Michael Tsai on Twitter: "@atomicbird The documentation says that propertiesToGroupBy supports expressions. Does that not work?"

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Tom Harrington ‏@atomicbird 23 Dec 2015

Dates in Core Data can be a pain in the ass sometimes:http://stackoverflow.com/a/34442362/43832 …
4 likes

‏@mjtsai

@atomicbird The documentation says that propertiesToGroupBy supports expressions. Does that not work?

12:36 PM - 23 Dec 2015

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