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Working with Amazon S3 – Part I

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Introduction In this multi-part series, I am going to run you through Amazon S3 Service. In first part, you will see the basics of Amazon S3 Service and why one should use it. Later, we will walk through S3 Web Management Console, which is a website interface for S3. Next parts of this article will go through, accessing S3 programmatically ...

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Yet another Java 8 Lamdbas and Streams example

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I’ve been lagging behind with what Java 8 features exercising concerns, so in this post I will briefly present my initial experience with lambdas and streams. As usual, I will focus on a Podcast class:               package org.codingpedia.learning.java.core; import java.util.Comparator; public class Podcast { int id; String title; String producer; int subscriptionsNumber; /** number of ...

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Configure JRebel with Docker containers

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JRebel allows you to skip build and redeploy process by instantly deploying your application to the application server of your choice. It is supported in all the major IDEs such as NetBeans, Eclipse, and IntelliJ. It is also supported in a wide variety of application servers such as JBoss EAP, WildFly, WebLogic, WebsFear (err, WebSphere), Tomcat, and many others. You ...

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The 7 Pains of Developing Mobile Apps (and How to Solve Them)

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Mobile apps are on a trajectory the likes of which have yet to be charted. Digi-Capital forecasts that by 2017, the mobile app market will reach $70 Billion of global revenue, with non-game apps to double revenue share from 26% to 51%. This will be made possible by 2017’s expected 200 billion app downloads. Currently, mobile apps account for 82% ...

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Scala Days: 6 of the Best Talks You Probably Missed

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Highlights from Scala Days @ San Francisco                     New Post: Scala Days: 6 of the Best Talks You Probably Missed http://t.co/w4armAvYTI pic.twitter.com/bZetjvH7sG — Takipi (@takipid) March 19, 2015 Scala Days was happening in San Francisco this week, and the presenters there gave some excellent talks on the hottest topics in the ...

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Validating XML Against XSD(s) in Java

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There are numerous tools available for validating an XML document against an XSD. These include operating system scripts and tools such as xmllint, XML editors and IDEs, and even online validators. I have found it useful to have my own easy-to-use XML validation tool because of limitations or issues of the previously mentioned approaches. Java makes it easy to write ...

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Creating Millions of Objects with Zero Garbage

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As noted in First rule of performance optimisation, garbage is the enemy of fast code. Not only can it destroy any sort of deterministic performance by employing the services of the garbage collector but we start filling our CPU caches with garbage that will cause expensive cache misses for our program. So, can we use Java without creating garbage? Is it possible, ...

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Netty: A Different Kind of Web(Socket) Server

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Netty is used today in all kinds of applications, all over the Internet, to handle thousands (if not millions) of chat conversations, multiplayer games including Minecraft, Twitter, and many other applications. However, it hasn’t made it very far into the mindshare of enterprise programmers developing business applications. I believe that Netty can introduce a new wave of functionality that other solutions ...

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The End of Google Code

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In the 21 January 2014 post Google Code is dead, Evert Pot referenced the post A Change to Google Code Download Service and wrote that “It’s been sort of obvious for a while that [ Google ] stopped caring about their code hosting.” The title of Pot’s post was borne out with the announcement this past week that Google is ...

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