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prune_lab_datas
2010 Mar 23
0
Frozen hash problem
I''d like to delete some records before saving them. I ran this
experiment:
before_save :prune_lab_datas
def prune_lab_datas
lab_datas.each do |lab_data|
lab_data.destroy
end
raise lab_datas.to_yaml
end
But nothing seems to be deleted in the hash:
---
- &id001 !ruby/object:LabData
attributes:
created_at: 2010-03-21 22:16:06
unit_id: "3"
lab_id: &qu...