Most voted "array" questions
An array (array, vector, or matrix) is an ordered data structure representing a collection of elements (values or variables), each identified by one or multiple indices.
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answer151
viewsJavascript - Take for result and put each result inside an array
Hello, someone can help me in this matter. I would like to place each result inside my new array. Example, my for generates the result of 9 Array. success: function(res){ for(i in res){ var dados =…
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answers198
viewsHow to add data from an array or json in PHP
Hello, I have a PHP array with data coming from the database, so it’s not static data, it changes. I need to add the wrong passes, goal kicks, etc of each player and save in a variable, because I…
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answer265
viewsJava - How to access a String vector of a Class in another Class?
Hello, I have a class called File.java, in which I read a txt file and put the phrases contained in this file in an Arraylist, which can be viewed in the code below: public void leitor() throws…
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answer120
viewsvector logic portugol
If anyone helps me I am grateful, I am stuck in carrying lower values than previous values Algoritmo "semnome" // Disciplina : [Linguagem e Lógica de Programação] // Professor : Antonio Carlos…
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answers45
viewsCreate a person object as an array within another object
Speak Dev’s! All quiet? Look, I’m sorry if there’s already this topic...... The help is a bit Noob, but will be of great value <3 This is the code: /*BASE DE DADOS*/ var pessoas = { pessoa: {…
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answers33
viewsFeed image links via PHP: Wordpress
to using a theme that currently has the portfolio option, but it does not natively offer an option to add link the added images. Request to modify the file. PHP, but I can’t find a way to feed one…
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answers2691
viewsArray, how to apply in this question?
I have the following question: A programming teacher, tired of students arriving late, decided to cancel class if there are few gifts. It represents the entrance of students as a array of arrival…
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answer31
viewsTreat array in Cakephp 3 controller
So people I have two controllers, sales and sales products, in which in the products sales I select product with checkbox and shipping by a buttom to another page, and in the product controller…
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answer91
viewsCreate a recursive function to accuse the occurrence of an element in a matrix
I have some problems creating a recursive function that accuses the occurrence of a requested element. So far, this is what I’ve been able to do (perhaps I’ve made some mistake with pointer…
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answer166
viewsconcatenate a link in a Map
I receive data from an API of The Movie DB, of which I must take an image link,the movie poster. The problem is that the data of this image only generates me half the link. Code: class…
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answers147
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viewsReturn the length of the sequence
I got a problem I can’t fix: Given a string "aeiaaioooau", identify existing sequences and count your elements with PHP. A sequence would be a,e,i,o and u ... Example: $s = "aeiaaioooau" "aei" is…
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answer340
viewsHistogram in Java
Hello, I need to transform an image into a pixel array. For example: Given the image "Netuno.jpeg", of 256 x 256 pixels, I need to allocate the value of pixels in that Matrix and print the amount…
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answer119
viewsHow to insert data into an array position
I have a function salvar that creates an array and sends the data via post to the BD, but before sending the data I need to insert data into two positions of the array. I’ve tried with array_fill…
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answers751
viewsCompress array by removing zeros [C]
Question: Make a program that reads a vector of 15 positions and compact, that is, eliminate zero positions. For this, all elements ahead of zero a rearward position shall be moved in the vector. My…
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answers173
viewsError Segmentation fault(core dumped) in C
When trying to calculate which prime can make a division of rest 0 with the number 600851475143 I came across the error segementation fault(core dumped) (although I used the sieve of Eratosthenes…
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answer43
viewsHow to dynamically allocate memory to a 2D array that stores the pixels of a bmp file in C?
I am trying to dynamically allocate a 2D array to store a bmp file with the following code: #include <stdio.h> #include <stdlib.h> int height, width; // variables for the image height…
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answer403
viewsPass data from one array to another
How can I pass some data from one vector to another? I’m doing an exercise and I need to take several data from several students at struct and place in a vector. Then I need to check if they were…
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answer985
viewsConvert Javascript array to a Javascript object?
The array Javascript below is the result of a query Mysql: json-database.json [ { "id": 1, "node_name": "SP2 - Virtual Private Serve Product", "children_name": "Virtual Private Server CPU",…
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answers302
viewsError trying to access an array element
How do I make the execution of mine loop generates a registration code automatically? Error on line 36 - 'book[i]. Cod = i;' [Error] subscripted value is neither array nor Pointer nor vector…
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answer56
viewsProblems with PHP Array
I’m trying to work with arrays but I’m having difficulty accessing the items or they see grouped or they generate several arrays, which I can’t access. CONTROLLER $listaDescontos =…
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answers358
viewsJS: store selected values in array
Good night. I am building a Javascript Bingo and want to store the numbers already drawn in an array to then consult it and avoid repetitions, but I don’t know how to do this. Can someone help,…
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answers712
viewsHow to access only the first position of each row in an array of arrays (matrix / multidimensional array) using foreach?
I have a array multidimensional / array of arrays / matrix (as you prefer to call): public string[,] operacoes = { { "SOMA", "", "" }, { "SUBTRAÇÃO", "", "" }, { "MULTIPLICAÇÃO", "", "" }, {…
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answer271
viewsObject and Like Array search in Javascript to return the Index find
I recently asked this question Object and Like Array Search in Javascript and it was answered to me in the best possible way, I am studying the documentation but with some difficulties where I came…
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answers434
viewsHow to recover documents from a Firestore(Firebase) collection in the right way?
I want to recover all documents from an internal collection of a document in the Firestore for an array, in case this collection has 2 documents, however after running the code below the…
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answer589
viewsHow to handle an array in json format in classic Asp
Well my situation is as follows, I have a variable that brings me the following results: var1 =…
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answer29
viewsProblem when creating Multidimensional Array with Jquery
I need to create an array this way: "M":["02328280006985",{"61","63"},],"NM":["02328280007876",{"62","64"}]} but it’s coming out that way:…
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answers25
viewsSet a Datefields Arrayfield
I need to store several dates in a Django model (I’m using version 2.1), I was able to create several fields, thus: date1 = models.DateField(null=True, blank=True, verbose_name="Data da parcela 1")…
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answers830
viewsHow to search for value in Array/object in PHP?
Personal I have the following array: stdClass Object ( [Chats] => Array ( [0] => stdClass Object ( [Chat] => stdClass Object ( [ChatId] => 13383 [UserId] => a2784a6dcf [SystemId]…
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answer51
viewsProblems instantiating object in vector by Return of a method - JAVA
I have the following method of the Shop class that has the function of filling the variables of an object of type Sale (besides modifying a product according to the quantity of products sold passed…
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answers27
viewsPHP - using matrix for arithmetic operations taken from combobox
Well I don’t know if anyone has ever played a game with rank system, it’s pretty simple to link split expensive costs a price and it varies depending on the link, for example each tyer on iron is…
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answer25
viewsMultisort array setting in PHP
opa, everything right?! I took this script to give continuity and has the select that brings me the database data. I’m having difficulty in doing Multisort. <?php $sql = mysql_query("select…
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answers832
viewsIteration of array elements in Typescript - Angular 7
I am trying to pass the amount of elements of an array to a Typescript variable that will feed the value property of a Gauge(speedometer). I tested to put the call of the method that would do this…
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answer217
viewsMerge the values of an Array inside another Array
I have several Arrays throughout the program to check identifiers Soon in a function I check a include to know if a particular identifier is inside an object the object has the following format {…
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answer159
viewsPHP: Add new element to an array created from an object
Hello, I have the following class in models/cliente.php: <?php class Cliente { public $id; public $nome; ... public function __construct($id, $nome, ...) { $this->id = $id; $this->nome =…
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answer375
viewsJoin objects with equal values with Javascript
I have an array of objects. I want to join objects that have similar values using Javascript. const teste = [ { Hora: '23:49:08.277', CodigoDoPiloto: '038', Piloto: 'F.MASSA', Volta: '1\t\t',…
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answer250
viewsSort a Ruby Hash Array - no implicit Conversion of Symbol into Integer
My question is about sorting a hash within an array in Ruby. I’m learning to code in Ruby, my first contact with programming, I’m exercising by consuming an api. I managed to get to where I wanted,…
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answer42
viewsReturn list of files contained in a web page
I need to pass the link of a page to a program in js Node, and it returns me all the names of the files . bz2 that it contains in it. The page would be that of the image. It would be something like:…
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answers33
viewsList array within exceptions (IF) and generate new status array
I created an algorithm that checks an array of percentages and returns a status according to the value, but my array STATUS is returning me only the last value. I would like the status array to…
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answer76
viewsFilling an Array with Read Data from an XML File
I need to fill an array with read data from an XML file, the code is listing all of the xml file the data in the browser correctly: if (file_exists('clientes.xml')) { $xml =…
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answers268
viewsMethod that takes all data returns empty JSON in the API
I’m developing an API based on code from a publication I saw on the internet, source: https://www.w3jar.com/crud-rest-api-in-php-pdo/ This file has a condition, if I pass an ID it returns a good…
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answer70
viewsHow to return an attribute from a class based on the minimum and maximum of other attributes of the array?
Hello, I would like to know how I can go through the vector of objects and return the name of the company that has the smallest amount of employees and the name of the company that has the largest…
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answers98
viewsCS0847 error in matrix code in C#
I’m making a simple matrix code in C# to display string values, only it appears CS0847 Error: Matrix initializer of length "3" on line 9 and did not understand what it means. using System; namespace…
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answer204
viewsHello, I’m trying to do a data structures exercise in c, but there’s an error and I can’t find it. Follow the statement and the code
4. Write in C a system for enrollment and visualization of students. /// To store all students, implement a dynamic vector of pointers for structs, with a size of 100 records #include<stdio.h>…
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answers476
viewsI need to return the text of a m3u file in lists
I have a file ". m3u" I need to return some data in list. PHP example: <?php $m3u_file = file_get_contents('meuarquivo.m3u');…
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answer35
viewsSegmentation failure using realloc function
Hello, I have a function that should receive values from an intersection and if you enter a value I should relocate more memory and return this pointer. Analyzing the problem, it seems to me to be…
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answer81
viewsGenerate a python array of multiple variables
Hello! I am trying to generate a function that reads imported data from a "csv" file and converts it to an array. The data of one column is integer, and of the other column is an intercalation of…
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answers171
viewsHow to show values of an Array in a single message?
package Algoritmos; import javax.swing.*; public class testinho { public static void main(String[] args) { int[][] numero_conta = new int[3][3]; numero_conta[0][0] = 111; numero_conta[0][1] = 222;…
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answers35
viewsProblem with array_merge and WHILE - PHP Codeigniter
Good morning! I have a while that reads all the lines of a specific file, inside that while it calls a method that returns a value. This value is an array, and I’m giving a merge array_for each…
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answer142
viewsHow to include a new note in an array?
Make a program that calculates the arithmetic mean of N banknotes using array. I’m trying to do this: package exer4; import java.util.Scanner; public class Exer4 { public static void main(String[]…