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JDK 9 @Deprecated Annotation Enhancements

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In the post What Might a New @Deprecated Look Like?, I used the description of JEP 277 (“Enhanced Deprecation”) at that time to guide the creation of an enhanced customized @Deprecated annotation. Since that post, however, there have been significant changes made in JEP 277. This post summarizes the changes and the currently planned enhancements to @Deprecated that are slated ...

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Tutorial: Using PySpark and the MapR Sandbox

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PySpark is a Spark API that allows you to interact with Spark through the Python shell. If you have a Python programming background, this is an excellent way to get introduced to Spark data types and parallel programming. PySpark is a particularly flexible tool for exploratory big data analysis because it integrates with the rest of the Python data analysis ...

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Spring Batch: Multiple Format Output Writer

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Being a strong advocate of Spring Batch, I’ve always talked about the notion of Spring Batch providing developers with a framework that allows them to focus on solving business needs. By doing so, it allows developers to not spend an inordinate amount of time solving all of the technical aspects to support the solution. To illustrate what I mean by ...

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Show (Don’t Tell) Me That You Haven’t Stopped Learning

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Whether through my recruiting work or my resume writing and coaching, I frequently review resumes that lead off with some kind of statement alluding to the candidate being a dedicated lifelong learner. Intellectual curiosity and a desire to keep skills current is something that many hiring companies will value, so it’s generally a good idea to convey those traits if you possess ...

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6 Docker .NET App Templates To Get You Started On Containers

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This is the first blog of a three part blog series that discusses the automated deployment of .NET applications on both Linux and Windows containers. In this blog, we will cover the deployment of very basic ASP.NET and ASP.NET MVC applications on Linux containers using HyperForm, a deployment automation platform that simplifies the application journey to containers. The blog covers ...

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Java SE 8 new features tour: Calculating timespans with the new DateTime API

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Cleaner, readable, and powerful coding with Java SE 8 New DateTime API JSR 310 ….. In the previous article “Processing Collections with Streams API”; I have deeply dived into explanation, and exploration on how to traversing collections with streams, Creating streams from collections and arrays, and finally Aggregating stream values.In this article of the “Java SE 8 new features tour” ...

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System Observability: How to Make Your Production Environment Great Again

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Observability is not just about monitoring your system, it’s about understanding it Monitoring your production environment is essential. Performance issues, errors and exceptions happen all the time and we have to know what’s going on. But how can we see when and why certain issues happen? That’s where the concept of Observability comes in, to help us gain an in ...

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Introducing Microservices iQ

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Want to know the Top 6 Performance Challenges in Managing Microservices in a Hybrid Cloud? Download the Whitepaper from AppDynamics: Grab it now! As part of AppDynamics Summer ‘16 release, we are announcing Microservices iQ, a new intelligent application performance engine, that enables enterprises to efficiently manage microservice based application environments and deliver performance that delights their customers while exceeding ...

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[MEGA DEAL] The Developer’s AWS Mastery Bundle (85% off)

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Become An In-Demand Cloud Guru & Programmer by Mastering Amazon Web Services Over These 4 Courses Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering The Developer’s AWS Mastery Bundle for only $XX instead of the original price of $199, yeap that is a massive 85% off. Train to Pass A ...

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