Couple of things I have started to notice some basic gotch-yas for developers around my place of employment.

Error on activity validation – cannot find condition

You will get this error when using embedded declarative code conditions in anything from a WhileActivity to a IfElseActivity. Basically if your .rule file is not named exactly the same as your .xoml file (including case!) the *.rules file will not load.

To fix this open up the *.csproj file and change the dependency to include the correct casing and names for the rules.

Bet this starts freaking people out sooner rather than later. I personally love it. Go duck typing. (and unit tests).

Looking at Ayende’s potential DB solution over Lucene and it’s peek my interest. I remember writing so much reflection code for dynamics and JSON, now its more or less out of the box.

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Been working with a rather in-depth and complex XML file. At first I got XmlSerializer up and running but encountered ugly XML being generated and bad types when I used this type in WCF. WCF really likes DataContract serialization. Using anything else makes your REST calls rather ugly….

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