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Any shortcut to initialize all array elements to zero?
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A default value of 0 for arrays of integral types is guaranteed by the language spec:
Each class variable, instance variable, or array component is initialized with a default value when it is created (§15.9, §15.10) [...] For type int, the defa...
How to detect duplicate values in PHP array?
I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:
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How to append something to an array?
How do I append an object (such as a string or number) to an array in JavaScript?
30 Answers
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Is an array name a pointer?
Is an array's name a pointer in C?
If not, what is the difference between an array's name and a pointer variable?
10 Answer...
How to check if a value exists in an array in Ruby
I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird'] .
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Passing a 2D array to a C++ function
I have a function which I want to take, as a parameter, a 2D array of variable size.
15 Answers
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how does Array.prototype.slice.call() work?
I know it is used to make arguments a real array, but I don't understand what happens when using Array.prototype.slice.call(arguments)
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Difference between array_map, array_walk and array_filter
What exactly is the difference between array_map , array_walk and array_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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+ operator for array in PHP?
What does + mean for array in PHP?
8 Answers
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Loop through an array in JavaScript
In Java you can use a for loop to traverse objects in an array as follows:
40 Answers
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