rails optional
Do you have a validation that requires user be present? If so, remove that.,Do you have a validation that requires user be present? If so, remove that.
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 rails optional 相關參考資料
Specify an optional reference in your Rails model - Stack Overflow
This looks like a simple has_many and belongs_to relationship: # app/models/sponsor.rb class Sponsor < ActiveRecord::Base has_many ... https://stackoverflow.com ruby - Rails optional belongs_to - Stack Overflow
Do you have a validation that requires user be present? If so, remove that. https://stackoverflow.com Rails optional belongs_to - Stack Overflow
Do you have a validation that requires user be present? If so, remove that. https://stackoverflow.com Model 關連性為你自己學Ruby on Rails | 高見龍 - railsbook.tw
事實上，在Rails 裡所謂的關係，是指在Model 層級的關係，主要是透過Model .... 但如果覺得這樣有點麻煩想要關掉，可在 belongs_to 後面加上 optional: true 的參數：. https://railsbook.tw Rails 5 makes belongs_to association required by default | BigBinary ...
Rails 5 makes it necessary to have belongs_to association record by ... on belongs_to association, we need to add option required: true . https://blog.bigbinary.com Railsのbelongs_toに指定できるoptional: trueとは？ - そうきたか
今年1月に転職して新しい環境で働き始めていて、そこのプロジェクトではRuby on Railsを使っています。 今までRuby on Railsでサービス等を作った ... https://blog.ryskit.com Optional where in Rails - Stack Overflow
You can pass the conditions to where in a hash syntax so just create a hash with all the conditions and pass it to where conditions = } conditions[:status] ... https://stackoverflow.com Rails optional association query - Stack Overflow
Using includes with where clause in rails 4.2 generates a LEFT OUTER JOIN query. Please take a look at the generated sql in rails console . $ rails c ... https://stackoverflow.com Rails 5: belongs_to :class, optional: true · Issue #870 · thoughtbot ...
belongs_to will now trigger a validation error by default if the association is not present. We can turn this off on a per-association basis with ... https://github.com Rails optional argument - Stack Overflow
It's as simple as this: class Person attr_accessor :name, :age def initialize(name = '', age = 0) self.name = name self.age = age end end Person.new('Ivan', 20) ... https://stackoverflow.com |