Reading Time: 6 minutes Data is being produced extensively in today’s world and it is going to be generated more rapidly in future. 90% of total data that is produced in the world is produced in last two years only and it is estimated that in 2020 world’s total data would reach 45 ZB and data generated each day would be enough that if we try to store it Continue Reading
Reading Time: 6 minutes When talking of working in Spark, Key/Value paired RDDs is intuitive. This blog is just going to demonstrate the working with Pair RDDs in Apache Spark. If you want to know more about the basic RDDs, you can read another blog having some basic understanding of RDDs. So, assuming that you have a fair idea about what Spark is and the basics of RDDs. Paired RDD is Continue Reading
Reading Time: 5 minutes In the world of cloud computing, big data and IoT, system and application requirements have changed by leaps and bounds in recent years. Even the challenges being faced by developers and enterprises today are way different from the ones that they faced, say, a decade or two earlier. Find out why should modern enterprises opt for reactive systems today?
Reading Time: 3 minutes 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.
Reading Time: 3 minutes 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
Reading Time: 5 minutes 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
Reading Time: 4 minutes 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
Reading Time: 5 minutes 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
Reading Time: 2 minutes 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
Reading Time: 2 minutes 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
Reading Time: 2 minutes 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
Reading Time: 3 minutes 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
Reading Time: 4 minutes 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
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