Latest Articles

29 September 2013
In this tutorial we will create an Android Header and Footer activity layout.
21 September 2013
In this tutorial we will see how to configure multiple Java web applications in New Relic
10 September 2013
In this tutorial we will implement a Java EE ServerEndpoint message Encoder and Decoder in order to convert HTML5 websocket messages into Java objects (and also the reverse operation of converting Java objects into ready to be sent websocket messages).
31 August 2013
In this tutorial we will see how to logout users authenticated via JAAS.
22 August 2013
In this tutorial we will implement a message broadcast sample application using only HTML5 websockets. The server-side will be implemented with Java EE ServerEndpoint.
12 August 2013
In this tutorial we will implement an HTML5 websocket resorting to the Java EE websocket implementation (ServerEndpoint).
07 August 2013
How to solve Android 'Application not Installed' caused by java.lang.SecurityException [invalid digest for] or [Package ... has no certificates at entry] when we sign an Android APK and install it in an Android device.
05 August 2013
In this tutorial we will cover Java EE Stateful Session Bean passivation and activation mechanism.
About the author
Gonçalo Marques is a Software Engineer with several years of experience in software development and architecture definition. During this period his main focus was delivering software solutions in banking, telecommunications and governmental areas. He created the Bytes Lounge website with one ultimate goal: share his knowledge with the software development community. His main area of expertise is Java and open source.

GitHub profile: https://github.com/gonmarques

He is also the author of the WiFi File Browser Android application: