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10 things you can do as a developer to make your app secure: #8 Leverage other people’s Code (Carefully)

As you can see from the previous posts, building a secure application takes a lot of work. One short cut to secure software can be to take advantage of the security features of your ...
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Java EE Concurrency API Tutorial

This is a sample chapter taken from the Practical Java EE 7 development on WildFly book edited by Francesco Marchioni. This chapter discusses about the new Java EE Concurrency API (JSR ...
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Explicit Implicit Conversion

One of the most common pattern we use on our day to day is converting objects from one type of object to another. The reasons for that are varied; one reason is to distinguish between ...
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Top 50 Java Thread Interview Questions Answers for Freshers, Experienced Programmers

You go to any Java interview, senior or junior, experience or freshers,  you are bound to see couple of questions from thread, concurrency and multi-threading. In fact this built-in ...
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ZooKeeper, Curator and How Microservices Load Balancing Works

How Zookeeper makes sure that every worker happily gets some stuff to do from job delegating manager. Apache ZooKeeper is a tool to register, manage and discover services working on ...
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SpringBoot: Introducing SpringBoot

SpringBoot…there is a lot of buzz about SpringBoot nowadays. So what is SpringBoot? SpringBoot is a new spring portfolio project which takes opinionated view of building production-ready ...
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Evaluating persistent, replicated message queues

Message queues are useful in a number of situations; for example when we want to execute a task asynchronously, we enqueue it and some executor eventually completes it. Depending on ...
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If BigDecimal is the answer, it must have been a strange question

Overview Many developers have determined that BigDecimal is the only way to deal with money.  Often they site that by replacing double with BigDecimal, they fixed a bug or ten.  What ...
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Android RecyclerView

RecyclerView is one of the two UI widgets introduced by the support library in Android L. In this post I will describe how we can use it and what’s the difference between this widget ...
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Gearing up for JavaOne 2014 !

Hold that thought! Yeah…I wish I was presenting at Java One 2014 – but I am only worthy of doing that in my dreams right now! But nothing is stopping me from following Java ...
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