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On my employers blog I wrote a piece about a new feature of Hippo called pipelines that can be used to create new content channels. We have created an rss feed using the standard components of Hippo combined with the Rome project. If you are interested you can read the blog post here: http://blog.dutchworks.nl/2011/12/13/embedding-rss-in-hippo-using-the-pipelines-feature/ Ever looked at the space used by your maven repository? Think that this is to much? Start reading the blog post I wrote on my employers blog about a groovy script that you can use to clean your local maven repository. It removes old snapshots stored in your repo as well as old versions [...] Recently I have been doing a lot with Node.js. It is a nice server technology that enables you to program on the server like you program on the client. Wouldn’t it be nice to create a java based business logic backend but a light weight client and server backend. Communication between node.js and java is done in two ways in the sample. We use http and json for querying the data and for providing new data. Next to that I have an event system that pushes events with new data to the clients using nowjs. The following image gives you an idea about the overall solution.
If you want to find out more about this sample read on. Continue reading Combining java and Node.js through redis pub/sub and a json remote interface Over three years a go I wrote a blog post explaining the steps to upgrade you maven installation on Mac OS X Leopard. I have been using snow leopard now for a while and things changed a bit. In one of the comments to that post Oskar Carlstedt mentioned the steps required on Snow Leopard. This is all fine if you upgrade a minor version, but with maven 3 things changed a lot. I have some projects that require maven 2, we did not have time yet to fix problems we have with maven 3. Still I prefer using maven 3. Therefore I have to change between versions often. I decided to create a bash script to help me out. Within this blogpost I’ll explain the installation of maven on Snow Leopard and I’ll present the bash script that can help you to switch between installations of maven. Continue reading Upgrade maven and switch between versions using bash on the mac
Axon framework is rapidly moving to the 1.0 release. Just a few days a go Allard released the first release candidate. You can find more information in his blog item: First release candidate available. In the past I have created multiple samples that some aspect of axon or the integration of axon with other technologies. In this blog post I want to go over all the axon samples that I have created, some of them together with Allard. I will explain the intentions of all the samples and the technologies used. If you are missing samples, have good ideas, please let me know and I’ll see what I can do. Continue reading Axonframework samples Some time ago the NOS started providing their data as open data through an API. Using this API you can get the latest news items. You can limit the results to sport news. There is also a search available and a few more categories to find news for. The API is a REST like api and can return xml as well as JSON. In this blog post I am creating an API with the Spring framework RESTTemplate. Continue reading Using the NOS open data API with the springframework and jackson At the end of 2010 I reviewed the book “OSGi and Apache Felix 3.0 Beginner’s Guide“. The people from packt publishing contacted me based on my involvement in the past with OSGi and felix. I wrote a number of blog posts on OSGi and felix and gave a presentation at the NLJug together with [...] The new year has started, with it comes one of the last opportunities to look back at 2010. So what happened, what did I try out, what did I like and what didn’t I like. I also want to have a short look at what you liked, based on the number of visitors. This post will nog contain new technical stuff, only old stuff Continue reading Recap of the year 2010 |
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