MongoDb Schema Design

I’ve learnt that modeling a schema for a NoSQL database (Mongo, Cassandra, …) is not the same thing of drawing a schema for SQL one (Oracle, MySql, …).

In this article, I’m going to illustrate what I’ve learnt reading by who knows more than me!

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Sample of Voice Authentication

Have you ever thought of using your voice instead of plain text string to get authenticated?

It’s not science fiction, it’s called biometric authentication and, some company as Google, are going to moving on in the next years.

In this article, I’m going to illustrate it using an open source library and a little example.

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Java memory for singleton object

The Java Virtual Machine (JVM) manages the memory of the operation system in order to obtain the best performance by optimizing the usage of it.

In this article, I’ll put the focus on a particular part of the memory which involves the Singleton object in Java. This type of object, always more frequently used, make a good deal between the memory optimization and the performance result.

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