Trending questions in Java

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How to decode jwt token in javascript without using a library?

Working unicode text JWT parser function: function parseJwt ...READ MORE

Nov 4, 2022 in Java by Damonlang
 • 700 points • 8,365 views
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Hadoop word count

import java.io.IOException; import java.util.StringTokenizer; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.Mapper; import org.apache.hadoop.mapreduce.Reducer; public ...READ MORE

Apr 10, 2023 in Java by Beautiful
edited Mar 5 • 110 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 • 804 views
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could not extract ResultSet in hibernate

I am getting this exception: "HTTP Status ...READ MORE

May 20, 2022 in Java by Kichu
 • 19,040 points • 9,474 views
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1 answer

Violation Long running JavaScript task took xx ms

These messages are classified as warnings rather ...READ MORE

Nov 15, 2022 in Java by Damonlang
 • 1,230 points • 5,530 views
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how to submit the assignments which is in eclipse to edureka assignment page

I have to submit my assignments in ...READ MORE

Mar 20, 2023 in Java by Bhuvana
edited Mar 5 • 141 views
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Spring Maven clean error - The requested profile "pom.xml" could not be activated because it does not exist

I am  getting this message when I ...READ MORE

May 8, 2022 in Java by Kichu
 • 19,040 points • 9,915 views
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Java 11 JDK for Windows 7 32-bit system

I wanted to install Java 11 on ...READ MORE

Apr 21, 2022 in Java by Rahul
 • 3,380 points • 4,837 views
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int number = 64; char special = (char) number; System.out.println(special);

int number = 64; char special = (char) ...READ MORE

Feb 24, 2023 in Java by Asande
edited Mar 5 • 129 views
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Related to jar files

: Unable to access jarfile consent-giver-api-0.1-SNAPSHOT.jar READ MORE

Feb 23, 2023 in Java by Humera
edited Mar 5 • 171 views
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related to jar files

Unable to initialize main class com.tectoro.codocs.ca.Application Caused by: ...READ MORE

Feb 23, 2023 in Java by Humera
edited Mar 5 • 135 views
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i actually created a bean in spring context,when i get that bean there is an error msg NoSuchBeansDefinationException

package com.learningSpring.learningSpring; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class HelloWorldConfiguration { ...READ MORE

Feb 21, 2023 in Java by anonymous
edited Mar 5 • 166 views
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1 answer

How to filter an array from all elements of another array

This is what I would do: var arr1 = [1,2,3,4], ...READ MORE

Nov 7, 2022 in Java by Damonlang
 • 700 points • 4,730 views
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Javascript remove background color and opacity

How can I delete the background-color  ...READ MORE

Dec 6, 2022 in Java by Nicholas
 • 7,760 points • 3,344 views
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javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)

I am getting this error while running ...READ MORE

Feb 8, 2023 in Java by kajol
edited Mar 4 • 140 views
0 votes
1 answer

Vanilla JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready for it

Use Internet Explorer 9 or later if you're using VANILLA pure JavaScript without jQuery. document.addEventListener("DOMContentLoaded", function(event) { // ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 3,762 views
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Moving and organizing Java codes on another files

I would like to create a new ...READ MORE

Jan 31, 2023 in Java by Tejashwini
 • 5,380 points
edited Mar 4 • 146 views
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1 answer

javascript filter array multiple conditions

You can do like this var filter = ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 3,639 views
0 votes
1 answer

Calculate string value in javascript, not using eval

You could use the Function() constructor: function evil(fn) ...READ MORE

Nov 15, 2022 in Java by Damonlang
 • 1,230 points • 3,238 views
0 votes
0 answers

How to get the current London time and date using javascript

Using the code below, I attempted to& ...READ MORE

Dec 7, 2022 in Java by Nicholas
 • 7,760 points • 1,626 views
0 votes
1 answer

How to trigger a file download when clicking an HTML button or JavaScript

You can trigger a download with the ...READ MORE

Nov 7, 2022 in Java by Damonlang
 • 700 points • 2,974 views
0 votes
0 answers

How can I find the prime factors of an integer in JavaScript?

Using a for loop in javascript, I was attempting to determine the prime factors of a number, denoted as 'integer' below.  I can't seem to get it to work, and I'm not sure if it's because of my JavaScript or my calculating logic. //integer is the value for which we ...READ MORE

Dec 12, 2022 in Java by Nicholas
 • 7,760 points • 1,248 views
0 votes
2 answers

What is the difference between Set and List in java?

List is an ordered sequence of elements. ...READ MORE

Apr 26, 2018 in Java by Akrati
 • 3,190 points • 63,955 views
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0 answers

Generate pdf from HTML in div using Javascript

I have the following HTML code: <!DOCTYPE html> <html> ...READ MORE

Dec 9, 2022 in Java by Nicholas
 • 7,760 points • 1,229 views
0 votes
0 answers

Convert a number into a Roman numeral in JavaScript

What is the best way to convert integers to roman numerals? function romanNumeralGenerator (int) { } Consider the following sample inputs and outputs: 1 = "I" 5 = ...READ MORE

Dec 8, 2022 in Java by Nicholas
 • 7,760 points • 1,154 views
0 votes
1 answer

Execution Failed for task :app:compileDebugJavaWithJavac in Android Studio

In Android Studio 3.1, you can see ...READ MORE

Feb 17, 2022 in Java by Aditya
 • 7,680 points • 13,790 views
0 votes
0 answers

Loop over an array in JavaScript

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

Dec 9, 2022 in Java by Nicholas
 • 7,760 points • 877 views
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How does the "this" keyword work, and when should it be used?

I'm trying to figure out what the&nbs ...READ MORE

Dec 7, 2022 in Java by Nicholas
 • 7,760 points • 814 views
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0 answers

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'MyController':

I am trying to create a spring ...READ MORE

May 9, 2022 in Java by Kichu
 • 19,040 points • 9,969 views
0 votes
0 answers

How is a JavaScript hash map implemented?

I'm using OpenLayers right now and need ...READ MORE

Dec 7, 2022 in Java by Nicholas
 • 7,760 points • 797 views
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0 answers

Const in JavaScript: when to use it and is it necessary?

In JavaScript, I recently came across the ...READ MORE

Dec 8, 2022 in Java by Nicholas
 • 7,760 points • 774 views
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How do I get the current time only in JavaScript

In JavaScript, how can I retrieve the ...READ MORE

Dec 9, 2022 in Java by Nicholas
 • 7,760 points • 752 views
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0 answers

When to use promise.all()?

What is/are the appropriate scenario(s) for using promise.all() OR Is there a better way to utilize promise.all()?  Should it be used ideally just when all of the promise objects are of the same or comparable type? The only one that comes to mind is: Use promise.all() if you want to resolve the promise only if all of ...READ MORE

Dec 12, 2022 in Java by Nicholas
 • 7,760 points • 644 views
0 votes
1 answer

Check if input is number or letter javascript

The isNaN function can be used to ...READ MORE

Nov 15, 2022 in Java by Damonlang
 • 1,230 points • 1,780 views
0 votes
0 answers

JavaScript: undefined !== undefined?

When I first tried to access Facebook API operations after integrating Facebook Connect with Tersus, I received the error messages Invalid Enumeration Value and Handler already exists. It was discovered that the source of the problem was object.x === undefined When there is no property 'x' in 'object,' returns false. I solved the problem by substituting normal equality for rigorous equality in two Facebook functions: FB.Sys.isUndefined = function(o) { return ...READ MORE

Dec 9, 2022 in Java by Nicholas
 • 7,760 points • 665 views
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0 answers

Check if a value is an object in JavaScript

How do you check if a value ...READ MORE

Dec 7, 2022 in Java by Nicholas
 • 7,760 points • 675 views
0 votes
0 answers

How do I remove an object from an array with JavaScript?

I have a JavaScript object that looks ...READ MORE

Dec 8, 2022 in Java by Nicholas
 • 7,760 points • 620 views
0 votes
0 answers

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 • 164 views
0 votes
1 answer

The difference between Classes, Objects, and Instances

A class is a type of blueprint ...READ MORE

Jun 7, 2022 in Java by pranav
 • 2,590 points • 8,594 views
0 votes
0 answers

What is the meaning of polyfills in HTML5?

Actually, I have no idea what polyfills ...READ MORE

Dec 7, 2022 in Java by Nicholas
 • 7,760 points • 590 views
0 votes
0 answers

Which is better: <script type="text/javascript">...</script> or <script>...</script>

Which is more effective or convenient  ...READ MORE

Dec 9, 2022 in Java by Nicholas
 • 7,760 points • 520 views
0 votes
0 answers

How to add days to Date?

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

Dec 8, 2022 in Java by Nicholas
 • 7,760 points • 614 views
0 votes
0 answers

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 • 667 views
0 votes
0 answers

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
 • 7,760 points • 641 views
0 votes
0 answers

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
 • 7,760 points • 608 views
0 votes
1 answer

Unrecognized SSL message, plaintext connection? Exception

It is due to the fact that ...READ MORE

Feb 22, 2022 in Java by Aditya
 • 7,680 points • 12,918 views
0 votes
0 answers

What is 'Currying'?

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

Dec 6, 2022 in Java by Nicholas
 • 7,760 points • 510 views
0 votes
0 answers

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
 • 7,760 points
edited Mar 4 • 173 views
0 votes
1 answer

How to get current formatted date dd/mm/yyyy in Javascript and append it to an input

The stringent equality operator (===) works exactly like the abstract equality operator (==), with the exception that no type conversion is performed, and the types must be the same to be regarded equal. Javascript Tutorial on Comparison Operators After performing any required type transformations, the == operator will check for equality.  Because the === operator does not perform the conversion, it will simply return false if two values are not of the same type.  Both are equally fast. "abc" == new String("abc") ...READ MORE

Nov 4, 2022 in Java by Damonlang
 • 700 points • 1,793 views
0 votes
1 answer

Using setTimeout to delay timing of jQuery actions

The JavaScript setTimeout () function  is used ...READ MORE

May 30, 2022 in Java by gaurav
 • 23,580 points • 8,647 views
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