Ilias Tsagklis

About Ilias Tsagklis

Ilias is a senior software engineer working in the telecom domain. He is an applications developer in a wide variety of applications/services, currently the technical lead in a in-house PCRF solution. Particularly interested in multi-tier architecture, middleware services and mobile development (contact). Ilias Tsagklis is co-founder and Executive Editor at Java Code Geeks.

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Openfire server installation – Infrastructure for Instant Messaging

This tutorial is the first part of the “Setting up an infrastructure for Instant Messaging” article series. In this tutorial, we are going to setup an Instant Messaging infrastructure for a private intranet. This should come r ...
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Setting up an infrastructure for Instant Messaging – Article series

Instant messaging (IM) is nowadays one of the most used ways of communication and collaboration. In the next few articles I will be discussing how to create an infrastructure for instant messaging (IM) in your network. The articl ...
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Sending e-mails in Java with Spring – GMail SMTP server example

For e-mail sending in Java, the JavaMail API is the standard solution. As the official web page states, “The JavaMail API provides a platform-independent and protocol-independent framework to build mail and messaging applica ...
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Add JSON capabilities into your GWT application

Introduction to JSON While working on web applications, the issue of client-server data exchange always arises. There are various approaches on this matter, with a lot of them using XML for the exchange. A not so well known format ...
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Debugging a Production Server – Eclipse and JBoss showcase

Do you write code that has bugs? No, of course not. For the rest of us, mere mortals, who do write code with bugs, I would like to address a very sensitive issue: debugging an application that runs on a production server. So, your ...
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Embracing the Android awesomeness: A quick overview

Almost three years have passed since Google launched the Android OS, aiming to conquer the cut-throating mobile world, after having succeeded in the internet world. Android is an operating system for mobile devices that includes m ...
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Adding CAPTCHA to your GWT application

What is CAPTCHA? In a world full of malicious bots, what can you do to protect your precious web application? One of the basic things that you really should do is add CAPTCHA capabilities to it. If you are not familiar with the (r ...
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Install Android OS on your PC with VirtualBox

Google’s Android is an operating system and software stack for mobile devices. Under the hood, it uses a customized version of the Linux kernel. Android is currently the fastest growing mobile operating system and is generat ...
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Getting Started with SmartGWT for awesome GWT interfaces

Introduction to SmartGWT I recently started working with SmartGWT, a framework based on GWT that provides a comprehensive widget library for your application UI as well as assistance for server-side for data management. You can ta ...
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“Did you mean” feature with Apache Lucene Spell-Checker

Google’s “Did you mean” feature After making an introduction to Lucene in a previous post, now it is time to take it up a notch and create a more sophisticated application. You are most surely familiar with Googl ...
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