Most answered questions in Edureka Community

0 votes
1 answer

Provide selection of parameter in rmarkdown

Use choices attribute to provide a list ...READ MORE

Jul 31, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 426 views
0 votes
1 answer

PySpark not starting: No active sparkcontext

Seems like Spark hadoop daemons are not ...READ MORE

Jul 30, 2019 in Apache Spark by Jishan
 • 4,182 views
0 votes
1 answer

FAILEDError: java.io.IOException: Type mismatch in key from map

This error is thrown when the parameters ...READ MORE

Jul 30, 2019 in Big Data Hadoop by Rishi
 • 1,520 views
0 votes
1 answer

which maven dependency has to be added for MongoPreparedStatement in java 1.8

You need to define the dependency of a ...READ MORE

Jul 30, 2019 in Java by Sirajul
 • 59,230 points • 1,225 views
0 votes
1 answer

Doubt in numpy.vstack

The vstack function in numpy will stack ...READ MORE

Jul 30, 2019 in Python by Esha
 • 855 views
0 votes
1 answer

rmarkdown Parameters declaration and using parameters

Create parameters using params attribute inside Rmarkdown ...READ MORE

Jul 31, 2019 in Data Analytics by anonymous
 • 860 views
0 votes
1 answer

Does puppet help when all my servers are one of a kind?

Indeed, Puppet can help. All servers are in ...READ MORE

Jul 30, 2019 in Puppet by Sirajul
 • 59,230 points • 571 views
0 votes
1 answer

Converting CSV files to Parquet

--Create Hive external Table for existing data CREATE ...READ MORE

Jul 30, 2019 in Big Data Hadoop by Yogi
 • 6,918 views
0 votes
1 answer

Unable to use ml library in pyspark

The error message you have shared with ...READ MORE

Jul 30, 2019 in Apache Spark by Karan
 • 2,525 views
0 votes
1 answer

Error: object 'params' not found.

@pragyat, Remove " " around data value in ...READ MORE

Nov 4, 2019 in Data Analytics by priya
 • 2,740 views
0 votes
1 answer

Puppet: Administering Sudo previlages.

Now that you have installed saz-sudo module ...READ MORE

Jul 30, 2019 in Puppet by Sirajul
 • 59,230 points • 1,477 views
0 votes
1 answer

Is it better to directly remove the container or do I need to stop it first?

Its always better to stop the container ...READ MORE

Jul 30, 2019 in Docker by Vismaya
 • 1,727 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 • 911 views
0 votes
1 answer

Scala: org.apache.poi.openxml4j.exceptions.InvalidFormatException: Your InputStream was neither an OLE2 stream, nor an OOXML stream

Try executing the below code, def readExcel(file: String): ...READ MORE

Jul 30, 2019 in Apache Spark by Raman
 • 1,477 views
0 votes
1 answer

How can Puppet agent nodes and Puppet masters communicate with each other?

Puppet agent nodes and Puppet masters communicate ...READ MORE

Jul 30, 2019 in Puppet by Sirajul
 • 59,230 points • 1,824 views
0 votes
1 answer

parameterized reports using RMarkdown

Add params attribute like below specifying dataset ...READ MORE

Nov 4, 2019 in Data Analytics by kamal
 • 857 views
0 votes
1 answer

How far do Docker containers scale? Are there any requirements for the same?

Large web deployments like Google and Twitter ...READ MORE

Jul 30, 2019 in Docker by Jerry
 • 1,169 views
0 votes
1 answer

display the output r code as title in R script Rmarkdown script to html page

Use the file input from parameter and ...READ MORE

Jul 31, 2019 in Data Analytics by anonymous
 • 1,201 views
0 votes
1 answer

How is Docker different from other containerization methods?

Docker containers are very easy to deploy ...READ MORE

Jul 30, 2019 in Docker by Yamini
 • 1,647 views
0 votes
1 answer

Will I lose my data, when a docker container exists?

No, you won’t lose any data when ...READ MORE

Jul 30, 2019 in Docker by Kavya
 • 7,372 views
0 votes
1 answer

Unable to run the java- spark standalone program

Though there is nothing wrong with the ...READ MORE

Jul 30, 2019 in Apache Spark by Lohit
 • 1,125 views
0 votes
1 answer

Get command usage help in docker

The following command is very useful as ...READ MORE

Jul 30, 2019 in Docker by Imran
 • 419 views
0 votes
1 answer

Display only output and caption with any warnings or code in Rmarkdown

Use echo=FALSE and fig.cap = "caption in ...READ MORE

Jul 31, 2019 in Data Analytics by anonymous
 • 462 views
0 votes
1 answer

java.lang.IllegalArgumentException: Unable to instantiate SparkSession with Hive support because Hive classes are not found.

 Try using the below build.sbt, code.scala and command ...READ MORE

Jul 30, 2019 in Big Data Hadoop by Kishan
 • 7,367 views
0 votes
1 answer

Changes to compose when shifting docker to production

These are the following changes you need ...READ MORE

Jul 30, 2019 in Docker by Vismaya
 • 390 views
0 votes
1 answer

What is "java.sql.SQLException: org.apache.thrift.transport.TTransportException" in Hive?

This particular exception is related to Hive logs. ...READ MORE

Jul 30, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 6,611 views
0 votes
1 answer

What is the difference between S3n, S3a, and S3?

Your doubt is quite an interesting one. Yes, ...READ MORE

Jul 30, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 10,412 views
0 votes
1 answer

where is drop down menu for the google cloud platform

It is important that you are signed ...READ MORE

Sep 20, 2019 in GCP by Sirajul
 • 59,230 points • 1,236 views
0 votes
1 answer

Manually import module - python

I think the following should work: foo.py: from bar ...READ MORE

Jul 30, 2019 in Python by Jinu
 • 496 views
0 votes
1 answer

How do I find current module name in python?

A module can find out its own ...READ MORE

Jul 30, 2019 in Python by Simran
 • 11,442 views
0 votes
1 answer

Is there a scanf() or sscanf() equivalent in python?

There is nothing as such for python. For ...READ MORE

Jul 30, 2019 in Python by Greg
 • 6,846 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
 • 901 views
0 votes
1 answer

Packages to send mails from R

There are different packages available to send ...READ MORE

Jul 30, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 396 views
0 votes
1 answer

Rearrange columns while fetching from datasource

You cannot reorder the columns like below. suppose ...READ MORE

Nov 4, 2019 in Data Analytics by rajeev
 • 401 views
0 votes
1 answer

How to choose number of Executors and Executor cores?

Refer to the below when you are ...READ MORE

Jul 29, 2019 in Big Data Hadoop by Veer
 • 3,519 views
0 votes
1 answer

Date formats : how to cast string to date?

Try this, it should work: > from pyspark.sql.functions ...READ MORE

Jul 29, 2019 in Apache Spark by Niall
 • 5,744 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
 • 956 views
0 votes
1 answer

Can anyone help me with Zomato login test script using Python Selenium Webdriver?

Hi Laxmikant, if you want to write ...READ MORE

Jul 29, 2019 in Selenium by Anvi
 • 14,150 points • 1,884 views
0 votes
1 answer

How to fit multiple assignment statements into one statement in Scala?

Hi, You can assign a Tuple to a ...READ MORE

Jul 29, 2019 in Apache Spark by Gitika
 • 65,910 points • 683 views
0 votes
1 answer

How Do You Run A Python Script In Blender?

Blender is a free and open-source 3D ...READ MORE

Jul 30, 2019 in Python by Mohammad
 • 3,230 points • 8,136 views
0 votes
1 answer

How to perform double click using mouse actions in Selenium with Python?

Hi harsh, you can use ActionChains() class ...READ MORE

Jul 29, 2019 in Selenium by Abha
 • 28,140 points • 1,999 views
0 votes
1 answer

Which methods which can be used to handle pop-up and alerts in Python Selenium Webdriver?

Hey Kishor, Python Selenium webdriver provides following ...READ MORE

Jul 29, 2019 in Selenium by Abha
 • 28,140 points • 767 views
0 votes
1 answer

How a prompt alert can be handled in Python Selenium Webdriver?

Hey Duran, you can handle a prompt ...READ MORE

Jul 30, 2019 in Selenium by Abha
 • 28,140 points • 1,325 views
0 votes
1 answer

Killing oozie Jobs by userid

Suppose you want to kill the jobs ...READ MORE

Jul 29, 2019 in Big Data Hadoop by Esha
 • 1,644 views
0 votes
1 answer

How to search for a Key in a Scala Map?

Hey, The Map.contains() method will tell you if ...READ MORE

Jul 29, 2019 in Apache Spark by Gitika
 • 65,910 points • 879 views
0 votes
1 answer

List all dataframes in R session.

Try this. for(x in ls()){   if("data.frame" %in% ...READ MORE

Nov 4, 2019 in Data Analytics by anonymous
 • 33,030 points • 3,051 views
0 votes
1 answer

How to concatenate Maps in Scala?

Hey, You can concatenate/join two Maps in more than ...READ MORE

Jul 29, 2019 in Apache Spark by Gitika
 • 65,910 points
edited Jul 29, 2019 by Gitika • 2,488 views
0 votes
1 answer

How to refresh a webpage using python selenium webdriver?

Hey Shaurya, the code snippet below shows ...READ MORE

Jul 29, 2019 in Selenium by Anvi
 • 14,150 points • 20,347 views
0 votes
1 answer

How to declare a Empty Scala Map?

Hi, You can either declare an empty Scala ...READ MORE

Jul 29, 2019 in Apache Spark by Gitika
 • 65,910 points
edited Jul 29, 2019 by Gitika • 1,891 views
0 votes
1 answer

ERROR tool.ImportTool: Encountered IOException running import job: java.io.IOException: Cannot run program "hive": error=2, No such file or directory

The tables look fine. Follow these steps ...READ MORE

Jul 29, 2019 in Big Data Hadoop by Kiran
 • 1,770 views
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