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PHP: merge two arrays while keeping keys instead of reindexing?
How can I merge two arrays (one with string => value pairs and another with int => value pairs) while keeping the string/int keys? None of them will ever overlap (because one has only strings and the other has only integers).
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How to slice an array in Bash
Looking the "Array" section in the bash(1) man page, I didn't find a way to slice an array.
4 Answers
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How to make an array of arrays in Java
Hypothetically, I have 5 string array objects:
4 Answers
4
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Is there a NumPy function to return the first index of something in an array?
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Yes, here is the answer given a NumPy array, array, and a value, item, to search for:
itemindex = numpy.where(array==item)
The result is a tuple with first all the row indices, then all the column indices.
For example, if an array is two dimensions and it con...
Find the last element of an array while using a foreach loop in PHP
... some parameters. In Java, it's very easy to detect the last element of an array from inside the for loop by just checking the current array position with the array length.
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Find the min/max element of an Array in JavaScript
How can I easily obtain the min or max element of a JavaScript Array?
51 Answers
51
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what is faster: in_array or isset? [closed]
...case is faster because
It uses an O(1) hash search on the key whereas in_array must check every value until it finds a match.
Being an opcode, it has less overhead than calling the in_array built-in function.
These can be demonstrated by using an array with values (10,000 in the test below), for...
How to convert a DOM node list to an array in Javascript?
...pt function that accepts a list of HTML nodes, but it expects a Javascript array (it runs some Array methods on that) and I want to feed it the output of Document.getElementsByTagName that returns a DOM node list.
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Array Length in Java
I declared an array as shown below:
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16
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Convert a PHP object to an associative array
...ite which works with data stored in objects while my code is written using arrays.
32 Answers
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