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 • 52,722 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
 • 36,573 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 • 35,962 views
+2 votes
11 answers

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

Instead of final, here you can wrap ...READ MORE

Jan 29 in Java by zemiak
 • 24,415 views
+8 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 • 18,927 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
 • 17,852 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
 • 19,771 views
0 votes
11 answers

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

To purge the Kafka topic, you need ...READ MORE

Jul 9, 2018 in Apache Kafka by Shubham
 • 12,270 points • 16,030 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 • 13,017 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
 • 9,977 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 • 12,081 views
+3 votes
21 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 • 12,034 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
 • 11,037 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 • 9,244 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 • 8,297 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
 • 5,558 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
 • 9,590 points • 5,260 views
+2 votes
1 answer

Cloud and DevOps

Hey @Srinivas, the reason all the courses ...READ MORE

1 day ago in Career Counselling by Kalgi
 • 35,800 points • 72 views
+1 vote
2 answers

RPA C# - Process developments in C #

Hey Conell, you can use Visual Studio's ...READ MORE

12 hours ago in RPA by Abha
 • 6,370 points • 19 views
0 votes
2 answers

Why automation? exactly what we test?

Hey, Automation testing is used to overcome the ...READ MORE

11 hours ago in Software Testing by Abha
 • 6,370 points • 10 views
0 votes
1 answer

Difference between ensemble and quorum in zookeeper?

Hey, When you want to have high availability ...READ MORE

5 hours ago in Big Data Hadoop by Gitika
 • 8,380 points • 7 views
0 votes
1 answer

Setting JAVA_HOME in linux

find /usr/lib/jvm/java-1.x.x-openjdk vim /etc/profile Prepend sudo if logged in ...READ MORE

6 hours ago in Linux Administration by DareDev
 • 6,560 points • 6 views
0 votes
1 answer

What is the best way to fetch data from table?

Hey Shraddha, I understand your doubts about fetching ...READ MORE

5 hours ago in Database by Sampriti
 • 180 points • 4 views
0 votes
1 answer

What is the difference between an Instance, AMI and Snaphots in AWS?

AMI is the Amazon Machine Image which provides ...READ MORE

7 hours ago in AWS by ArchanaNagur
 • 1,150 points • 8 views
0 votes
1 answer

Linux: Using grep to display filenames

You need t use -l flag with ...READ MORE

6 hours ago in Linux Administration by ajs3033
 • 7,040 points • 5 views
0 votes
1 answer

What does the sink function do in R?

sink diverts R output to a connection ...READ MORE

6 hours ago in Data Analytics by Chandu
 • 4 views
0 votes
1 answer

How to install Python on Windows and set path variable?

Install python from this link https://www.python.org/downloads/ After ...READ MORE

7 hours ago in Python by anonymous
 • 180 points • 8 views
0 votes
1 answer

How do I convert type of an array in python?

Use the following command to change the ...READ MORE

6 hours ago in Python by Kishore
 • 4 views
0 votes
1 answer

Problem in real time matplotlib plotting

Hi Sucheta, The error I can see in ...READ MORE

6 hours ago in Python by Sampriti
 • 180 points • 4 views
0 votes
1 answer

Explain the CLI in Zookeeper?

Hey, ZooKeeper Command Line Interface (CLI) is used ...READ MORE

7 hours ago in Big Data Hadoop by Gitika
 • 8,380 points • 6 views
0 votes
1 answer

What are Webdriver listeners and what are they used for?

Hi Dheeraj, Listeners “listen” to the event ...READ MORE

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

How to handle multiple windows in Selenium Webdriver?

Hey Ritika, you can handle multiple windows ...READ MORE

6 hours ago in Selenium by Anvi
 • 5,960 points • 7 views
0 votes
1 answer

Read Parquet file using hdfs dfs -cat command

When you try to read a parquet ...READ MORE

10 hours ago in Big Data Hadoop by Calvin
 • 10 views
0 votes
1 answer

Is it possible to create an array with all values as zero in python?

You can use  np.zeros(4,3) This will create a 4 ...READ MORE

6 hours ago in Python by Anjali
 • 4 views
0 votes
1 answer

What are CSS Selectors and how they can be used as locators in Selenium Webdriver?

Hi Randeep, CSS Selectors are string patterns ...READ MORE

6 hours ago in Selenium by Pratibha
 • 6 views
0 votes
1 answer

How to find all ELB that are using specific subnet in AWS via CLI?

In AWS CLI the correct way to ...READ MORE

8 hours ago in AWS by ArchanaNagur
 • 1,150 points • 8 views
0 votes
1 answer

How to enable impersonation in Hue for Impala?

In the Hue configuration file, search for ...READ MORE

7 hours ago in Big Data Hadoop by Jimmy
 • 4 views
0 votes
1 answer

what is the difference between drop and drop_all command in Hbase?

Hey, drop:- This command is used to drop ...READ MORE

8 hours ago in Big Data Hadoop by Gitika
 • 8,380 points • 6 views
0 votes
1 answer

How to open new tab in same browser and switch between them using Selenium?

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

7 hours ago in Selenium by Abha
 • 6,370 points • 7 views
0 votes
1 answer

How to comment multiple lines in Python?

Comments in Python begin with a # ...READ MORE

7 hours ago in Python by Nisa
 • 180 points • 6 views
0 votes
1 answer

assert keyword in python is used for what purpose?

The assert keyword is used while debugging ...READ MORE

6 hours ago in Python by Taj
 • 340 points • 2 views
0 votes
1 answer

How to launch browsers using Python-Selenium?

Hey Nikita, to launch browser in Python-Selenium, ...READ MORE

6 hours ago in Selenium by Anvi
 • 5,960 points • 6 views
0 votes
1 answer

Save NumPy arrays to File

Try this: np.savetxt('file.txt',arr,delimiter=' ') will save to a text ...READ MORE

7 hours ago in Python by Jason
 • 3 views
0 votes
1 answer

Convert csv file to NumPy array

Hi @Lina, you can use this: numpy_array = ...READ MORE

7 hours ago in Python by Puneet
 • 3 views
0 votes
1 answer

How do I create 3 X 4 array of random numbers between 0 and 100 using python?

Use numpy in the following manner: np.random.rand(3,4)*100 When you ...READ MORE

7 hours ago in Python by Radhika
 • 2 views
0 votes
1 answer

Create 3*4 array of random numbers - Python

To create different arrays like random arrays:  np.random.rand(3,4) ...READ MORE

7 hours ago in Python by Umer
 • 2 views
0 votes
1 answer

Explain to me how to get Hadoop configuration in Java Util.

In order to get access to the File ...READ MORE

7 hours ago in Big Data Hadoop by ravikiran
 • 1,540 points • 3 views
0 votes
1 answer

Issue with GPG Key retrieval which failed Hadoop Bigtop installation process.

 I understood your problem, I hope you can ...READ MORE

7 hours ago in Big Data Hadoop by ravikiran
 • 1,540 points • 3 views
0 votes
1 answer

How to set Secret Key for Hue?

You have to set the secret key ...READ MORE

7 hours ago in Big Data Hadoop by Yogi
 • 3 views
0 votes
1 answer

How to specify Hue Server Http address?

Search for the Hue configuration file on ...READ MORE

8 hours ago in Big Data Hadoop by Rahul
 • 3 views
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