Category "arrays"

Convert every two values of an associative array into key-value pairs

I need to convert an associative array into a new associative array where the original keys are ignored and every two consecutive values become new key-value pa

iterating different length arrays and replace values

I have a dataframe that looks like this: df = pd.DataFrame({'col1': [[[1,5,3],[0,0,0]], [[1,2,3],[0,0,0], [1,2,3]]]}) # which looks like this: col1 0 [[1

Raku list addition operator `Z+` 'fails' unless one of the lists is forced

I'm struggling to understand why the zip-add Z+ operator does not work on some cases. I have some 2-element lists that I'd like to sum. These work as expected w

What is the difference between Array.from(Object) and [...Object]? [duplicate]

There are these two ES6-methods of creating an array from an array-like or iterable object: Array.from(): let arr = Array.from(Object); Spre

How to store contents of string array into 2D array in python and perform operations without any built in function?

I have tried almost everything I cannot figure it out. I cannot figure out which array to use. This is the question and the required output:

JSON: Trouble editing a JSON file in Python

What I want to do is remove the array containing "Nike" under the "Shoe" variable. Here is the Json file: { "Shoes/Colorways": [ { "

How to write a python computer program that will take any valid arithmetic expression as a string and will output a list(or array of string)? [duplicate]

How to write a python computer program that will take any valid arithmetic expression as a string and will output a list (or array of string)

Scratch card game with non-repeat array

This is a scratch card game I modify using script from https://jennamolby.com/interactive-scratch-and-win-landing-page-tutorial/ . I was trying to make a scratc

How do construct id/parentIds with a recursive function

I am trying to build data for a devexpress tree grid using a id/parentId relationship. The id needs to include the complete parent path which will be the parent

How do you print an entire row of a list made of words?

I have simplified my question where I just have a 2x2 list of words. I'm trying to print an entire row but it evidently doesn't work the same as with a list of

Return the sum of the numbers in the array,except ignore sections of numbers

SUMMER OF '69: Return the sum of the numbers in the array, except ignore sections of numbers starting with a 6 and extending to the next 9 (every 6 will

A problem was caused by an array that was not initialized

I am trying to solve a execise, which amis to find the Last Digit of a Large Fibonacci Number, and I try to search for others' solution, and I find one here: h

Merge column values from two arrays to form an indexed array of associative arrays

I have two arrays: $a = ['0' => 1, '1' => 2, '2' => 3] $b = ['0' => 4, '1' => 5, '2' => 6] I want to create a new array like this: [ ['

How to get a specific number of cells using an array formula in Google Sheets

I want to pre-process my data like the Result section of the attached image before flattening and using it. I want to write an array formula in the cells marked

how to calculate Manhattan distance (or L1/ cityblock) for two 2D array?

For 1D vector/array it's easier. For example: array1 = [1, 2, 3] array2 = [1, 1, 1] manhattan distance will be: (0+1+2) which is 3 import numpy as np def city

History referencing in Pine Script arrays

I have been trying to use array feature, which recently has been introduced in PineScript 4, but it seams that either I'm not aware of its limitations, or , pos

How to merge two sorted array?

Question is ==> You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n, representing the number of elemen

Minimum moves to transform a list so that each element equals its own frequency

Given a sorted array like [1,2,4,4,4]. Each element in the array should occur exactly same number of times as element. For Example 1 should occur 1 time, 2 shou

Sort array of objects by string property value

I have an array of JavaScript objects: var objs = [ { first_nom: 'Lazslo', last_nom: 'Jamf' }, { first_nom: 'Pig', last_nom: 'Bodine' },

how to implement odd numbers in a new array?

I want to output only the odd numbers from an array with the numbers from 1-100 in a new array. I have no idea how to do this. use strict; use warnings; my @z