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Handling time outs in Async requests in JAX-RS

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JAX-RS 2.0 provides support for asynchronous programming paradigm, both on client as well as on the server end. This post which highlights the time out feature while executing asynchronous REST requests on server side using the JAX-RS (2.0) API Without diving into too many details here is a quick overview. In order to execute a method in asynchronous fashion, you ...

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Rethinking Pair Programming

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By default, we always do our work in pairs. We strongly believe that the quality achieved by two people working on the same task is superior to when done by a single person. However, there are times where pairing is not very efficient. Pair programming pitfalls In a professional environment, pairing with developers who have a different software development foundation ...

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Roll Your Own Pirate-Elvis Operator

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So, Java doesn’t have an Elvis operator (or, as it is more formally known, null coalescing operator or null-safe member selection) … While I personally don’t much care about it, some people seem to really like it. And when a colleague needed one a couple of days back I sat down and explored our options. And what do you know! ...

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Java 8 Lambda Expressions Tutorial

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Greetings! :) After a few months away I decided to come back in style :). I noticed that one of my previous posts about the new Date/Time API got really popular, so this time I’m going to dedicate this post to another new feature of Java 8: Lambda Expressions. Functional Programming Lambda Expressions are the way by which the Java ...

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JSF: Validation at the right phase (understanding the life cycle)

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Hi everyone! Although the title emphasises the word validation, this article is actually about the JSF life cycle. That’s because I believe that one of the easiest ways to truly understand the life cycle is by making something we do all the time: validating user input. In general, understanding the so called JSF Life Cycle is what sets apart junior ...

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I Found My Java Remake!

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Back in January, I wrote a post about some changes I would love to see in the Java language that would make me like it a lot more (and would make it more modern). A lot of people suggested a lot of JVM languages, but I largely dismissed them because that’s not what I was looking for. I wanted Java ...

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Spring Batch Tutorial – The ULTIMATE Guide

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This tutorial is about Spring batch, which is part of the Spring framework. Spring Batch provides reusable functions that are essential in processing large volumes of records, including logging/tracing, transaction management, job processing statistics, job restart, skip, and resource management. It also provides more advanced technical services and features that will enable extremely high-volume and high performance batch jobs through ...

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Excellent! Groovy Intends to Join Apache Software Foundation

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In the post “Total Bummer: Pivotal Drops Groovy“, I briefly wrote about Pivotal’s decision to drop Groovy and hoped that Groovy would find a new home. I was pleased to read the announcement that the Groovy project intends to join the Apache Software Foundation. My experience is that some of the best maintained, best supported, and best documented open source ...

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How to Land a Software Engineering Job?

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The other day I read this piece by David Byttow on “How to land an engineering job”. And I don’t fully agree with his assertions. I do agree, of course, that one must always be writing code. Not writing code is the worst that can happen to a software engineer. But some details are where our opinions diverge. I don’t ...

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10 Java Articles Everyone Must Read

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One month ago, we’ve published a list of 10 SQL Articles Everyone Must Read. A list of articles that we believe would add exceptional value to our readers on the jOOQ blog. The jOOQ blog is a blog focusing on both Java and SQL, so it is only natural that today, one month later, we’re publishing an equally exciting list ...

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