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Keeping the Meaning with the Bytes

Back to the Future… This post was from November 2006. I had just started playing with Scala and was trying to figure out an ORM… the one that ultimately became Lift’s ...
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Custom Reason Phrase in HTTP status error message response with JAX-RS (Jersey)

In some of my recent work I got the request to produce a custom Reason Phrase in the  HTTP status response delivered to one of our REST API consuming clients when an error occurs. ...
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Legacy Code to Testable Code #6: Add Overload

This post is part of the “Legacy Code to Testable Code” series. In the series we’ll talk about making refactoring steps before writing tests for legacy code, and how they make ...
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Five Tips for Tactical Management

Sometimes, you just need to get on with the work. You need to give yourself some breathing room so you can think for a while. Here are some tips that will help you tackle the day-to-day ...
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User sessions, Data controls and AM pooling

Recently I was asked an interesting question about application module pooling. As we know AM pool contains application module instances referenced by user sessions, which allows a session ...
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Spring Rest API with Swagger – Creating documentation

The real key to making your REST API easy to use is good documentation. But even if your documentation is done well, you need to set your company processes right to publish it correctly ...
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Clean Unit Test Patterns – Presentation Slides

I was given the opportunity to talk at the GDG DevFestKarlsruhe 2014 conference about ‘Clean Unit Test Patterns’. Thanks to the organizers for inviting me and thanks to all people ...
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Apache Commons IO Tutorial: A beginner’s guide

Apache Commons IO is a Java library created and maintained by the Apache Foundation. It provides a multitude of classes that enable developers to do common tasks easily and with much ...
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ZooKeeper on Kubernetes

The last couple of weeks I’ve been playing around with docker and kubernetes. If you are not familiar with kubernetes let’s just say for now that its an open source container ...
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Chronicle Map and Yahoo Cloud Service Benchmark

Overview Yahoo Cloud Service Benchmark is a reasonably widely used benchmarking tool for testing key value stores for a significant number of key e.g 100 million, and a modest number ...
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