Latest questions in Edureka Community

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How SortBykey() operation works in Spark?

Hey, sortByKey() is a transformation. It returns an RDD sorted ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
5,835 views
0 votes
1 answer

How to rename a file using Python?

Hi, We can use rename() method to rename ...READ MORE

Aug 2, 2019 in Python by Shabnam
• 930 points
569 views
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1 answer

Choose a random starting word for building markov chain

Hey @Greg, this is possible. You can ...READ MORE

Aug 2, 2019 in Machine Learning by Bhavya
467 views
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1 answer

Numpy rounds very small number to zeros - Markov Chain(Python)

Use higher-precision floats, if available on your ...READ MORE

Aug 2, 2019 in Machine Learning by Harry
5,448 views
0 votes
1 answer

Calculate probabilities for Markov Chain - Python

You have to use the tuples from ...READ MORE

Aug 2, 2019 in Machine Learning by Ishaan
817 views
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0 answers

how to use linalg condition in python

Aug 2, 2019 in Python by teja
343 views
0 votes
1 answer

Markov chain using processing - Python

Try something like this @Gujjar HashMap<String, int> wordCount; int ...READ MORE

Aug 2, 2019 in Machine Learning by Ashish
647 views
0 votes
1 answer

Filter using dplyr

@Sagar, use filter followed by condition for ...READ MORE

Sep 10, 2019 in Data Analytics by kiran
723 views
0 votes
1 answer

What filter transformation in apache spark?

Hi, Filter() transformation in Apache Spark takes function ...READ MORE

Aug 2, 2019 in Apache Kafka by Gitika
• 65,910 points
1,248 views
0 votes
0 answers

Visualisation of Scheduling different Orchestrator in UiPath

I am looking for a visualisation for ...READ MORE

Aug 2, 2019 in RPA by anonymous
550 views
0 votes
1 answer

In how many modes Apache spark can run?

Hey, You can launch spark application in four ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
1,344 views
0 votes
1 answer

Sqoop: ERROR tool.BaseSqoopTool: Error parsing arguments

There are two mistakes in the command ...READ MORE

Aug 2, 2019 in Big Data Hadoop by Kunal
7,078 views
0 votes
1 answer

Error while configuring Hiera for puppet

In order for changes to your hiera configuration to ...READ MORE

Aug 2, 2019 in Puppet by Sirajul
• 59,230 points
1,214 views
0 votes
1 answer

R - Dummy variable creation

@Uday, dummy variables can be created using ...READ MORE

Nov 4, 2019 in Data Analytics by Cherukuri
• 33,030 points
625 views
0 votes
1 answer

Python error "TypeError: unsupported operand type(s) for -: 'list' and 'int'"

Hey, look at your code's second last ...READ MORE

Aug 2, 2019 in Machine Learning by Naman
26,882 views
0 votes
1 answer

How to launch spark application in cluster mode in Spark?

Hi, To launch spark application in cluster mode, ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
4,739 views
0 votes
1 answer

Configure a node to connect to a PuppetDB

Step 1: Configure SSL: PuppetDB requires client authentication ...READ MORE

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

How to create paired RDD using subString method in Spark?

Hi, If you have a file with id ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
2,352 views
0 votes
1 answer

Puppet: Error while trying to execute shell commands in Exec resource type

The default exec provider on *nix OSes ...READ MORE

Aug 2, 2019 in Puppet by Sirajul
• 59,230 points
2,783 views
0 votes
1 answer

Tibble vs Dataframe

Hi Shilpa, The differences are - 1. Tibble ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
• 33,030 points
8,546 views
0 votes
1 answer

what is Paired RDD and how to create paired RDD in Spark?

Hi, Paired RDD is a distributed collection of ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
9,077 views
0 votes
0 answers

Show null and not null value in fields in bar chart

My data consists of feedback from students ...READ MORE

Aug 2, 2019 in Data Analytics by radha
696 views
0 votes
1 answer

What is the logic to check if a number is prime or not in python?

n = int (input ('ENTER NUMBER TO ...READ MORE

Jul 16, 2020 in Python by amrut
• 240 points
845 views
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0 answers

How to handle large files using file handling in python?

I have used file handling for smaller ...READ MORE

Aug 2, 2019 in Python by Waseem
• 4,540 points
469 views
0 votes
1 answer

Puppet agent log shows error "could not back up"

If agents log errors like "could not ...READ MORE

Aug 2, 2019 in Puppet by Sirajul
• 59,230 points
1,414 views
0 votes
1 answer

Can't seem to read files: "Invalid container ID"

You will have to start pig first ...READ MORE

Aug 2, 2019 in Big Data Hadoop by TIna
1,074 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
+1 vote
1 answer

By default how many partitions are created in RDD in Apache spark?

Well, it depends on the block of ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
2,555 views
0 votes
1 answer

Join in RDD using keys

Suppose you have two dataset results( id, ...READ MORE

Aug 2, 2019 in Apache Spark by Trisha
7,968 views
0 votes
1 answer

Puppet: managing firewall rules

You can easily manage the firewall rules ...READ MORE

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

Scala: save filtered data row by row using saveAsTextFile

Try this code, it worked for me: val ...READ MORE

Aug 2, 2019 in Apache Spark by Karan
1,626 views
0 votes
1 answer

What are first class objects in Python?

First-class objects in a language are handled uniformly ...READ MORE

Aug 2, 2019 in Python by Arvind
• 3,040 points
2,877 views
0 votes
1 answer

How to remove a project from Pycharm?

Assuming that you have the project opened ...READ MORE

Aug 2, 2019 in Python by Arvind
• 3,040 points
14,684 views
0 votes
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

Puppet: err: getaddrinfo: The storage control blocks were destroyed.

This error occurs when the agent can't ...READ MORE

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

What is Hive on Spark?

Hi, Hive contains significant support for Apache Spark, ...READ MORE

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

Puppet : PuppetDB upgrade

PuppetDB can be upgraded independently of your master ...READ MORE

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

Calculate running total

Hi rubini, Use accumulate or reduce function to ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
428 views
0 votes
1 answer

Puppet: Upgrading a Puppet server

Upgrading the puppetserver package effectively upgrades Puppet Server.  The puppetserver package, in turn, ...READ MORE

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

Can anyone explain the sparse vector in Spark?

Hey, A sparse vector is used for storing ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
• 65,910 points
5,317 views
+1 vote
0 answers
0 votes
1 answer

Python error "TypeError: 'encoding' is an invalid keyword argument for this function"

Trying using the io module for this ...READ MORE

Aug 2, 2019 in Python by Vaishali

edited Oct 7, 2021 by Sarfaraz 14,085 views
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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

Time series analysis - Machine learning python

With machine learning and analysis, its always ...READ MORE

Aug 2, 2019 in Machine Learning by Vinod
2,673 views
+2 votes
2 answers

Can you give me the proper difference between java.util.Date vs java.sql.Date ?

As per Javadoc java.sql.Date is a thin wrapper around millisecond ...READ MORE

Aug 2, 2019 in Java by sampriti
• 1,120 points
14,791 views
0 votes
0 answers

How to define SparkConf?

Can anyone explain how to define SparkConf? READ MORE

Aug 1, 2019 in Apache Spark by Danish
327 views
0 votes
1 answer

Need help with automation test script using Cucumber and selenium!

Hi Unnati, you can use TestNG to ...READ MORE

Aug 1, 2019 in Selenium by Abha
• 28,140 points
753 views
0 votes
1 answer

How to write a feature file in Cucumber?

A Feature File is an entry point to the Cucumber tests. ...READ MORE

Nov 27, 2019 in Selenium by Sirajul
• 59,230 points
1,726 views
0 votes
1 answer

What is Behavior Driven Development (BDD) and what are its features?

Behavior-driven development (BDD) is an Agile software development methodology within which an application is ...READ MORE

Nov 27, 2019 in Selenium by Sirajul
• 59,230 points
1,101 views