Reactive programming is a programming paradigm that promotes an asynchronous, non-blocking, event-driven approach to data processing. Reactive programming involves modeling data and events as observable data streams and implementing data processing routines to react to the changes in those streams. In the reactive style of programming, we make a request for the resource and start performing other things. When the data is available, we get Continue Reading
Docker is a tool designed to make it easier to create, deploy, and run applications by using containers. Containers allow a developer to package up an application with all of the parts it needs, such as libraries and other dependencies, and ship it all out as one package. We decided to Dockerize the project Hawk for a better performance and architectural independence. Docker gives you Continue Reading
Raspberry Pi provides a set of GPIO (general purpose input/output) pins that allow you to control electronic components for physical computing and explore the Internet of Things (IoT).And the Camera Module is a great accessory for the Raspberry Pi, it allows users to take still pictures and record video in full HD. In this project, we have used Raspberry Pi and its camera to authenticate Continue Reading
Scala includes an elegant and powerful collection library. They are easy to use, concise, safe fast and universal.Scala collection is systematically distinguished between mutable and immutable. A mutable collection can be updated or extended in place. Immutable collection by contrast never changes but still you can remove add update but it will return a new collectionAll collection classes are found in scala.collection or in it Continue Reading
In the previous post, we have monitored our Kafka matrices using Prometheus and visualize the health of Kafka over Grafana. Now we will set an alert, so whenever any of Kafka broker is down, we’ll receive a notification. For Kafka, a single broker is just a cluster of size one. Usually we don’t create a single broker. If a single broker is down, our Kafka Continue Reading
With the world moving towards the reactive and functional ways of programming, Spring also turned its steps on the same path. This leads to the origin of Spring Webflux. To understand the functional approach towards it, we first need to understand, what is Spring Webflux exactly? Before Spring version 5.0, the original web framework included in the Spring Framework, Spring Web MVC, was built for Continue Reading
This blog is about the heart of the Hawk which is the image recognition process. For this, we used Amazon Rekognition service. Don’t worry I will come to all these terminologies step by step. But I advise you to first go through the first blog post of Hawk-Rust series which will help you to understand the overall architecture of the Hawk. You can refer it Continue Reading
Internet of Things has already taken the technology world by a storm and is continuing to do so. While learning about IoT, its uses and all that stuff, a desire to implement that in Hawk project arose. So, we’ll try to cross compile the Hawk project that is purely Rust based
Machine learning is an application of artificial intelligence (AI) that provides systems the ability to automatically learn and improve from experience without being explicitly programmed. Machine learning focuses on the development of computer programs that can access data and use it to learn for themselves. Type of machine learning Supervised learning Unsupervised Learning Reinforcement Learning In Supervised Learning, algorithms learn from labeled data. After understanding Continue Reading
When we start with Akka we generally start with one actor system on our local machine but when we talk about the business application we can have multiple parts of an application and those part can run on different machine or node. Akka Remoting is a communication module to connect the actor system in peer to peer fashion. It also serves as the foundation for Continue Reading
I have been exploring Rust from the last few weeks, as it has been declared the most loving language in 2018. As a Scala/Java developer, I worked on many applications, which were related to the banking domain, web applications, mobile applications, e-commerce, social media, etc. But I was not able to find what kind of applications should be built in Rust? I have searched Rust’s Continue Reading
In our previous blog post, Flinkathon: First Step towards Flink’s DataStream API, we created our first streaming application using Apache Flink. It was easy, clean, and concise. However, the real power of Apache Flink is seen on a cluster, where data is processed in a distributed manner, with the advantage of multi-core/multi-memory systems. So, in this blog post, we will see how to set up Continue Reading
Error Propagation means the code, that detects the problem, must propagate error information back to the caller function so that it can handle the problem. In the real world, the practice of Error Propagation is necessary. One of the benefits is that your code will look cleaner by simply propagating error information back to the caller that can handle the error and another benefit is Continue Reading
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