Trending questions in Edureka Community

+7 votes
11 answers

Default parameters of XMS and XMX in JVM

You use these Java command-line parameters to ...READ MORE

Nov 13, 2018 in Java by Murali
 • 102,657 views
+14 votes
18 answers

How can I convert String to JSON object in Java?

Hi @Daisy You can use Google gson  for more ...READ MORE

Feb 7 in Java by Suresh
 • 700 points • 78,344 views
+1 vote
11 answers

How can I run a ‘docker exec’ command inside a docker container?

I guess there’s no docker runtime in ...READ MORE

May 14 in Docker by Frank
 • 60,835 views
+9 votes
14 answers

How to automate gmail login process using selenium webdriver in java?

Check the below code: Here is the working ...READ MORE

Apr 24, 2018 in Selenium by Vardy
 • 2,250 points • 59,770 views
+2 votes
10 answers

How to import a jar file in Eclipse?

Go to your project right click and ...READ MORE

Dec 10, 2018 in Java by Hola77
 • 52,190 views
+2 votes
12 answers

“A Non-static method cannot be referenced from a static context” error

this method must be static so that it will exist even though the ...READ MORE

Jun 11 in Java by Neha
 • 330 points • 47,187 views
0 votes
12 answers

How can I delete all the messages from a Kafka topic?

Add one line to server.properties file under ...READ MORE

Nov 27, 2018 in Apache Kafka by Lavanya
 • 32,574 views
+1 vote
11 answers

Python AWS Boto3: How do i read files from S3 Bucket?

All of the answers are kind of ...READ MORE

Mar 30 in AWS by awsdbaexpert
 • 200 points • 34,389 views
+9 votes
11 answers

Unable to resolve this error: "javac is not recognized as an internal or external command"

Check your javac path on Windows using Windows Explorer C:\Program Files\Java\jdk1.7.0_02\bin and ...READ MORE

May 23, 2018 in Java by Rishabh
 • 3,540 points • 31,960 views
0 votes
3 answers

Git push vs git push origin

In simple words git push command updates ...READ MORE

Apr 23 in Git & GitHub by Hiran
 • 26,247 views
+5 votes
11 answers

Concatenate columns in apache spark dataframe

its late but this how you can ...READ MORE

Mar 21 in Apache Spark by anonymous
 • 28,593 views
+2 votes
6 answers

What exactly is the function of random.seed() in python?

The seed method is used to initialize the ...READ MORE

Oct 29, 2018 in Python by Rahul
 • 20,083 views
+1 vote
11 answers

Communications link failure: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

you mysql server instance is not running ...READ MORE

Jun 15 in Java by Encrypter Manyange
 • 21,136 views
+3 votes
23 answers

What is an “Edge Location” in AWS?

Let us start with brief explanation to ...READ MORE

Apr 3, 2018 in Cloud Computing by brat_1
 • 7,080 points • 22,345 views
+2 votes
11 answers

How to print array/ list without brackets in python?

print(*names, sep = ', ') This is what ...READ MORE

Dec 10, 2018 in Python by Sudo
 • 22,898 views
+1 vote
10 answers

Set environment variables in Jenkins

You can use groovy job file: description('') steps { ...READ MORE

Dec 10, 2018 in Jenkins by Galelio
 • 22,564 views
0 votes
11 answers

How to create new column with function in Spark Dataframe?

val coder: (Int => String) = v ...READ MORE

Apr 4 in Apache Spark by anonymous
edited Apr 5 by Omkar • 20,838 views
+1 vote
11 answers

How to send HTTP POST requests on Java?

How to invoke Thread dump analysis API? Invoking ...READ MORE

Jun 16 in Java by Jim
 • 810 points
reshown Jun 17 by Vardhan • 18,233 views
+2 votes
10 answers

Unable to execute jar- file: “no main manifest attribute”

add a jar/manifest/attributes setting like this: apply plugin: ...READ MORE

Nov 27, 2018 in Java by krishti
 • 21,845 views
+1 vote
11 answers

How to run multiple commands in docker at once?

Try this: docker run image bash -c "cd ...READ MORE

Apr 17 in Docker by anonymous
edited Apr 17 by Kalgi • 17,021 views
0 votes
1 answer

Filtering a row in Spark DataFrame based on matching values from a list

Use the function as following: var notFollowingList=List(9.8,7,6,3, ...READ MORE

Jun 5, 2018 in Apache Spark by Shubham
 • 13,290 points • 24,997 views
+1 vote
2 answers

Getting this error: “Element is not clickable at point”

There are 3 possible solutions for this: 1. ...READ MORE

Apr 20, 2018 in Selenium by king_kenny
 • 3,650 points • 20,227 views
0 votes
6 answers

How to replace null values in Spark DataFrame?

Hi i hope this will help for ...READ MORE

Feb 5 in Apache Spark by Srinivasreddy
 • 140 points • 18,784 views
0 votes
10 answers

What is the correct way to add external Jars to IntelliJ IDEA Project?

The best way is to add the ...READ MORE

Dec 10, 2018 in Java by Nabarupa
 • 18,139 views
+1 vote
3 answers

What is the command used to register gecko driver?

System.setProperty("webdriver.gecko.driver", "C:\\gecko ...READ MORE

Jan 9 in Selenium by Frankie
 • 9,810 points • 11,886 views
0 votes
2 answers

How to get HTML Source of WebElement in Selenium WebDriver using Python?

You can read innerHTML attribute to get source of ...READ MORE

Jun 13, 2018 in Selenium by Samarpit
 • 5,130 points • 13,986 views
0 votes
9 answers

Creating an empty data.frame with only column names - R

Will the below code work to create ...READ MORE

Aug 1 in Data Analytics by preeti
 • 12,650 views
+1 vote
10 answers

How does java.net.SocketException: Connection reset happen ?

You can use wireshark to view the ...READ MORE

Dec 7, 2018 in Java by tushh
 • 16,409 views
0 votes
11 answers

“pip install unroll”: “python setup.py egg_info” failed with error code 1

rm -rf node_modules READ MORE

Jun 27 in Python by anonymous
 • 9,542 views
+2 votes
4 answers

sendKeys() not working in Selenium Webdriver

this work for me you should update your ...READ MORE

Aug 27 in Selenium by Afif
 • 12,344 views
0 votes
1 answer

Does Google cloud platform (GCP) offer IaaS ? Or just PaaS?

GCP provides IaaS as well, although it ...READ MORE

1 day ago in GCP by Sirajul
 • 25,700 points • 15 views
0 votes
1 answer

How do I create a Google Cloud Platform (GCP) account?

In order to access the services provided ...READ MORE

1 day ago in GCP by Sirajul
 • 25,700 points • 14 views
0 votes
1 answer

Create a Windows VM instance using Google Compute Engine (GCE).

To create a Windows virtual machine instance ...READ MORE

1 day ago in GCP by Sirajul
 • 25,700 points • 9 views
0 votes
1 answer

How do I create a Virtual Machine on GCP?

To create a VM instance: It is important you ...READ MORE

1 day ago in GCP by Sirajul
 • 25,700 points • 12 views
0 votes
1 answer

What services does GCP offer?

Google offers a wide range of Services. ...READ MORE

1 day ago in GCP by Sirajul
 • 25,700 points • 8 views
0 votes
1 answer

Why should I choose GCP over any other cloud platforms?

There are various Cloud service providers in ...READ MORE

1 day ago in GCP by Sirajul
 • 25,700 points • 10 views
0 votes
1 answer

Error While Installing Tensorflow

To install tensorflow you need to have ...READ MORE

1 day ago in Machine Learning by Sharan
 • 11 views
0 votes
1 answer

Difference between label and popup in addmarkers() in leaflet

Hey, its quite simple. Label in leaflet displays ...READ MORE

1 day ago in Data Analytics by rajitha
 • 7 views
+2 votes
1 answer

Can a fresher do the certification on AWS Certified Solution architect - Associate?

Absolutely! Companies take freshers in Cloud domain ...READ MORE

4 days ago in Career Counselling by Vardhan
 • 12,530 points • 30 views
0 votes
0 answers

How to create clusers in leaflet?

Hi All, Im trying to show groups ...READ MORE

1 day ago in Data Analytics by ch
 • 230 points • 5 views
0 votes
1 answer

Download file from website using web scraping

Hi, Follow the below steps: 1. Use rvest package ...READ MORE

1 day ago in Data Analytics by rishabh
 • 10 views
0 votes
2 answers

How to find the database daily refresh time / sync up time

I use this code to get the ...READ MORE

4 days ago in Big Data Hadoop by Raman
 • 21 views
0 votes
0 answers

Add multiple maps over each other

How to multiple layers of maps over ...READ MORE

2 days ago in Data Analytics by anonymous
 • 25,900 points • 9 views
0 votes
1 answer

Puppet: Error when running "sudo /opt/puppetlabs/bin/puppetserver ca list --all" command

This might possibly be because of mismatch ...READ MORE

3 days ago in Puppet by Sirajul
 • 25,700 points • 10 views
0 votes
1 answer

Error: Puppet agent lock file exist - skipping (/var/lib/puppet/state/agent_catalog_run.lock exists

This usually happens when you have already ...READ MORE

3 days ago in Puppet by Sirajul
 • 25,700 points • 8 views
0 votes
1 answer

Cannot install Puppet agent on Ubuntu 18.04

This might be because your packages might ...READ MORE

3 days ago in Puppet by Sirajul
 • 25,700 points • 9 views
0 votes
1 answer

Error: Puppet not found, when trying to run puppet config command.

This is because you have not added ...READ MORE

3 days ago in Puppet by Sirajul
 • 25,700 points • 7 views
0 votes
0 answers

map data not yet available

This is the map that im trying ...READ MORE

2 days ago in Data Analytics by Cherukuri
 • 25,900 points • 4 views
0 votes
1 answer

bash: sbin/hadoop: No such file or directory

The hadoop command is not present in ...READ MORE

3 days ago in Big Data Hadoop by Omkar
 • 67,480 points • 15 views
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