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Create Fun Things - Samer's Developer Blog Development Blog for C#, .NET and Obj-C August 2013 Entries
Fixing: Cannot merge multiple root entity source tables into one destination entity root table
So I have an app called TimeTag that uses Core Data and I needed to migrate to a new core data model version. It uses a UIManagedDoc to manage the core data file (rather than having everything dumped in the AppDelegate). I did the usual first steps:I selected my ModelName.xcdatamodelId in my project list and went up to "Editor" and selected "Add Model Version"I had it inherit from my current model versionThen I selected the ModelName.xcdatamodelId file in the project listing again, and went over ......

Posted On Friday, August 9, 2013 3:15 PM

The exciting times of being an app developer
Last night I was doing one of the things I normally do throughout the day: Search Twitter for my app names to see if anyone is tweeting about my company or one of my apps. But tonight, unlike many other nights, there were tons of tweets all in Japanese with just the word 'TimeTag' in English. I got excited: Someone wrote about us in Japan, so I clicked the link ( was a blog post that (translated) seems to be all about using TimeTag (Available on the iOS store ......

Posted On Tuesday, August 6, 2013 1:01 PM

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