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Practical NoSQL experiences with Apache Cassandra

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Most of the backend systems I’ve worked with over the years have employed relational database storage in some role. Despite many application developers complaining about RDBMS performance, I’ve found that with good design and implementation a relational database can actually scale a lot further than developers think. Often software developers who don’t really understand relational databases tend to blame the ...

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Survivorship Bias and Product Development

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A couple of months ago I came across an interesting article by the author of ‘You Are Not So Smart‘ about a fallacy known as ‘Survivorship Bias‘ which Wikipedia defines as: The logical error of concentrating on the people or things that “survived” some process and inadvertently overlooking those that didn’t because of their lack of visibility. I particularly liked ...

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Spring Data JPA Tutorial Part One: Configuration

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Spring Data JPA is a project which aims both to simplify the creation of JPA based repositories and to reduce the amount of code needed to communicate with a database. I have been using it for a while at my work and in my personal hobby projects and it has indeed make things a lot more simpler and cleaner. Now ...

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YAGNI likes a DRY KISS

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There are several acronyms which would definitely help to review code and design, improve it or confirm discussed decisions, because they actually are design paradigms and proven good practices. It’s hard to combine all of them in one easy-to-remember sentence and we wont create yet another super acronym or geek alphabets, even because the presented list is not comprehensive of ...

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How to run Ant targets with Maven?

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The maven-antrun-plugin allows us to run ant targets with various maven build phases. I am going to explain very practical usage of maven-antrun-plugin specially for developers with development environment. Normally with maven build, you will bundle your project either to a war file or ear file. You can directly copy this war or ear file into the server deployment folder ...

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OpenHFT Java Lang project

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OpenHFT/Java Lang started as an Apache 2.0 library to provide the low level functionality used by Java Chronicle without the need to persist to a file. This allows serializable and deserialization of data and random access to memory in native space (off heap)  It supports writing and reading enumerable types with object pooling. e.g. writing and reading String without creating ...

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Deploy your Node/Couchbase application to the cloud with Clever Cloud

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Introduction Clever Cloud is the first PaaS to provide Couchbase as a service allowing developers to run applications in a fully managed environment. This article shows how to deploy an existing application to Clever Cloud. I am using a very simple Node application that I have documented in a previous article: “Easy application development with Couchbase, Angular and Node”. Clever Cloud ...

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Comparing Manifest Files with Groovy

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My last post discussed comparing the high-level contents of two JAR files using a Groovy script and a 2011 post covered displaying a particular JAR file’s manifest file. This post illustrates the combination of those two ideas with an example of comparing the Manifest files of two different JAR files. As illustrated in the just-referenced two blog posts, it is ...

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Friends Don’t Let Friends Use String States

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Many of my coworkers have covered exciting new technologies and frameworks to aid your programming expertise. But at this time I think it is important to reach back and cover an important programming basic. Throughout my programming career one of the most common anti-patterns I have seen is the “String State.” It has appeared in some form or another in ...

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