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Answer by Alexey Popkov for Pattern matching and HoldForm
As Leonid explained in the comment, HoldForm is not transparent for the pattern matcher as opposed to HoldPattern:MatchQ[#, HoldForm[_]] & /@ {a, HoldForm[a]}MatchQ[#, HoldPattern[_]] & /@ {a,...
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Create rules based on data.I have a system that picks out on date,based on some rules. I then want to generate a new rule based on this date and apply the rule to a new dataset. datePicked={{2008, 3,...
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