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Core Java
Migrating from Commons CLI to picocli
Apache Commons CLI, initially released in 2002, is perhaps the most widely used java command line parser, but its API…
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Core Java
Java Integer Cache – Why Integer.valueOf(127) == Integer.valueOf(127) Is True
In an interview, one of my friends was asked that if we have two Integer objects, Integer a = 127; Integer…
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Enterprise Java
Understanding H2 InMemory Database with Spring Boot
Introduction Basically the database setup involves several steps before we can use it through configured datasource in our application. This…
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DevOps
Persistent Volumes for Database Containers running on a K8s cluster
In one of my previous posts I showed how we can run Oracle XE database on a K8s cluster. That approach works fine…
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Software Development
Changing the Status Quo: How to Create a Culture of Accountability in your Org
Today, there is little dispute that software is indeed eating the world. Every part of our life includes software, from…
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Software Development
[MEGA DEAL] Stone River eLearning: Lifetime Membership (99% off)
170 Courses & Counting on All Things Tech: Coding, Design, 3D-Animation & More Hey fellow geeks, This week, on our…
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Enterprise Java
Spring Boot Microservices , Docker and Kubernetes workshop – part2
In the previous post we created our first micro service “ProductService” using SpringBoot and Docker. In this part we will go…
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Core Java
Behavioural Design Patterns: Mediator
Previously we had a look at the iterator pattern. The mediator pattern is way different on what it tries to…
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Enterprise Java
Build a RESTful API in Go using AWS Lambda
In this post we will learn to design, build, and deploy a RESTful API in Go using AWS Lambda. Before starting, let…
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