I realize that this is probably a very basic question, but I have spent days coming back to it now and for some reason Google just isn\'t helping me. (I think part of the problem is that I\'m such a b
post.rb Model after_update :assign_owner def assign_owner开发者_运维问答 self.owner = \"test\" end
im trying to build a cart in ruby on rails it requires me to show the output like this : You have 3 items in your cart (3 being the number of items in my cart) and im trying to find the number of rows
Is there any way I can validate a single attri开发者_运维问答bute in ActiveRecord? Something like:
Where can I find a list of data types that can be used in rails 3? (such as text,开发者_StackOverflow社区 string, integer, float, date, etc.?) I keep randomly learning about new ones, but I\'d love to
Please help me in understanding the :source option of has_one/has_many :through association. The Rails API explanation makes very little sense to me.
I\'m hoping there is a easy solution that doesn\'t involve find_by_sql, if not then I guess that will have to work.
I\'ve set up a trigger-based partitioning scheme on one of our pg 8.3 databases 开发者_如何学运维according to the pg docs here:. Basically, I have a parent table, along with several child tables. An i
How do you delete a开发者_StackOverflow中文版n ActiveRecord object? I looked at Active Record Querying and it does not have anything on deleting that I can see.
Say I have a Statement model, which has_many :months. There are always 12 months associated with a statement, but the first month can vary (eg months = [Mar, Apr, May...Jan, Feb])
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