Is there any fast (and nice looking) way to remove an element from an array in Java?
15 Answers
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How do arrays in C# partially implement IList?
So as you may know, arrays in C# implement IList<T> , among other interfaces. Somehow though, they do this without publicly implementing the Count property of IList<T> ! Arrays have only a Length property.
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C pointer to array/array of pointers disambiguation
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int* arr[8]; // An array of int pointers.
int (*arr)[8]; // A pointer to an array of integers
The third one is same as the first.
The general rule is operator precedence. It can get even much more complex as function pointers come into the p...
Merge and interleave two arrays in Ruby
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More importantly, what if the two arrays are of unequal lengths? Especially if s is the longer one? I think I can safely assume the example Chris gave isn't he actual data he;s working with. consider: [].zip[1, 2] => nil (going to have a hard time calling...
Javascript equivalent of Python's zip function
...a javascript equivalent of Python's zip function? That is, given multiple arrays of equal lengths create an array of pairs.
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Array include any value from another array?
What's the most efficient way to test if an array contains any element from a second array?
5 Answers
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cleanest way to skip a foreach if array is empty [duplicate]
...a million ways to do this.
The first one would be to go ahead and run the array through foreach anyway, assuming you do have an array.
In other cases this is what you might need:
foreach ((array) $items as $item) {
print $item;
}
Note: to all the people complaining about typecast, please no...
Best way to initialize (empty) array in PHP
...her languages (AS3 for example), it has been noted that initializing a new array is faster if done like this var foo = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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