I have an array arr = [[[1, 2], [3, 4]], [5, 6]]. I am looking for a function f that returns me the indexes of the elements also in the nested array given only arr as input. For example, function(arr, 2) -> (0, 0, 1) Has some library implemented it? Of course it’s not a… Read More Finding indexes of elements in nested arrays

I have a 2D array called $lang2 on one file I called ‘table.php’. After the form on table.php is submitted, it goes to another file I called ‘process.php’. I want to be able to iterate through $lang2 on the process.php file. On ‘table.php’, I created the 2D array like this: $lang2 = array_fill(0, count($items2), array_fill(0,… Read More How can I access a 2D array from another file on PHP?

foreach ($files as $file) { $filename = substr($file, 0, strrpos($file, ‘.’)) . ‘.jpg’; // file name with .jpg extension // lots of irrelevant code between here if (isset($filename)) { $newProcessedFileNames[] = $filename; } } $testArray = []; $result = array_values($newProcessedFileNames); foreach ($result as $row) { $string = explode(‘\\’, $row); $testArray[] = $string; } prettyPrint($testArray); //… Read More How do I combine inner arrays of a 2D array based on first identical value?

I’m currently coding battleships as a part of a college project. The game works perfectly fine but I’d like to implement a way to check if a ship has been completely sunk. This is the method I’m currently using: public static bool CheckShipSunk(string[,] board, string ship){ for(int i = 0; i < board.GetLength(0); i++){ for(int… Read More Quick way of checking if a 2D array contains an element c#

I want to reshape this array (Python) [[[0, 1, 2], [3, 4, 5], [6, 7, 8]], [[0, 1, 2], [3, 4, 5], [6, 7, 8]], [[0, 1, 2], [3, 4, 5], [6, 7, 8]]] To this: [ [0,0,0], [1,1,1], [2,2,2], [3,3,3], [4,4,4], [5,5,5], [6,6,6], [7,7,7], [8,8,8], ] And then back Couldn’t figure out how to… Read More Reshape a 3d array to a 2d array with leading points

I need to sort 2D array of pairs in JavaScript. const a = [ [1, 1], [1, 2], [1, 3], [5, 6] ] const b = [ [5, 6], [1, 2], [1, 3], [1, 1] ] b.sort((c, d) => d[0] + d[1] – c[0] + c[1]); console.log(b) function compare(a, b) { if (a.length != b.length)… Read More Sort 2D array of pairs in JavaScript

In the code below, I am checking how many unique elements are in a row. How can I rewrite the code to check how many unique elements are in a column? For example, in the first column, the result would be: (i = 0) uniqueElements = 3 ( E, F, B ) let arr =… Read More JS – How to find unique elements inside a 2D-Array?

I have the following array: Array ( [ret_code] => 0 [ret_msg] => OK [result] => Array ( [0] => Array ( [symbol] => 10000NFTUSDT [bid_price] => 0.004085 [ask_price] => 0.004095 [last_price] => 0.004085 [last_tick_direction] => MinusTick [prev_price_24h] => 0.004090 [price_24h_pcnt] => -0.001222 [high_price_24h] => 0.004120 [low_price_24h] => 0.004040 ) [1] => Array ( [symbol] =>… Read More php multidimensional array sorting using inner value

i have three arrays. H, E, and F. const H = [ [$, _, _, _, _, _, _, $,], [$, _, _, _, _, _, _, $,], [$, _, _, _, _, _, _, $,], [$, _, _, _, _, _, _, $,], [$, _, _, _, _, _, _, $,], [$, _, _,… Read More need help in nested array concatenaton/appending operation concept

I’m trying to create a function to return the prime numbers on the ages in a multidimensional array. The problem is the function I created is returning only the first occurence and I want it to return all the occurences. Here it is what I’ve done: function findPrimes(){ $people = [ [ ‘name’ => ‘Joseph… Read More How to find prime numbers in an array of arrays