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Syntax for creating a two-dimensional array
...Hi Muneeb, if i understood correctly, you're asking in a multi-dimensional array, with different column size for each row, how to assign the values. Here'z how: int[][] multi = new int[][]{{1,2,3},{1,2,3,4},{1}}; and you can access/print them like: for(int i=0; i<multi.length; i++){ for(int j=0;...
Permutations in JavaScript?
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If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < input.length; i++) {
ch = in...
Javascript sort array by two fields
So the above code sorts the array by gsize - smallest to largest. It works good.
But if the gsize is the same I would like it to then sort by glow.
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Implode an array with JavaScript?
Can I implode an array in jQuery like in PHP?
7 Answers
7
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
What does ArrayIndexOutOfBoundsException mean and how do I get rid of it?
25 Answers
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Does .asSet(…) exist in any API?
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You could use
new HashSet<String>(Arrays.asList("a","b"));
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Generating a drop down list of timezones with PHP
... Updated it to use DateTimeZone::ALL instead of creating an array of available regions and looping through it.
– Nathan J.B.
Jul 3 '13 at 16:00
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How to easily truncate an array with JavaScript?
...ements IEnumerable . Is there anything similar in jQuery for working with arrays?
6 Answers
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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Numbers
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x ...
Why can I add named properties to an array as if it were an object?
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Virtually everything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys...