Most viewed questions in Edureka Community

+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
67,074 views
+14 votes
18 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
64,802 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
47,606 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
• 330 points
34,264 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
32,175 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
22,954 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
22,759 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
• 3,540 points
22,532 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
22,197 views
0 votes
1 answer

Filtering a row in Spark DataFrame based on matching values from a list

Use the function as following: var notFollowingList=List(9.8,7,6,3, ...READ MORE

Jun 5, 2018 in Apache Spark by Shubham
• 13,190 points
18,754 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
18,429 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
16,611 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
16,399 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
16,259 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
15,391 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 14,642 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
14,207 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
14,059 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
13,927 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
• 810 points

reshown Jun 17 by Vardhan 13,035 views
0 votes
10 answers

What is the correct way to add external Jars to IntelliJ IDEA Project?

The best way is to add the ...READ MORE

Dec 10, 2018 in Java by Nabarupa
12,191 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 11,962 views
+1 vote
10 answers

How does java.net.SocketException: Connection reset happen ?

You can use wireshark to view the ...READ MORE

Dec 7, 2018 in Java by tushh
11,477 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
10,973 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
10,884 views
0 votes
1 answer

How can I use python to execute a curl command?

For sake of simplicity, maybe you should ...READ MORE

Oct 11, 2018 in Python by charlie_brown
• 7,710 points
10,882 views
+1 vote
10 answers

Iterate over a JSONObject?

You can use the following method to ...READ MORE

Dec 7, 2018 in Java by Shuvodip
10,790 views
+1 vote
3 answers

sendKeys() not working in Selenium Webdriver

driver.findElement(By.xpath("//label[text()='User Name:']/following::div/input")).sendKeys("UserName",Keys.TAB); By using a comma you can ...READ MORE

Feb 7 in Selenium by Priyaj
• 56,160 points
10,521 views
0 votes
4 answers

How to change the spark Session configuration in Pyspark?

You can dynamically load properties. First create ...READ MORE

Dec 10, 2018 in Apache Spark by Vini
10,489 views
0 votes
10 answers

hadoop fs -put command?

copy command can be used to copy files ...READ MORE

Dec 7, 2018 in Big Data Hadoop by Sujay
10,460 views
+3 votes
11 answers

How do I delete my Google Cloud Platform Account?

How do I delete me cloud and ...READ MORE

Jan 18 in GCP by dodge123@yahoo.com
10,430 views
+2 votes
6 answers

If conditional in docker file

You can use the test command RUN test ...READ MORE

Dec 10, 2018 in Docker by Shushant
10,369 views
+4 votes
3 answers

Verifying whether an element present or visible in selenium Webdriver

Below code will help you: To check Element ...READ MORE

Apr 17, 2018 in Selenium by king_kenny
• 3,590 points
10,233 views
+1 vote
3 answers

What is the difference between rdd and dataframes in Apache Spark ?

Comparison between Spark RDD vs DataFrame 1. Release ...READ MORE

Aug 27, 2018 in Apache Spark by shams
• 3,580 points
10,095 views
0 votes
1 answer

How to use JavaScript in selenium to click an Element?

Executing a click via JavaScript has some ...READ MORE

Apr 13, 2018 in Selenium by Shubham
• 13,190 points
9,822 views
+2 votes
4 answers

use length function in substring in spark

You can use the function expr val data ...READ MORE

May 3, 2018 in Apache Spark by kurt_cobain
• 9,240 points
9,717 views
0 votes
2 answers

Error: selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable needs to be in PATH

You can also handle this error with ...READ MORE

Nov 27, 2018 in Selenium by Srujan
9,562 views
0 votes
4 answers

Printing a data.frame without index - Python

.tolist() function will remove index READ MORE

Mar 11 in Data Analytics by nishant thakur
9,469 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
• 9,810 points
9,048 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
8,902 views
+2 votes
10 answers

Is there any difference between “hdfs dfs” and “hadoop fs” shell commands?

Yes, there's a difference between hadoop fs and ...READ MORE

Dec 7, 2018 in Big Data Hadoop by Kunal
8,697 views
0 votes
5 answers

How to open a link in new tab of chrome browser using Selenium WebDriver?

You can open a new tab first. ...READ MORE

Nov 27, 2018 in Selenium by Shrikanth
8,541 views
+3 votes
1 answer

Can we get the HTTP Response Code in Selenium with Java?

It is indeed possible to get http ...READ MORE

Apr 20, 2018 in Selenium by king_kenny
• 3,590 points
8,470 views
0 votes
3 answers

How to get text found between span – selenium

The text "Search Zone" is not part ...READ MORE

Feb 28 in Selenium by Trying to Figure
8,343 views
0 votes
8 answers

Creating an empty data.frame with only column names - R

Please try following code snippet. df <- data.frame(matrix(ncol ...READ MORE

Mar 7 in Data Analytics by RajkumarManiRaja
8,343 views
+10 votes
11 answers

Hadoop “Unable to load native-hadoop library for your platform” warning

modify the glibc version.CentOS provides safe softwares ...READ MORE

Sep 10, 2018 in Big Data Hadoop by bug_seeker
• 15,310 points
8,282 views
0 votes
11 answers
0 votes
2 answers

Get text using selenium web driver in python

text = driver.find_element_by_class_name("current-text").getText(); READ MORE

Feb 4 in Selenium by anonymous
7,872 views
0 votes
1 answer

How to fix this? ValueError: invalid literal for int() with base 10 error in Python

The following are totally acceptable in python: passing ...READ MORE

Nov 16, 2018 in Python by Nymeria
• 3,500 points
7,585 views
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
7,484 views