Most viewed questions in Edureka Community

0 votes
11 answers

What is the default Namenode port of HDFS. Is it 8020 or 9000 or 50070?

8020/9000 hadoop namenode metadata port number. or ...READ MORE

Dec 31, 2018 in Big Data Hadoop by SM
8,713 views
0 votes
10 answers

Java - sending HTTP parameters via POST method easily

I personally use Apache's HTTPClient/HttpCore libraries to do ...READ MORE

Dec 10, 2018 in Java by robocop
8,689 views
+2 votes
1 answer

I want the console.log output from Chrome. I'm working with selenium on Python

So this is how you do it ...READ MORE

May 3, 2018 in Selenium by sniffy_god
• 760 points
8,677 views
0 votes
1 answer

How to get the return value from a thread using python?

You don't need to change your existing ...READ MORE

Dec 3, 2018 in Python by Nymeria
• 3,500 points

edited Dec 19, 2018 by Nymeria 8,310 views
0 votes
7 answers

How to print the contents of RDD in Apache Spark?

Simple and easy: line.foreach(println) READ MORE

Dec 10, 2018 in Apache Spark by Kuber
8,160 views
+1 vote
1 answer

How to download a file at a specified location through python and selenium using Chrome driver

Create a profile for chrome and define ...READ MORE

Jul 11, 2018 in Selenium by Samarpit
• 5,130 points
8,106 views
+5 votes
13 answers

AWS VPC - What is the difference between Internet Gateway & NAT

Internet Gateway An Internet Gateway is a logical connection ...READ MORE

Apr 24, 2018 in AWS by Flying geek
• 3,150 points
8,100 views
+1 vote
10 answers

How to make mock to void methods with mockito

You can use partial mocking to serve ...READ MORE

Dec 7, 2018 in Java by nitesh
7,870 views
0 votes
6 answers

docker: executable file not found in $PATH

file not found in $PATH READ MORE

May 9 in Docker by anonymous
7,573 views
0 votes
3 answers

How to specify "ENTER" button functionality in Selenium WebDriver code?

using OpenQA.Selenium.Interactions; Actions builder = new Actions(driver); ...READ MORE

Feb 12 in Selenium by anonymous
7,520 views
0 votes
2 answers

Selenium Webdriver + Java - Eclipse: java.lang.NoClassDefFoundError

can you the path like this way ...READ MORE

Feb 23 in Selenium by anonymous
7,489 views
0 votes
1 answer

Check that the element is clickable or not in Selenium WebDriver

Use Selenium Waits: WebDriverWait ...READ MORE

Jun 12, 2018 in Selenium by Meci Matt
• 9,400 points
7,485 views
0 votes
5 answers

groupByKey vs reduceByKey in Apache Spark.

Below Images are self explainatry for reducebykey ...READ MORE

Apr 22 in Apache Spark by Gunjan Kumar
7,375 views
0 votes
5 answers

What is the HDFS command to list all the files in HDFS according to the timestamp?

You can try filter using value in ...READ MORE

Dec 7, 2018 in Big Data Hadoop by Lenny
7,362 views
0 votes
1 answer

HttpServletRequest get JSON POST data

Normally you can GET and POST parameters ...READ MORE

Nov 29, 2018 in Java by Sushmita
• 6,850 points
7,347 views
0 votes
13 answers

What is the difference between Hadoop/HDFS & HBase?

HDFS is a distributed file system whereas ...READ MORE

Apr 26 in Big Data Hadoop by Arihar
• 160 points
7,284 views
0 votes
1 answer

Boto3 - python script to view all directories and files

There are no folders, only S3 object ...READ MORE

Sep 14, 2018 in AWS by Priyaj
• 56,200 points
7,138 views
+5 votes
3 answers

How to execute a python file with few arguments in java?

You can use Java Runtime.exec() to run python script, ...READ MORE

Mar 27, 2018 in Java by DragonLord999
• 8,380 points

edited Nov 6, 2018 by Omkar 7,033 views
0 votes
1 answer

Fluent wait example with code

When we try to test the presence ...READ MORE

Jun 5, 2018 in Selenium by walter 123
• 240 points
6,903 views
0 votes
11 answers

How to check size of HDFS directory?

It is the same syntax. Use the ...READ MORE

Jun 6 in Big Data Hadoop by Sowmya
6,869 views
0 votes
6 answers

How to use COUNTIF in Tableau?

I'll give you a brief idea on ...READ MORE

Dec 10, 2018 in Tableau by Haider
6,822 views
+5 votes
5 answers

Jenkins properties file

Follow these steps: 1. Install ‘EnvInject’ plug-in in the Jenkins ...READ MORE

Aug 2, 2018 in Jenkins by lina
• 8,100 points
6,808 views
0 votes
1 answer

Not able to open a new URL in a new tab in Selenium

There is a bug in ChromeDriver that ...READ MORE

May 21, 2018 in Selenium by Meci Matt
• 9,400 points
6,696 views
0 votes
2 answers

Unable to Click on an Element in Selenium (Python) even after finding it.

Here, I give you working script which ...READ MORE

Sep 19, 2018 in Selenium by Priyaj
• 56,200 points
6,667 views
+1 vote
4 answers

How to run Jenkins jobs on multiple slaves with a single job configuration?

use multijob plugin READ MORE

Jan 3 in Jenkins by Ajit Jadhav
6,652 views
0 votes
2 answers

Extracting data from a JSON file in Python

Here is what i found and was ...READ MORE

Nov 27, 2018 in Python by Rupali
6,536 views
0 votes
2 answers

Power BI Dax Multiple IF AND Statements

HI I have Column Patient 12 13 14 15 18 IN Patient=12, 13 Out ...READ MORE

May 22 in Power BI by VNK
6,495 views
0 votes
1 answer

How to scroll the Page up or down in Selenium WebDriver? (using java)

Its pretty simple. Check out the below ...READ MORE

Apr 5, 2018 in Selenium by nsv999
• 5,050 points
6,420 views
+1 vote
2 answers

Is it possible to scroll down in a webpage using selenium webdriver programmed on python?

I using next code for facebook for ...READ MORE

May 16 in Selenium by mslavikas@gmail.com
6,379 views
–1 vote
1 answer

How to read a csv file stored in Amazon S3 using csv.DictReader

The code would be something like this: import ...READ MORE

Oct 25, 2018 in AWS by Archana
• 5,560 points
6,302 views
0 votes
9 answers

Is there any way to check which Hadoop daemons are running?

use jps command, It will show all the running ...READ MORE

Dec 27, 2018 in Big Data Hadoop by Rakesh
• 160 points
6,252 views
0 votes
2 answers

How to sum a variable by group in R?

You can also try this way, x_new = ...READ MORE

Jul 31 in Data Analytics by Cherukuri
• 19,510 points
6,177 views
0 votes
1 answer

TestNG error:- Cannot find class in classpath

The issue is because the project directory ...READ MORE

Mar 23, 2018 in Selenium by nsv999
• 5,050 points
6,168 views
+4 votes
7 answers

How to set the pipeline name and description for a Jenkinsfile?

You can rename pipeline jobs in jenkins ...READ MORE

Oct 11, 2018 in Jenkins by Hannah
• 14,090 points
6,057 views
+2 votes
6 answers

copy directories in docker container excluding any one directory

One of the way could be copy ...READ MORE

Dec 10, 2018 in Docker by Prateek
6,032 views
0 votes
1 answer

How to delete a file from S3 bucket using boto3?

You can delete the file from S3 ...READ MORE

Nov 30, 2018 in AWS by Aniket
5,941 views
0 votes
1 answer

How to find the nth prime number in Java?

Here is the code to find nth ...READ MORE

Mar 4 in Java by Priyaj
• 56,200 points
5,925 views
0 votes
1 answer

Click on a button within a pop-up window with python selenium

It's not an Alert but a Modal Dialog Box. You ...READ MORE

Jun 20, 2018 in Selenium by Samarpit
• 5,130 points
5,915 views
0 votes
2 answers

Sorting rows in descending order in Spark SQL

df.orderBy(org.apache.spark.sql.functions.col("columnname").desc) READ MORE

Jan 8 in Apache Spark by Ram Reddymasi
5,903 views
0 votes
2 answers

Resolving PKIX path building failed Error?

You need to add the certificate for App2 to ...READ MORE

Sep 24, 2018 in Java by Sushmita
• 6,850 points
5,896 views
0 votes
1 answer

How to upload a file in S3 bucket using boto3 in python

You can use method of creating object ...READ MORE

Nov 30, 2018 in AWS by Aniket
5,887 views
+4 votes
4 answers

perform Git checkout using Groovy script

To do git commit: def getGitCommit() { ...READ MORE

Dec 6, 2018 in DevOps Tools by Vaidya
5,860 views
0 votes
1 answer

How to groupBy/count then filter on count in Scala

I think the exception is caused because ...READ MORE

Apr 19, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
5,819 views
+2 votes
10 answers

Querying DynamoDB by date

You can use the "day" portion in ...READ MORE

Oct 25, 2018 in Cloud Computing by abc
5,728 views
+2 votes
2 answers

How can I press ENTER key with the execute_script in selenium python?

The below code containing Keys.ENTER might just ...READ MORE

Mar 27, 2018 in Selenium by nsv999
• 5,050 points
5,682 views
0 votes
1 answer

How do you add a background thread to flask in Python?

The example below creates a background thread ...READ MORE

Nov 19, 2018 in Python by Nymeria
• 3,500 points
5,641 views
0 votes
2 answers

How to configure outlook automation in Blueprism

Mapiex works only with 32bit outlook client ...READ MORE

Dec 7, 2018 in RPA by Nitesh
5,631 views
+1 vote
2 answers

Read file content from S3 bucket with boto3

s3_client=boto3.resource('s3') bucket = s3_client.Bucket('test') for obj in bucket.objects.all(): contents=obj.get()['Body'].read().decode(encoding="utf-8",errors="ignore") for line ...READ MORE

Jul 3 in AWS by reddy

edited Jul 4 by Kalgi 5,593 views
0 votes
1 answer

How can I check for NaN in Python?

math.isnan() Checks if the float x is a ...READ MORE

Aug 16, 2018 in Python by Priyaj
• 56,200 points
5,577 views
+2 votes
1 answer

How can we handle authentication popup in Selenium WebDriver using Java

The Alert Method, authenticateUsing() lets us skip ...READ MORE

Apr 18, 2018 in Selenium by king_kenny
• 3,610 points
5,539 views