Latest questions in Java

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How to filter object array based on attributes?

The real estate house objects in my ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 951 views
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Define a global variable in a JavaScript function

Can a global variable be defined in ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 628 views
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How to sort an array of integers correctly

Trying to retrieve the greatest and lowest ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 940 views
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What is event bubbling and capturing?

What is the distinction between event bubbling ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 538 views
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creating list of objects in Javascript

Is it feasible to make a list ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 694 views
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What is property in hasOwnProperty in JavaScript?

Consider: if (someVar.hasOwnProperty('someProperty') ) { // Do something(); } ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 998 views
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How to add a class to a given element?

I already have a class for an element: <div class="someclass"> <img ... ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 685 views
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window.onload vs document.onload

Which is more popular: window.onload or document.onload? READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 696 views
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What is VanillaJS?

I have a simple query that has ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 820 views
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How do I replace all occurrences of a string in JavaScript?

Given a string: s = "Test abc test ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 812 views
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How to write palindrome in JavaScript

I'm wondering how to construct a palindrome ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 678 views
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How do I copy to the clipboard in JavaScript?

How can I copy text to the ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 997 views
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JavaScript Array splice vs slice

What is the distinction between splice and ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 601 views
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Page Redirect after X seconds wait using JavaScript

After displaying an error notice, I need to redirect to a specified URL after 5 seconds.  First, I utilized Javascript as seen below. document.ready(window.setTimeout(location.href = "https://www.google.co.in",5000)); However, it is not ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 1,246 views
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What is the difference between ' and " in JavaScript?

When creating strings in JavaScript, the character'or ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 496 views
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How to play audio?

I'm creating a game using HTML5 and ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 645 views
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How do I check if an array includes a value in JavaScript?

What is the shortest and most efficient ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 738 views
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What is the !! (not not) operator in JavaScript?

I encountered some code that appears to ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 542 views
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What is lexical scope?

What is a concise overview of lexical ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 661 views
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How do you reverse a string in-place in JavaScript?

Without utilizing built-in methods (.reverse(),.charAt(), etc.), how ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 724 views
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How to convert an Object {} to an Array [] of key-value pairs in JavaScript

I'd want to transform the following object: {"1":5,"2":7,"3":0,"4" ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 1,355 views
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Convert javascript array to string

I'm attempting to loop through a "value" ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 767 views
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Javascript call() & apply() vs bind()?

I'm already aware that apply and calls are functions that do the same thing (context of a function). The distinction is in how we communicate the arguments (manual vs array). When should I, however, utilize the bind() method? var obj = { x: ...READ MORE

Sep 22, 2022 in Java by Nicholas
 • 7,760 points • 858 views
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Javascript call() & apply() vs bind()?

I'm already aware that apply and calls are functions that do the same thing (context of a function). The distinction is in how we communicate the arguments (manual vs array). When should I, however, utilize the bind() method? var obj = { x: ...READ MORE

Sep 22, 2022 in Java by Nicholas
 • 7,760 points
edited Mar 4 • 68 views
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How to convert a string to an integer in JavaScript?

In JavaScript, how do I convert a ...READ MORE

Sep 22, 2022 in Java by Nicholas
 • 7,760 points • 854 views
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What does [object Object] mean? (JavaScript)

One of my notifications had the follo ...READ MORE

Sep 22, 2022 in Java by Nicholas
 • 7,760 points • 651 views
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Remove duplicate values from JS array

I have a pretty simple JavaScript arr ...READ MORE

Sep 22, 2022 in Java by Nicholas
 • 7,760 points • 1,045 views
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What is lexical scope?

What is a quick overview of lexical ...READ MORE

Sep 22, 2022 in Java by Nicholas
 • 7,760 points • 679 views
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How do I format a date in JavaScript?

How can I convert a Date object ...READ MORE

Sep 21, 2022 in Java by Nicholas
 • 7,760 points • 680 views
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For-each over an array in JavaScript

How can I use JavaScript to loop ...READ MORE

Sep 21, 2022 in Java by Nicholas
 • 7,760 points • 811 views
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Javascript require() function giving ReferenceError: require is not defined

Essentially, I'm using javascript to scrape data from the Google Play store by: 1-Request 2-Cheerios 3-QueryString I used Google Market API from Github ...READ MORE

Sep 21, 2022 in Java by Nicholas
 • 7,760 points • 724 views
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How can I remove a specific item from an array?

How do I get rid of a specific value from an array?  As an example: array.remove(value); // removes all elements with ...READ MORE

Sep 21, 2022 in Java by Nicholas
 • 7,760 points • 834 views
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How to check whether a string contains a substring in JavaScript?

There doesn't seem to be a String.contains() ...READ MORE

Sep 21, 2022 in Java by Nicholas
 • 7,760 points • 704 views
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window.location.href and window.open () methods in JavaScript

What is the difference between window.location.href and ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 643 views
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How can I validate an email address in JavaScript?

To avoid the most basic mistyping, I'd ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 683 views
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What does "javascript:void(0)" mean?

<a href="javascript:void(0)" id="loginlink">login</a> ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 820 views
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Why does my JavaScript code receive a "No 'Access-Control-Allow-Origin' header is present on the requested resource" error, while Postman does not?

I'm attempting to provide authorisation using JavaScript by connecting to the RESTful API integrated into Flask.  However, when I make the request, I receive the following error: XMLHttpRequest cannot load http://myApiUrl/login. No 'Access-Control-Allow-Origin' header ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 814 views
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Convert Array to Object

What is the best way to convert: ['a','b','c'] to: { ...READ MORE

Sep 20, 2022 in Java by Nicholas
 • 7,760 points • 859 views
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Unable to run an individual test case in a framework

Individual testase unable to run - it ...READ MORE

Sep 10, 2022 in Java by Ramarao
edited Mar 4 • 71 views
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In TestNG only @BeforeTest is executing not @test and @AfterTest And it shows error this.driver is null

import java.time.Duration; import org.openqa.selenium.By; import org.openqa.selenium.Keys; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.chrome.ChromeDriver; import ...READ MORE

Aug 30, 2022 in Java by Mian
edited Mar 4 • 46 views
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Copy several byte arrays to one big byte array

I have several little byte arrays and ...READ MORE

Aug 18, 2022 in Java by krishna
 • 2,820 points • 1,009 views
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How are arrays implemented in java?

In Java, arrays are implemented as objects, ...READ MORE

Aug 18, 2022 in Java by krishna
 • 2,820 points • 841 views
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Where is array's length property defined?

As you know, to determine the length ...READ MORE

Aug 12, 2022 in Java by krishna
 • 2,820 points • 502 views
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Where is Java's Array indexOf?

I am not able to find it. ...READ MORE

Aug 12, 2022 in Java by krishna
 • 2,820 points • 774 views
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How do I fill arrays in Java?

Is there a proper way to fill ...READ MORE

Aug 12, 2022 in Java by krishna
 • 2,820 points • 821 views
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Returning arrays in Java

I am trying to return an array ...READ MORE

Aug 11, 2022 in Java by krishna
 • 2,820 points • 734 views
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How do I declare and initialize an array in Java?

How can I declare and initialize an ...READ MORE

Aug 11, 2022 in Java by krishna
 • 2,820 points • 584 views
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Get comment from Facebook Post in realtime

I'm trying to develop a Java Spring ...READ MORE

Aug 11, 2022 in Java by Thành
edited Mar 4 • 54 views
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Spring Boot Exception error.

I'm working on a Spring Boot project. ...READ MORE

Aug 9, 2022 in Java by anonymous
edited Mar 4 • 81 views
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Arrays of different types

Is it possible to have an array ...READ MORE

Aug 8, 2022 in Java by krishna
 • 2,820 points • 725 views
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