Category "arrays"

Is there any reason to keep array length -1 in iterations of a loop using arrays?

private static void SortArray(List<int> nums) { int buffer = 0; for(int i = 0; i < nums.Count - 1; i++) {

Using SELECT DISTINCT to retrieve nearly identical array values in PGSQL

In an app that I am currently developing users are allowed to locations identified, amongst other things by their latitude/longitude coordinates. The location e

How to convert array into JavaScript object

I have an array like this (which is similar to a JSON array) of length n: const mainData = [ { phrase: "Phrase 1", categorynumber: 1, optionnumber

PHP extracting from hard array [duplicate]

How can I extract all elements from this array through PHP? I tried to do with array_slice but it didn't help My main problem is that I need t

Angular 12 FormGroup dynamically Array checkboxes custom validator does not work

I am creating an Angular 12 app, with Material. I have a form with an checkbox array loaded dynamically from database. I need to validate that at least one chec

How can I sum and average my array in Java

I want to sum and average my array in Java. How can I do that? public class EjerciciosArrays extends javax.swing.JFrame { ArrayList<Double> mi_ar

NRRD File of brain tumor is not being read into python with pynrrd module

I have nrrd files of the brain tumor. When reading the file into an array with a header and passing the code print(filename), I get an array of zeros. I checked

How to convert json array to model class in flutter dart/

{ "feed": { "entry": [ { "im:name": { "label": "The Rise" }, "im:ima

How to use a value from $_POST as the parameter of an in_array function?

I have built an HTML form to search through a .csv and return all entries that match the specific input string. My aim is to be able to search through a .csv an

Re-slicing slices in Golang

I recently picked up the Go language, and now I am confused with the following code: package main import "fmt" func main() { a := make([]int, 5) prin

remove all rows including words (character) in numpy 2d array python

How can I remore words in my 2d array: from: array([['111', 'ACTG1'], ['131', '124'], ['95', '123'], ['95', '124'], ['95', 'ACTG1'],

How to preload text into text area in v-for loop(vue)?

I am struggling on something that I thought would first be easy to solve. Imagine a page loading with multiple text areas as: <div v-for="(item, index) in ar

how to display multi dimension array values on screen

// aap.component.html <ul *ngFor="let items of exceltoJson" > <li> {{ items }} </li> </ul> <input type="file" (change)="onFi

Unpivot/Transpose in Presto SQL

I have a dynamic table in the format shown in the image (left hand side). A new month column will be added every month. How do I unpivot month in Presto? I can

Cannot restart typedef'd 2D array whose address is saved in struct

I have this typedef and struct: typedef double mat[MAT_SIZE][MAT_SIZE]; typedef struct matList { char *name; mat *matrix; } matList; and I create an a

Extract complete string containing 'xxx' between two spaces

I want to know if there is a formula to extract a complete string containing 'xxx' between two spaces. For example:

RXJS data manipulation

I am trying to find the reactive way of manipulating data in an array of objects. In the array below, I want to determine the low score in groups of four and a

Return Array After For Loop

Having a hard time understanding for loops in arrays. Trying to create a Thank You card creator and these are the steps I'm trying to follow: Create a new, empt

TextView and data structures with practically unlimited capacity?

I need a TextView-like widget that is able to show file contents of arbitrary size. Android default TextView can hold and display 2^31 characters, which is just

Looping through multiple collection of arrays

I have a lot of data as response not parsed and also, so you can see what is in the response. But I want all the scores from the table results, the query filter