Most answered questions in Edureka Community

0 votes
1 answer

Python: For loop to iterate class object

Refer to the below code: class Try: ...READ MORE

May 22, 2019 in Python by Raj
 • 8,456 views
0 votes
1 answer

What is LassoLars? - Linear regression

LassoLars is a lasso model implemented using ...READ MORE

May 22, 2019 in Machine Learning by Basu
 • 2,826 views
0 votes
1 answer

Show python implementation of Lasso class - regression

Hey @Tanmay, try something like this: >>> from ...READ MORE

May 22, 2019 in Machine Learning by Vedant
 • 1,319 views
0 votes
1 answer

What are some of the common exceptions one could face in Selenium?

Hey Monisha, some of the common Selenium ...READ MORE

May 23, 2019 in Selenium by Satyam
 • 1,972 views
0 votes
1 answer

Spark: Saving file csv

 If you need a single output file ...READ MORE

May 22, 2019 in Apache Spark by Rishi
 • 2,985 views
0 votes
1 answer

Ridge Regression Example

Hey @Nipun, you can try something like ...READ MORE

May 22, 2019 in Machine Learning by Umer
 • 1,224 views
0 votes
1 answer

Hadoop version problem: System is launching different version of Hadoop

When you run sudo service hadoop-master command, it internally runs ...READ MORE

May 22, 2019 in Big Data Hadoop by Tina
 • 767 views
0 votes
1 answer

Error - Aggregate and on-aggregate cannot be combined.

Hi Ritu, This happens when you are comparing ...READ MORE

May 23, 2019 in Tableau by anonymous
 • 33,050 points • 3,143 views
0 votes
1 answer

Hadoop Namenode start issue

Try restarting the master: $ sudo reboot $ sudo ...READ MORE

May 22, 2019 in Big Data Hadoop by Rishi
 • 1,082 views
0 votes
1 answer

Are there any python libraries that do multiple regressions?

You can use sklearn.linear_model.LinearRegression. Something like this: from ...READ MORE

May 22, 2019 in Machine Learning by Vinay
 • 1,323 views
0 votes
1 answer

When and where to use charts in tableau?

Hi, .This is quite a big question to explain, ...READ MORE

May 22, 2019 in Tableau by Cherukuri
 • 33,050 points • 1,145 views
0 votes
1 answer

color line based on difference (increase/decrease)

Hi Sindhu, Once you create a line graph, ...READ MORE

May 22, 2019 in Tableau by Cherukuri
 • 33,050 points • 1,691 views
0 votes
1 answer

How to fetch the previous value in a column or row?

Hi Sindhu, You can use LOOKUP() or PREVIOUS_VALUE() in ...READ MORE

May 22, 2019 in Tableau by Cherukuri
 • 33,050 points • 17,449 views
0 votes
1 answer

Tooltip different for different rows/columns

Hi Anitha, When you make a dual-axis graph, ...READ MORE

May 22, 2019 in Tableau by Cherukuri
 • 33,050 points • 3,030 views
0 votes
1 answer

last n days transactions data from dataset

Hey,  You can create a calculated column or ...READ MORE

May 22, 2019 in Tableau by anonymous
 • 33,050 points • 986 views
0 votes
1 answer

Exclude last month from data set

Hi Peter, Use a condition as below and ...READ MORE

May 22, 2019 in Tableau by Cherukuri
 • 33,050 points • 1,265 views
0 votes
1 answer

Is aws glue new service? What data sources does it support?

It's not a new service. And was ...READ MORE

May 22, 2019 in AWS by Archana
 • 5,640 points • 1,323 views
0 votes
1 answer

Returning the outputs from a CloudFormation template with Boto?

Are you asking how to list the ...READ MORE

May 22, 2019 in AWS by Archana
 • 5,640 points • 2,449 views
0 votes
1 answer

Should the region server be located on all DataNodes?

Hey, Absolute Yes, because Region server runs on ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,959 views
0 votes
1 answer

How will you backup an HBase cluster?

Hey, In 2 ways we can perform HBase ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,809 views
0 votes
1 answer

Creating calculate fields for year difference

Hey cherry, Drop Date field and dimension and ...READ MORE

May 22, 2019 in Tableau by anonymous
 • 33,050 points • 1,293 views
0 votes
1 answer

Consistent versioning in Python project

This is one of the most asked ...READ MORE

May 22, 2019 in Python by SDeb
 • 13,300 points • 1,027 views
0 votes
1 answer

Tkinter to android translation

Even for native purposes, most developers would ...READ MORE

May 22, 2019 in Python by SDeb
 • 13,300 points • 2,373 views
0 votes
1 answer

What do you understand by Filters in Hbase?

 Hey, Basically,  by allowing users to add limiting ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,073 views
0 votes
1 answer

Selenium Exceptions are divided into how many categories?

Hey @Ketan, Selenium exceptions are divided into two ...READ MORE

May 22, 2019 in Selenium by Divya
 • 1,187 views
0 votes
1 answer

What are the different logging levels in Log4j Loggers?

Hello @Pankaj, Log4j Loggers have following levels ...READ MORE

May 22, 2019 in Selenium by Preethi
 • 1,223 views
0 votes
1 answer

What is the procedure of writing Selenium Test Cases with Log4j logging?

@Neetu, you can use these steps to ...READ MORE

May 22, 2019 in Selenium by Naveen
 • 1,312 views
0 votes
1 answer

How to download and add Log4j Jars to Eclipse for Selenium Webdriver?

Hi Diksha, you can follow these steps ...READ MORE

May 22, 2019 in Selenium by Sanjay
 • 23,261 views
+1 vote
1 answer

Hello all! I try to install hadoop but I have a problem when trying to format data folder with command "hdfs namenode -format". Error: Could not find or load main class Username

Hey! The error seems like the problem is ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 3,676 views
0 votes
1 answer

Use Bubble chart to represent groups

Hi Monish, You can create groups formed from ...READ MORE

May 22, 2019 in Tableau by Cherukuri
 • 33,050 points • 792 views
0 votes
1 answer

What are the main components of Log4j?

Hi Kiran, Log4j has four main components: LogManager: This ...READ MORE

May 22, 2019 in Selenium by Anvi
 • 14,150 points • 1,129 views
0 votes
1 answer

What is Log4j and what are its advantages??

Hi Benny, Log4j is a brilliant logging API ...READ MORE

May 22, 2019 in Selenium by Anvi
 • 14,150 points • 3,755 views
0 votes
1 answer

Select item from sub-menu of a menu using mouse over action in selenium

import java.util.concurrent.TimeUnit; import org.openqa.selenium.By; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.chrome.ChromeDriver; import org.openqa.selenium.interactions.Actions; public ...READ MORE

May 22, 2019 in Selenium by Anvi
 • 14,150 points • 29,832 views
0 votes
1 answer

Automate a purchase by adding a book to the cart in flipkart using Selenium

Hello Junaid, this code snippet would help you ...READ MORE

May 22, 2019 in Selenium by Abha
 • 28,140 points • 7,143 views
0 votes
1 answer

How to run multiple test cases using TestNG Test Suite in Selenium?

Hi Neerja, to run multiple test cases ...READ MORE

May 22, 2019 in Selenium by Abha
 • 28,140 points • 31,371 views
0 votes
1 answer

How to create a test case with TestNG in Selenium?

Hey Deepak, to create a Test Case ...READ MORE

May 22, 2019 in Selenium by Abha
 • 28,140 points • 1,543 views
0 votes
1 answer

dns2tcp: Connection to remote ssl-tunnel

This command will create a line-based connection: $ ...READ MORE

May 21, 2019 in Cyber Security & Ethical Hacking by Rajan
 • 1,133 views
0 votes
1 answer

dns2tcp: Get all available connections

You can get the list of available ...READ MORE

May 21, 2019 in Cyber Security & Ethical Hacking by Jishan
 • 925 views
0 votes
1 answer

How do you schedule Data Refresh in Power BI?

Hi, Following could be the reasons why this ...READ MORE

May 21, 2019 in Power BI by Avantika
 • 1,520 points • 1,240 views
0 votes
1 answer

How do you run R script visual in Power BI Service?

Hi, It seems that your data format not recognized correctly ...READ MORE

May 21, 2019 in Power BI by Avantika
 • 1,520 points
edited May 22, 2019 by Omkar • 2,006 views
0 votes
1 answer

Execute entire DAG using Airflow UI

In Airflow 1.8 and higher there is ...READ MORE

May 21, 2019 in Python by SDeb
 • 13,300 points • 2,173 views
0 votes
1 answer

Can't import tkinter

You can Try this code to import ...READ MORE

May 21, 2019 in Python by SDeb
 • 13,300 points • 1,977 views
0 votes
1 answer

How can I check if Internet connection is established on the system or not using Selenium webdriver?

Hey @Misha, you can use this code ...READ MORE

May 21, 2019 in Selenium by Navin
 • 10,106 views
0 votes
1 answer

Write a test case to check if an image exists on a webpage or not without using JS Executor

@Nipun if you want to check whether ...READ MORE

May 21, 2019 in Selenium by Nikita
 • 13,582 views
0 votes
1 answer

Linux Permissions: Sticky bits

You might have come across read, write ...READ MORE

May 21, 2019 in Linux Administration by John
 • 955 views
0 votes
1 answer

Hive: Execute MapReduce jobs locally

You can set Hive to run MapReduce ...READ MORE

May 21, 2019 in Big Data Hadoop by Gani
 • 1,638 views
0 votes
1 answer

How many files can hive create in HDFS duringbMapReduce job?

There is a limit on how many ...READ MORE

May 21, 2019 in Big Data Hadoop by Charuni
 • 1,570 views
0 votes
1 answer

finding the MySQL my.cnf location

You could always run find in a ...READ MORE

May 21, 2019 in Linux Administration by Upasana
 • 8,620 points • 830 views
0 votes
1 answer

Determining whether a given Linux is 32 bit or 64 bit

try this. getconf LONG_BIT Output: 32, if OS is 32 ...READ MORE

May 21, 2019 in Linux Administration by Upasana
 • 8,620 points • 907 views
0 votes
1 answer

How to set maximum dynamic partitions in MapReduce mode?

There is a default maximum number of ...READ MORE

May 21, 2019 in Big Data Hadoop by Likith
 • 1,682 views
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