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Creating JSF/CDI Maven project on Eclipse


While I was working on a JSF and CDI example, I thought it would be useful to mention the steps required to create JSF and CDI Maven project. You can find the bellow steps to do so. Tools Eclipse Luna that’s shipped with the M2E plugin by default. So no need to install the plugin yourself. WildFlye 8.x.     ...

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Insights from Stackoverflow: Most voted for Spring 4 questions


What are the most voted for Spring 4 question asked and answered on Stackoverflow? Here are the top five questions and answers. What’s the difference between @Component, @Controller, @Repository & @Service annotations in Spring, can they be used interchangeable or do they have specific functionality? Where does the @Transaction annotation belong? The DAO class, the service that calls the DAO ...

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Internet Of Things: Integrate Arduino With Yahoo! Using Temboo


Internet of things is the next big thing in the near feature. This technology is growing fast and there are many objects that begin talking each other using internet. Prototyping platforms like Arduino and Raspberry PI are supporting these innovations  and help many developers to create interesting IoT projects. One pillar of this emerging technology is the cloud IoT platforms ...

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Easy Database Manipulation with Groovy and Gradle


Groovy:  The “Enterprise Hipster” Language Not everyone sees the Java programming language as sexy.  However, the Java virtual machine is a dominant force everywhere, from the most conservative enterprise to the most whimsical startup.  There are myriad alternative languages today that compile to Java bytecode.  There are JVM-based versions of Python, Ruby, and multiple implementations of JavaScript.  There are entirely new ...

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Object-Oriented approach to Code Generation


Code Generation is  a common way to reduce the unhealthy load of boring tasks often put on us eager code grunts. Many code generation frameworks I have seen use a template-replace-repeat approach where you write a template for how the generated code file should look and then replace certain keywords and repeat other sections to produce the specific file you ...

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Stream Processing Everywhere – What to Use?


Processing data from social media streams and sensors devices in real time is becoming increasingly prevalent, and there are plenty of open source solutions to choose from. Here is the presentation that I gave at Strata+Hadoop World, where I compared three popular Apache projects that allow you to do stream processing: Apache Storm, Apache Spark, and Apache Samza. This blog ...

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Change default Git commit message template


We do lot of changes to projects and commit those in git repository and then commit those changes along with proper commit message. While collaborating on bigger project with lot of collaborators working at same time, commit message should be proper and reflect what those changes are. Lot of big projects has standard commit message template ready for collaborators to follow/understand ...

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Skip SSL certificate verification in Spring Rest Template


How to skip SSL certificate verification while using Spring Rest Template? Configure Rest Template so it uses Http Client to create requests. Note: If you are familiar with unable to find valid certification path to requested target the below should help you. Http Client Firstly, import HttpClient (>4.4), to your project compile('org.apache.httpcomponents:httpclient:4.5.1') Configure RestTemplate Configure SSLContext using Http Client’s ...

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Parsing Java 8 Streams Into SQL


When Java 8 was released and people began streaming over all kinds of stuff, it didn’t take long before they started imagining how great it would be if you could work with your databases in the same way. Essentially relational databases are made up of huge chunks of data organized in table-like structures. These structures are ideal for filtering and ...

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