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1. JPA Mini Book

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Android Voice Recognition Tutorial

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You may have heard about the “ Google Now project” where you give the voice command and Android fetches result for you. It recognizes your voice and converts it into the text or takes the appropriate action. Have you ever thought how is it done? If your answer is voice recognition API, then you are absolutly right. Recently while playing ...

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Android: File transfer with asmack and Openfire

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I have seen many peoples struggling from file transfer in asmack – Android build environment and patches for smack. I tried same library with Openfire server after some debugging got success in it. So I will like to share my problem and solution for it. I found that the problem is in Byte Stream host, it tries to connect to ...

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Hibernate lazy/eager loading example

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This post will focus on why and how we use the concepts known as LAZY and EAGER loading in an application and how to use Spring’s hibernate template to load our LAZY entities in an EAGER fashion. And of course as the title itself suggests, we will show this by an example. The scenario is as such; You are a ...

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Scala: Missing OO and FP bridge

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Scala blends functional and object-oriented programming in many nice ways. You can use both FP an OO-like constructs whichever fits the current problem better. But there’s always room for improvement! Here’s one thing I think is missing (short version at the bottom). FP side It’s easy to convert a method to a function in Scala. For example, if you have ...

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Hot tips on using Eclipse effectively

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Following are some tips that shall help you in avoiding potential issues and for being a little more productive while working with eclipse.Avoid installation problems Never install a new version of Eclipse on top of an older version. Rename the old one first to move it out of the way, and let the new version be unpacked in a clean ...

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Debate Breakdown – Advice From A JUG Leader

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It’s been a week since I posted “Advice From A JUG Leader – Learn a Different Language” and it seems to have ruffled at least a few feathers in the Java community. As the article has been re-posted and bounced around on Twitter, I have had some opportunity to interact with some members of the Java community who have strong ...

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Project Lambda: To Multicore and Beyond

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The presentation “Project Lambda: To Multicore and Beyond” (Session 27400 and not to be confused with Brian Goetz’s presentation of the same name) was given in the Hilton San Francisco Grand Ballroom B in the early afternoon on Monday at JavaOne 2011. Even with Grand Ballroom A closed off, this is an extremely large venue for a non-keynote session and ...

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Introduction to Puppet For Vagrant Users

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I couldn’t find any good, brief, practical introduction into Puppet that gives you basic working knowledge in minimal time, so here it is. You will learn how to do the elementary things with Puppet – install packages, copy files, start services, execute commands. I won’t go into Puppet installation, nodes, etc. as this introduction focuses on the users of Vagrant, ...

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