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A Tech Lead Paradox: Technical Needs vs Business Needs

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Agile Manifesto signatory Jim Highsmith talks about riding paradoxes in his approach to Adaptive Leadership. A leader will find themselves choosing between two solutions or two situations that compete against each other. A leader successfully “rides the paradox” when they adopt an “AND” mindset, instead of an “OR” mindset. Instead of choosing one solution over another, they find a way ...

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Checking Sanity in TDD Testing

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Whether you’re in the process of fully adopting Test Driven Development (TDD), providing unit tests after you have written your code, or something in between, the question that you will soon ask is: “What should I be testing?” The simplest answer to me is: any place where you can isolate and test just your code. In my opinion, Test-Driven Development ...

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7 Brain Tips for Software Developers

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Estimated Reading Time: 10-15 minutes EDITORIAL NOTE: This is an article that I am really glad to have featured on Java Code Geeks and one that I think is long overdue. It will explain how to leverage and better utilize our greatest asset as programmers, and that is of course, our brain. We are intellectual workers and without an optimally ...

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Agile Newspeak

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Every time and again, I go back to the “4 ways that agile is declining post” to see if it is still relevant. I don’t get disappointed. Now that I am a full time agile coach, I’m in a kind of a fix. Agile has crossed the chasm, and scrum won as we all know. So people expect and want ...

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Java SE 8 new features tour: Traversing, filtering, processing collection, & methods enhancements with Lambda

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In this article of the “Java SE 8 new features tour” series, we will deep dig into explanation, and exploring the code, on how to traverse the collections using lambda expression and with method references, filtering them with predicate interface, implementing default methods in interfaces, and finally implementing static methods in interfaces. In the previous article “Functional programming with Lambda ...

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Arquillian Cube. Let’s zap ALL these bugs, even the infrastructure ones.

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Docker is becoming the de-facto project for deploying applications inside lightweight software containers in isolation. Because they are really lightweight they are perfect not only to use in production, but to be used inside developer/qa/CI machine. So the natural step is start writing tests of your software that runs against these containers. In fact if you are running Docker on ...

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SWT Mouse Click Implementation

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Doing a bit of SWT custom widget development lately, I stumbled across the question why is there no such thing as a default SWT mouse click listener? As this subject raises once in a while, I thought writing a word or two about the rational ground behind – and how to implement mouse clicks in general – would not hurt. ...

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Scala snippets 2: List symbol magic

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The following other snippets are also available: Scala snippets 1: Folding In scala every symbol can be a function, so overloading operators (which isn’t really overloading, since operators are already methods) is very easy and is something which you see in many libraries. In this snippet we’ll just explore a couple of the overloaded methods that make working with lists ...

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Annotations, Annotations Everywhere

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Annotations became available with Java 1.5 in 2004, ten years ago. It’s hard to imagine our code without this feature. In fact, annotations were first introduced to relieve developers from the pain of writing tedious boilerplate code and make the code more readable. Think about J2EE 1.4 (no annotations available) and Java EE 5. Annotation adoption considerably simplified the development ...

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