Most voted questions in Edureka Community

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1 answer

What is the difference between persist() and cache() in apache spark?

Hi, persist () allows the user to specify ...READ MORE

Jul 3, 2019 in Apache Spark by Gitika
 • 65,910 points • 3,348 views
0 votes
1 answer

What is meant by Transformation? Give some examples.

Hi, The transformations are the functions that are ...READ MORE

Jul 3, 2019 in Apache Spark by Gitika
 • 65,910 points • 571 views
0 votes
0 answers

When we create an RDD, does it bring the data and load it into the memory?

Can anyone suggest when we create an ...READ MORE

Jul 3, 2019 in Apache Spark by monalisa
recategorized Jul 4, 2019 by Gitika • 1,124 views
0 votes
0 answers

Is ther any way where i can set liftetime of container while building image itself?. Do not use script insidecontainer to stop.

Jul 3, 2019 in Docker by Syed
 • 454 views
0 votes
1 answer

Can anyone help me with the hierarchy or order in which TestNG Annotations execute?

Hey Vineet, TestNG Annotations run in the ...READ MORE

Jul 3, 2019 in Selenium by Ankita
 • 1,204 views
0 votes
1 answer

Can anyone demonstrate with an example how the TestNG Annotations behave while running a testng.xml file?

Hey Sharman, TestNG annotations behave in the ...READ MORE

Jul 3, 2019 in Selenium by Sam
 • 659 views
0 votes
0 answers

When ever a file is added in s3 bucket, should it be renamed using timestamp?

Jul 3, 2019 in AWS by anonymous
 • 4,091 views
0 votes
2 answers

How to verify color of a web element in Selenium Webdriver?

document.getElementsByTagName('div')[0].style.backgroundColor READ MORE

Aug 31, 2020 in Selenium by Sri
 • 3,190 points • 17,092 views
0 votes
1 answer

How can I find broken or invalid images on a webpage using Webdriver?

Hey @Lucy, to find the broken or ...READ MORE

Jul 3, 2019 in Selenium by Junaid
 • 5,967 views
0 votes
1 answer

Does Selenium WebDriver Support Record And Playback Facility?

Hi Gurminder, Selenium Webdriver doesn't support Record ...READ MORE

Jul 3, 2019 in Selenium by Emraan
 • 3,610 views
0 votes
1 answer

Is it possible to get existing page source and save it to a string in Selenium?

Hey Kushal, you can use Browser command ...READ MORE

Jul 3, 2019 in Selenium by Rashmika
 • 1,546 views
0 votes
1 answer

What is Webdriver Backed Selenium and why it is used?

Hey Shushma, WebDriverBackedSelenium is an implementation of the ...READ MORE

Jul 3, 2019 in Selenium by Abha
 • 28,140 points • 3,775 views
0 votes
1 answer

How to run Selenium 1.0 tests in Selenium Webdriver?

Hey @Ipshita, We can use WebDriverBackedSelenium() method to ...READ MORE

Jul 3, 2019 in Selenium by Anvi
 • 14,150 points • 701 views
0 votes
1 answer

What is the rule to use group by, having and where clause?

Hi samar, this is a very common mistake ...READ MORE

Jul 2, 2019 in Database by anonymous
 • 1,098 views
0 votes
1 answer

How to change tuple's existing elements?

Hi Priyankar, I understand your problem, but Tuple is immutable - ...READ MORE

Jul 2, 2019 in Python by sampriti
 • 1,120 points • 2,594 views
0 votes
1 answer

How can I send some data to a Prompt Alert box using Selenium Webdriver?

Hey Abhishek, you can use sendKeys() method ...READ MORE

Jul 3, 2019 in Selenium by Abha
 • 28,140 points • 8,947 views
0 votes
1 answer

How to capture the text from Alert Message in Selenium Webdriver?

Hello @Farhan, you can use getText() method ...READ MORE

Jul 3, 2019 in Selenium by Anvi
 • 14,150 points • 10,576 views
0 votes
1 answer

Why Docker compose does not wait for a container to be ready before moving on to start next service in dependency order?

Docker Compose always starts and stops containers ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points
edited Jul 3, 2019 by Sirajul • 2,685 views
0 votes
1 answer

Can I give an advance instructions to run later, during the next build stage in docker?

You can definitely give a trigger instruction ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 771 views
0 votes
4 answers

Is it possible to call one python script from another Python Script?

Try using os.system: os.system("script2.py 1") execfile is different because it is ...READ MORE

Dec 16, 2020 in Python by Gitika
 • 65,910 points • 68,842 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 • 2,091 views
0 votes
1 answer

Is it possible to use JSON instead of YAML for docker-compose file?

You can use JSON instead of YAML ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 4,477 views
0 votes
1 answer

Joining 2 vectors into 1 variable - R

A small trick that you can do ...READ MORE

Jul 4, 2019 in Data Analytics by anonymous
 • 33,030 points • 519 views
0 votes
1 answer

How do I install docker-compose on linux?

Docker Compose is a tool for defining ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 9,435 views
0 votes
1 answer

I want to queue time-based tasks in Azure

You need to use a scheduled task. ...READ MORE

Jul 2, 2019 in Azure by Perry
 • 17,100 points • 917 views
0 votes
1 answer

Want to make index.html as the default document on my static website in a CDN.

You can use Premium CDN. If you purchased the ...READ MORE

Jul 2, 2019 in Azure by Perry
 • 17,100 points • 922 views
0 votes
1 answer

error saying ""errorMessage": "Unable to import module 'MyFirst'""

I had the exact same error. Make ...READ MORE

Jul 2, 2019 in AWS by Travis
 • 2,379 views
0 votes
1 answer

what does docker import command do?

docker import command Imports the contents from ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 6,406 views
0 votes
1 answer

how do I create an image from a tar archive in docker?

You can use docker load command inorder to get ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 8,075 views
0 votes
1 answer

How does save and export command work in docker and how are they different from one another?

Export : Export is used to persist a ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points
edited Jul 2, 2019 by Sirajul • 6,692 views
0 votes
1 answer

How to move Docker containers from one host to another?

Yes you could definitely do it the ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 11,991 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 • 2,115 views
0 votes
1 answer

How do I start a Docker container with a volume?

You can first create the volume and ...READ MORE

Jul 2, 2019 in Docker by Namik
 • 1,230 points • 24,244 views
0 votes
2 answers

How do you convert a dictionary to a defaultdict?

from collections import defaultdict a = {1: 2, ...READ MORE

Aug 2, 2019 in Python by Mohammad
 • 3,230 points • 8,985 views
0 votes
1 answer

How do i install numpy on windows?

Python Package Index (PyPI) is a repository ...READ MORE

Jul 3, 2019 in Python by anonymous
 • 513 views
0 votes
1 answer

Along with AWS do I need to learn anything else?

Amazon Web Services (AWS) is a cloud ...READ MORE

Jul 2, 2019 in AWS by ArchanaNagur
 • 2,360 points • 1,054 views
0 votes
1 answer

Read data from various csv and store it in one dataframe

Use rbind() to join both data frames ...READ MORE

Jul 4, 2019 in Data Analytics by anonymous
 • 33,030 points • 445 views
0 votes
2 answers

How do I find all files containing specific text and rename in unix/linux

Hi, @Kal You can use this command below to ...READ MORE

Jul 2, 2019 in Linux Administration by Gitika
 • 65,910 points
edited Jul 2, 2019 by Gitika • 2,138 views
0 votes
1 answer

Does the feature of "Garbage Collection" exist in Docker?

Yes you can clean up resources in ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 59,230 points • 2,049 views
0 votes
1 answer

What is persist() in Spark?

Hi, Spark’s RDDs are by default recomputed each ...READ MORE

Jul 2, 2019 in Apache Spark by Gitika
 • 65,910 points • 587 views
0 votes
1 answer

What is a Parquet file in Spark?

Hey, Parquet is a columnar format file supported ...READ MORE

Jul 2, 2019 in Apache Spark by Gitika
 • 65,910 points • 1,114 views
0 votes
1 answer

What is GraphX in Spark?

Hi, Spark uses GraphX for graph processing to ...READ MORE

Jul 2, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 927 views
0 votes
1 answer

Hadoop security GroupMappingServiceProvider exception for Spark job via Dataproc API

If you don't want to turn off ...READ MORE

Jul 2, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,561 views
0 votes
1 answer

ElasticSearch Hadoop Cluster

The elasticsearch Hadoop library is not a ...READ MORE

Jul 2, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 522 views
0 votes
1 answer

Why do variables have bigger scopes in Python than in C?

Only functions, modules, and the bodies of ...READ MORE

Jul 2, 2019 in Python by SDeb
 • 13,300 points • 793 views
0 votes
1 answer

How does [:] work in python?

The right is evaluated first, placed into ...READ MORE

Jul 2, 2019 by SDeb
 • 13,300 points • 134 views
0 votes
1 answer

Test if dict contained in dict

You can use the following piece of ...READ MORE

Jul 2, 2019 by Wajiha
 • 1,950 points • 151 views
0 votes
1 answer

Slicing a list using a variable, in Python

Yes its possible. Use the following piece ...READ MORE

Jul 2, 2019 in Python by Wajiha
 • 1,950 points • 1,737 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 • 2,104 views
0 votes
0 answers

what are the commonly used Spark ecosystem?

Can someone mention what are the commonly ...READ MORE

Jul 2, 2019 in Big Data Hadoop by ranjan
 • 418 views
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