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How do I check in JavaScript if a value exists at a certain array index?
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Conceptually, arrays in JavaScript contain array.length elements, starting with array[0] up until array[array.length - 1]. An array element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclusive. ...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
What's the real difference between declaring an array like this:
18 Answers
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Is there any use for unique_ptr with array?
std::unique_ptr has support for arrays, for instance:
17 Answers
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C dynamically growing array
...ogram that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
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How to create an array containing 1…N
I'm looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runtime.
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How to convert xml into array in php?
I want to convert below XML to PHP array. Any suggestions on how I can do this?
9 Answers
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How to check if an element is in an array
In Swift, how can I check if an element exists in an array? Xcode does not have any suggestions for contain , include , or has , and a quick search through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there ...
How to create a generic array in Java?
...rivate E[] a;
public GenSet(Class<E> c, int s) {
// Use Array native method to create array
// of a type only known at run time
@SuppressWarnings("unchecked")
final E[] a = (E[]) Array.newInstance(c, s);
this.a = a;
}
E get(int i) {
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Test if a string contains any of the strings from an array
How do I test a string to see if it contains any of the strings from an array?
14 Answers
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Is the “struct hack” technically undefined behavior?
... does seem to work under all known implementations. (Compilers which check array bounds carefully might issue warnings.)
The rationale behind the 'strictly conforming' bit is in the spec, section J.2 Undefined behavior, which includes in the list of undefined behavior:
An array subscript is...