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Reading/writing compressed and not compressed files in Java

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Main reason for this post is trying don’t repeat yourself (DRY) because, often, I fall in the recursive need to read and write compressed and not compressed files (mainly JSON and CSV). Let’s to see first how to read text files. Note I’m working with (relatively small) text files so:           The read methods returns an ...

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Java EE Interceptors

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History I think it’s important to take a look at the evolution of Interceptors in Java EE because of the simple fact that it started as an EJB-specific item and later evolved into a separate spec which is now open for extension by other Java EE specifications. Version 1.0 Interceptors were first introduced in EJB 3.0 (part of Java EE ...

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Continuous Integration Is a Hack!

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“Continuous Integration is a hack!” said my friend Ben Rady years ago during a discussion on CI hosted by Stelligent. At the time, I was incredulous! How dare someone question the value of CI, especially when we had just finished writing a book about it! What’s more, our book had been nominated for a prestigious Jolt award; indeed, the following ...

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Significant Software Development Developments of 2014

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One of my favorite posts to write each year is the year-ending summary of some of the developments in the world of software development that I have read about or observed during that year. As with any opinionated posts, these are significant developments from my perspective and may be more or less significant to others than they are to me. ...

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Top Three Challenges in Enterprise Mobile App Development in 2015

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Enterprises are adopting mobile technologies at an unprecedented rate. As Business News Daily recently reported, 1.3 billion workers will go mobile by 2015, and with that massive number, the need for enterprise mobile apps can only skyrocket. With that increase, many mobile app developers will be called upon to create internal mobile enterprise apps. These apps have many requirements and ...

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Signing Digital Certificates with OpenSSL Library

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While working on the pgopenssltypes extension I realized that I haven’t discussed how to sign digital certificates using the OpenSSL library. (At least I don’t recall doing so – I might have discussed this in the early days of the blog. I’m pretty sure I’ve already discussed signing digital certificates with the BouncyCastle (java) library.) My pgopenssltypes extension will have ...

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Continuous Deployment: Implementation with Ansible and Docker

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This article is part of the Continuous Integration, Delivery and Deployment series. The previous article described several ways to implement Continuous Deployment. Specifically, it described, among other things, how to implement it using Docker to deploy applications as containers and nginx for reverse proxy necessary for successful utilization of blue-green deployment technique. All that was running on top of CoreOS, ...

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A persistent KeyValue Server in 40 lines and a sad fact

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Advent time again .. picking up Peters well written overview on the uses of Unsafe, i’ll have a short fly-by on how low level techniques in Java can save development effort by enabling a higher level of abstraction or allow for Java performance levels probably unknown to many. My major point is to show that conversion of Objects to bytes ...

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Microservices and DevOps with TIBCO Products

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Everybody is talking about Microservices these days. You can read a lot about Microservices in hundreds of articles and blog posts. A good starting point is Martin Fowler’s article, which initiated the huge discussion about this new architecture concept. Another great resource is an free on-demand webinar by vendor-independent analyst Gartner: “Time to Get Off the Enterprise Service Bus“. It ...

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