How to sort an array of objects with jquery or javascript [duplicate]

This question already has answers here: Sorting an array of objects by property values (32 answers) Closed 7 years ago. I have an array of objects: var array = [(id, name, value),(id, name, value)]; //and so on How do I get the array to be sorted in ascending order of the atribute name (array[i][1])? I’ve … Read more

in_array() and multidimensional array

I use in_array() to check whether a value exists in an array like below, $a = array(“Mac”, “NT”, “Irix”, “Linux”); if (in_array(“Irix”, $a)) { echo “Got Irix”; } //print_r($a); but what about an multidimensional array (below) – how can I check that value whether it exists in the multi-array? $b = array(array(“Mac”, “NT”), array(“Irix”, “Linux”)); … Read more

How does numpy.newaxis work and when to use it?

When I try numpy.newaxis the result gives me a 2-d plot frame with x-axis from 0 to 1. However, when I try using numpy.newaxis to slice a vector, vector[0:4,] [ 0.04965172 0.04979645 0.04994022 0.05008303] vector[:, np.newaxis][0:4,] [[ 0.04965172] [ 0.04979645] [ 0.04994022] [ 0.05008303]] Is it the same thing except that it changes a row … Read more

How to Flatten a Multidimensional Array?

Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references? I’m only interested in the values so the keys can be ignored, I’m thinking in the lines of array_map() and array_values(). 31 Answers 31 As of PHP 5.3 the shortest solution seems to be array_walk_recursive() with the new closures syntax: … Read more

How do you rotate a two dimensional array?

Inspired by Raymond Chen’s post, say you have a 4×4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I’d like to see some real world stuff. [1][2][3][4] [5][6][7][8] [9][0][1][2] [3][4][5][6] Becomes: [3][9][5][1] [4][0][6][2] [5][1][7][3] [6][2][8][4] Update: Nick’s answer is the most straightforward, but … Read more