Category Archives: Functional Programming

Back2Basics: For Expression Served From Scala Magic Box – I.


In Scala, lots of the things are kind of a magic for Java developers. Sometimes this magic amazes the code but sometimes it has ruined the developer’s life. Today we are going to discuss one of the magic called “For … Continue reading

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Back2Basics: Pass-By-Name and HOF in Scala argue as a Husband And Wife.


Scala has lots of features and one of the features always confused me called “pass-by-name” argument.  For me pass by name is same as “higher-order-function” but different from just syntax otherwise everything is same. While googling out for their difference, I … Continue reading

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Exploring the Real Power of Functional Programming


We have been programming with object-oriented technology for quite a while. But now we are moving away from it. Functional Programming is getting lot of attention nowadays. Even every mainstream language is now supporting functional style i.e Java, C++, C# … Continue reading

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Back2Basics: Do you know Scala Eta-Expansion and HOF Chemistry?


I am working on Scala from last 2 years, and pretty confident about Scala concept like HOF, Currying and more. But Recently again looking into the HOF (Higher Order Functions) in Scala. I am pretty confident, HOF is “Passed a … Continue reading

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Knolx: Introduction to Algebird: Abstract Algebra for Analytics


Hello everyone, Knoldus organized a session on 6th October 2017. The topic was “Introduction To Algebird”. Many people attended and enjoyed the session. In this blog post, I am going to share the slides & video of the session.

Posted in Best Practices, big data, Functional Programming, knoldus, Scala | 1 Comment

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

Let’s dive deep into Apache Ignite


Let’s first have some basic understanding of Apache Ignite and then we will look more into its life cycle with the help of a demo application. Apache Ignite is an in-memory computing platform that is durable strongly consistent and highly … Continue reading

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Are you using Scala Collection efficiently?


In this blog, We will be going to explore how we can use scala collections efficiently . Though, we are taking care of immutability but still something more can be done to make your code more readable and faster. List … Continue reading

Posted in Functional Programming, Scala, scaladays | Tagged , , , | 3 Comments

Case Study to understand Kafka Consumer and its offsets


In this blog post, we will discuss mainly Kafka Consumer and its Offsets. We will understand this using a case study implemented in Scala. This blog post assumes that you are aware of basic Kafka terminology. CASE STUDY: The Producer … Continue reading

Posted in Apache Kafka, big data, Functional Programming, knoldus, Scala, Streaming | 4 Comments