Trending questions in Edureka Community

+14 votes
17 answers

How can I convert String to JSON object in Java?

Hi @Daisy You can use Google gson  for more ...READ MORE

Feb 7 in Java by Suresh
 • 700 points • 59,557 views
+6 votes
11 answers

Default parameters of XMS and XMX in JVM

You use these Java command-line parameters to ...READ MORE

Nov 13, 2018 in Java by Murali
 • 53,436 views
+9 votes
13 answers

How to automate gmail login process using selenium webdriver in java?

Check the below code: Here is the working ...READ MORE

Apr 24, 2018 in Selenium by Vardy
 • 2,280 points • 42,682 views
+2 votes
12 answers

“A Non-static method cannot be referenced from a static context” error

this method must be static so that it will exist even though the ...READ MORE

Jun 11 in Java by Neha
 • 200 points • 29,885 views
0 votes
10 answers

How to import a jar file in Eclipse?

Go to your project right click and ...READ MORE

Dec 10, 2018 in Java by Hola77
 • 26,442 views
+1 vote
11 answers

Python AWS Boto3: How do i read files from S3 Bucket?

All of the answers are kind of ...READ MORE

Mar 30 in AWS by awsdbaexpert
 • 200 points • 18,156 views
+5 votes
11 answers

Concatenate columns in apache spark dataframe

its late but this how you can ...READ MORE

Mar 21 in Apache Spark by anonymous
 • 20,803 views
+9 votes
11 answers

Unable to resolve this error: "javac is not recognized as an internal or external command"

Check your javac path on Windows using Windows Explorer C:\Program Files\Java\jdk1.7.0_02\bin and ...READ MORE

May 23, 2018 in Java by Rishabh
 • 3,520 points • 20,922 views
0 votes
11 answers

How can I delete all the messages from a Kafka topic?

Add one line to server.properties file under ...READ MORE

Nov 27, 2018 in Apache Kafka by Lavanya
 • 19,668 views
+2 votes
11 answers

How can I run a ‘docker exec’ command inside a docker container?

I guess there’s no docker runtime in ...READ MORE

May 14 in Docker by Frank
 • 14,217 views
+3 votes
23 answers

What is an “Edge Location” in AWS?

Let us start with brief explanation to ...READ MORE

Apr 3, 2018 in Cloud Computing by brat_1
 • 7,080 points • 14,514 views
+2 votes
11 answers

How to print array/ list without brackets in python?

name=["a","b","c"] print (', '.join(name)) It will simply take all ...READ MORE

Apr 18, 2018 in Python by aayushi
 • 750 points • 14,635 views
+1 vote
11 answers

Communications link failure: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

you mysql server instance is not running ...READ MORE

Jun 15 in Java by Encrypter Manyange
 • 11,538 views
+1 vote
11 answers

How to send HTTP POST requests on Java?

How to invoke Thread dump analysis API? Invoking ...READ MORE

Jun 16 in Java by Jim
 • 770 points
reshown Jun 17 by Vardhan • 11,474 views
+1 vote
10 answers

Set environment variables in Jenkins

You can use groovy job file: description('') steps { ...READ MORE

Dec 10, 2018 in Jenkins by Galelio
 • 13,911 views
0 votes
11 answers

How to create new column with function in Spark Dataframe?

val coder: (Int => String) = v ...READ MORE

Apr 4 in Apache Spark by anonymous
edited Apr 5 by Omkar • 12,209 views
+2 votes
5 answers

What exactly is the function of random.seed() in python?

The seed method is used to initialize the ...READ MORE

Oct 29, 2018 in Python by Rahul
 • 8,600 views
+1 vote
11 answers

How to run multiple commands in docker at once?

Try this: docker run image bash -c "cd ...READ MORE

Apr 17 in Docker by anonymous
edited Apr 17 by Kalgi • 10,282 views
+1 vote
3 answers

What is the command used to register gecko driver?

System.setProperty("webdriver.gecko.driver", "C:\\gecko ...READ MORE

Jan 9 in Selenium by Frankie
 • 9,710 points • 8,006 views
+1 vote
10 answers

Unable to execute jar- file: “no main manifest attribute”

You Can Simply follow this step Create ...READ MORE

Dec 10, 2018 in Java by Sukesh
 • 12,926 views
0 votes
2 answers

How to get HTML Source of WebElement in Selenium WebDriver using Python?

You can read innerHTML attribute to get source of ...READ MORE

Jun 13, 2018 in Selenium by Samarpit
 • 5,130 points • 9,531 views
0 votes
6 answers

How to replace null values in Spark DataFrame?

Hi i hope this will help for ...READ MORE

Feb 5 in Apache Spark by Srinivasreddy
 • 140 points • 12,055 views
0 votes
3 answers

Git push vs git push origin

In simple words git push command updates ...READ MORE

Apr 23 in Git & GitHub by Hiran
 • 6,161 views
+1 vote
2 answers

Getting this error: “Element is not clickable at point”

There are 3 possible solutions for this: 1. ...READ MORE

Apr 20, 2018 in Selenium by king_kenny
 • 3,590 points • 12,392 views
+1 vote
2 answers

How can I prepare for my AWS SAA-C01 exam? Is there any SAA-C01 Dumps available?

Amazon SAA-C01 pdf dumps-- Finest Method for ...READ MORE

22 hours ago in Ask us Anything! by Belly
 • 470 points • 24 views
0 votes
1 answer

How to create an EC2 instance using Python?

Hey JunDevOps, Have a look these scripts: 1. ...READ MORE

1 day ago in AWS by Aysha
edited 22 hours ago • 134 views
0 votes
1 answer

Issue with Python Read file as stream from HDFS.

The easiest way is using the following ...READ MORE

4 minutes ago in Big Data Hadoop by ravikiran
 • 2,680 points • 3 views
0 votes
1 answer

Can I run Hadoop with Docker for both DEV and PROD environments?

Hadoop Docker Hub provides Hadoop Images, You ...READ MORE

10 minutes ago in Big Data Hadoop by ravikiran
 • 2,680 points • 3 views
0 votes
1 answer

What is the significance of ‘IF EXISTS” clause while dropping a table in Hive?

Hi, Since the table being dropped does not ...READ MORE

31 minutes ago in Big Data Hadoop by Gitika
 • 16,570 points • 3 views
0 votes
1 answer

Which java class handles the output record encoding into files which result from Hive queries?

Hey, This particular class handles the output record ...READ MORE

34 minutes ago in Big Data Hadoop by Gitika
 • 16,570 points • 3 views
0 votes
1 answer

How to check if a particular partition exists in Hive?

Hey, Basically, with the following query, we can ...READ MORE

42 minutes ago in Big Data Hadoop by Gitika
 • 16,570 points • 3 views
0 votes
1 answer

Which java class handles the Input record encoding into files which store the tables in Hive?

Hey, This particular format will handle the input ...READ MORE

38 minutes ago in Big Data Hadoop by Gitika
 • 16,570 points • 2 views
0 votes
1 answer

What are the different assertions or check points used in selenium test scripts?

Hey Shakti, the most common types of ...READ MORE

2 hours ago in Selenium by Abha
 • 11,040 points • 9 views
+1 vote
1 answer

Where to download the corda network bootstrapper 3.1 or 3.2 version for r3 corda?

Here are the steps to setup corda ...READ MORE

1 day ago in Blockchain by Raghu
 • 27 views
0 votes
1 answer

What are the main types of regex quantifiers used in Selenium Webdriver?

Hi Andrew, some of the regex quantifiers ...READ MORE

2 hours ago in Selenium by Abha
 • 11,040 points • 8 views
+1 vote
1 answer

what is the diffrence between hashing and encryption?

In hash, you can't get the actual ...READ MORE

1 day ago by sunshine
 • 900 points • 17 views
0 votes
1 answer

How to mention workflow job in Oozie?

Hey, You can do this with the help ...READ MORE

15 hours ago in Big Data Hadoop by Gitika
 • 16,570 points • 11 views
0 votes
1 answer

What are the extra files we need to run when we run a Hive action in Oozie?

Hi, Below are the extra files that need ...READ MORE

15 hours ago in Big Data Hadoop by Gitika
 • 16,570 points • 10 views
0 votes
1 answer

How to Execute job in oozie?

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

15 hours ago in Big Data Hadoop by Gitika
 • 16,570 points • 10 views
+1 vote
1 answer

Django not found error

Before installing Django make sure you have ...READ MORE

1 day ago in Python by Fata
 • 540 points • 17 views
0 votes
1 answer

What are the properties that have to be mentioned in . properties in Oozie?

Hey, These are the listed properties that need ...READ MORE

14 hours ago in Big Data Hadoop by Gitika
 • 16,570 points • 9 views
0 votes
1 answer

Can hive queries be executed from script files? And how?

Hey, It is possible by using the source ...READ MORE

14 hours ago in Big Data Hadoop by Gitika
 • 16,570 points • 7 views
0 votes
1 answer

Can a table be renamed in hive?

Hey, Yes, you can rename a table in ...READ MORE

14 hours ago in Big Data Hadoop by Gitika
 • 16,570 points • 7 views
0 votes
1 answer

What is the difference between @BeforeClass and @BeforeTest?

Hi Mithun, @BeforeTest method runs before any ...READ MORE

16 hours ago in Selenium by Pragya
 • 8 views
0 votes
1 answer

What is actions class in Selenium Webdriver?

Hi @Kavita, Actions class is used to ...READ MORE

16 hours ago in Selenium by Rumani
 • 8 views
0 votes
1 answer

What are different types of Desired Capabilities methods in Selenium?

Hello Ritvik, some of the desired capabilities ...READ MORE

15 hours ago in Selenium by Yukta
 • 5 views
0 votes
1 answer

what are sockets?

Sockets are basically open and close gateways ...READ MORE

17 hours ago in Python by Fata
 • 540 points • 8 views
0 votes
1 answer

'f' strings in Python

They are also known as Literal String ...READ MORE

17 hours ago in Python by Fata
 • 540 points • 8 views
0 votes
1 answer

What are desired capabilities in Selenium?

Hey Varun, the Desired Capability is a ...READ MORE

17 hours ago in Selenium by Deepak
 • 7 views
0 votes
1 answer

How to check all checkboxes on a webpage using Selenium?

Hey Jenny, to check all the checkboxes ...READ MORE

15 hours ago in Selenium by Suraj
 • 6 views
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