Most voted questions in Edureka Community

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How to get details of a webpage like url, title name, domain name etc using Javascript Executor?

Hey Nitya, you can use executeScript() method ...READ MORE

Jul 23, 2019 in Selenium by Abha
 • 28,140 points • 11,873 views
0 votes
1 answer

How javascript code can be executed in Selenium Webdriver?

Hey Veena, execute_script is used to execute ...READ MORE

Jul 23, 2019 in Selenium by Anvi
 • 14,150 points • 617 views
0 votes
1 answer

Is there any alternate way of refreshing a web page other than refresh() method in Selenium?

HI Parineeti, to refresh a webpage, we ...READ MORE

Jul 23, 2019 in Selenium by Anvi
 • 14,150 points • 2,215 views
0 votes
1 answer

How can I get meta-description of a webpage using Selenium Webdriver?

Hey Sonal, to get the meta-description of ...READ MORE

Jul 23, 2019 in Selenium by Abha
 • 28,140 points • 5,438 views
0 votes
1 answer

Explain the for loop for printing the Map values in Scala in Apache Spark?

Hey, You can see this following code to ...READ MORE

Jul 23, 2019 in Apache Spark by Gitika
 • 65,910 points • 1,794 views
0 votes
1 answer

How to save RDD in Apache Spark?

Hey, There are few methods provided by the ...READ MORE

Jul 23, 2019 in Apache Spark by Gitika
 • 65,910 points • 3,336 views
0 votes
1 answer

How to check if a particular keyword exists in Apache Spark?

Hey, You can try this code to get ...READ MORE

Jul 23, 2019 in Apache Spark by Gitika
 • 65,910 points • 4,385 views
0 votes
1 answer

Create a database table using python

Hey @Kim, try something like this: import MySQLdb # ...READ MORE

Jul 23, 2019 in Python by Barbara
 • 1,110 views
0 votes
1 answer

Open database connection - python

Hey you can use something like this: import ...READ MORE

Jul 23, 2019 in Python by Kyraa
 • 633 views
0 votes
1 answer

How to compute the square root of sum of squares of numbers?

Hey, You need to follow some steps to complete ...READ MORE

Jul 23, 2019 in Apache Spark by Gitika
 • 65,910 points • 5,510 views
0 votes
1 answer

Use parameters stored in aws parameter store in ansible playbook

Use aws_ssm module for this purpose: - name: ...READ MORE

Jul 23, 2019 in Ansible by Vishnu
 • 1,441 views
0 votes
1 answer

How to create Custom wait library for handling synchronization in Selenium Webdriver?

Hi Sushmita, to solve Synchronization issue in ...READ MORE

Jul 23, 2019 in Selenium by Anvi
 • 14,150 points • 1,714 views
0 votes
1 answer

Average function is not commutative and associative?

Hey, I guess the only problem with the ...READ MORE

Jul 23, 2019 in Apache Spark by Gitika
 • 65,910 points • 2,190 views
0 votes
1 answer

Can anyone suggest how can I use Explicit wait in my automation test cases using Webdriver?

Hi Inder, you can use Explicit wait ...READ MORE

Jul 23, 2019 in Selenium by Abha
 • 605 views
0 votes
1 answer

I want to implement Fluent Wait in my test script, but I am new to Selenium and don't know much about Waits. Can anyone please help?

Hey Indu, Fluent wait is a class which ...READ MORE

Jul 23, 2019 in Selenium by Abha
 • 28,140 points • 1,875 views
0 votes
1 answer

How to automate radio button and checkbox on a webpage in Selenium Webdriver?

Hey Yashmita, following code snippet automates the ...READ MORE

Jul 23, 2019 in Selenium by Anvi
 • 14,150 points • 2,131 views
0 votes
1 answer

how to know the white hat hacking?

White Hat Hacking is another name for Ethical ...READ MORE

Jul 23, 2019 in Cyber Security & Ethical Hacking by Ritu
 • 758 views
0 votes
1 answer

Scala: when to use x(2) and x._2?

In the above statement, x(2) is specifying an array ...READ MORE

Jul 22, 2019 in Apache Spark by Yogi
 • 1,132 views
0 votes
1 answer

Pass sudo password while executing Ansible playbook

Hey @Bob, try something like this: ansible-playbook playbook.yml ...READ MORE

Jul 22, 2019 in Ansible by Akash
 • 5,152 views
0 votes
1 answer

Scala: error: value unary_+ is not a member of (Int, Int)

All prefix operators' symbols are predefined: +, -, ...READ MORE

Jul 22, 2019 in Apache Spark by karan
 • 3,002 views
0 votes
1 answer

Need help to open excel file and read in Python

You can use pandas module to do ...READ MORE

Jul 22, 2019 in Python by Tina
 • 730 views
0 votes
1 answer

How can we ignore header line while loading data into Pig?

You can use the following code: A = ...READ MORE

Jul 22, 2019 in Big Data Hadoop by kiran
 • 530 views
0 votes
1 answer

HTTP POST and GET using cURL

You can just add | grep }| ...READ MORE

Jul 22, 2019 in Linux Administration by Upasana
 • 8,620 points • 801 views
0 votes
1 answer

Install python using Ansible

Try something like: - hosts: all remote_user: ...READ MORE

Jul 22, 2019 in Python by Travis
 • 8,471 views
0 votes
1 answer

Load .xlsx files to hive tables with spark scala

This should work: def readExcel(file: String): DataFrame = ...READ MORE

Jul 22, 2019 in Apache Spark by Kishan
 • 4,087 views
0 votes
1 answer

Create an empty tkinter window - Python

Its pretty simple: # import the module import Tkinter $Create ...READ MORE

Jul 22, 2019 in Python by Aysha
 • 3,567 views
0 votes
1 answer

Code to compute average in Apache Spark?

Hi, You can compute the average using this ...READ MORE

Jul 22, 2019 in Apache Spark by Gitika
 • 65,910 points • 1,018 views
0 votes
1 answer

How do I add a button - Python

Try this: # Import required packages import Tkinter import tkMessageBox top ...READ MORE

Jul 22, 2019 in Python by Ashish
 • 392 views
0 votes
1 answer

Python error "'Series' object is not callable "

Try this: df['ln_returns'] = np.log(df['Close_mid']/df['Close_mid']) df['Close_mid'](1)) doesn't seem to ...READ MORE

Jul 22, 2019 in Python by Greg
 • 17,165 views
0 votes
1 answer

How fault tolerance is achieved in Apache Spark?

Hey, In Apache Spark, the data storage model is ...READ MORE

Jul 22, 2019 in Apache Spark by Gitika
 • 65,910 points • 8,207 views
0 votes
1 answer

How can I perform multi-browser testing using Selenium TestNG?

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

Jul 22, 2019 in Selenium by Abha
 • 28,140 points • 1,973 views
0 votes
1 answer

How to Sqoop in a Java Program?

You can use the following sample code for ...READ MORE

Jul 22, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,346 views
0 votes
1 answer

How to remove the elements with a key present in any other RDD?

Hey, You can use the subtractByKey () function to ...READ MORE

Jul 22, 2019 in Apache Spark by Gitika
 • 65,910 points • 3,832 views
0 votes
2 answers

Namenode is not getting started

Hi, You can do one thing, first delete all ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Namisha
 • 795 views
0 votes
1 answer

What are the different methods (APIs) provided by Selenium Webdriver to take screenshot of a webpage?

Hey Hemant, Selenium Webdriver provides 3 different ...READ MORE

Jul 22, 2019 in Selenium by Abha
 • 28,140 points • 2,791 views
0 votes
1 answer

Error : split value is not a member of org.apache.spark.sql.Row

spark.read.csv is used when loading into a ...READ MORE

Jul 22, 2019 in Apache Spark by Firoz
 • 2,819 views
0 votes
1 answer

How can I parallely execute automation tests using Selenium Grid?

Hello Urmila, to parallelly execute automation tests ...READ MORE

Jul 22, 2019 in Selenium by Anvi
 • 14,150 points • 722 views
0 votes
1 answer

How many partitions can do for one table?

Well, there are two kinds of partitions: 1. ...READ MORE

Jul 22, 2019 in Big Data Hadoop by Kunal
 • 541 views
0 votes
1 answer

Plot a pie-chart in Python in Matplotlib

Not sure which dataset you are using. ...READ MORE

Jul 22, 2019 in Python by Shri
 • 6,316 views
0 votes
1 answer

Python error "_tkinter.TclError: unknown font style "Normal""

Change the line  pen.write("score: {} High Score: {}".format(score, ...READ MORE

Jul 22, 2019 in Python by Yashita
 • 2,738 views
0 votes
1 answer

How to measure page load time of a website using Selenium-Python?

Hello Damodar, following test script allows you ...READ MORE

Jul 22, 2019 in Selenium by Anvi
 • 14,150 points • 11,354 views
0 votes
1 answer

Can we use different input and output format classes?

Yes, InputFormatClass and OutputFormatClass are independent of ...READ MORE

Jul 22, 2019 in Big Data Hadoop by Jishan
 • 483 views
0 votes
1 answer

Why do we use job.waitForCompletion(true) ?

The main reason for job.waitForCompletion exists is that ...READ MORE

Jul 22, 2019 in Big Data Hadoop by Kiran
 • 934 views
0 votes
1 answer

Mapreduce: What is the use of setting the name of the job?

Job job = new Job(conf,"job_name"), is just ...READ MORE

Jul 22, 2019 in Big Data Hadoop by Madhu
 • 932 views
0 votes
1 answer

Output types of mapper and reducer does not match

job.setOutputValueClass will set the types expected as ...READ MORE

Jul 22, 2019 in Big Data Hadoop by Reena
 • 2,458 views
0 votes
1 answer

How to switch between tabs on a browser and get titles of each tab using Selenium?

Hi Abhimanyu, you can use following code ...READ MORE

Jul 22, 2019 in Selenium by Abha
 • 28,140 points • 9,577 views
0 votes
2 answers

How to open a new tab in existing browser window using Javascript Executor?

Hi Meenal, you can use executeScript() method ...READ MORE

Jul 22, 2019 in Selenium by Abha
 • 28,140 points
edited Oct 7, 2021 by Sarfaraz • 10,516 views
0 votes
1 answer

'NodeList' object has no attribute 'firstChild'

Use the following piece of code: from xml.dom ...READ MORE

Jul 22, 2019 in Python by Wajiha
 • 1,950 points • 3,990 views
0 votes
1 answer

load/save text file in spark

The reason you are able to load ...READ MORE

Jul 22, 2019 in Apache Spark by Giri
 • 3,218 views
0 votes
1 answer

Difference between ElementTree and Minidom

Python allows parsing these XML documents using ...READ MORE

Jul 22, 2019 in Python by Wajiha
 • 1,950 points • 5,212 views
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