Category Archives: Reactive

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 , , | 2 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 , , , , , , , , , , , , | 1 Comment

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

Playing Gravatar: A basic example to generate gravatar using email address with Play Framework


Playing Gravatar Image In this blog I have created a basic example to generate gravatar using email address with Play Framework Gravatar: An “avatar” is an image that represents you online—a little picture that appears next to your name when … Continue reading

Posted in Akka, Gravatar, Java, JavaScript, Play Framework, Reactive, Scala | Tagged , , , , , , | 1 Comment

Tutorial #3: Getting started with HTTP Programming in Play Framework


We have already discussed about the Play development environment in Tutorial #1 and use of WebJars, jQuery, Bootstrap & Bootswatch with Play in Tutorial #2 So, In this blog we would discuss about HTTP programming in Play Framework which would … Continue reading

Posted in Akka, Future, Play Framework, Reactive, Scala, Tutorial, Web | Tagged , , , , , , , , , | 3 Comments

Playing MultipartFormData: A basic example to handle and test MultipartFormData request in Play Framework 2.3.8


Playing MultipartFormData The following blog and attached code represent an example to upload file using MultipartFormData request and Testing it into Play Application. A basic example to handle and test MultipartFormData request in Play Framework 2.3.8 The standard way to upload … Continue reading

Posted in JUnit, Mockito, MultipartFormData, Play Framework, Reactive, Scala, Specification, specs2, Test, Tutorial, Web | Tagged , , , , , , , , , , , , , | 5 Comments

Knolx : Logging with Logback in Scala


In this presentation, I have explained brief introduction about logback and its components. I also explained about configuration of logback.xml file, appenders as File and SMTP.

Posted in Java, Play Framework, Reactive, Scala | 6 Comments

Play with Reactive Slick: A Simple CRUD application in Play! framework using Slick 3.0


Recently Typesafe released Slick 3.0.0-RC1, the first release candidate for “Reactive Slick”. Reactive Slick has many new features like Support for Reactive Streams API, a new API for composing and executing database actions and many more. Before moving forward, we recommended you … Continue reading

Posted in Agile, Future, Non-Blocking, Play Framework, Reactive, Scala, Slick, Web | Tagged , , , , | 18 Comments