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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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Playing with Java 8 – Lambdas, Paths and Files


I needed to read a whole bunch of files recently and instead of just grabbing my old that I and probably most developers have and then copy from project to project, I decided to have quick look at how else to do it… Yes, I know there is Commons IO and Google IO, why would I even bother?  They ...

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HTML5: Offline Upload of Images


I am currently working on an application which has needs to work offline. This has the beneficial side effect, we use the different HTML5 storage capabilities. One of the is the File API, which we are using to store images locally – before queuing them for upload to a backend server. In this article, I will share some code how ...

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Rocking with mongodb on spring boot


I’m a fan of Spring Boot and here’s my mongodb example project on Spring Boot. Most of the mongodb example projects are so basic that you won’t go far with them. You can search for plain Spring Data examples but they can get much complex than you’d like. So here’s mine. Here’s the pom I’ll use.         ...

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Implementing correlation ids in Spring Boot (for distributed tracing in SOA/microservices)


After attending Sam Newman’s microservice talks at Geecon last week I started to think more about what is most likely an essential feature of service-oriented / microservice platforms for monitoring, reporting and diagnostics: correlation ids. Correlation ids allow distributed tracing within complex service oriented platforms, where a single request into the application can often be dealt with by multiple downstream ...

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Widgets and dashboard with Atlasboard, Node.js and d3.js


So it’s been a while since I added something to this blog. I’ve been very busy with work and at the same time finishing up my second book on Three.js. For our company we’re looking for a new and flexible way to create dashboards. We want to use these kinds of dashboard to monitor the various development teams, provide a ...

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Java File I/O Basics


Java 7 introduced the java.nio.file package to provide comprehensive support for file I/O. Besides a lot of other functionality this package includes the Files class (if you already use this class you can stop reading here). Files contains a lot of static methods that can be used to accomplish common tasks when working with files. Unfortunately it looks to me ...

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Double Checked Locking on Singleton Class in Java


Singleton class is quite common among Java developers, but it poses many challenges to junior developers. One of the key challenge they face is how to keep Singleton class as Singleton? i.e. how to prevent multiple instances of a Singleton due to whatever reasons. Double checked locking of Singleton is a way to ensure only one instance of Singleton class ...

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