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How I Learned To Appreciate Job Hoppers


The possibility of being labeled a job hopper is still a concern for many in the technology world. This fear is often unreasonable and is primarily a function of traditional and antiquated employment concepts being extended into an economy where they likely don’t belong. In other words, don’t take career advice from your parents. When I first started recruiting software engineers during the late 90′s ...

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Using IntelliJ..for 2 weeks, so far so good


It’s been almost 2 weeks that I have completely switched over to IntelliJ as my main Java IDE at home and at work. So far so good, here are my  initial findings.         Migration: I took me a couple of hours to migrated my projects over. Eventually if your project is already Mavenized, things are simple, no ...

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Neo4j 2.1: Passing around node ids vs UNWIND


When Neo4j 2.1 is released we’ll have the UNWIND clause which makes working with collections of things easier. In my blog post about creating adjacency matrices we wanted to show how many people were members of the first 5 meetup groups ordered alphabetically and then check how many were members of each of the other groups.         ...

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Testing effectively


Recently, there was a heaty debate regarding TDD which started by DHH when he claimed that TDD is dead. This ongoing debate managed to capture the attention of developers world, including us. Some mini debates have happened in our office regarding the right practices to do testing. In this article, I will present my own view.   How many kinds ...

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Connecting to Cassandra from Java


In my post Hello Cassandra, I looked at downloading the Cassandra NoSQL database and using cqlsh to connect to a Cassandra database. In this post, I look at the basics of connecting to a Cassandra database from a Java client. Although there are several frameworks available for accessing the Cassandra database from Java, I will use the DataStax Java Client ...

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SharedHashMap vs Redis


Overview This is a comparison between OpenHFT’s SharedHashMap and a popular key-value store Redis. Any vendor will tell you how great their product is, so I will start by outlining why you wouldn’t use SharedHashMap, before I tell you why it is a “must have” for performant applications.       Why you would use Redis? Redis is a more ...

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Scaling Agile? Think Out, Not Up


I taught the Influential Agile Leader workshop with Gil Broza last week in Edinburgh. (That’s why I was quiet. I was traveling and teaching. No time for writing, blogging or tweeting.) One of the participants asked me what I thought about scaling agile. Before I could explain about small-world networks, not hierarchies, he said, “I am sure the way you ...

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My Move From ColdFusion to Java Development


Although I studied and experimented with different development technologies and tools throughout my college and graduate careers, my full-time professional career began with development in Adobe ColdFusion. Coming out of school, solving real-world business problems using technology was a challenge in itself. Due to its fairly uncomplicated nature, ColdFusion did not stand in the way of getting things done. It ...

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Create a jar library with gradle using AAR info


Some posts ago, I talked about how to use gradle to push an aar to maven central. If you remember, we had to modify some files and so on, but the work we have to do helps other developers to simplify their development when they want to use our code/library. When our code is pushed to the maven central as ...

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