Latest questions in Edureka Community

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Hadoop: ERROR1070: Could not resolve count using imports: [, java.lang., org.apache.pig.builtin., org.apache.pig.impl.builtin.]

Hi, I can see the error arose because the count ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 2,328 views
0 votes
1 answer

Hadoop: Error: Exception in thread "main" java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

Hey, The error seems you have not add ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,636 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
 • 562 views
0 votes
1 answer

Hadoop:Error: Network is unreachable; Host Details : local host is: "localhost/127.0.0.1"; destination host is: "boss":32939;

Hey,  I guess there is no IP address ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,284 views
0 votes
1 answer

R - any_vars and all_vars() functions

Hi, Chaitra The main difference between them is ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 2,270 views
+1 vote
1 answer

difference between plyr and dplyr

@Kunal, Both are similar package used for ...READ MORE

Oct 29, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 5,428 views
0 votes
1 answer

Puppet: How can i check for syntax errors on my puppet code? Is there any tool to do this?

At the lowest level of checking, you ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 7,900 views
0 votes
1 answer

2 dataframes in single dplyr pipeline

You can use 2 different data frames ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,240 views
0 votes
1 answer

Add a index/Row number column to dataframe

Hi, Bharath. You can add index using seq(1:nrow(data frame)). Example ...READ MORE

Sep 10, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 4,426 views
0 votes
1 answer

How to add ggplot over each other?

Do you mean to add multiple geom ...READ MORE

Nov 3, 2019 in Data Analytics by anonymous
 • 33,030 points • 443 views
0 votes
0 answers

mutate new column using condition

I need to split the data into ...READ MORE

Aug 7, 2019 in Data Analytics by robin
 • 458 views
0 votes
1 answer

Hide code while running markdown html document

Assign echo and warning as false to display ...READ MORE

Sep 10, 2019 in Data Analytics by kamal
 • 1,279 views
0 votes
1 answer

Hadoop: Error: Hadoop Master cannot start the Slave with different user (or) Slave with different user failed to start by Hadoop Master node.

Hi, You can use these commands to get ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,498 views
0 votes
1 answer

Puppet v/s Ansible

Here are few major contrasts among Puppet ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 770 views
0 votes
1 answer

Error: /Stage[main]/Abrt/File[/etc/abrt/abrt.conf]: Could not evaluate: Could not retrieve information from environment development source(s)

You cannot implicitly convert an array to ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 449 views
0 votes
1 answer

Hadoop: Error: slave: bash: line 0: cd: /opt/hadoop-1.1.0/libexec/..: No such file or directory

Hi,   In this case, it is searching ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,123 views
0 votes
1 answer

how can you temporarily turn off the jenkins security when the adminstrators have locked out of the admin consoles?

The JENKINS_HOME organizer contains a document named ...READ MORE

Aug 7, 2019 in Jenkins by Sirajul
 • 59,230 points • 2,084 views
0 votes
1 answer

Error: /Stage[main]/Mysql-server/Service[mysql-server]: Could not evaluate: Could not find init script or upstart conf file for 'mysql-server'

The error means that puppet was not ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 475 views
0 votes
1 answer

How to create a dictionary whose elements are lists?

A simple way to do this is ...READ MORE

Aug 7, 2019 in Python by Arvind
 • 3,040 points • 870 views
0 votes
1 answer

Is it possible to read a text file into a string variable and then scrap the newlines?

This can be done easily in Python. ...READ MORE

Aug 7, 2019 in Python by Arvind
 • 3,040 points • 1,562 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 • 532 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 • 564 views
0 votes
1 answer

converting string into datetime

You can make use of asctime() method ...READ MORE

Aug 7, 2019 in Python by Wajiha
 • 1,950 points • 409 views
0 votes
0 answers

ava.sql.SQLException: Error while processing statement:

Hi everyone, I am facing one issue ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Hemanth
 • 250 points
edited Aug 7, 2019 by Omkar • 1,841 views
+1 vote
1 answer

What are some attributes of a good test framework when selecting one? How to choose one among so many?

There are way too many and it's ...READ MORE

Aug 7, 2019 in Software Testing by Archana
 • 5,640 points • 4,704 views
+1 vote
1 answer

Is automation testing black-box testing or white-box testing?

You might have got confused because of ...READ MORE

Aug 7, 2019 in Software Testing by Archana
 • 5,640 points
edited Jul 19, 2023 by Khan Sarfaraz • 6,338 views
0 votes
0 answers

Can we create a empty dataframe in python?

I want to create an empty dataframe ...READ MORE

Aug 7, 2019 in Python by Waseem
 • 4,540 points • 385 views
0 votes
0 answers

Can we create a python function to sort a list?

I need the logic apart from the ...READ MORE

Aug 7, 2019 in Python by Waseem
 • 4,540 points • 362 views
0 votes
1 answer

Puppet: How do i disable the default pull configuration so i can only push from my Puppet server when required?

In order to stop the Puppet service,you ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 1,362 views
0 votes
1 answer

Puppet: Error: Cannot set modulepath settings in puppet.conf

These extra module paths are specific to ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 1,894 views
0 votes
1 answer

Would i be able to utilize same module that i have in puppet master in my puppet agent?

Yes, you can do this. The issue that ...READ MORE

Aug 7, 2019 in Puppet by Sirajul
 • 59,230 points • 376 views
0 votes
1 answer

Edit image in R

There are different packages in r to edit the ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,368 views
0 votes
1 answer

How do I make a matrix from a list of vectors in R?

Suppose l1 and l2 are my vectors, li = ...READ MORE

Aug 7, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 906 views
0 votes
1 answer

How to save datasets in R as external file?

One way is to save the data ...READ MORE

Sep 10, 2019 in Data Analytics by kamal
 • 991 views
0 votes
1 answer

use of tilde in R

One use of ~ is to mention ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,003 views
0 votes
1 answer

Summarize with a condition

You can provide condition to summarize using ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,030 points • 3,851 views
0 votes
1 answer

Can mechanical engineer learn machine learning?

The era of machines and robots have ...READ MORE

Aug 8, 2019 in Career Counselling by Kalgi
 • 52,360 points • 8,569 views
0 votes
1 answer

Extract text from image in R

Try below code to fetch the image ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,030 points • 3,226 views
0 votes
0 answers

Add an image in plot

I created plots using ggplot, i want ...READ MORE

Aug 7, 2019 in Data Analytics by anitha
 • 312 views
0 votes
1 answer

Overlap images to create a new picture

Use image_flatten() or image_mosaic() to overlap image over ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,030 points • 728 views
0 votes
1 answer

Which cloud provider is the most secure cloud platform?

Today's era opt digitalization to ensure precise authentication of the ...READ MORE

Aug 7, 2019 in AWS by Archana
 • 240 points • 630 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 • 559 views
0 votes
1 answer

resize the image in R

Hi,  You can read the image using Magick ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,030 points • 9,535 views
+1 vote
1 answer

How to read a data from text file in Spark?

Hey, You can try this: from pyspark import SparkContext SparkContext.stop(sc) sc ...READ MORE

Aug 6, 2019 in Apache Spark by Gitika
 • 65,910 points • 4,737 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 • 584 views
0 votes
1 answer

How to count words in notepad File using Selenium

To perform character count. String fPath="D:/MyTextFile.txt"; int fileCharactersCount=Files.readAllBytes(new File(fPath).toPath() ...READ MORE

Aug 7, 2019 in Selenium by neerajv
 • 170 points • 1,900 views
0 votes
1 answer

What is Spark UI and how to monitor a spark job?

Hey, Jobs- to view all the spark jobs Stages- ...READ MORE

Aug 6, 2019 in Apache Spark by Gitika
 • 65,910 points • 2,909 views
0 votes
1 answer

How to handle data shuffle in Spark

Hi, You can do it using map partition ...READ MORE

Aug 6, 2019 in Apache Spark by Gitika
 • 65,910 points • 1,183 views
0 votes
1 answer

Error "the number of available CPUs 1 is less than the required 2" when creating kubernetes cluster on ec2

The new version of Kubernetes requires you ...READ MORE

Aug 6, 2019 in Kubernetes by Macy
 • 7,021 views
0 votes
1 answer

Is there a provision of on failure ability in puppet?

Not a built-in one, no.  They do log failures, of ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
 • 59,230 points • 410 views
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