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Scan DynamoDB Items with Java

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On previous posts we covered how to query a DynamoDB database Query DynamoDB Part 1 Query DynamoDB Part2. Apart from issuing queries DynamoDB also offers Scan functionality. What scan does is fetching all the Items you might have on your DynamoDB Table. Therefore scan does not require any rules based on our partition key or your global/local secondary indexes. What scan offers is ...

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Controlling Unity3D Using C#, Part 2

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Welcome back! This is part two of a three-part blog series on Unity 3D. In part one we discussed how to get started with Unity 3D. Now, moving along, we are going to discuss how to use C# to control Unity 3D. We left off after just having gained a solid understanding of how to get started with Unity 3D ...

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Code awareness levels

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Writing code is all about working at multiple levels of abstraction concurrently. But as well as working at multiple levels of abstraction there are also multiple levels of awareness of the code. The most basic level of code awareness is just making the code work. Does this line of code compile, run and do what I intended it to do? ...

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[MEGA DEAL] Java Essentials for Android Course (61% off)

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Master the Language Behind Android Apps with a University Professor! Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering the Java Essentials for Android Course for only $34 instead of the original price of $89, yeap that is a massive 61% off. Understanding Java is the cornerstone of building great apps ...

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Arduino Alternative IDE: PlatformIO IoT integrated platform

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When developing Arduino sketch,  we all use Arduino IDE, anyway, there are several Arduino alternative IDE. This alternative IDEs are useful and more user-friendly. Arduino IDE is the first IDE we all use when approaching to Arduino development for the first time. It is simple and provides all the features to write, compile and upload the code to Arduino boards. It is based on Java and ...

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Undersell and Overdeliver

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This week I received a multi-paragraph email from a job applicant who was applying for a developer position I had advertised with one of my clients. There was no resume attached or even referenced, which is highly unusual (sometimes there is nothing attached but a reference to an attachment). Maybe he forgot. The email was almost exactly what I might ...

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Real-time Message-driven Service Oriented Architecture: Bringing the Boom!

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At Strata+Hadoop World in London, MapR Director of Enterprise Strategy & Architecture Jim Scott talked about Real-time Hadoop: The Ideal Messaging System. You can watch his presentation here or read the post below to learn more: Within this post you will see mention of message-driven architectures. This is in short a subset of a service oriented architecture (SOA). This has ...

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Configure hazelcast with EC2

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Hazelcast is hands down a great caching tool when it comes to a JVM based application. If you use Amazon Web Services Hazelcast integrates wonderfully. First task is to create a policy responsible for describing instances. We shall name this policy as describe-instances-policy. { "Version": "2012-10-17", "Statement": [ { "Sid": "Stmt1467219263000", "Effect": "Allow", "Action": [ "ec2:DescribeInstances" ], "Resource": [ "*" ] ...

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Microservices: Pros and Cons of Mono repos

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Recently, there was an interesting question on Quora on Microservices – What companies use a mono repo but deploy as microservices? The real question is hidden behind those words – Is it ok to use Mono repos to store Microservices code? At first sight, it appears that Microservices and Mono repos are at odds with each other. Does it make ...

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