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MapStruct : Transferring data from one bean to another

Converting data from one form to another is a highly utilized concept in IT industry. MapStruct allows annotation based bean conversion by generating mapper implementation at compile time. This makes sure there is no performance overhead at run-time. What is MapStruct? MapStruct is a code generator that greatly simplifies the implementation of mappings between Java bean types based on a ...

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Anemic Objects Are OK

I thought for a while that object-oriented purism has died off. But it hasn’t – every now and then there’s an article that tries to tell us how evil setters and getters are, how bad (Java) annotations are, and how horrible and anti-object-oriented the anemic data model is (when functionality-only services act upon data-only objects) and eventually how dependency injection ...

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Work started on Apache Camel Intellij IDEA plugin

Just because its Christmas does not mean the Camel stands still. On the even of the 23rd I took the evening to do a bit of research and start hack on a little prototype for an Apache Camel plugin for IDEA. Its something that has been on my radar for a longer time. The reason is that Apache Camel provides a ...

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AWS IoT Button, Lambda and Couchbase

Getting Started with Serverless FaaS and AWS Lambda shows how to use a simple Java function to store a JSON document to Couchbase using AWS Lambda. This blog builds upon that and shows how an AWS IoT Button can be used as a trigger for that Lambda function. By end of this blog, you’ll learn: How to configure AWS IoT Button Use IoT Button as trigger ...

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Neo4j: Graphing the ThoughtWorks Technology Radar

For a bit of Christmas holiday fun I thought it’d be cool to create a graph of the different blips on the ThoughtWorks Technology Radar and how the recommendations have changed over time. I wrote a script to extract each blip (e.g. .NET Core) and the recommendation made in each radar that it appeared in. I ended up with a ...

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[MEGA DEAL] The Ultimate DevOps Mastery Bundle (91% off)

Come to Grips with AWS, Linux, Docker & Other Enterprise Computing Systems in Over 69 Hours of Instruction Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering the Ultimate DevOps Mastery Bundle for only $48 instead of the original price of $552, yeap that is a massive 91% off. Go From ...

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Microservices are Commodity

I’m a big fan of Simon Wardley. I’m not able to follow everything he writes about, but even the old writings are very interesting and somehow it all makes sense in retrospective. If you haven’t read anything from him, this video is an excellent start (or go back a few years to the longer talk). In this article I’ll try ...

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Go: First attempt at channels

In a previous blog post I mentioned that I wanted to extract blips from The ThoughtWorks Radar into a CSV file and I thought this would be a good mini project for me to practice using Go. In particular I wanted to try using channels and this seemed like a good chance to do that. I watched a talk by ...

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Deploying RESTful Service on Cloudfoundry

java-interview-questions-answers

In this post, we will deploy RESTful service on Cloudfoundry using Pivotal Cloud Foundry (PCF) Dev. As creating a restful web service is not a part of this post, I already created employee-service which have a static backend and available for clone from GitHub. Before deploying it on Cloudfoundry, let’s have a brief about it. Cloudfoundry Cloud Foundry is an ...

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Integrate Spring Boot and EC2 using Cloudformation

spring-interview-questions-answers

On a previous blog we integrated a spring boot application with elastic beanstalk. The application was a servlet based application responding to requests. On this tutorial we are going to deploy a spring boot application, which executes some scheduled tasks on an ec2 instance. The application will be pretty much the same application taken from the official spring guide with ...

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