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Enterprise Java
EJB 3.x : Lifecycle and Concurrency models (part 2)
This is the second post of the two part series. The first part covered the life cycle and the concurrency behavior…
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Core Java
Why you should control Visibility of Class and Interface in Java
One of the important aspects of software development is maintenance, and it’s proven by experience that a piece of software…
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Enterprise Java
OptaPlanner – Vehicle routing with real road distances
In the real world, vehicles in a Vehicle Routing Problem (VRP) have to follow the roads: they can’t travel in…
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Agile
Agile outside of software
Later this week I’m doing a presentation at Agile On The Beach entitled: “Agile outside of software development”. (I resisted…
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Enterprise Java
Really Dynamic Declarative Components
In this short post I am going to focus on ADF dynamic declarative components. I mean a well known ADF…
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Software Development
Use Cases for Elasticsearch: Geospatial Search
In the previous posts we have seen that Elasticsearch can be used to store documents in JSON format and distribute…
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Core Java
2 Examples to Convert Byte[] array to String in Java
Converting a byte array to String seems easy but what is difficult is, doing it correctly. Many programmers make mistake…
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Enterprise Java
Instant Big Data Stream Processing = Instant Storm
Every 6 months at Canonical, the company behind Ubuntu, I work on something technical to test our tools first hand…
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Software Development
Awesome SQL Trick: Constraints on Views
CHECK constraints are already pretty great when you want to sanitize your data. But there are some limitations to CHECK…
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