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Programmers without TDD will be unemployable by 2022 (a prediction)

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New year is traditionally the time of predictions, and several of the blogs I read have been engaging in predictions (e.g. Ian Sommerville “Software Engineerng looking forward 20 years.”). This is not a tradition I usually engage in myself but for once I’d like to make one. (I’ll get back to software economics next time, I need to make some ...

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Post-hoc tracing using a debugger

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Once nice little features of most debuggers that I have been exercising recently is the ability to log information on a breakpoint. This can be a really useful was to understand code without having to modify it is involve byte code modification. Let’s consider this very trivial and inefficient implementation of a function to return the n’th number in the ...

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A Camel Demo for Amazon’s Simple Worklfow Service

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In a previous post I explained why AWS SWF service is good and announced the new Camel SWF component. Now the component documentation is ready and here is a simplistic fully working demo. It consist of three independent standalone Camel routes: A workflow producer allows us to interact with a workflow. It can start a new workflow execution, query its ...

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Kanban from a Trench

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Introduction After forming part of a software project team that got underway with a significant project at the BBC Worldwide in 2013, I felt that it would be useful to release a few notes about my experience of Kanban and how it helps to deliver good quality software to customers. Here are some notes that I prepared in order to ...

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Using Google GSON : Extra Goodies : Part I

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Introduction This is follow-up article to previous Getting Started with Google GSON where it shows the introductory material on using the Google Gson. This article shows some extra goodies of GSON library. As there are lot of things to write about these extra goodies, so i splitted long article into 2 article series, So, this part one of it and ...

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Spring LDAP 2.0.0 is released

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The Spring team is pleased to announce that Spring LDAP 2.0.0 is released and is now available from Maven Central and Bintray. Spring LDAP 2.0.0.RELEASE Released lists all changes in the new release. JIRA’s change logs contain a list of the changes too. The most basic features of 2.0.0 release are presented below: Spring LDAP now includes Spring Data Repository ...

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Project Student: Webservice Integration

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This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer, Persistence with Spring Data and Sharding Integration Test Data. Earlier we successfully ran integration tests for both the persistence/business layer (using an embedded H2 database) and the REST server/client layers (using a Jetty server). It’s time to knit everything together. Fortunately ...

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Java vs. Native Agents – The Powerful Things They Do

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What you should know before installing an agent, and how it affects your code When building a scalable server-side application we spend considerable amount of time thinking about how we’ll monitor, operate and update our code in production. A new breed of tools have evolved to help Java and Scala developers do just that. Many of them are built on ...

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Android Service Tutorial

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In this post, we want to talk about Android Service. This is a key component in developing Android app. Differently from Activity, Service in Android runs in background, they don’t have an interface and have a life-cycle very different from Activities. Using Service we can implement some background operation, for example we can suppose we want to load a web ...

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Why Your Boring Data Will Outlast Your Sexy New Technology

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So you’re playing around with all those sexy new technologies, enjoying yourself, getting inspiration from state-of-the-art closure / lambda / monads and other concepts-du-jour… Now that I have your attention provoking a little anger / smirk / indifference, let’s think about the following. I’ve recently revisited a great article by Ken Downs written in 2010. There’s an excellent observation in ...

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