Trending questions in Edureka Community

+2 votes
12 answers

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

you can run any command in a ...READ MORE

Dec 10, 2018 in Docker by Pramiti
 • 325,979 views
+10 votes
12 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
 • 217,252 views
+15 votes
19 answers

How can I convert String to JSON object in Java?

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

Feb 7, 2019 in Java by Suresh
 • 720 points • 154,019 views
+9 votes
13 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
 • 3,580 points • 129,971 views
+2 votes
10 answers

How to import a jar file in Eclipse?

To import jar file in your Eclipse ...READ MORE

May 15, 2018 in Java by sharth
 • 3,370 points • 130,287 views
+2 votes
11 answers

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

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

Dec 7, 2018 in AWS by Jino
 • 122,653 views
+9 votes
15 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
 • 2,370 points • 105,683 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, 2019 in Java by Neha
 • 330 points • 107,132 views
0 votes
3 answers

Git push vs git push origin

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

Apr 23, 2019 in Git & GitHub by Hiran
 • 96,958 views
+1 vote
12 answers

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

As of kafka 2.3.0 version, there is ...READ MORE

Sep 8, 2019 in Apache Kafka by Brajkishore
 • 240 points • 88,359 views
+1 vote
3 answers

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

The error message invalid literal for int() ...READ MORE

Apr 29 in Python by warrenfelsh
 • 140 points • 77,470 views
+4 votes
6 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
 • 74,357 views
+2 votes
11 answers

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

add a jar/manifest/attributes setting like this: apply plugin: ...READ MORE

Nov 27, 2018 in Java by krishti
 • 69,590 views
0 votes
3 answers

In Python, what is difference between Array and List?

Lists and arrays are used in Python ...READ MORE

Mar 15, 2019 in Python by Taj
 • 1,060 points
edited Mar 18, 2019 by Omkar • 56,041 views
+2 votes
11 answers

How to print array/ list without brackets in python?

print(*names, sep = ', ') This is what ...READ MORE

Dec 10, 2018 in Python by Sudo
 • 68,935 views
+1 vote
11 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
 • 61,604 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, 2019 in Docker by anonymous
edited Apr 17, 2019 by Kalgi • 65,085 views
0 votes
1 answer

Copying files from host to Docker container

For copying the files from the host ...READ MORE

Jul 18, 2018 in Docker by sunshine
 • 1,260 points • 71,082 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, 2019 in Java by Encrypter Manyange
 • 63,520 views
0 votes
2 answers

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
 • 13,380 points • 55,708 views
0 votes
1 answer

How to change/update cell value in Python Pandas dataframe?

You can use the at() method to ...READ MORE

Apr 8, 2019 in Python by Kunal
 • 53,311 views
0 votes
2 answers

Jenkins and Docker : Build a Docker image using an jenkins pipeline and push it into docker registry.

In the illustration below, i have created a ...READ MORE

Aug 26, 2019 in Jenkins by Sirajul
 • 53,110 points • 45,156 views
0 votes
10 answers

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

fruit_Frame<-data.frame(Fruit=NA, Cost=NA, Quantity=NA)[-1,]; ...READ MORE

May 7 in Data Analytics by yxcv
edited May 8 by Gitika • 46,947 views
+2 votes
5 answers

Error: dpkg frontend is locked by another process

First, find out the id of the process that ...READ MORE

Aug 7, 2019 in Linux Administration by Sirajul
 • 53,110 points • 39,570 views
+1 vote
10 answers

Set environment variables in Jenkins

To add to @Omkar's answer, I would ...READ MORE

Dec 10, 2018 in Jenkins by Zoo
 • 54,612 views
+4 votes
24 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
 • 7,170 points • 46,822 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, 2019 in Java by Jim
 • 810 points
reshown Jun 17, 2019 by Vardhan • 50,214 views
+5 votes
11 answers

Concatenate columns in apache spark dataframe

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

Mar 21, 2019 in Apache Spark by anonymous
 • 50,488 views
0 votes
11 answers

How to create new column with function in Spark Dataframe?

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

Apr 4, 2019 in Apache Spark by anonymous
edited Apr 5, 2019 by Omkar • 48,920 views
+1 vote
3 answers

Python error "ERROR: Could not find a version that satisfies the requirement PyQt4 (from versions: none)"

You cannot install PyQt directly from pip. ...READ MORE

Jul 22, 2019 in Python by Bob
 • 34,256 views
+6 votes
15 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
 • 3,210 points • 40,928 views
0 votes
7 answers

How to replace null values in Spark DataFrame?

in spark 2.x you can directly use ...READ MORE

Mar 28 in Apache Spark by gaurav
 • 40,884 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
 • 48,730 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
 • 3,710 points • 46,603 views
+1 vote
1 answer

Python: UnicodeDecodeError: "utf-8" codec can"t decode byte 0xa0 in position 10: invalid start byte

You have to use the encoding as latin1 ...READ MORE

Jul 11, 2019 in Python by Ritu
 • 30,980 views
+1 vote
1 answer

UnicodeDecodeError: "utf-8" codec can't decode byte in position : invalid start byte

You have to use the encoding as latin1 ...READ MORE

Jul 23, 2019 in Python by Kunal
 • 30,370 views
+1 vote
1 answer

what is the key difference between Declarative pipeline and scripted pipeliine

The key difference between Declarative pipeline and Scripted pipeline ...READ MORE

Aug 13, 2019 in Jenkins by Sirajul
 • 53,110 points • 29,369 views
+1 vote
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
 • 7,760 points • 42,563 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
 • 42,884 views
+4 votes
4 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
 • 3,710 points • 32,718 views
0 votes
2 answers

Selenium Exception error -Element is not clickable at point (x, y). Other element would receive the click

If waitings for element, sleeps and oher ...READ MORE

Dec 12, 2019 in Selenium by Douglas
 • 27,171 views
+1 vote
4 answers

How to run YML compose file?

You can run the following command to ...READ MORE

May 6, 2019 in DevOps & Agile by Mithin
 • 36,431 views
+1 vote
3 answers

How do I execute multiple commands using docker-compose

You can also use the depends_on option ...READ MORE

Apr 22, 2019 in Docker by Kavya
 • 35,790 views
+4 votes
11 answers

How do I delete my Google Cloud Platform Account?

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

Jan 18, 2019 in GCP by dodge123@yahoo.com
 • 39,974 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
 • 40,163 views
0 votes
4 answers

How to remove NA values with dplyr::filter()

Can we create a alist as below ...READ MORE

Aug 5, 2019 in Data Analytics by anonymous
 • 34,445 views
0 votes
4 answers

Printing a data.frame without index - Python

.tolist() function will remove index READ MORE

Mar 11, 2019 in Data Analytics by nishant thakur
 • 36,333 views
0 votes
1 answer

Python Pandas error: AttributeError: 'DataFrame' object has no attribute 'rows'

There is no attribute called “rows”. The ...READ MORE

Mar 28, 2019 in Python by Shri
 • 28,543 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
 • 35,318 views
+1 vote
11 answers

hadoop fs -put command?

put syntax: put <localSrc> <dest> copy syntax: copyF ...READ MORE

Dec 7, 2018 in Big Data Hadoop by Aditya
 • 30,295 views
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