Trending questions in Edureka Community

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How to install and configure a multi-node Hadoop cluster?

I would recommend you to install Cent ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
• 13,310 points
698 views
0 votes
1 answer

Building Random Forest on a data-set comprising of missing(NA) values

You have two options, either impute the ...READ MORE

Apr 2, 2018 in Data Analytics by Bharani
• 4,550 points
169 views
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How to create a new wallet on a blockchain?

Firstly, you need to have a clear ...READ MORE

Apr 4, 2018 in Blockchain by Christine
• 15,790 points
90 views
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1 answer

Join list of data.frames using map() call

You can use Reduce set.seed(24) r1 <- map(c(5, 10, 15), ...READ MORE

Apr 5, 2018 in Data Analytics by darklord
• 6,170 points
28 views
+1 vote
1 answer

How do I create a relationship between list of suppliers and a single order in Hyperledger Composer

Is your transaction actually called 'OrderPlaced' (in ...READ MORE

Mar 28, 2018 in Blockchain by Johnathon
• 9,080 points
336 views
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1 answer

When hadoop-env.sh will be executed in hadoop

Yes you need to put in the ...READ MORE

Apr 3, 2018 in Big Data Hadoop by kurt_cobain
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112 views
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How to use a function to repeat a set of procedures on specific set of columns in a data frame?

You can parse the strings to symbols. ...READ MORE

Apr 3, 2018 in Data Analytics by kappa3010
• 2,020 points
105 views
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1 answer

If a different chaincode deployed a world state variable, is it still accessible by another chaincode?

No, variables stored by some chaincode (A) ...READ MORE

Apr 4, 2018 in Blockchain by Perry
• 17,020 points
60 views
+1 vote
1 answer

How does different blockchains differs on the basis of protocols?

Blockchain platforms differs in more than many ...READ MORE

Apr 3, 2018 in Blockchain by Shashank
• 10,350 points
50 views
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Avro - Getting Started

Refer to the example given here. It's ...READ MORE

Apr 4, 2018 in Big Data Hadoop by nitinrawat895
• 10,730 points
51 views
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Error running hadoop mapreduce in Python using Hadoop Streaming

I was trying a sample mapredyce code ...READ MORE

Apr 2, 2018 in Big Data Hadoop by nitinrawat895
• 10,730 points
167 views
+2 votes
1 answer

What are the difference between various Hyperledger Projects?

Hyperledger incubates a plethora of business blockchain ...READ MORE

Mar 26, 2018 in Blockchain by Perry
• 17,020 points
359 views
0 votes
1 answer

What OS is Jenkins installed on Azure Virtual Machine?

Under Managed Jenkins there's a section called ...READ MORE

Apr 4, 2018 in DevOps & Agile by DareDev
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47 views
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Web Service with WebSocket Implementation on AWS Blue-green deployment

Try connection draining. It will send all ...READ MORE

Apr 2, 2018 in DevOps & Agile by DareDev
• 6,810 points
136 views
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How can I use parallel so that it preserves the list of data frames

You can use pmap as follows: nc <- ...READ MORE

Apr 4, 2018 in Data Analytics by kappa3010
• 2,020 points
41 views
+1 vote
1 answer

centos7 container is restarting again & again itself

Usually Containers stop once their main process ...READ MORE

Apr 3, 2018 in DevOps & Agile by shubham
• 6,890 points
51 views
+1 vote
1 answer

How is Blockchain used for provenance purposes?

Let me tell you how Blockchain could ...READ MORE

Apr 3, 2018 in Blockchain by Shashank
• 10,350 points
37 views
0 votes
1 answer

Selecting a sublist with purrr

Yes, purrr does provide a package called ...READ MORE

Apr 4, 2018 in Data Analytics by Bharani
• 4,550 points
44 views
0 votes
1 answer

How to sync Hadoop configuration files to multiple nodes?

For syncing Hadoop configuration files, you have ...READ MORE

Jun 21, 2018 in Big Data Hadoop by HackTheCode
200 views
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1 answer

Selenium Type method test method failed

In this matter ur 1st paramter should ...READ MORE

Apr 3, 2018 in Selenium by Shubham
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84 views
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1 answer

Maven pom.xml file issue USING SELEINUM WebDriver using Firfox

You don't need to change anything in ...READ MORE

Apr 3, 2018 in Selenium by ned_crew
• 1,620 points
83 views
0 votes
1 answer

Will hadoop replace data warehousing?

Mostly the answer is yes hadoop is ...READ MORE

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
• 9,260 points
27 views
0 votes
1 answer

Dropdown to change x-axis in Tableau

You need to create a  str datatype parameter ...READ MORE

Apr 3, 2018 in Tableau by QueenBee
• 1,810 points
64 views
0 votes
1 answer

Examples of real world big data open source applications

If you are looking for big data ...READ MORE

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
• 9,260 points
26 views
0 votes
1 answer

Tableau Desktop- Tableau Server

No, you don't necessarily need to purchase ...READ MORE

Apr 3, 2018 in Tableau by QueenBee
• 1,810 points
61 views
0 votes
1 answer

Why does my yarn application not have logs even with logging enabled?

yarn application -list command shows you all ...READ MORE

Mar 19, 2018 in Big Data Hadoop by kurt_cobain
• 9,260 points
793 views
0 votes
1 answer

How to use tableau to searh for text within entire data

You can use a pivot table in ...READ MORE

Apr 4, 2018 in Tableau by xyz
• 1,550 points
66 views
0 votes
1 answer

How to replace NA with 0 using starts_with()

Well I could suggest various options such ...READ MORE

Apr 3, 2018 in Data Analytics by darklord
• 6,170 points
64 views
+1 vote
1 answer

Security Properties of Hash Functions

The difference is indeed subtle. I understood ...READ MORE

Mar 26, 2018 in Blockchain by Johnathon
• 9,080 points
344 views
0 votes
1 answer

With the help of tidyverse: how to rename a column to a variable name

With the help of Dplyr: rename function ...READ MORE

Apr 3, 2018 in Data Analytics by DeepCoder786
• 1,720 points

edited Apr 3, 2018 by DeepCoder786 49 views
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Want to get active connections in LDAP in command prompt

You can track the active connections which ...READ MORE

Apr 3, 2018 in DevOps & Agile by shubham
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edited Apr 3, 2018 by shubham 44 views
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Why we are configuring mapred.job.tracker in YARN?

I really dont know the reason behind ...READ MORE

Mar 29, 2018 in Big Data Hadoop by Ashish
• 2,630 points
250 views
+1 vote
1 answer

I am unable to change port of composer-rest-server. Please help!

Use full format for running a business ...READ MORE

Mar 27, 2018 in Blockchain by Christine
• 15,790 points
308 views
0 votes
1 answer

How to change mulitiple characters in a column to a date

Firstly we have to set dataf variable ...READ MORE

Apr 3, 2018 in Data Analytics by DeepCoder786
• 1,720 points
41 views
0 votes
1 answer

Can't find an element Using Selenium

The reason you can't locate the item ...READ MORE

Mar 26, 2018 in Selenium by nsv999
• 5,110 points
370 views
0 votes
1 answer

Connection failed to Ethereum Ropsten Testnet network.

 It looks like your node isn't syncing ...READ MORE

Mar 27, 2018 in Blockchain by Christine
• 15,790 points
332 views
0 votes
1 answer

How to practice programming with Hadoop?

Well there are multiple ways to solve ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
• 9,260 points
221 views
0 votes
1 answer

Hover text shows numbers in decimal points

Do this: 1. Right click on the calculated ...READ MORE

Apr 2, 2018 in Tableau by QueenBee
• 1,810 points
35 views
0 votes
1 answer

Xpath element not found

You need to induce WebDriverWait with expected_conditions ...READ MORE

Mar 27, 2018 in Selenium by ned_crew
• 1,620 points
300 views
0 votes
1 answer

How to Replicate the Artifacts between two Jfrog Artifactories by using CURL or jfrog rt (Rest API)

Yes and no, It's a bit complex ...READ MORE

Mar 26, 2018 in DevOps Tools by Atul
• 10,240 points
329 views
+1 vote
1 answer

Challenge while setting up Hyperledger Fabric 1.0 in Ubuntu 16.04

The rocksdb error you are coming across ...READ MORE

Mar 27, 2018 in Blockchain by ned_crew
• 1,620 points
261 views
+1 vote
1 answer

What is Ethereum Blockchain? Where is it being used?

Blockchain is a decentralized distributed database of immutable records, ...READ MORE

Apr 2, 2018 in Blockchain by Christine
• 15,790 points
63 views
0 votes
1 answer

Using "dplyr" to summarise multiple columns

You can use the "sumamrise_all()" function for ...READ MORE

Mar 26, 2018 in Data Analytics by Bharani
• 4,550 points
310 views
+1 vote
1 answer

How does the geth ethereum platform automatically connect to the nodes that are in the main network of Ethereum?

When you start with Geth you need ...READ MORE

Mar 28, 2018 in Blockchain by Perry
• 17,020 points
158 views
0 votes
1 answer

Is Kafka and Zookeeper are required in a Big Data Cluster?

Apache Kafka is one of the components ...READ MORE

Mar 22, 2018 in Big Data Hadoop by nitinrawat895
• 10,730 points
443 views
+1 vote
1 answer

In the Hyperledger Fabric architecture where is the SDK hosted?

Hyperledger client SDK is a component used ...READ MORE

Mar 27, 2018 in Blockchain by Christine
• 15,790 points
191 views
+3 votes
1 answer

Unable to find the TargetArguments path While configuring dot cover in VSTS

For your unable to find the TargetArguments ...READ MORE

Mar 27, 2018 in DevOps & Agile by ajs3033
• 7,280 points
107 views
0 votes
1 answer

How to find a list of elements that end with a particular string by using Selenium with Ruby

The problem is that, the end_with method ...READ MORE

Mar 27, 2018 in Selenium by nsv999
• 5,110 points
223 views
+1 vote
1 answer

Blockchain - Virtual box is set up and error while executing Hyperledger example from github

The challenge you are facing is mostly ...READ MORE

Mar 27, 2018 in Blockchain by Gabriel
• 680 points
185 views
0 votes
1 answer

How can I create a new user using ansible ploybook?

You're switching from the root user. Root ...READ MORE

Mar 29, 2018 in Ansible by DareDev
• 6,810 points
132 views