DevOps Scenarios

• Using a hyperloglog for dupe checking
• Looking to contribute to Enhanced Old Build Discarder github repo(@taskan)
• 
  

Sentiment Analysis

As part of the fastest growing digital practice  with the latest advanced analytics, machine learning, and big data technologies to extract meaning and value from data in a number of different industries:

• Media & Entertainment
• High Tech
• Automotive
• Consumer Products & Retail
• Industrial Products
• Manufacturing
• Telecom
• Aerospace & Defense and Energy & Utilities.

The AI & Analytics group is the fastest growing digital practice, and   as part of the AI & Analytics group, you will have to work in a collaborative environment  with internal and client resources to understand key business goals, build solutions, and present findings to client executives while solving real-world problems.

Must learn  :

• Deep learning methods in NLP & Computer Vision
• Sentiment analysis
• Topic Modeling and Graph Theory and databases.

Data Modelling Platforms:

• Azure AutoML
• SageMaker
• DataBricks
• DataRobot and H2O.ai

Data Distributed Programming Languages & eco systems :

• Spark
• Hadoop
• mapReduce
• Pig
• Kafka

Build some white papers on below :

• Predictive analytics models.
• Prescriptive analytics models.

ugp

Web Services Interview Questions

Web Services Interview Questions

1) How WSDL file is validated?

2) What is @RequestBody and @ResponseBody annotation used?

3) What is REST url?
Ans) Format
/<context-path>/<resource-path>/<id>
     Example:
             /Hello/customers/1

4) How exceptions are handled in REST style?
Ans) The exception are handled using http error status codes ranges between 400 and 599.

5) What are the differences between SOAP style and REST styles?
6) When to go for REST style and when to go for SOAP style?
7) How to consume resources in Spring?

Ans) By using RestTemplate class

8) How to consume service?
       
        Ans) Get wsdl file from provider.
                 Generate stubs using WS tools
                 Create request obj and pass to business method which is invoked on stub obj.

9) How to generate stubs and skeletons?


10) How we can manage state in REST in real time? In any finance or telecom application.

11) How and where rest used https protocol?

12) How to convert legacy web service into rest?

13) Which one is more secure?

14) How to implement security in Webservices both SOAP/REST?

15) If we want to see wsdl file, we are appending ‘?wsdl’ to url, we should not show wsdl to end user with url. How can we achieve this?

16) How to Secure Rest Web Service?

17) What is mustUnderstand attribute in soap?

18) What is the difference between JMS and Web services?
19) What is difference between RPC and Document?
20) How to test multiple web services?
21) What are the characteristics of good rest web services?
22) How to encrypt wsdl from url?
23) How to prevent un authorized consumer?
24) What is the mechanism to count unauthorized hits?


Other useful links

http://www.tutorialspoint.com/webservices/webservices_interview_questions.htm
http://javahungry.blogspot.com/2015/07/web-services-interview-questions-and-answers.html
http://www.javatpoint.com/web-services-interview-questions
http://career.guru99.com/top-50-web-services-interview-questions/
http://javarevisited.blogspot.in/2012/01/rest-web-services-framework-interview.html

Sentimental Analysis - Data Mining

sentimental analysis

JAX-RS Api

• JAX-RS Annotations.
• JAXRS-JAXB.
• JAXRS-JSON.
• JAX-RS Injection.
• Response and Response Builder.
• Exceptions.
• RESTEasy, Jersey, Apache CXF.
• Postman.
• SOAP UI.