android

Android Custom Controls Basics

January 17, 2015 / 0 comments

This small tutorial shows the basic steps to create a custom GUI control in Android.

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MySQL and Java

July 29, 2014 / 0 comments

Sorry, this entry is only available in Português.

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Finding Information about Classes

July 27, 2014 / 0 comments

Some people asked me about the C++ equivalent for the Java’s instanceof reserved word. It is essential to know about some object’s class in runtime, usually relating to some of its ancestors. For instance, if we have some base class Shape, like the classes Circle, Rectangle e Spiral, how can we find out if some instance from…

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