Archiv der Kategorie: Software-Development

How to create a valid SAML 2.0 Assertion with OpenSAML for JAVA

Recently I had to implement SAML 2.0 for a client project for a Single Sign On (SSO) process. For this purpose our system needed to create a SAML Assertion containing all the information of the user who is currently logging … Weiterlesen

Veröffentlicht unter Software-Development | Verschlagwortet mit , , , , | 48 Kommentare

HTML Snippet: IE specific CSS classes for body tag

A colleque just showed me today how you can give the body tag a specific CSS class depending on the versions of Internet Explorer. With this you can avoid special css files for IE specific styling and handle it inside … Weiterlesen

Veröffentlicht unter Software-Development | 58 Kommentare

My Notes taken at Berlin Buzzwords

BerlinBuzzwords http://berlinbuzzwords.de Keynote – Grant Ingersoll – Lucid Imagination about Lucene @gsingers grant@lucidimagination.com http://www.manning.com/ingersoll SolrCloud == ZooKeeper + Solr http://wiki.apache.org/solr/SolrCloud http://en.wikipedia.org/wiki/Sentiment_analysis Map/Reduce Ready recommenders available Identify Topics Latent Dirichlet Allocation ==> http://de.wikipedia.org/wiki/Latent_Dirichlet_Allocation Frequent Pattern Mining Clustering K-Means, Dirichlet, Canopy, etc … Weiterlesen

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I’m going to Berlin Buzzwords

On June 7th and 8th, I am going to Berlin to attend the Berlin Buzzwords conference. This is what they write about themselves: Berlin Buzzwords 2010 is a conference for developers and users of open source software projects, focussing on … Weiterlesen

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“real time” still hasn’t made it into corporate IT

today, when I requested a password reset for my account (I forgot the password) oh you want this to work immediately ???…:) sorry [name removed] you have to wait 45 min for the account to propogate through the network….not my … Weiterlesen

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Eclipse PDE Build: Unable to find plugin XYZ

Today I had the problem that suddenly my headless Eclipse PDE Build process wasn’t working anymore as soon as I added a new Bundle project to my feature.xml. [java] /Applications/eclipse_3.5RC3/plugins/org.eclipse.pde.build_3.5.0.v20090527-1800/scripts/genericTargets.xml:106: Unable to find plug-in: bundlexyz I first thought there is … Weiterlesen

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Rails-like configuration of different environments in JAVA – YAML instead of properties file

This article shows a simple code example how you can replace a standard JAVA properties file (.ini) with a more flexible .yml (YAML) file using the JYAML library. I used this to store configuration parameters for an application for different … Weiterlesen

Veröffentlicht unter Software-Development | Verschlagwortet mit , , , , | 14 Kommentare

Initializing Hibernate without XML

This article just shows a code snippet I have used for initializing Hibernate in pure JAVA code without the hibernate.xml which you would normally use. public void start(BundleContext context) throws Exception { initHibernate(context); }   private void initHibernate(BundleContext context) { … Weiterlesen

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Cassandra Distributed Database – a link list for beginners

I am currently playing around with Apache Cassandra (distributed database) and this article is to store all the links I have used before I close my browser with trillions of open tabs http://wiki.apache.org/cassandra/GettingStarted http://wiki.apache.org/cassandra/ClientOptions http://prettyprint.me/2010/02/23/hector-a-java-cassandra-client/ http://wiki.apache.org/cassandra/DataModel Installing and using Apache Cassandra With … Weiterlesen

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SVN ignores file extension .so by default – which corrupted my build

I was just working on my current OSGI project which is build with Eclipse PDE headless for multiple platforms. The Eclipse Deltapack contains a launcher bundle (directory) called org.eclipse.equinox.Lauscher.gtk.linux.x86_1.0.200.v20090520 which contains a file called eclipse_1206.so. This launcher bundle I also … Weiterlesen

Veröffentlicht unter Software-Development | Verschlagwortet mit , , , | 78 Kommentare