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Scala
Three flavours of request-response pattern in Akka
Imagine a simple Akka actor system consisting of two parties: MonitoringActor and NetworkActor. Whenever someone (client) sends CheckHealth to the…
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Software Development
Why The Web Isn’t Semantic Yet
The semantic web. You’ve heard about it. What is it? Chances are, you don’t have a completely clear idea. But…
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Enterprise Java
Spring Integration Publisher
Consider a hypothetical requirement – You have a service class in your application and you want to capture some information…
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Enterprise Java
Evolving Gradle Build from Ant Build: Importing Ant Build File
Changing the build system on a large project can be difficult and a lot of work. Fortunately for those migrating…
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Software Development
Geospatial (distance) faceting using Lucene’s dynamic range facets
There have been several recent, quiet improvements to Lucene that, taken together, have made it surprisingly simple to add geospatial…
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Enterprise Java
Turning Twitter4J into RxJava’s Observable
aTwitter4J is a Java wrapper around Twitter API. While Twitter supports simple request-response interactions in this article we will explore…
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Software Development
Programmers without TDD will be unemployable by 2022 (a prediction)
New year is traditionally the time of predictions, and several of the blogs I read have been engaging in predictions…
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Core Java
Post-hoc tracing using a debugger
Once nice little features of most debuggers that I have been exercising recently is the ability to log information on…
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Enterprise Java
A Camel Demo for Amazon’s Simple Worklfow Service
In a previous post I explained why AWS SWF service is good and announced the new Camel SWF component. Now…
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