Category Archives: Reactive

Knolders review of #venkat_50_50_tour at #DelhiJUG17 meetup


Dr. Venkat Subramaniam celebrates his 50th anniversary with distributing his smiles throughout the world’s Java User Groups (JUG) meetups, conferences, and events. Recently, he was in India and Delhi-NCR Java User Group organized one stop meetup for him. Needless to say, core to our … Continue reading

Posted in event, Functional Programming, Java, Reactive | Tagged , , , , , , , , , , , | 3 Comments

One-way & two-way streaming in a Lagom application


Now a days streaming word is a buzz word and you should have heard many types of streaming till now i.e. kafka streaming, spark streaming etc etc. But in this blog we will see a new type of streaming i.e … Continue reading

Posted in Akka, Best Practices, big data, Functional Programming, github, Java, knoldus, Messages, Reactive, Scala, Streaming, Web Services | 1 Comment

Reactors IO: Actors Done Right


Hi all, Knoldus has organized a 30 min session on 1st  September 2017 at 4:15 PM. The topic was Reactors IO. Many people have joined and enjoyed the session. I am going to share the slides here. Please let me know … Continue reading

Posted in Functional Programming, Java, Reactive, Scala | Tagged , , , , | 1 Comment

Reactors.IO: Actors Done Right


In our previous blog, we tried to explore the upcoming version of i.e Java 9. So this time we try to focus on Scala . In This Blog , We will be Looking onto a New Reactive programming framework for … Continue reading

Posted in Functional Programming, Reactive, Scala | Tagged , , , , | 2 Comments

How data is handled between Components in React (State vs Props)


Prerequisites : Basic understanding of React. Here’s a blog you can refer to : Getting Started with React PROPS Every component in react have a property called props associated to it. This lets you make a single component that is … Continue reading

Posted in JavaScript, React, Reactive, ReactJS | Tagged , , , , , | 2 Comments

Forget It! Going Digital & You haven’t heard Reactive?


Today, you talk to any CIO, attend any CDO conference and it would have a track about going Digital. Digital transformation is a sought out area to invest … err … throw money. Without knowing how digital is going to help you and what is the technology stack that can allow you to go truly digital, I do not recommend any CIO/CDO to get into the ring. Continue reading

Posted in Reactive, Scala | Tagged , , | 3 Comments

Reverse engineering using Slick 3.2 and Scala


Sometime, we have requirements for create classes corresponding to the existing database or Sometimes, in our initial phase of project, we are going to design database and tables first, after that, we are going to create classes for mapping our … Continue reading

Posted in Functional Programming, Reactive, Scala, Slick | Tagged , , , , , , , , , , , , | 3 Comments

What to do for overriding the PureConfig behavior in Scala ?


PureConfig has its own predefined behavior for reading and writing to the configuration files, but sometimes we got the tricky requirement in which we need some specific behavior; for example to read the config. It is possible to override the … Continue reading

Posted in Agile, Best Practices, big data, knoldus, Reactive, Scala | 1 Comment

Building Analytics Engine Using Akka, Kafka & ElasticSearch


In this blog , I will share my experience on building scalable, distributed and fault-tolerant  Analytics engine using Scala, Akka, Play, Kafka and ElasticSearch. I would like to take you through the journey of  building an analytics engine which was primarily … Continue reading

Posted in Akka, akka-http, Amazon, Amazon EC2, Apache Kafka, Architecture, AWS, AWS Services, Batch, Best Practices, big data, Cassandra, database, Elasticsearch, Java, Non-Blocking, NoSql, Reactive, S3, Scala, Streaming, Web | 10 Comments

Getting started with ReactJS, Play 2.4.x, Scala, Anorm and WebJars


playing-reactjs This blog describes a basic example to render UI using React(A JavaScript library for building user interfaces) with Play 2.4.x, Scala, Anorm and WebJars. It also demonstrates the use of evolution in Play 2.4.x This is a classic CRUD … Continue reading

Posted in AJAX, Akka, Anorm, Bootstrap, Bootswatch, CSS, Future, JavaScript, jQuery, Play 2.4.X, Play Framework, React, Reactive, ReactJS, Scala, Tutorial, WebJars | Tagged , , , , , , , , , , , , , , , , , , , , | 3 Comments