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How SpringBoot AutoConfiguration magic works?

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In my previous post Why SpringBoot? we have looked at how to create a SpringBoot application. But you may or may not understand what is going on behind the scenes. You may want to understand the magic behind the SpringBoot’s AutoConfiguration. But before that you should know about Spring’s @Conditional feature based on which all the SpringBoot’s AutoConfiguration magic depends. ...

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Why SpringBoot?

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aSpring is a very popular Java based framework for building web and enterprise applications. Unlike many other frameworks which focuses on only one area, Spring framework provides a wide verity of features addressing the modern business needs via its portfolio projects. Spring framework provides flexibility to configure the beans in multiple ways such as XML, Annotations and JavaConfig. With the ...

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Docker Tooling in Eclipse Video

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Eclipse Mars provides integrated tooling for Docker. What can you do? Pull/Push/Build Docker images Run/Start/Stop/Kill Docker containers Customize views The video below shows how to get started with and try out some of the features:             Couchbase Docker Container is used to showcase different features. Here are some snapshots from Eclipse to give you a quick feel: ...

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Kotlin Month Post 3: Safety

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Intro In this third post for Kotlin Month, I’m going to go over some of the safety features that Kotlin comes with. Follow the link to see the previous posts. Null Safety This is one of the most touted features of Kotlin, from what I’ve seen. Personally, it has given me a little bit of grief, but some built-in property ...

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Achieving Sub Second SQL JOINs and building a data warehouse using Spark, Cassandra, and FiloDB

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Evan loves to design, build, and improve bleeding edge distributed data and backend systems using the latest in open source technologies. He is the creator of the FiloDB open-source distributed analytical database, as well as the Spark Job Server. He has led the design and implementation of multiple big data platforms based on Storm, Spark, Kafka, Cassandra, and Scala/Akka, including ...

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The Method Behind March Madness

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There are 150 quintillion (i.e. the one after trillion) permutations to consider when completing your NCAA bracket. Some of us don’t have time to review them all; if you are likewise short on time, you can let MapR do the heavy lifting for you and get your personalized bracket from the Crystal B-Ball! In this post, we describe the methodology ...

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What I learned about helping teams use WIP limits

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The Work In Progress limit (WIP limit from now on) is one of the most powerful but counter-intuitive concepts I had the fortune to encounter in my work life. When suggesting teams to introduce a WIP limit to their boards, I hear objections like “are you saying that doing less things at the same time is going to make you faster? ...

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10 Awesome Python Tutorials to Kick-Start your Projects

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Python is a widely used high-level, general-purpose, interpreted, dynamic programming language. Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C++ or Java. The language provides constructs intended to enable clear programs on both a small and large scale. Python supports multiple ...

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Printing arrays by hacking the JVM

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Overview One the most common gotchas in Java, is knowing how to print arrays. If an answer on how to print an array get more than 1000 upvotes, you have to wonder if there is a simpler way. Just about every other popular language has that simpler way, so it’s not clear to me why Java still does this. Unlike ...

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So You Say You’re An Expert?

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Whether through my recruiting endeavors or the private resume services I provide to job seekers, not a week goes by where I don’t see the word “expert” somewhere on a resume or cover letter. “Expert in $LANGUAGE” isn’t all that uncommon, and today the expression of expertise may also be depicted through a horizontal bar graph where several languages or concepts ...

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