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5 Reasons to use Guava

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Guava is an open source library containing many classes for Java and written by Google. It’s a potentially useful source of miscellaneous utility functions and classes that I’m sure many developers have written themselves before, or maybe just wanted and never had time to write. Here’s 5 good reasons to use it! 1. Collection Initializers and Utilities Generic homogeneous collections ...

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Goodbye Guvnor. Hello Drools Workbench.

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Many things are changing for Drools 6.0. Along with the functional and feature changes we have restructured the Guvnor github repository to better reflect our new architecture. Guvnor has historically been the web application for Drools. It was a composition of editors specific to Drools, a back-end repository and a simplistic asset management system. Things are now different. For Drools ...

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Choosing between a Pen Test and a Secure Code Review

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Secure Code Reviews (bringing someone in from outside of the team to review/audit the code for security vulnerabilities) and application Pen Tests (again, bringing a security specialist in from outside the team to test the system) are both important practices in a secure software development program. But if you could only do one of them, if you had limited time ...

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JPA 2 | EntityManagers, Transactions and everything around it

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Introduction One of the most confusing and unclear thing for me, as a Java Developer has been the mystery surrounding the Transaction Management in general and how JPA handles transaction management in particular. When does a transaction get started, when does it end, how entities are persisted, the persistence context and much more. Frameworks like Spring does not help in understanding the ...

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Getting started with PhoneGap in Eclipse for Android

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Android development with PhoneGap can be done in Windows, OS X, or Linux Step 1: Setting up Android Tools ADT Bundle – Just a single step to setup android development environment Step 2: Downloading and installing PhoneGap Visit the PhoneGap download page and click the orange Download link to begin the download process. Extract the archive to your local file system ...

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Invoking Async method call using Future object in Spring

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The next example will demonstrate an async method call inside the Spring container. Why do we need async method calls? In some cases we don’t really know if replay is expected or when a result supposed to be delivered back. Traditional way In the Java EE world of handling async calls is using Queue/Topic. We could do the same in ...

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Design Patterns: Prototype

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The one of creational design patterns is a Prototype design pattern. Despite that the Prototype is the creational pattern it distinguishes from other patterns by a concept. I mean that the Prototype in some sense creates itself. I’m going to explain it bellow. All magic of the Prototype pattern is based on a clone() method of a java Object. So ...

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