Tag Archives: scala

Hyperledger Fabric Certificate Authority(CA)


Every operation in Hyperledger must be signed cryptographically with certificates. You can generate certificates yourself using OpenSSL or by using third party. Before moving further into details of CA lets first explore Hyperledger Fabric a little. 😉 Hyperledger Fabric Hyperledger … Continue reading

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Apache Hadoop vs Apache Spark


The term Big Data has created a lot of hype already in the business world. Hadoop and Spark are both Big Data frameworks – they provide some of the most popular tools used to carry out common Big Data-related tasks. … Continue reading

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Assimilation of Spark Streaming With Kafka


As we know Spark is used at a wide range of organizations to process large datasets. It seems like spark becoming main stream. In this blog we will talk about Integration of Kafka with Spark Streaming. So, lets get started. How Kafka … Continue reading

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Scala Coding Style Guide:- InShort


We all are using the Scala for a very long time now and sometimes we miss some guidelines for writing the Scala code, well this blog guide you through some common Scala coding styles. Lets get started. Indentation:- Scala follows … Continue reading

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DATA PERSISTENCE IN LAGOM


Are you finding it difficult to understand lagom persistence? Don’t worry because help is right here. In this blog, we will learn about lagom’s persistence with the help of a simple application and also discuss its theoretical aspects. Before we … Continue reading

Posted in Cassandra, database, Microservices, NoSql, Scala | Tagged , , , , , , , , | 5 Comments

Creating GraphQl API with Sangria


Sangria is a library that processes the graphQL queries coming to the server and pass on the object to business layer of the application, which mostly further queries database to get information which sangria passes on as response to the … 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 , , , | 2 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

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What’s new in Apache Spark 2.2


Apache recently released a newer version of Spark i.e Apache Spark2.2. The new version comes with new improvements as well as the addition of new functionalities. The major addition to this release is Structured Streaming. It has been marked as production … Continue reading

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Scripting Library in Scala – Ammonite


Ammonite is a Scala library that lets us use Scala language for Scripting. It allows us to write scripts in Scala. The advantage of using Ammonite is that we don’t have to switch over to Python or Bash for scripting … Continue reading

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