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Detect Maven Dependency Mediation

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As of Maven 2.0.9 a new feature was added to Maven called dependency mediation. Dependency mediation is the technique used by Maven to resolve your project dependencies in the specific case when a dependency occurs multiple times in your dependency tree. Usually this occurs on transitive dependencies linked through the dependencies of your project. In these cases mediation will be ...

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Augmented Reality : Introduction of Metaio SD

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Metaio SDK is advanced as compared to Vuforia SDK, Metaio SDK is developer friendly such that any beginner or novice developer can develop good quality of AR application. High-level system overview 1. Setup Metaio SDK 4.5 I assume that you already have Android SDK and NDK setup in computer. Step 1: Download Metaio SDK 4.5 for Android http://dev.metaio.com/sdk/getting-started/ Step 2: ...

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Introduction to Android Studio

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Feeling good to be back at blog . Actually I have been managing GDG Ahmedabad, delivering android talks and managing workshops locally and outside my regions. Last month, I was quite busy in organizing “DevFest” event for the GDG Ahmedabad and then for the preparation of my 2 talks for the GDG Kathmandu DevFest. I was invited to deliver 2 ...

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Agile Project Management with GreenHopper 6 Blueprints

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An intuitive guide to efficiently track and manage projects in an agile way using GreenHopper for JIRA. Engineering methodologies are plan-based and very much predictive in nature. The disciplined and procedural nature of engineering methodologies makes the whole software development process a bit slow and inefficient. The outcome of this has been the development of Agile methodologies. The benefit of ...

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instanceof operator and Visitor pattern replacement in Java 8

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I had a dream where instanceof operator and downcasting were no longer needed but without clumsiness and verbosity of visitor pattern. So I came up with the following DSL syntax:                 Object msg = //... whenTypeOf(msg). is(Date.class). then(date -> println(date.getTime())). is(String.class). then(str -> println(str.length())). is(Number.class). then(num -> println(num.intValue())). orElse(obj -> println("Unknown " + ...

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3 Styles of agile (part 2)

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In my last entry I set out what I call “3 Styles of Agile – Iterative, Incremental and Evolutionary.” In this entry I’d like to discuss the model as a whole. Lest anyone start “my style is better than your style” I am at pains to point out that each style has merits. Regardless of whether any of us regards ...

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Getting started with annotation based Spring MVC web application

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Here is a minimal way to get a Spring 3 MVC project started with Maven. First create spring-web-annotation/pom.xml file and include the Spring dependency:               <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>spring-web-annotation</groupId> <artifactId>spring-web-annotation</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>3.2.4.RELEASE</version> </dependency> </dependencies> </project> Now ...

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Java Auto-Unboxing Gotcha. Beware!

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What do you think that the following code snippet will print?                     Object o = true ? new Integer(1) : new Double(2.0); System.out.println(o); Yes! It will print: 1.0 What? 1.0? But I have assigned an Integer to my o variable. Why does it print 1.0? It turns out that there is ...

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Android Augmented Reality: Introduction of Vuforia SDK

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The Vuforia™ SDK allows you to build vision-based augmented reality applications. It is available for Android, iOS and as an Extension to Unity – a cross-platform game engine. High-level system overview           Multiple trackables (tracking types): Image Targets Multi-Targets Cylinder Targets Word Targets Frame Markers Real-world Interactions Virtual Buttons 1. Setup Vuforia SDK v2.6 I assume ...

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