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Android Service Tutorial

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 ...
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Why Your Boring Data Will Outlast Your Sexy New Technology

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 ...
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Zabbix – Low Level Discovery of cores, CPUs and Hard Disk

Zabbix SSD Status, configured with Low Level Discovery At home, I’m using Zabbix to monitor my servers, it has plenty of interesting features and can be extended a lot by using User ...
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Mirror Mirror – Using Reflection To Look Inside The JVM at Run-time

Developers: Takipi tells you when new code breaks in production –  Learn more We’re all used to employing reflection in our everyday work, either directly, or through frameworks ...
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AppFuse 3.0

AppFuse 3.0 is here, as announced by AppFuse. AppFuse is a full-stack framework for building web applications on the JVM. It uses the Maven Archetype plugin to generate a starter Java ...
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Publish and Subscribe with Hazelcast

A few weeks ago I wrote a blog on getting started with Hazelcast describing how ludicrously simple it is to create distributed maps, lists and queues. At the time I mentioned that Hazelcast ...
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Want to get faster with AtomicLong? Make it wait.

I often hear that Java atomic types (java.util.concurrent.atomic) are super-fast and play nicely with highly concurrent code. Most of the time, atomics do their job in a robust and ...
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How to serialize an array of doubles with a byte (binary delta encoding for low-varianced monotonic sets of floating point data)

Low latency systems require high performance message processing and passing. As in most cases data has to be transfered over the wire or serialised for persistence, encoding and decoding ...
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A Beginner’s guide to ACID and database transactions

Transactions are omnipresent in today’s enterprise systems, providing data integrity even in highly concurrent environments. So let’s get started by first defining the term and ...
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Using Google GSON : Extra Goodies : Part II

We continue with Using GSON from last article, also in case you missed the first article in series here is link. So, here we go with another installment in series. Versioning Support If ...
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