Trending questions in Edureka Community

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How to select all columns with group by?

Try  df.select(df("*")).groupby("id").agg(sum("salary")) READ MORE

Sep 17, 2021 in Apache Spark by Parimi Pavan

edited Mar 5, 2025 • 16,804 views
0 votes
0 answers

Uipath: Excel reading and writing certain conditions required please help

Uipath I am reading columns from multiple ...READ MORE

Jun 5, 2021 in RPA by Dewrim

edited Mar 4, 2025 • 1,048 views
0 votes
2 answers

How to start Jenkins on a different port rather than 8080?

This is simple, use the following command: java ...READ MORE

Jul 4, 2018 in Jenkins by Sophie may
• 10,620 points
• 38,558 views
0 votes
1 answer

How to get the last stopped time & date of EC2 instance?

Hi@akhtar, To get the details of your last ...READ MORE

Jun 16, 2020 in AWS by MD
• 95,460 points
• 16,265 views
0 votes
0 answers

jenkins status green checkmark

Why do I see green check mark ...READ MORE

Jun 15, 2021 in Others by Sabyasachi

edited Mar 4, 2025 • 598 views
0 votes
1 answer

What is the equivalent of jQuery .hide() to set visibility: hidden

Hello Kartik, There isn't one built in but ...READ MORE

Apr 28, 2020 in JQuery by Niroj
• 82,800 points
• 18,368 views
0 votes
1 answer

ValueError: Expected 2D array, got 1D array instead: array=[2 4 7 9].

Hi@akhtar, According to your code, you are trying ...READ MORE

Apr 9, 2020 in Machine Learning by MD
• 95,460 points
• 19,179 views
0 votes
1 answer

How to convert multidimensional array into single array?

Hello, This single line would do that: $array = ...READ MORE

Nov 6, 2020 in PHP by Niroj
• 82,800 points
• 10,069 views
0 votes
1 answer

How to remove a role from Ansible Galaxy?

Hi@akhtar, You need to log in to your ...READ MORE

Aug 28, 2020 in Ansible by MD
• 95,460 points
• 13,081 views
0 votes
1 answer

Format HDFS Namenode Error: Could not find or load main class ”-Djava.library.path=.home.hadoop.hadoop-3.2.1.lib.native”

Hi@fwood, According to your configuration, you didn't set ...READ MORE

Jun 12, 2020 in Big Data Hadoop by MD
• 95,460 points
• 16,427 views
0 votes
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Create Hive table using Dataframe getting error

Code: srcDF.write.mode(tblmode).saveAsTable(s"${dbName}.${tgtHiveTableName}") error: 21/06/04 22:11:45 ERROR pa.TrxNbrx: org.apache.spark.SparkException: ...READ MORE

Jun 5, 2021 in Apache Spark by Rajesh

edited Mar 4, 2025 • 983 views
0 votes
1 answer

Error: Cannot find module 'ejs'

Hello @kartik, Go up one level (above app.js) ...READ MORE

Sep 7, 2020 in Node-js by Niroj
• 82,800 points
• 12,637 views
0 votes
1 answer

Maven project using testng dependecy

Hello @zaraaq, First try to replace the scope ...READ MORE

Nov 25, 2020 in Java by Niroj
• 82,800 points
• 9,238 views
0 votes
1 answer

How do I get the HTML code of a web page in PHP?

Hello @kartik, If your PHP server allows url ...READ MORE

Oct 6, 2020 in PHP by Niroj
• 82,800 points
• 11,385 views
0 votes
0 answers

OI JANA TESTE LIVE

OI JANA TESTE LIVE READ MORE

Jun 5, 2021 in Apache Spark by Eufrasia

edited Mar 4, 2025 • 981 views
0 votes
0 answers

what parameters are required for a "windowed" operation such as reduceByKeyAndWindow?

a) Window length b) sliding interval c) Window Length ...READ MORE

Jun 4, 2021 in Apache Spark by anonymous

edited Mar 4, 2025 • 1,018 views
0 votes
1 answer

ImportError: No module named 'pyspark'

Hi@akhtar, By default pyspark in not present in ...READ MORE

May 6, 2020 in Apache Spark by MD
• 95,460 points
• 17,963 views
0 votes
1 answer

Error: jQuery requires a window with a document

Hello @kartik, Try this: // definition var $ = require('jquery')(require("jsdom").jsdom().parentWindow); // ...READ MORE

Oct 16, 2020 in Node-js by Niroj
• 82,800 points
• 10,901 views
0 votes
1 answer

Composer install error - requires ext_curl when it's actually enabled?

Hello, on php7 run for example: > sudo apt-get ...READ MORE

Apr 2, 2020 in PHP by Niroj
• 82,800 points
• 19,418 views
0 votes
1 answer

Python Error ""ValueError: could not broadcast input array from shape (4) into shape (1000)""

There are better ways of achieving the ...READ MORE

Jun 14, 2019 in Python by Faiza
• 32,089 views
0 votes
0 answers

Packer build amazon-ebs: sudo: puppet: command not found

My environment is: $ packer -version 1.7.2 While ...READ MORE

Jun 12, 2021 in Others by anonymous

edited Mar 4, 2025 • 625 views
+2 votes
1 answer

UiPath (RPA tool) free version installation

Hey @Abha UiPath provides Community Edition which ...READ MORE

Feb 27, 2019 in RPA by Anvi
• 14,150 points
• 20,517 views
0 votes
1 answer

How to “pretty” format JSON output in Ruby on Rails?

Hello @kartik, Use the pretty_generate() function, built into later versions ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,800 points
• 14,499 views
0 votes
1 answer

How can I get all the request headers in Django?

Hello @kartik,  You can use request.headers to access the HTTP ...READ MORE

Jun 30, 2020 in Python by Niroj
• 82,800 points
• 15,527 views
0 votes
1 answer

Error: The mbstring extension is missing. Please check your PHP configuration

Hii, Edit the php.ini file: change extension_dir = "ext" into extension_dir = "D:\php\ext" (please write ...READ MORE

Oct 30, 2020 in PHP by Niroj
• 82,800 points
• 10,255 views
0 votes
1 answer

How to copy directory and sub dirs's and files from source to remote using ansible playbook

Hey @Nishant, you can use the copy ...READ MORE

Apr 3, 2019 in Ansible by Kalgi
• 52,340 points
• 35,153 views
0 votes
1 answer

How To Pass GET Parameters To Laravel From With GET Method ?

Hello @kartik, The simplest way is just to ...READ MORE

Sep 24, 2020 in Laravel by Niroj
• 82,800 points
• 11,792 views
0 votes
1 answer

Error:Manager isn't accessible via model instances

for i in range READ MORE

Mar 28, 2021 in Python by anonymous

edited Mar 5, 2025 • 8,571 views
0 votes
0 answers

What’s the difference between SelectorsHub and chropath in selenium?

What’s the difference between SelectorsHub and chropath ...READ MORE

Jun 10, 2021 in Selenium by anonymous

edited Mar 4, 2025 • 619 views
0 votes
1 answer

How to find the version of an installed node.js/npm package?

Hello, npm view <package> version - returns the latest ...READ MORE

Nov 24, 2020 in Node-js by Niroj
• 82,800 points
• 9,142 views
0 votes
0 answers

What is the difference between partitioning and bucketing a table in Hive ?

Hi Team, I am new to Hive. I ...READ MORE

Dec 20, 2020 in Big Data Hadoop by akhtar
• 38,260 points
• 2,957 views
0 votes
2 answers

Resolving PKIX path building failed Error?

You need to add the certificate for App2 to ...READ MORE

Sep 24, 2018 in Java by Sushmita
• 6,920 points
• 45,396 views
0 votes
0 answers

Show Input Fields Values On a Button's onClick in React

I've made a simple resume portal. What ...READ MORE

Jun 7, 2021 in Web Development by soloLearner

edited Mar 4, 2025 • 744 views
0 votes
1 answer

How can I read the client's machine/computer name from the browser?

Hello @kartik, You can do it with IE ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
• 12,394 views
0 votes
1 answer

How to access a RowDataPacket object?

Hello @kartik, Turns out they are normal objects ...READ MORE

Oct 14, 2020 in Java-Script by Niroj
• 82,800 points
• 10,871 views
0 votes
1 answer

How to embed an External Page Without an Iframe?

Hello @kartik, You could load the external page ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
• 12,371 views
0 votes
1 answer

How to convert a ruby hash object to JSON?

Hello @kartik, You can also use JSON.generate: require 'json' JSON.generate({ foo: ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,800 points
• 14,376 views
0 votes
1 answer

How can I have Multiple Models in a single django ModelForm?

Hello @kartik, You can just show both forms ...READ MORE

Aug 13, 2020 in Python by Niroj
• 82,800 points
• 13,532 views
0 votes
1 answer

How to change options of <select> with jQuery?

Hello @kartik, You can remove the existing options ...READ MORE

Nov 25, 2020 in JQuery by Niroj
• 82,800 points
• 9,010 views
0 votes
0 answers

CAN I DO OSCP,CEH,SSCP,CISSP,CISA,CISM cerification after 12th science (PCM)?

Government has passed 12th boards ( mass ...READ MORE

Jun 7, 2021 in Cyber Security & Ethical Hacking by anonymous

edited Mar 4, 2025 • 670 views
0 votes
0 answers

Moving files based on file-name to designated folder with same name

Hi everyone, I am working on a AWS ...READ MORE

Jun 9, 2021 in Cloud Computing by anonymous

edited Mar 4, 2025 • 605 views
0 votes
0 answers
0 votes
0 answers

How to get 3 digits from number using dax

pathnum 456 836 294 M46 Using DAX based on pathnum retrieve 3 ...READ MORE

Jun 8, 2021 in Power BI by anonymous
• 390 points

edited Mar 4, 2025 • 625 views
0 votes
1 answer

How to upload files in Laravel directly into public folder?

Hello @kartik, You can create a new storage ...READ MORE

Sep 28, 2020 in Laravel by Niroj
• 82,800 points
• 11,510 views
0 votes
1 answer

How to show old data of dynamic checkbox in Laravel?

Hello @kartik, This will work: ...READ MORE

Sep 30, 2020 in Laravel by Niroj
• 82,800 points
• 11,378 views
0 votes
1 answer

How do I find an element that contains specific text in Selenium WebDriver (Python)?

Try the following: driver.find_elements_by_xpath("//*[contains(text(), 'My Button')]") I hope this ...READ MORE

Nov 27, 2020 in Selenium by Gitika
• 65,730 points
• 8,901 views
0 votes
0 answers

missing value where TRUE/FALSE needed

Hello, I have the following error: Error in while ...READ MORE

Jun 6, 2021 in Data Analytics by Anri

edited Mar 4, 2025 • 669 views