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Getting Started with Vault

Nancy JainJuly 15, 2019July 16, 2019API's, Other, Scala, software, Tutorial, Web, Web Application#java, credential management, HasiCorp, Introduction, learning, opensource, programming, scala, Secret management, technology, vault, vault api, vault CLI, vault dev server

HashiCorp Vault is a secret management tool which provides a secure and reliable way to store secrets like passwords, access token, secret API key etc.

There are applications that need to interact with third party services and for that it needs various credentials. There are scenarios in which we need different credentials to process different requests. So, where will you store them? Can you really hard-code them and publish them to your sub-versioning tool? Ofcourse not. This is not a recommendable approach.

Scala: Extractors and Pattern Matching

Ayush HoodaJuly 9, 2019July 17, 2019Big Data and Fast Data, Functional Programming, Scalaextractors, Pattern Matching, scala, unapply

An extractor in Scala is an object which has an unapply method as one of its members. Often, the extractor object also defines a method apply for building values, but this is not required. An apply method is like a constructor which takes arguments and creates an object, the unapply method takes an object and tries to give back the arguments. The unapply method reverses the construction procedure of the Continue Reading

Scala 2.13: Has Scala done it again?

Anmol SarnaJuly 1, 2019July 1, 2019Functional Programming, Scala#new features, deprecations, functional programing, latest version, scala, scala 2.13, updates

The release of Scala 2.13 had been in talks for quite a long time, but it was finally released last month, i.e June 2019. With the release of this version, there are quite a few changes that Scala has brought for the users. With the intent of explaining some of the features that Scala has introduced/improved in its latest version I, Anmol Sarna, welcome back the Continue Reading

Take a deep dive into Kafka – Producer API

Jashan GoyalJune 27, 2019Apache Kafka, Big Data and Fast Data, Functional Programming, Scala, Tech BlogsAPI, data stream, kafka, kafka producer, scala

I am going to start a series of blogs on Kafka API. This blog is a part of the series. In the series of blogs In this blog, we are going to learn about Producer-API. If you are new to Kafka then I will recommend you to first get some basic idea about Kafka Quickstart from kafka-quickstart . There are many reasons an application might Continue Reading

Do you really need Spark? Think Again!

RamandeepJune 14, 2019Apache Spark, Big Data and Fast Data, Functional Programming, ML, AI and Data Engineering, Scala, Spark, Tech BlogsApache Spark, Big Data, Big Data Analytics, HDFS, scala, Spark Streaming, Spark with Scala

With the massive amount of increase in big data technologies today, it is becoming very important to use the right tool for every process. The process can be anything like Data ingestion, Data processing, Data retrieval, Data Storage, etc. Today we are going to focus on one of those popular big data technologies i.e., Apache Spark. Apache Spark is an open-source distributed general-purpose cluster-computing framework. Spark Continue Reading

A Basic CRUD Application Using ElasticSearch

Mahesh ChandApril 27, 2019June 19, 2019Elasticsearch, Scalaanalytic engine, crud, elasticsearch, scala

In our previous post Introduction To ElasticSearch, we talked about the basic terminology of elastic search and basic requests to create or delete an index, check the health status of the cluster, indices etc. In this post, we are going to talk about creating a basic CRUD application using DSL. Without waiting let’s get started. To create an application, first, create an SBT Project, add Continue Reading

How Scala interacts with MongoDB

Shubham DangareMarch 31, 2019March 31, 2019ScalaMongoDB, scala

As a definition, MongoDB is an open source database that uses a document-oriented data model and a non-structured query language. It is one of the most powerful NoSQL systems and databases around today. Being a NoSQL tool means it does not use the usual rows and columns that we so much associated with the relational database management. It is an architecture that is built on Continue Reading

Scala: Auxiliary Constructors – We are here to help!

Nancy JainMarch 30, 2019April 1, 2019ScalaAuxiliary constructors, Constructors in scala, Introduction, programming, scala, technology

Hi Everyone, In this blog, we will be discussing the constructors of the Scala. Constructor: A constructor is a special method of a class or structure in object-oriented programming that initializes an object of that type. A constructor is an instance method that usually has the same name as the class, and can be used to set the values of the members of an object, Continue Reading

The Scala Chronicles: PartialFunction

girdharshubhamMarch 28, 2019March 28, 2019Scalacase, PartialFunctions, scala, scalafp

If you’re new to programming in Scala(like I am), you must have heard someone or the other talking about how awesome and powerful the case keyword, Partialfunction and pattern matching in Scala are. It got me wondering about why people love them that much. So, to unravel this mystery around case, I went on an adventure to find out all there is to know about them(And Continue Reading

Coding Best practices to follow with Scala

Shubham DangareMarch 25, 2019March 25, 2019ScalaBest Practices, Clean code, scala

If you are reading this blog there may be two reasons. First, you are the programmer and second, you want to be a better programmer. So here we go, Even bad code can function, But if the code isn’t clean, it can bring a development organization to its knees. Every year, countless hours and significant resources are lost because of the poorly written code. But Continue Reading

Hands-on: Apache Kafka with Scala

Shubham DangareFebruary 25, 2019February 25, 2019Apache Kafka, Scalaapache, Apache Kafka, kafka, kafka consumer, kafka producer, pub-sub, scala

Apache Kafka is an open sourced distributed streaming platform used for building real-time data pipelines and streaming applications. It is horizontally scalable, fault-tolerant, wicked fast, and runs in production in thousands of companies. Before the introduction of Apache Kafka, data pipleines used to be very complex and time-consuming. A separate streaming pipeline was needed for every consumer. You can guess the complexity of it with Continue Reading

Case class and object in Scala

Shubham DangareFebruary 12, 2019February 12, 2019Scalacase, class, scala

In this blog, we are going to have a look at one of the important concept of Scala that is case class moreover we will also take a look at companion object. Before diving into a case class let’s first look at scala basics. Construct like class, traits, object, the package can have characteristics and behaviour. Scala has access modifier to restrict the use of Continue Reading

The Scala Chronicles: The Beginning.

girdharshubhamJanuary 28, 2019February 14, 2019Scala, Tech Blogsbasics, immutability, scala

This is the beginning of a multi-part series on Scala. Starting with an introduction to usage of var and `val` followed by Control Structures. If you have some prior programming experience, you’d feel right at home. If not, I’ll try to introduce the concepts in a way that you’d understand. Declaring “var”, or maybe not! Scala allows one to declare variables mutable or immutable. Immutable Continue Reading

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