Trending questions in Edureka Community

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When is the reduce tasks start in Hadoop?

Let me explain you the whole scenario. ...READ MORE

May 22, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,604 views
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2 answers

How a static map can be initialized?

public class Test { ...READ MORE

Sep 12, 2018 in Java by Sushmita
 • 6,920 points • 1,983 views
+2 votes
3 answers

How do I deploy Scala PlayFramework Project to IBM Bluemix

It seems that they are more than ...READ MORE

Oct 18, 2018 in DevOps on Cloud by lina
 • 8,220 points • 2,261 views
0 votes
1 answer

Serverspec doesn't check package version correctly

Specinfra is escaping the characters in the with_version chain ...READ MORE

Aug 2, 2018 in DevOps Tools by Kalgi
 • 52,340 points • 2,160 views
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1 answer

Docker in Docker permissions error

Personally, i've just had to do this ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,340 points • 1,629 views
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2 answers

Can't access apache karaf docker container

To access karaf shell directly you can ...READ MORE

Aug 6, 2018 in Docker by Nilesh
 • 7,060 points • 3,431 views
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3 answers

Cloudera Hadoop - Daemons not running

Please run below mentioned command. It will ...READ MORE

Aug 7, 2018 in Big Data Hadoop by Priyaj
 • 58,020 points • 3,850 views
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3 answers

How to check whether a string is empty or not? Is there a function for this?

str != null && str.length() != 0 alternatively str ...READ MORE

Sep 11, 2018 in Java by Sushmita
 • 6,920 points • 2,639 views
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1 answer

Python: list of lists

Lists are a mutable type - in ...READ MORE

Aug 2, 2018 in Python by bug_seeker
 • 15,520 points • 1,492 views
0 votes
1 answer

Converting commands recorded in selenium IDE into Java

Yes, it is possible to do this. ...READ MORE

Jun 25, 2018 in Selenium by Meci Matt
 • 9,460 points • 3,132 views
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1 answer

When do reduce tasks start in Hadoop?

The reduce phase has 3 steps: shuffle, ...READ MORE

Jul 27, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,772 views
0 votes
1 answer

While using next() or nextfoo() , the upcoming nextLine() is skipped by scanner

That's because the Scanner.nextInt method does not ...READ MORE

Jun 6, 2018 in Java by mitto
 • 160 points • 3,948 views
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1 answer

Deploy my Windows 10 IOT core application locally!

Of course, you, can! That is, in ...READ MORE

Jul 17, 2018 in IoT (Internet of Things) by nirvana
 • 3,090 points • 2,173 views
0 votes
1 answer

A strange spark ERROR on AWS EMR

Those warning messages can be suppressed by ...READ MORE

Jul 13, 2018 in AWS by Flying geek
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1 answer

Building a particular tenant in hybris

There isn't an in-built option to only ...READ MORE

Aug 1, 2018 in DevOps & Agile by DareDev
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1 answer

Where to store credentials for devops?

You can use any of the various ...READ MORE

Jul 23, 2018 in Git & GitHub by Kalgi
 • 52,340 points • 1,912 views
+4 votes
3 answers

What type of database is blockchain?

Blockchain is a distributed database. what makes ...READ MORE

Mar 30, 2018 in Blockchain by Christine
 • 15,750 points • 2,441 views
+1 vote
1 answer

Can there be multiple Hyperledger Fabric CA servers in the same blockchain?

Yes, you can run multiple CA servers ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 3,027 views
0 votes
1 answer

What is the Python equivalent for a case/switch statement?

if x == 'a':  # Do the ...READ MORE

Jul 26, 2018 in Python by Priyaj
 • 58,020 points • 1,781 views
0 votes
1 answer

What Is AWS fargate?

AWS Fargate is a compute engine for ...READ MORE

Aug 7, 2018 in Cloud Computing by code_ninja
 • 6,300 points • 1,257 views
0 votes
1 answer

npm hfc@0.6.2 not properly installing

this is harmless, the hfc module should ...READ MORE

Jul 24, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,890 views
0 votes
1 answer

AWS: Can someone tell about importance of Well Defined Interfaces in Loose Coupling

Loose Coupling As application complexity increases, a desirable ...READ MORE

Jul 31, 2018 in Cloud Computing by Meci Matt
 • 9,460 points • 1,556 views
0 votes
4 answers

How can we compare dates in java?

public static String daysBetween(String day1, String day2) ...READ MORE

Sep 5, 2018 in Java by Sushmita
 • 6,920 points • 2,708 views
0 votes
1 answer

How to identify a deadlock in SQL Azure?

Monitoring of SQL Azure is more limited ...READ MORE

Jun 19, 2018 in Azure by club_seesharp
 • 3,450 points • 3,361 views
0 votes
1 answer

How to enable WebGL if i'm using headless chrome on Ubuntu?

Use this on Chrome for using osmesa sudo ...READ MORE

May 30, 2018 in Selenium by sniffy_god
 • 780 points • 4,263 views
0 votes
1 answer

deleting pods using kubernetes replication controller

The pods which are managed by ReplicationController ...READ MORE

Jul 24, 2018 in Kubernetes by DareDev
 • 6,890 points • 1,859 views
0 votes
1 answer

How to add to the python path in Windows?

You know what has worked for me ...READ MORE

Jul 25, 2018 in Python by Frankie
 • 9,830 points • 1,806 views
0 votes
1 answer

Reverse a string in Python

How about: >>> 'hello world'[::-1] 'dlrow olleh' This is ...READ MORE

Aug 1, 2018 in Python by Priyaj
 • 58,020 points • 1,511 views
0 votes
1 answer

Orphaned Docker mounted host volumes?

For Docker 1.9 and up there's a ...READ MORE

Jul 31, 2018 in DevOps & Agile by Kalgi
 • 52,340 points • 1,547 views
0 votes
2 answers

PCA model in R

Principal component analysis (PCA) is routinely employed on ...READ MORE

Jul 19, 2018 in Data Analytics by zombie
 • 3,790 points • 2,079 views
0 votes
1 answer

Returning null element when using following and preceding XPath selector

To identify the <input> tag with respect to the <label> tag ...READ MORE

Jun 8, 2018 in Selenium by Samarpit
 • 5,910 points • 3,839 views
0 votes
1 answer

I am having problem with Apache as it cant restart because it already uses its port

Here is what you can do. Free ...READ MORE

Jul 25, 2018 in DevOps Tools by Atul
 • 10,240 points • 1,801 views
0 votes
2 answers

What is null in java?

"null" is a reference type and its ...READ MORE

Jul 31, 2018 in Java by Mrunal
 • 680 points • 1,802 views
0 votes
1 answer

What does High Availability Zone exactly mean?

It is best practice to replicate the ...READ MORE

Jul 31, 2018 in Cloud Computing by Gopalan
 • 1,360 points • 1,545 views
0 votes
1 answer

How can I remove/hide/disable excessive HTTP response headers in Azure/IIS7 without having to use UrlScan?

MSDN published an article on how to ...READ MORE

May 22, 2018 in Azure by club_seesharp
 • 3,450 points • 4,596 views
0 votes
2 answers

Is there a way to copy AMI from one AWS account to another AWS account using boto?

You could share the AMI from one ...READ MORE

Aug 21, 2018 in Cloud Computing by Priyaj
 • 58,020 points • 3,248 views
0 votes
1 answer

How to get Spark dataset metadata?

There are a bunch of functions that ...READ MORE

Apr 26, 2018 in Apache Spark by kurt_cobain
 • 9,350 points • 5,692 views
0 votes
1 answer

How can I change endorsement policies in hyperledger?

Well the good news is that it ...READ MORE

Jul 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,088 views
0 votes
1 answer

How can Hadoop discover missing or corrupt HDFS data?

HDFS supports fsck command to check for ...READ MORE

Jul 19, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,061 views
0 votes
1 answer

Setting-up a RFID RC522 chip in Raspberry Pi?

First, let me congratulate you on buying ...READ MORE

Jul 10, 2018 in IoT (Internet of Things) by nirvana
 • 3,090 points • 2,567 views
0 votes
1 answer

Error while trying to create dir if missing: mkdir /var/hyperledger: permission denied

The following commands should help: sudo mkdir -p ...READ MORE

Jul 6, 2018 in Blockchain by Christine
 • 15,750 points • 2,618 views
0 votes
1 answer

How to stop all stack operations currently running in cloud formation?

When I run a creation I can't ...READ MORE

Aug 1, 2018 in Cloud Computing by Gopalan
 • 1,360 points • 1,496 views
0 votes
1 answer

Building Hyperledger Fabric Blockchain

To build your own app using Hyperledger ...READ MORE

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,147 views
0 votes
1 answer

Database Repair Options in Cassandra

Anti Entropy: Anti-entropy Repair is a process of ...READ MORE

Jun 28, 2018 in Database by kurt_cobain
 • 9,350 points • 2,961 views
0 votes
1 answer

Python 'If not' syntax

Yes, if bar is not None is ...READ MORE

Aug 1, 2018 in Python by Priyaj
 • 58,020 points • 1,491 views
0 votes
1 answer

What are the limitations of AWS lambda?

You can get a brief knowledge about ...READ MORE

Aug 9, 2018 in Cloud Computing by Priyaj
 • 58,020 points • 1,630 views
+1 vote
1 answer

concat() vs “+” operator : In Java for String concatenation

Basically, there are two important differences between ...READ MORE

Apr 27, 2018 in Java by Rishabh
 • 3,600 points • 5,581 views
0 votes
2 answers

Parquet Files Advantages

Parquet is a columnar format supported by ...READ MORE

Jul 4, 2018 in Apache Spark by zombie
 • 3,790 points • 2,950 views
0 votes
1 answer

What is the purpose of self?

The reason you need to use self. ...READ MORE

Aug 3, 2018 in Python by Priyaj
 • 58,020 points • 1,397 views
0 votes
1 answer

Synchronizing sqoop imported data in HDFS

Data can be synchronised using incremental parameter ...READ MORE

Jul 19, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,047 views
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