Category Archives: Scala

Test Script Execution Recording using Selenium Webdriver


Everyone has known how to take the screenshot in selenium web driver but when we ask how to take a video recording of the test script in web driver, people have no idea. So here I describe how to capture … Continue reading

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Create Your Own MetastoreEvent Listeners in Hive With Scala


HIve MetaStore Event Listeners are used to Detect the every single event that takes place whenever an event is executed in hive, in case You want some action to take place for an event you can override MetaStorePreEventListener and provide it your own … 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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Getting Started With Phantom


Phantom is Reactive type-safe Scala driver for Apache Cassandra/Datastax Enterprise. So, first lets explore what Apache Cassandra is with some basic introduction to it. Apache Cassandra Apache Cassandra is a free, open source data storage system that was created at … Continue reading

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Introduction to Mesos


What is Mesos ? In layman’s term, Imagine a busy airport. Airplanes are constantly taking off and landing. There are multiple runways, and an airport dispatcher is assigning time-slots to airplanes to land or takeoff. So Mesos is the airport … Continue reading

Posted in Devops, Scala | Tagged , , , | 2 Comments

Jenkins | Problems you might face while pipe-lining!


I expect you to be familiar with basics of Jenkins. If you’re not please visit Introduction to Jenkins, this post will take you through very basics of Jenkins. What I want to introduce to you, are post setup type of things. … Continue reading

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Basic Example for Spark Structured Streaming & Kafka Integration


The Spark Streaming integration for Kafka 0.10 is similar in design to the 0.8 Direct Stream approach. It provides simple parallelism, 1:1 correspondence between Kafka partitions and Spark partitions, and access to offsets and metadata. However, because the newer integration … Continue reading

Posted in Scala, Spark, Streaming | Tagged , | 6 Comments

Welcome to the world of Riak Database !!!


Today we are going to discuss the Riak Database which is distributed NoSQL Database. In the current scenario, when there are a lot of data into the world, we can not go for the old technology for storing the data. … Continue reading

Posted in big data, database, NoSql, Scala | Tagged | 1 Comment

KNOLX : An Introduction to Jenkins


Hi all, Knoldus has organized a 30 min session on 18th August 2017 at 3:30 PM. The topic was “An Introduction to Jenkins”. Many people have joined and enjoyed the session. I am going to share the slides and the video of the session … Continue reading

Posted in Scala | 1 Comment

Introduction to Perceptron: Neural Network


What is Perceptron? In machine learning, the perceptron is an algorithm for supervised learning of binary classifiers. It is a type of linear classifier, i.e. a classification algorithm that makes its predictions based on a linear predictor function combining a … Continue reading

Posted in artificial neural network, machine learning, Scala | 1 Comment