Beware of evil pathauto patterns!

Recently, a very mysterious problem has cost us quite a lot of time and some headache too. Before I explain, what happened, I want to mention, that it happened on a Drupal 7 Site on a MS SQL Server database. According to an issue on drupal.org, that I will mention later, it may also occur with PostegreSQL, but most likely not with MySQL. But I also have a general advice regarding pathauto patterns and best practices.
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Fatal errors may cause infinite Feeds batch runs and exasperate you!

Every developer knows that kind of situations, where you spend hours chasing a problem, that suddenly appeared, and the more you debug and dive into fixing it, the more you get confused and unnerved. And when you finally have found the solution, it turns out, that it was a very simple and stupid bug, you've created unwittingly - the sort of cause, you haven't ever thought about, and you feel like bumping your head hard onto the wall...

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Where to put category field in Drupal Commerce

When defining product display node types and product entity types in Drupal Commerce, it can be a hard decision where to put taxonomy term reference fields like the product category to. In this post, I try to sum up arguments from different perspectives and give some helpful advice in finding the right decision for you shop project.
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attr() vs prop() in jQuery 1.6

Die weit verbreitete und beliebte JavaScript Bibliothek jQuery hat in der Version 1.6, die vor wenigen Tagen veröffentlicht wurde, eine weitreichende Veränderung eingeführt: die Unterscheidung zwischen echten Attributen und Properties.
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