querying
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Subquery or a double query?
For a client I have built a travelagency website. Now they asked me to optimize and automize some things. One of these things is that the accommodations shown in the searchlist must be bookable.[详细]
2023-01-12 18:51 分类：问答Querying a polymorphic association
I have a polymorphic association like this - class Image < ActiveRecord::Base has_one :approval, :as => :approvable[详细]
2023-01-08 08:12 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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