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Core Java
Wrap around design pattern in java8
Wrap around pattern is not listed in in GOF book but is very useful for problem like below: Loop construct…
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DevOps
Simplify Email In Your App with Mailgun API
Mailgun is email for developers. Mailgun has elegant REST API to send and receive emails from your mobile app. I…
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DevOps
Continuous Deployment circleci, AWS (Elastic Beanstalk), Docker
Introduction We run some of our services in Docker container, under Elastic Beanstalk (EB). We use circleci for our CI…
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Enterprise Java
Annotation-driven event listeners in Spring 4.2
Introduction Exchanging events within the application has become indispensable part of many applications and thankfully Spring provides a complete infrastructure…
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Software Development
A Taxonomy Of Comments
Comments can be used to convey what code does, what it should to, what it does not do, why it…
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Enterprise Java
Clean Integration Testing with JUnit Rules
The benefits of JUnit Rules, especially when dealing with integration testing, can hardly be overrated. In this post, we’ll shine…
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Software Development
Persistence in CQRS Read Models
One of the biggest benefits of CQRS is the ability to implement multiple read models. Business rules and the domain…
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Enterprise Java
Placeholders support in Value annotations in Spring
${...} placeholders in @Value annotation are used to access properties registered with @PropertySource. This is extremely useful with @Configuration beans…
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Software Development
Code review: Why are we doing it?
Developers across many organisations adopted code reviews as one of their core practices. Although that sounds like a very reasonable…
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