Most voted questions in Edureka Community

0 votes
1 answer

What does the command df.registerTempTable() do?

df.registerTempTable(“airports”) This command is used to register ...READ MORE

Jul 14, 2019 in Apache Spark by James
 • 7,887 views
0 votes
1 answer

Spark: How can i create temp views in user defined database instead of default database?

You can try the below code: df.registerTempTable(“airports”) sqlContext.sql(" create ...READ MORE

Jul 14, 2019 in Apache Spark by Ishan
 • 4,164 views
0 votes
0 answers

How to create a Wordlist generator in Golang?

I want to create a Wordlist Generator ...READ MORE

Jul 14, 2019 in Others by Raj
 • 180 points • 636 views
0 votes
1 answer

org.apache.spark.sql.AnalysisException: cannot resolve "`id`" given input columns

I have used a header-less csv file ...READ MORE

Jul 14, 2019 in Apache Spark by Puneet
 • 17,445 views
0 votes
1 answer

How to compare expected and predicted values?

The predict() function returns a plain numpy ...READ MORE

Jul 14, 2019 in Machine Learning by Tina
 • 12,566 views
0 votes
1 answer

Difference between cogroup and full outer join in spark

Please go through the below explanation : Full ...READ MORE

Jul 14, 2019 in Apache Spark by Kiran
 • 9,442 views
0 votes
0 answers

How to click an image in gmail using selenium

The image in the body of the ...READ MORE

Jul 13, 2019 in Selenium by anonymous
 • 951 views
0 votes
1 answer

what is the webDriverWait in Explicitwait??

Hey Narayanappagari, there's already a thread on ...READ MORE

Jul 15, 2019 in Selenium by Abha
 • 28,140 points • 378 views
0 votes
1 answer

Command to tar directory excluding certain files/folders

$ tar --exclude='./folder' --exclude='./upload/folder2' -zcvf /backup/filename.tgz . Try ...READ MORE

Jul 13, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,097 views
0 votes
1 answer

Change the output colour of echo

Try using ANSI escape codes as the following; Black ...READ MORE

Jul 13, 2019 in Linux Administration by Shubham
 • 13,490 points • 570 views
0 votes
1 answer

Is it possible for containers within a pod to communicate with each other?

Yes, it is possible for containers to ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 3,552 views
0 votes
1 answer

How can i get all the pods on a node?

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

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 744 views
0 votes
1 answer

How do I expose a service to a host outside the cluster?

There are two ways by which we ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 576 views
0 votes
2 answers

How do I update all my pods if the image is changed but the tag is the same?

since K8s 1.15 kubectl rollout restart do the ...READ MORE

Jul 24, 2020 in Kubernetes by Mathieu V
 • 6,809 views
0 votes
1 answer

Pods in Kubernetes

Pod is a single or bunch of ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 717 views
0 votes
0 answers

Chart/plot to show 3 dimensions in a chart - R

Hi, I want to show chart with ...READ MORE

Jul 12, 2019 in Data Analytics by kalyan
 • 387 views
0 votes
1 answer

How do you select a python interpreter in Pycharm?

Follow the following steps: Open the settings Open Project ...READ MORE

Aug 2, 2019 in Python by Mohammad
 • 3,230 points • 2,299 views
0 votes
1 answer

What are the python libraries that can be used to perform web scraping in python?

for web scraping in python we can ...READ MORE

Aug 2, 2019 in Python by Mohammad
 • 3,230 points • 698 views
0 votes
2 answers

How to check whether a string contains alphabets or number in Python?

By using isAlpha () to check whether ...READ MORE

Jul 14, 2019 in Python by Sheik janibasha
 • 4,999 views
0 votes
1 answer

How does garbage collection happen in Python?

The Garbage collection runs automatically as the ...READ MORE

Jul 12, 2019 in Python by Arvind
 • 3,040 points • 618 views
0 votes
0 answers

Convert columns into rows in R Data frame

Can we convert columns into rows in ...READ MORE

Jul 12, 2019 in Data Analytics by Anita
 • 1,504 views
0 votes
1 answer

Difference between summarise() and summarize() in R

summarise() and summarize() are synonyms. READ MORE

Sep 24, 2019 in Data Analytics by anonymous
 • 8,544 views
0 votes
1 answer

Why should I use Kubernetes?

With the advent of microservice architecture, users ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 925 views
0 votes
1 answer

How to rollback a deployment?

Applying changes to a Deployment process with ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 867 views
0 votes
1 answer

How to determine what is the status of a deployment ?

You could use kubectl get deployment <deployment>.  If ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 480 views
0 votes
1 answer

How does DNS work in kubernetes?

DNS is a built-in service in Kubernetes. ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 1,092 views
0 votes
1 answer

Cherrypy vs. Apache/mod_wsgi

In my experience the best performance is ...READ MORE

Jul 12, 2019 in Python by SDeb
 • 13,300 points • 1,074 views
0 votes
2 answers

Finding local IP addresses using Python's stdlib

import socket s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s ...READ MORE

Mar 30, 2020 in Python by anonymous
 • 2,653 views
0 votes
1 answer

How to build a high availability cluster in Kubernetes?

Add nodes in a HA cluster in ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
 • 59,230 points • 954 views
0 votes
0 answers

Show different shapes wrt a field in a scatter chart in R

Hi, I'm new to R. I want ...READ MORE

Jul 12, 2019 in Data Analytics by lydia
 • 340 views
0 votes
1 answer

Split plot into multiple plots corresponding to each value of the field in R

Use facet_grid() and pass the field to ...READ MORE

Nov 4, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 1,613 views
0 votes
2 answers

How to set up Map and Reduce Tasks?

Hi, The number of map tasks for a ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Rashi
 • 1,878 views
0 votes
0 answers

I got fatal: protocol error: bad line length character: <htm fatal: the remote end hung up unexpectedly when i push my commit

My Project(in .Net) is big in size ...READ MORE

Jul 12, 2019 in Git & GitHub by praveen kumar jha
 • 4,254 views
0 votes
1 answer

How does Kubernetes simplify containerized application deployment process?

A application deployment requires , web tier ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
 • 59,230 points • 1,251 views
0 votes
1 answer

What is a Kubelet?

Each node runs services to run containers ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
 • 59,230 points • 1,597 views
0 votes
1 answer

Kubernetes Objects and Workloads.

Kubernetes object model provides set of features ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
 • 59,230 points • 755 views
0 votes
1 answer

How can I solve this flowchart using UiPath Studio?

Hi RS, I tried to create a ...READ MORE

Jul 12, 2019 in RPA by Abha
 • 28,140 points • 1,238 views
0 votes
1 answer

How does AWS Lambda work?

AWS Lambda is  an Amazon service which ...READ MORE

Jul 11, 2019 in Cloud Computing by ArchanaNagur
 • 2,360 points • 672 views
0 votes
1 answer

What are generators in Python?

There are two terms involved when we ...READ MORE

Jul 11, 2019 in Python by Neel
 • 3,020 points • 575 views
0 votes
1 answer

How to get permutations of list or a set in Python?

Permutation is an arrangement of objects in ...READ MORE

Jul 11, 2019 in Python by Neel
 • 3,020 points • 8,591 views
0 votes
1 answer

Working of map function on data

The map function creates an array of ...READ MORE

Jul 11, 2019 in Apache Spark by Krish
 • 699 views
0 votes
1 answer

Unable to Locate WinUtils Library in Hadoop binary path.

If you are facing this problem while running a ...READ MORE

Jul 11, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,830 views
0 votes
1 answer

How to input optional arguments in python command line?

Please use this code. if len(sys.argv) == 2: first_log ...READ MORE

Jul 11, 2019 in Python by Suri
 • 7,176 views
0 votes
1 answer

Primary keys in apache Spark

from pyspark.sql.functions import monotonically_increasing_id df.withColumn("id", monotonically_increasing_id()).show() Verify the second ...READ MORE

Jul 11, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,091 views
0 votes
1 answer

How to remove duplicate records from Hive table?

A record is duplicate if there are ...READ MORE

Jul 11, 2019 in Big Data Hadoop by Bhuvan
 • 9,323 views
0 votes
1 answer

Spark error: Caused by: java.lang.RuntimeException: The root scratch dir: /tmp/hive on HDFS should be writable.

Give  read-write permissions to  C:\tmp\hive folder Cd to winutils bin folder ...READ MORE

Jul 11, 2019 in Apache Spark by Rajiv
 • 7,054 views
0 votes
1 answer

Is fetching data from apache flume webcrawling?

Web crawling is a program or automated ...READ MORE

Jul 11, 2019 in Apache Spark by Esha
 • 747 views
0 votes
1 answer

Why do we use sc.parallelize?

Spark revolves around the concept of a ...READ MORE

Jul 11, 2019 in Apache Spark by Suman
 • 13,129 views
0 votes
1 answer

Hive: ParseException line 5:20 missing EOF at '.' near

In the stored as parameter, you have specified the ...READ MORE

Jul 11, 2019 in Big Data Hadoop by Kim
 • 16,865 views
0 votes
1 answer

What all components is the Master server in Kubernetes made up of?

Kubernetes is a combination of multiple parts ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
 • 59,230 points • 1,135 views
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