Replacing social sharing buttons with javascript-less alternatives

Social sharing widgets slow down page loading For every public facing site there comes the moment where its content has to be shared in social media. We all know the dreaded "Like" or "Tweet" buttons on many sites or blogs. They not only compete for the reader's attention but also for screen real estate and … Continue reading Replacing social sharing buttons with javascript-less alternatives →

Eclipse/SVN keeps asking for keystore password on a mac

For my current project I'm working on a Mac and Eclipse kept asking for the OS keystore password every time SVN was accessed. The eclipse error log says: "StorageException: No password provided." While I am sure that there are proper solutions to this problem, relaxing a constraint in the OS keystore did the job for … Continue reading Eclipse/SVN keeps asking for keystore password on a mac →

On URL accuracy, versioning and the immutable-redirect pattern

So you have this requirements: serve content (might be a static file or a dynamic page) under a URL make it cacheable by defining appropriate HTTP expiration headers yet, the content might change - serve it under a new URL the old URLs should still be valid but show the new content In my current … Continue reading On URL accuracy, versioning and the immutable-redirect pattern →

Speeding up development by splitting a webapp into parts

I love tagfiles: they feature a well known syntax (EL from JSP), they allow for reusable UI components, they are well supported by my favourite IDE and, most importantly, modifications are instantly visible because the servlet container does not have to restart. At least in theory, because reality often looks different: after a few edits … Continue reading Speeding up development by splitting a webapp into parts →

JEE6, EJB and Glassfish diaries

Some notes while trying to get up on speed with Glassfish and JEE6, mainly about what can go wrong... and there is plenty of it. The most time-consuming activity is researching generic stack traces which hardly ever point to the real cause. NullPointerException when deploying Been there, done that: A beans.xml in META-INF might cause … Continue reading JEE6, EJB and Glassfish diaries →