Tag 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

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

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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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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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

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

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

Having Issue How To Order Streamed Dataframe ?


A few days ago, i have to perform aggregation on streaming dataframe. And the moment, i apply groupBy for aggregation, data gets shuffled. Now the situation arises how to maintain order? Yes, i can use orderBy with streaming dataframe using … Continue reading

Posted in Apache Kafka, apache spark, big data, Scala, Spark, Streaming | Tagged , , , , , , , , , , | 2 Comments

Did Someone Say Java 9 ??


In our previous blog , we discussed the features that were added in Java 8. More than three years after the release of Java 8, the next version is now just around the corner with a tentative release date of … Continue reading

Posted in Java, modularity, Scala | Tagged , , , , | 7 Comments

Like Java 7 ? Then You Are Going to Love Java 8 !!


JAVA 8 (aka jdk 1.8) is a major release of JAVA programming language development. With the Java 8 release, Java provided support for functional programming, new JavaScript engine, new APIs for date time manipulation, new streaming API, etc. which will … Continue reading

Posted in Functional Programming, Java | Tagged , , , , , , | 8 Comments