Home » Author Archives: Ilias Tsagklis (page 14)

Author Archives: Ilias Tsagklis

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.

Android HTTP Camera Live Preview Tutorial

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The Android SDK includes a Camera class that is used to set image capture settings, start/stop preview, snap pictures, and retrieve frames for encoding for video. It is a handy abstraction of the real hardware device. However, the SDK doesn’t provide any camera emulation, something that makes testing camera enabled applications quite difficult. In this tutorial, I am going to ...

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Best Of The Week – 2011 – W13

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Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * GlassFish Server 3.1 Supports JavaEE 6 Web Profile, Clustering and High Availability: An overview of some new features supported by the latest version of GlassFish application server. Those include support for the JavaEE 6 Web ...

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Best Of The Week – 2011 – W12

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Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Mastering Spring MVC 3: A presentation of Spring’s MVC3 programming model, detailing with examples: mapping HTTP requests, getting a request input, generating responses, rendering views, data conversion and validation, handling exceptions and testing. You can ...

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Best Of The Week – 2011 – W11

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Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Good code is cheap code: An article where the author claims that good code is cheap code, i.e. code that is easy to maintain, is minimally complex and can be easily extended. He also provides ...

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Best Of The Week – 2011 – W10

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Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Why do I have this long GC pause?: An article where the author discusses how he performed Garbage Collection diagnosis and troubleshooting in order to fix big delays in GC. Some of the inner details ...

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OpenXava Project Lead Joins JavaCodeGeeks

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Hi guys, I am pleased to announce that Javier Paniza, project lead for the OpenXava project, has joined our JCG program. Javier has been developing with Java Enterprise since 1998 and occasionally blogs at Sys-Con. Let me tell you a few things about OpenXava too. As described in the official site: OpenXava is a tool for Rapid Java Web Development, ...

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Best Of The Week – 2011 – W09

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Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * The Holy Grail of Zero Defect Systems: A short article discussing the “ultimate goal” of eliminating all defects from your system and why some times it is better to not fix a bug (short answer: ...

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Xuggler Tutorial: Frames Capture and Video Creation

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Note: This is part of our “Xuggler Development Tutorials” series. So far in our Xuggler tutorials series we have performed an Introduction to Xuggler for Video Manipulation and we have discussed Transcoding and Media Modification. In this tutorial, we shall see how to decode video and capture frames, as well as how to create video from scratch. Let’s begin with ...

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Best Of The Week – 2011 – W08

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Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * A 30 minute guide to integrating Twitter in your Android application: A detailed guide on how to integrate Twitter in your Android app. It covers almost everything, from setting up an account, to authorization and ...

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Java Fork/Join for Parallel Programming

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The last few years a paradigm shift is taking place in the field of computer processors. For years, processor makers consistently delivered increases in clock rates, so developers enjoyed the fact that their single-threaded software executed faster without any effort from their part. Now, processor makers favor multi-core chip designs, and software has to be written in a multi-threaded or ...

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