Trending questions in Edureka Community

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Serving static files on heroku

Try using Amazon s3 for storing static ...READ MORE

Jun 13, 2019 in Python by SDeb
• 13,300 points
2,942 views
+1 vote
2 answers

Error: com/eng/mr/WordCountDriver : Unsupported major.minor version 52.0

The reason why you get this error ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Venkita
• 240 points
550 views
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1 answer

Puppet: puppet agent --configprint server doesn't return a valid DNS name.

Agents trust the master only if they ...READ MORE

Aug 2, 2019 in Puppet by Sirajul
• 59,230 points
781 views
0 votes
1 answer

How to start Firefox browser on Mac using Selenium Webdriver?

Hey Tom, you can use following commands ...READ MORE

Jul 18, 2019 in Selenium by Abha
• 28,140 points
1,419 views
0 votes
1 answer

Puppet: Can i automatically generate puppet manifests from a puppet server?

Yes, here is how you can do ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
• 59,230 points
563 views
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1 answer

How does mixing Swarm and Kubernetes work in the same cluster?

Yes you could use them together. When you ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points

edited Jul 6, 2019 by Sirajul 1,983 views
+2 votes
1 answer

How to check the state of a user given instance id using filters

Seems like the "ec2_con_re.instances" you are using ...READ MORE

Aug 1, 2019 in Python by Aishwarya
757 views
0 votes
1 answer

what is configuration management and why do we need one?

Configuration management is all about bringing consistency ...READ MORE

Jul 29, 2019 in Puppet by Sirajul
• 59,230 points
951 views
0 votes
0 answers

Select input dynamically in r shiny

The datset im using will be updated ...READ MORE

Aug 14, 2019 in Data Analytics by ruchi
320 views
0 votes
1 answer

Instance type required to deploy 4 node cluster of hadoop in aws

Hadoop cluster follows a master-slave concept. The ...READ MORE

Aug 8, 2019 in AWS by Disha
506 views
0 votes
1 answer

How to manage schedules in UiPath Orchestrator?

Hello Samuel, you can manage Schedules by ...READ MORE

Apr 8, 2019 in RPA by Pratibha
• 3,690 points
5,782 views
0 votes
1 answer

Scala: Loading a csv file

Refer to the below command: val input_df = ...READ MORE

Jul 31, 2019 in Apache Spark by Emma
859 views
0 votes
1 answer

Web scraping problem

This is because many websites do not ...READ MORE

Jul 31, 2019 in Python by Wajiha
• 1,950 points
854 views
0 votes
1 answer

Hive- unable to load data into table

The command you are typing is incorrect. ...READ MORE

Jul 24, 2019 in Big Data Hadoop by Firoz
1,152 views
0 votes
1 answer

Can a table be renamed in hive?

Hey, Yes, you can rename a table in ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
• 65,910 points
2,399 views
0 votes
1 answer

How to access the elements of a dictionary using index ?

Suppose you have a dictionary num = ...READ MORE

Jul 4, 2019 in Python by Arvind
• 3,040 points
2,024 views
0 votes
1 answer

How can i know the time as to when exactly did a node join puppet?

Puppet does not itself keep any timestamp ...READ MORE

Aug 8, 2019 in Puppet by Sirajul
• 59,230 points
513 views
0 votes
1 answer

How to disable networking stack for a docker container?

If you want to completely disable the ...READ MORE

Jul 4, 2019 in Docker by Sirajul
• 59,230 points
2,013 views
0 votes
1 answer

How to send information greater than buffer size from server to the client?

complete_info='' while True: msg = ...READ MORE

Jun 27, 2019 in Python by Wajiha
• 1,950 points
2,317 views
0 votes
1 answer

SciPy Create 2D Polygon Mask

You can try the following code: import numpy from ...READ MORE

Apr 22, 2019 in Python by SDeb
• 13,300 points
5,175 views
0 votes
1 answer

How to start spark history server?

Hi, You can use this command to start ...READ MORE

Aug 6, 2019 in Apache Spark by Gitika
• 65,910 points
580 views
0 votes
1 answer

Error while Loading data to Hive.

Your data node is not running that ...READ MORE

Jul 29, 2019 in Big Data Hadoop by Quill
926 views
0 votes
1 answer

What is puppet Kick?

By default Puppet Agent request to Puppet ...READ MORE

Jul 30, 2019 in Puppet by Sirajul
• 59,230 points
891 views
0 votes
0 answers
0 votes
1 answer

How can I change my string into date directly?

Hi Priya, You check this code, import java.util.Date; import java.text.DateFormat; import ...READ MORE

Aug 10, 2019 in Java by sampriti
• 1,120 points
444 views
0 votes
1 answer

Is a specific timezone using DST right now?

You can try the following; from pytz import ...READ MORE

Aug 9, 2019 in Python by SDeb
• 13,300 points
459 views
0 votes
1 answer

Create an animation from images in R

Create a vector with all frames required ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
• 33,030 points
557 views
0 votes
1 answer

Can I use multiple containers on a jenkins declarative pipeline?

Yes of course you can!! You try ...READ MORE

Apr 12, 2019 in Jenkins by Vedant
5,585 views
0 votes
0 answers

R Shiny - How to add hierarchial widgets from previous selection without buttons?

How to add hierarchial widgets from previous ...READ MORE

Aug 14, 2019 in Data Analytics by payal
298 views
0 votes
1 answer

How to find the number of null contain in dataframe?

Hey there! You can use the select method of the ...READ MORE

May 3, 2019 in Apache Spark by Omkar
• 69,210 points
4,685 views
0 votes
1 answer

Puppet: How can i connect the puppet server to an external node classifier?

You need to configure two settings to ...READ MORE

Aug 2, 2019 in Puppet by Sirajul
• 59,230 points
751 views
0 votes
0 answers

How to read data in a bubble sort algorithm in python?

I am not able to read the ...READ MORE

Jul 31, 2019 in Python by Waseem
• 4,540 points
879 views
0 votes
1 answer

Create a Markov Model that can generate text simulations by studying Donald Trump speech data set.

The logic here is simple. Apply Markov Property ...READ MORE

Aug 2, 2019 in Machine Learning by Zaid
781 views
0 votes
1 answer

What is use of Babel in Node.js ?

Node.js is a runtime environment  which let us ...READ MORE

Jul 2, 2019 in Others by ArchanaNagur
• 2,360 points
2,091 views
0 votes
1 answer
0 votes
1 answer

Hadoop: Error: Could not find or load main class org.apache.hadoop.util.VersionInfo

This seems like a path issue. Add the ...READ MORE

Nov 16, 2018 in Big Data Hadoop by Omkar
• 69,210 points
11,936 views
0 votes
1 answer

How to find exponent of a number in Python?

Yes you can do it using the ...READ MORE

Jul 2, 2019 in Python by Arvind
• 3,040 points
2,074 views
+1 vote
1 answer

Need help about fresher Devops

Hey @Bino, most of the DevOps engineers ...READ MORE

Aug 9, 2019 in DevOps & Agile by Kalgi
• 52,360 points
407 views
0 votes
1 answer

How to automate Flash using Selenium Webdriver?

Hey Gaurav, to automate Flash using Selenium ...READ MORE

May 23, 2019 in Selenium by Gaurav
3,822 views
0 votes
0 answers

How to highlight one column in a bar/histogram chart?

How to highlight one column in a ...READ MORE

Aug 7, 2019 in Data Analytics by lohith
557 views
0 votes
1 answer

How to revert changes to a service's configuration?

In order to roll back the service ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
1,810 views
0 votes
1 answer

What is polyglot in spark?

Hi, Spark provides a high-level API in Java, ...READ MORE

Jul 1, 2019 in Apache Spark by Gitika
• 65,910 points
2,111 views
0 votes
1 answer

failed to start the Namenode format in hadoop generation 2

Hi, You can check this out: 1. Delete all ...READ MORE

Jul 2, 2019 in Big Data Hadoop by Ria

edited Jul 2, 2019 by Gitika 2,081 views
0 votes
1 answer

Ansible playbook for moving files from one node to another remote node

The best way to do this is: copy ...READ MORE

Jan 16, 2019 in Ansible by Nigya

edited Jan 18, 2019 by Vardhan 9,283 views
0 votes
1 answer

Puppet: Error when trying to use many manifests

Your kp::testfile is a defined type, not ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
• 59,230 points
519 views
0 votes
0 answers

Add new calculated column into dataframe using dplyr functions

How to add new calculated column into ...READ MORE

Aug 1, 2019 in Data Analytics by anonymous
845 views
0 votes
1 answer

How do I specify hexadecimal and octal integers in Python?

To represent an octal integer, precede the octal ...READ MORE

Jul 30, 2019 in Python by Meg
892 views
0 votes
1 answer

Getting error: unhandled inspector error: {"code":-32000,"message":"Cannot navigate to invalid URL"}

Hey, @sradha, The error you are getting is ...READ MORE

Dec 31, 2018 in Selenium by Shuvodip
9,967 views
0 votes
1 answer

Return rows with not null values in Tableau

Hi Nithin, You can add a calculated field ...READ MORE

Apr 10, 2019 in Tableau by Cherukuri
• 33,030 points
5,650 views