virtual-attribute

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after_initialize virtual attribute

I am unable to assign a value to a virtual attribute in the after_initialize method: attr_accessor :hello_world[详细]

2023-01-24 17:13 分类：问答
update value of virtual attribute in view is not updating model

I\'m updating the value of a virtual attribute in my view but this is not being reflected in the model instance.[详细]

2023-01-24 07:45 分类：问答
virtual attribute with dates

I have a form which i\'d like to simplify.I\'m re开发者_如何学Gocording a startdate and an enddate, but would like to show the user only a startdate and then a drop down with number of days.[详细]

2023-01-20 11:22 分类：问答
Can I count based on virtual attribute?

I have the following error: no such column: company_name: SELECT count(\"contact_emails\".id) AS count_id FROM \"contact_emails\"[详细]

2023-01-11 20:15 分类：问答
Initialize virtual attributes

I have an IncomingEmail model with an attachments virtual attr开发者_开发知识库ibute: class IncomingEmail < ActiveRecord::Base[详细]

2023-01-01 22:44 分类：问答
Preference values - static without tables using a model with virtual attributes

Im trying to eliminate two tables from my database. The tables are message_sort_options and per_page_options. These tables basically just have 5 records which are options a user can 开发者_运维百科set[详细]

2022-12-24 00:12 分类：问答
Virtual attributes on new models in Rails?

This certain part of my application takes cares of creation of Webshop model for store chains (like H&M) that has one. If the chain has a website that also is a webshop it creates one Webshop mode[详细]

2022-12-19 14:44 分类：问答
Rails Validating Virtual Attributes

My model looks like this: class Item < ActiveRecord::Base has_many :locations validate :validate_item_location[详细]

2022-12-17 11:28 分类：问答