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Java Command-Line Interfaces (Part 22): argparser

John Lloyd‘s argparser is the library covered in this twenty-second post of the series on Java-based command line argument parsing. The main page for the library provides links to Javadoc-based API documentation, a JAR file, a ZIP file, and a TAR file in addition to a single source code example. The example used in this post is similar to the ...

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Getting started with Spring Data Cassandra

I have recently been learning Apache Cassandra to use at work and I think it is about time I consolidated my experience within a blog post. But rather than focusing on how Cassandra works itself this post will look at how to use Spring Data Cassandra. I know I just said I wouldn’t focus on how Cassandra works, but if ...

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Integrate CloudWatch Logs with Cloudhub Mule

java-interview-questions-answers

In this blog, i will explain how to enable AWS Cloudwatch Logs for your Mule CloudHub Application. Cloudwatch Logs Services are provided by AWS so that you can better mange your logs. It is relatively cheaper than splunk. Since cloudhub automatically rolls over logs more than 100 MB, we require a mechanism to manage our logs more efficiently. For this, we ...

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Apache Camel 2.20 released – What’s new

Apache Camel 2.20 has been released today and as usual I am tasked to write a blog about this great new release and what’s the highlights.                     The release has the following highlights. 1) Java 9 technical preview support We have started our work to support Java 9 and this release ...

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Spring Batch CSV Processing

spring-interview-questions-answers

Overview Topics we will be discussing include the essential concepts of batch processing with Spring Batch and how to import the data from a CSV into a database. 0 – Spring Batch CSV Processing Example Application We are building an application that demonstrates the basics of Spring Batch for processing CSV files. Our demo application will allow us to process ...

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Amazon DynamoDB Tutorial – The ULTIMATE Guide

EDITORIAL NOTE: Amazon DynamoDB is a fully managed proprietary NoSQL database services that is offered by Amazon.com as part of the Amazon Web Services portfolio. DynamoDB exposes a similar data model and derives its name from Dynamo, but has a different underlying implementation. Dynamo had a multi-master design requiring the client to resolve version conflicts and DynamoDB uses synchronous replication ...

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See Results Fast: Why Python Isn’t Just for Beginners

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! If you’re new to programming, Python is a great first language. It has a gentle learning curve, which enables you to experience the joys of programming early and often. Python’s clear and concise syntax allows you to focus on ...

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Streams vs. Decorators

The Streams API was introduced in Java 8, together with lambda expressions, just a few years ago. I, as a disciplined Java adept, tried to use this new feature in a few of my projects, for example here and here. I didn’t really like it and went back to good old decorators. Moreover, I created Cactoos, a library of decorators, to ...

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