Category "arrays"

Arduino C++ - call registers by arrays

I am using a Teensy with Teensyduino to control several stepper motors. This requires writing to timer value registers, and there are 4 needed for each stepper

Sort multidimensional array by column value within a column

I have an array in PHP and I need to sort by a nested array inside of the array... Here is my array: Array ( [0] => Array ( [project_

PHP array, move keys and values to new array, but mix it up

so I need to convert a PHP array i'm getting from a form post, so that I can use it more usefully in a db. Array ( [first_name] => Array ( [0]

Using lodash push to an array only if value doesn't exist?

I'm trying to make an array that if a value doesn't exist then it is added but however if the value is there I would like to remove that value from the array as

Longest K Sequential Increasing Subsequences

Why I created a duplicate thread I created this thread after reading Longest increasing subsequence with K exceptions allowed. I realised that the person who wa

Count how many iterations of deletion until array is ordered

I'm trying to write a program whose input is an array of integers, and its size. This code has to delete each element which is smaller than the element to the l

How do I average the elements that are above a threshold in an array?

I am trying to average all the elements that are above 150 in an array. I can't figure out how to make it all work out and output the correct numbers. Can anyon

How do I average the elements that are above a threshold in an array?

I am trying to average all the elements that are above 150 in an array. I can't figure out how to make it all work out and output the correct numbers. Can anyon

What is the correct way to access the columns in NumPy?

I cannot figure out the following problem: Elements that were placed at the corners of an 4X3 array are selected. The row indices of the selected items are [0

C# check object type against multiple types

IS there a way to pass an array of types to the "is" operator? I am trying to simplify the syntax of checking an object against multiple types. Something like

Splicing objects from an array Javascript

I am trying to remove an object from an array if a particular value for a key matches a given string: Example data: array = [{_id: "abc", test: "123"},

How to assign value to zero-length array defined by ctypes in Python3

Here I have a class defined like below, whose attribute data is a zero-length array. How to instantiate this class? class Frame(ctypes.Structure): _fields_

plotting data from a list in python

I need to plot the velocities of some objects(cars). Each velocity are being calculated through a routine and written in a file, roughly through this ( I have

How to add emoji in a spinner in an array with list items

I want to have spinner which contains list of items in a way where every entry have an emoji with it. I have already an array but I don't know how can I add emo

Typescript error (2345) when pushing element to array of elements(React js)

I'm pretty new to Typescript and I was trying to migrate a component I had on Reactjs to typescript. This component is supposed to receive a number from 0-10 as

NumPy 2D array: selecting indices in a circle

For some rectangular we can select all indices in a 2D array very efficiently: arr[y:y+height, x:x+width] ...where (x, y) is the upper-left corner of the rec

Partition negative and positive in an array in java using shift operator

You will be given an array of n integers, both negative and positive. You need to partition the array into positive and negative numbers. Add all the positive i

Algorithm to return all combinations of 3 combinations from a array of length 6 without the number appearing with the same set of numbers

I was trying to write a algorithm in javascript that returns all the possible 3 digit numbers numbers from a given array of length 6 For Example var arr = [1, 2

How to Remove Every Other Element in an Array in Swift?

So say I have an array: var stringArray = ["a","b","c","d","e","f","g","h","i","j"] Now, how do I delete "a", "c", "e", "g", and "i" (all the even number ind

Why does new int() work like an array in C++?

As far as I understand int* p = new int(); Is something like creating an int with a constructor. If so why does the following code work like an array? int* p =