回答編集履歴
1
誤字修正
answer
CHANGED
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@@ -19,6 +19,6 @@
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19
19
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20
20
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```ruby
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21
21
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def post_count_per_month(user_id, month)
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22
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-
Post.where(user_id:
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22
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+
Post.where(user_id: user_id, created_at: month...(month + 1.month)).count
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23
23
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end
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24
24
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```
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