rails created_at
created_at - Automatically gets set to the current date and time when the record is first created. updated_at - Automatically gets set to the current date and time ... , I'm noticing my client side date formatter is failing because my timestamps aren't being rendered the same way rails is formatting my active ...,def grouped_created_at @created_ats = @products.group_by |c| c.created_at.to_date } end. ,By Rails http://api.rubyonrails.org/classes/ActiveRecord/QueryMethods.html#method-i-where. Meet.where("created_at < ?", Date.yesterday). or in postgresql ,Your problem is that strftime only formats the time, it doesn't actually change the time. So when you do Time.now, that returns the time. Strftime only changes the ... ,Just a note that the currently accepted answer is deprecated in Rails 3. You should do this instead: Comment.where(:created_at ... ,That would be the right way to do it, IMHO. The representation of a time as 2010-09-30 18:34:09 is conceptually just a human-friendly display of a single number. ,You can do it like this: date = Date.parse('january 5 2013') users = User.where(created_at: date.midnight..date.end_of_day). , Both attempts are okay but contains syntax error. The problem on the first attempt is that the t. is on datatype not column name.,... table row) respectively. You can remove the columns by removing the t.timestamps line from within the model migration file. Ruby on Rails Guides: Migrations.
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 rails created_at 相關參考資料
Active Record Basics — Ruby on Rails Guides
created_at - Automatically gets set to the current date and time when the record is first created. updated_at - Automatically gets set to the current date and time ... https://guides.rubyonrails.org Best practice for updated_at, created_at timestamp strings? · Issue ...
I'm noticing my client side date formatter is failing because my timestamps aren't being rendered the same way rails is formatting my active ... https://github.com Grouping created_at by date only? - Stack Overflow
def grouped_created_at @created_ats = @products.group_by |c| c.created_at.to_date } end. https://stackoverflow.com How to get yesterday data from Rails ActiveRecord - Stack Overflow
By Rails http://api.rubyonrails.org/classes/ActiveRecord/QueryMethods.html#method-i-where. Meet.where("created_at < ?", Date.yesterday). or in postgresql https://stackoverflow.com Rails - How to change created_at time? - Stack Overflow
Your problem is that strftime only formats the time, it doesn't actually change the time. So when you do Time.now, that returns the time. Strftime only changes the ... https://stackoverflow.com Rails ActiveRecord date between - Stack Overflow
Just a note that the currently accepted answer is deprecated in Rails 3. You should do this instead: Comment.where(:created_at ... https://stackoverflow.com Rails and created_at - Stack Overflow
That would be the right way to do it, IMHO. The representation of a time as 2010-09-30 18:34:09 is conceptually just a human-friendly display of a single number. https://stackoverflow.com Rails Console - Find where created at = certain day - Stack Overflow
You can do it like this: date = Date.parse('january 5 2013') users = User.where(created_at: date.midnight..date.end_of_day). https://stackoverflow.com Ruby Rails - Make Table With created_at Column - Stack Overflow
Both attempts are okay but contains syntax error. The problem on the first attempt is that the t. is on datatype not column name. https://stackoverflow.com Where do the created_at and updated_at columns come from? - Stack ...
... table row) respectively. You can remove the columns by removing the t.timestamps line from within the model migration file. Ruby on Rails Guides: Migrations. https://stackoverflow.com |