Trending questions in Java

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Best place to insert JavaScript within a HTML document

Where should the javascript code go? ...READ MORE

Dec 6, 2022 in Java by Nicholas
 • 7,760 points • 1,197 views
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How to check if an object is a Promise?

Whether it's an ES6 Promise, a Bluebird ...READ MORE

Dec 6, 2022 in Java by Nicholas
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No mapping found for HTTP request with URI[....] in DispatherServlet"

Fail in loading css file in Maven ...READ MORE

Dec 20, 2022 in Java by anonymous
edited Mar 4, 2025 • 556 views
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How to add days to Date?

How can I add days to the ...READ MORE

Dec 8, 2022 in Java by Nicholas
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Arrays.fill with multidimensional array in Java

Without using a loop, how can I ...READ MORE

Nov 16, 2022 in Java by Ashwini
 • 5,440 points • 1,976 views
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How to draw a circle in HTML5 Canvas using JavaScript?

Here's how to draw a circle in ...READ MORE

Nov 15, 2022 in Java by Damonlang
 • 1,230 points • 2,019 views
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How do I link a JavaScript file to a HTML file?

How should a JavaScript file be linked ...READ MORE

Dec 6, 2022 in Java by Nicholas
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Why were Javascript `atob()` and `btoa()` named like that?

A base64 string and window are both ...READ MORE

Nov 9, 2022 in Java by Nicholas
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What is 'Currying'?

I've seen references to curried functions in ...READ MORE

Dec 6, 2022 in Java by Nicholas
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How to get first and last day of the current week in JavaScript

Today = new Date(); the object is ...READ MORE

Dec 12, 2022 in Java by Nicholas
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edited Mar 4, 2025 • 673 views
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How do I declare and initialize an array in Java?

To declare and initialize an array in ...READ MORE

Jun 22, 2023 in Java by Khan Sarfaraz
• 700 points • 1,536 views
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Why firefox is written in C++ and javascript UI?

First off, Java and JavaScript are entirely ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 2,046 views
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Best way to find if an item is in a JavaScript array?

What is the best approach to determine whether an object is in an array? This is the best method I've found: function include(arr, obj) { for (var ...READ MORE

Dec 12, 2022 in Java by Nicholas
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edited Mar 4, 2025 • 562 views
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Error: Could not find or load main class org.testng.remote.RemoteTestNG

This worked for me: Right click on your ...READ MORE

Feb 16, 2022 in Java by Aditya
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How to detect #enable-force-dark flag on Chrome v78+ using JavaScript?

I just developed and implemented a dark ...READ MORE

Nov 17, 2022 in Java by Nicholas
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Can you control GIF animation with Javascript?

Is it feasible to use Javascript to ...READ MORE

Nov 16, 2022 in Java by Nicholas
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Can I override and overload static methods in Java?

My questions are: Why can't static methods be ...READ MORE

May 15, 2022 in Java by Kichu
 • 19,040 points • 1,439 views
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How do JavaScript closures work?

How would you explain JavaScript closures to ...READ MORE

Nov 15, 2022 in Java by Nicholas
 • 7,760 points • 1,500 views
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Base64 encoding and decoding in client-side Javascript

Some browsers, including Firefox, Chrome, Safari, Opera, ...READ MORE

Nov 4, 2022 in Java by Damonlang
 • 700 points • 2,021 views
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How to show console in jsfiddle

Normally by pressing F12 or using inspect ...READ MORE

Nov 7, 2022 in Java by Damonlang
 • 700 points • 1,911 views
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What is "callback hell" and how and why does RX solve it?

Can someone provide a precise description and ...READ MORE

Nov 9, 2022 in Java by Nicholas
 • 7,760 points • 1,640 views
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Javascript counting number of objects in object

I have an object something like: Object {0=Object, ...READ MORE

Nov 15, 2022 in Java by Nicholas
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What is DOM Event delegation?

Can anyone please explain event delegation in ...READ MORE

Nov 16, 2022 in Java by Nicholas
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Javascript counting number of objects in object

I have an object something like: Object {0=Object, ...READ MORE

Nov 17, 2022 in Java by Nicholas
 • 7,760 points • 1,388 views
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1 answer

What does the function then() mean in JavaScript?

The then() method is similar to "Javascript ...READ MORE

Nov 4, 2022 in Java by Damonlang
 • 700 points • 1,905 views
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How to create an array containing 1...N

I'm looking for alternatives to the following for creating a JavaScript array with values ranging from 1 to N, where N is only known at  runtime. var foo = []; for (var i = ...READ MORE

Nov 15, 2022 in Java by Nicholas
 • 7,760 points • 1,338 views
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1 answer

Check if a variable is a string in JavaScript

This is what I've found to be ...READ MORE

Nov 15, 2022 in Java by Damonlang
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1 answer

How to send an email from JavaScript

Javascript does not natively support email sending. However, you may access the user's mail client: window.open('mailto:test@example.com'); There are also some parameters to pre-fill ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 1,666 views
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How do you use the ? : (conditional) operator in JavaScript?

In simple words, what is the ?: ...READ MORE

Nov 9, 2022 in Java by Nicholas
 • 7,760 points • 1,476 views
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CreateProcess error=2, The system cannot find the file specified

I have written a java program to ...READ MORE

May 5, 2022 in Java by Kichu
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Generating Fibonacci Sequence

var x = 0; var y = 1; var ...READ MORE

Nov 17, 2022 in Java by Nicholas
 • 7,760 points • 1,219 views
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Refresh a page using JavaScript or HTML

window.location.reload(); in JavaScript <meta http-equiv="refresh" content="1"> in HTML ...READ MORE

Nov 7, 2022 in Java by Damonlang
 • 700 points • 1,666 views
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What is the meaning of "$" sign in JavaScript

A dollar ($) symbol appears in the ...READ MORE

Nov 16, 2022 in Java by Nicholas
 • 7,760 points • 1,194 views
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What is TypeScript and why would I use it in place of JavaScript?

Could you kindly explain the TypeScript language? What ...READ MORE

Nov 16, 2022 in Java by Nicholas
 • 7,760 points • 1,191 views
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What is the use of the JavaScript 'bind' method?

What is the use of bind() in ...READ MORE

Nov 17, 2022 in Java by Nicholas
 • 7,760 points • 1,133 views
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What is the difference between ( for... in ) and ( for... of ) statements?

I'm familiar with a for... in loop (it iterates over the keys), but this is the first I've heard of a for... of loop (it iterates over values). I don't understand the for...of loop. var arr = [3, 5, 7]; arr.foo ...READ MORE

Nov 9, 2022 in Java by Nicholas
 • 7,760 points • 1,296 views
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How to round to at most 2 decimal places, if necessary

I'd like to round at most two ...READ MORE

Nov 9, 2022 in Java by Nicholas
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How to validate password using following conditions?

Password should contain At least one uppercase letter At ...READ MORE

Nov 15, 2022 in Java by Nicholas
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How to remove item from array by value?

Is it possible to delete an item ...READ MORE

Nov 17, 2022 in Java by Nicholas
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Download File Using JavaScript/jQuery

I have a similar requirement listed here. When ...READ MORE

Nov 15, 2022 in Java by Nicholas
 • 7,760 points • 1,066 views
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What's the best way to convert a number to a string in JavaScript?

What method is the "best" for convert ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 1,239 views
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Difference between Relative path and absolute path in javascript

Have small clarifications, As of my knowledge, these ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 1,271 views
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1 answer

What is location.search in javascript

http://example.com/index.php?foo=bar location.search > ?foo=bar ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 1,215 views
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1 answer

Which equals operator (== vs ===) should be used in JavaScript comparisons?

I hope this is what you're looking for: const today = new Date(); const yyyy = ...READ MORE

Nov 4, 2022 in Java by Damonlang
 • 700 points • 1,377 views
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How can I get query string values in JavaScript?

Is there a method to retrieve query ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 1,099 views
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javascript Image tag

I'm adding an image snapshot of a ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 1,129 views
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send images on whatsapp web with javascript DOM

I currently have the script that delivers ...READ MORE

Sep 28, 2022 in Java by Nicholas
 • 7,760 points • 2,884 views
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What is the "debounce" function in JavaScript?

The JavaScript "debouncing" feature piques my attention. Unfortunately, the code is not presented in a way that I can comprehend.  How does it function (my comments are below)? I just do not understand how this works, to put it briefly. // Returns a function, ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 1,066 views
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map function for objects (instead of arrays)

I have an object: myObject = { 'a': ...READ MORE

Nov 16, 2022 in Java by Nicholas
 • 7,760 points
edited Mar 4, 2025 • 574 views
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java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)

This is the exception on getConnection(): java.sql.SQLException: Access denied ...READ MORE

May 16, 2022 in Java by Kichu
 • 19,040 points • 8,369 views
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