Rails counter_cache 后面的 :inverse_of => :topics 是什么意思？

evan · September 13, 2012 · Last by msl12 replied at October 13, 2016 · 3589 hits

google 无果

mongoid 缓存

hooopo #1 September 13, 2012

2 Floor has deleted

ruby_sky #3 September 13, 2012

http://api.rubyonrails.org/ 然后搜索 has_many 再搜索：inverse_of

1 likes

msl12 #4 October 13, 2016

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