In two previous blogs, we explored about Vertica and how it can be connected to Apache Spark. The first blog in this mini series was about reading data from Vertica using Spark and saving that data into Kafka. The next blog explained the reverse flow i.e. reading data from Kafka and writing data to Vertica but in a batch mode. i.e reading data from Kafka Continue Reading
In previous blog of this series, we took a glance over the basic definition of Spark and Vertica. We also did a code overview for reading data from Vertica using Spark as DataFrame and saving the data into Kafka. In this blog we will be doing the reverse flow i.e. working on reading the data from Kafka as a DataFrame and writing that DataFrame into Continue Reading
We live in a world of Big data where the size of data is so big even for small results. This is the result of an increase in data collection on a rapid scale in the modern world. This massiveness of data brings the requirements of such tools which can work upon such a big chunk of data. I am pretty sure that you guys Continue Reading
As we know Ionic pages are nothing but internally it is converted into an Angular component only as we all know Ionic frame is built on the top of Angular. And just like Angular Framework has its lifecycle hooks which we follow during the development of Web Application, Similarly, we have some interesting lifecycle events for ionic framework too which can capture and perform some Continue Reading
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
As I am exploring Spring Web flux these days so I got an opportunity to explore the different ways of interacting with couch base using reactive APIs. We will not discuss how we can make a crud application in Spring Web flux. My main focus will be on, in how many different ways, we can query the couchbase with reactive couchbase API in Spring Web Continue Reading
The Angular Router is a powerful router library that allows developers to implement advanced functionality in their Angular applications. Earlier what we were doing if we want to send the value of the parameter from one component to the other we were makes use of the @Input decorator to get hold of that value that was being passed in from one component to the other. But, Continue Reading
Kafka Streams is a Client library where the input and output data are stored in an Apache Kafka cluster. It combines the simplicity of building and deploying Java and Scala processing applications with Kafka topics on the client side with the benefits of Kafka’s server-side cluster technology. When working with Kafka Streams, there are times when the stream processing application requires integration with data external Continue Reading
Today, while doing my work and having fun programming, I came across a problem that looked pretty easy in the beginning, but after starting doing it, had to take help of Google and read from different sites to get to a nice implementation. So, let’s look at the problem and how to solve it. The Problem Well, you guys probably already have guessed what the Continue Reading
Hello readers! Welcome to another blog in the Java concurrency series. Today, we are going to look at the Reentrant Locks in Java. What it is, how to use it, and mainly, what is the difference between using Reentrant Locks and synchronization. So, let’s dive straight into it. Reentrant Locks Reentrant locks work just like the synchronized locks in java, but have much more facilities Continue Reading
Hello readers, and welcome to yet another blog in the Java Concurrency series. Today, we are going to look at the CountDownLatch class in Java, what it is and how to use it. So, let’s dive straight into it.
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
Genetic algorithm is based on the Charles Darwin famous principle of survival of the fittest, where the fittest of the individuals are given higher importance and are chosen for reproduction in order to produce children for the new generation. The process starts by selecting the fittest individuals from a population, who then produce offspring which inherit the characteristics of the parents. Since the parents already Continue Reading
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