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Beginner’s Guide To Hazelcast Part 1

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Introduction I am going to be doing a series on Hazelcast. I learned about this product from Twitter. They decided to follow me and after some research into what they do, I decided to follow them. I tweeted that Hazelcast would be a great backbone for a distributed password cracker. This got some interest and I decided to go make ...

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Large Program? Release More Often

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I’m working on the release planning chapter for Agile and Lean Program Management: Collaborating Across the Organization. There are many ways to plan releases. But the key? Release often. How often? I suggest once a month. Yes, have a real, honest-to-goodness release once a month. I bet that for some of you, this is counter-intuitive. “We have lots of teams. ...

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Continuous Integration is Dead

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A few days ago, my article “Why Continuous Integration Doesn’t Work” was published at DevOps.com. Almost the same day I received a few strongly negative critiques on Twitter. Here is my response to the un-asked question: Why the hell shouldn’t continuous integration work, being such a brilliant and popular idea?     Even though I have some experience in this ...

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Use Byteman in JBoss Fuse / Fabric8 / Karaf

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Have you ever found yourself in the process of try to understand how come something very simple is not working? You are writing code in any well known context and for whatever reason it’s not working. And you trust your platform, so you carefully read all the logs that you have. And still you have no clue why something is ...

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Conceptual Model vs Graph Model

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We’ve started running some sessions on graph modelling in London and during the first session it was pointed out that the process I’d described was very similar to that when modelling for a relational database. I thought I better do some reading on the way relational models are derived and I came across an excellent video by Joe Maguire titled ...

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Property-based testing with ScalaCheck – custom generators

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One of the core data structures provided by Hazelcast is IMap<K, V> extending java.util.concurrent.ConcurrentMap – which is basically a distributed map, often used as cache. You can configure such map to use custom MapLoader<K, V> – piece of Java code that will be asked every time you try to .get()something from that map (by key) which is not yet there. ...

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4 Foolproof Tips Get You Started With JBoss BRMS 6.0.3

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Last week Red Hat released the next version of JBoss BRMS, labeled 6.0.3 and it is available in their Customer Portal for those with a subscription. If you are curious as to what is new in this release, see the release notes and the rest of the documentation online in the Customer Portal.   What we are looking for are ...

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Maven excludes all transitive dependencies

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“Transitive dependencies are a new feature in Maven 2.0. This allows you to avoid needing to discover and specify the libraries that your own dependencies require, and including them automatically.” I had a problem, where some dependencies were available in the run time, but they weren’t available in the public nexus repositories. For an example, Hibernate depends on the Sun JTA ...

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Diction in Software Development (i.e. Don’t be a d1ck!)

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Over the years, I’ve come to realize how important diction is in software development (and life in general). It may mean the difference between a 15 minute meeting where everyone nods their heads, and a day long battle of egos (especially when you have a room full of passionate people). Here are a couple key words and phrases, I’ve incorporated into ...

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Stop Chatting, Start Coding

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The first principle of eXtremely Distributed Software Development (XDSD) states that “everyone gets paid for verified deliverables”. This literally means that, in order to get paid, every programmer has to write the code, commit it to the repository, pass a code review and make sure the code is merged into the destination branch. Only then, is his result appreciated and ...

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