Reading Time: 3 minutes As we all know, Spark contains a whole variety of inbuilt functions through which you can do any sort of transformation in your data frame and achieve your desired output, but sometimes you may find that you don’t require them. Then What? In that case, you can define your own function, known as UDFs (User Defined Functions) which makes it possible to write your own Continue Reading
Reading Time: 3 minutes In this article, I am going to show you how to use Spring Boot as a RESTful web service and MarkLogic as a backend database and how to do marklogic integration with springboot application Introduction Assuming that you have a Springboot application which uses MarkLogic as backend service, this guide will show you how to integrate your application with MarkLogic. The first thing you need Continue Reading
Reading Time: 2 minutes Kalix is a PaaS (Platform-as-a-Service) which makes it easy for developers to build high-performance and data-centric applications at a low cost. Now, the question arises, why should we use it. How is it different from others? Now, let us understand the key benefits of using Kalix. Key Features It is less in many ways. As we all know less is more. This is the approach. It is – Continue Reading
Reading Time: 3 minutes What is Apache Camel Apache Camel is an open source integration framework designed to make integrating systems simple and easy. It allows end users to integrate various systems using the same API, providing support for multiple protocols and data types, while being extensible and allowing the introduction of custom protocols. Domain-Specific Language Routes and routing engine are the central part of Camel. Routes contain the flow Continue Reading
Reading Time: 4 minutes In a distributed environment, services need to communicate with each other. However, this is interservice communication. We also have use-cases where a client outside our domain wants to hit our services for the API. So, either we can expose the address of all our microservices which can be called by clients OR we can create a Service Gateway which routes the request to various microservices Continue Reading
Reading Time: 3 minutes Traefik is an open source API gateway, written in Golang and was developed in a Unix-centric way. It is designed to simplify the complexity regarding microservices operations. Traefik performs auto-configuration of services, which means that the developer only needs to worry about developing and deploying applications. Traefik auto-configures with sensible defaults and sends a request to the said service. With changing requirements and needs of Continue Reading
Reading Time: 2 minutes FIX stands Financial Information Exchange. The protocol is a highly scalable electronic communication protocol to facilitate real time exchange of information related to financial market. It has become the standard method of pre-trade, trade and post-trade communication. Market participants including banks, hedge funds, prime brokers etc, utilise FIX for their own trading means all to connect directly to clients. It is a full-fledged liquidity provider.
Reading Time: 3 minutes Java Shell tool (JShell) has been introduced as a part of JAVA 9. It is a Read-Evaluate-Print Loop (REPL), which evaluates declarations, statements, and expressions as they are entered and immediately shows the results. The tool is run from the command line. In this blog, we will learn about this interactive tool that can be used for learning the Java programming language and prototyping Java Continue Reading
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.