In this post we will install on our local MacOSX (Yosemite) environment, another famous NoSQL database, the Apache Cassandra. As a developer, I found Datastax, community packaging of Cassandra, very handy, seems they offer ready made MacOSX specific packages. You can of course download and install the the tarballs f …

This post aims to help all developers (not only Java) that want to develop using NoSQL datastores, specifically MongoDB, Cassandra and Couchbase, in MaOSX. Before starting writing code you need to have the db engines installed and ready for tests. So our goal for these mini posts will be to install all of them in our …

Like many of you out there, I am working with a multi module Maven project. It is not a huge one comparing to many systems out there, it has 15 modules, with 3 different ear deployments, lots of parametrization with property files and around 100K lines of Java code. During peak development times, the code is heavily …

This is not something I invented or discovered on my own, with this post I just want to raise the awareness of this major missing point IMHO in standard Websphere 8.5.5 configuration (and it's fix) and post about it, so it can be indexed and people can find the solution easily, rather than spend countless hours trying …

it's more than a year, that I have switched into the highly quality mechanicalkeyboard search mode. I have to admit, considering the amount of money I have spent for more than a decade to medium or very bad overpriced conventional keyboards, that were promising some sort of quality and productivity boost during typing, …

Δεν ξέρω πόσοι από εσάς σαν παιδιά πρόλαβαν τη σειρά Cosmos του Carl Sagan είτε τη χρονιά που ξεκινήσε (1980), είτε λίγα χρόνια μετά στις αμέτρτητες επαναλήψεις. Θυμάμαι να τη βλέπω σαν παιδί στην τότε ΕΡΤ. Ο Carl Sagan μιλήσε για το σύμπαν, το διάστημα, τον πλανητη μας, τα διάφορα φυσικά φαινόμενα, υπήρξε σήμειο …

Series Previous Post, Next Post In the previous post (num 6) we discovered how we can unit test our JPA2 domain model, using Arquillian and Wildfly 8.1 In the previous post we made a simple configuration decision, we used the internal H2 database that is bundled with Wildfly 8.1 and the already configured Datasource …

This post is mostly targeted to Java developers working on the financial sector, especially with systems that need to do payments and specifically using the IBAN/BIC standard. So today I was browsing through some legacy code, that was performing some sort of validations on String representations of IBAN accounts. I …

Series Previous Post, Next Post In the previous post (part 5), we discovered how we can unit test using Arquillian, our EJB services, deploying them in a real instance of Wildfly8.1 application server. Extending the previous example we will add some more configuration and code, so that we can add unit tests that …

Series Previous Post, Next Post This is the first extra post, based on the maven JavaEE7 demo project I am building on this series of blog posts. We have already defined a solid structure and some modules. One very common case in an application like this, is to use Arquillian (+ JUnit), a god sent framework, that …