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  • 2023/12/25 -In summary, validate is used to define custom validation methods, while validates is used to apply built-in validation rules to model attributes. Both are ...

    2024/4/16 -Rails 7.1 added a validation option for enum, so it's now straightforward to validate that the value of an enum attribute is an allowed value and, ...

    2023/11/5 -Why use validations? To ensure only valid data is saved to your database. On top of clientside validation, model-level validations provide an extra layer of ...

    2023/11/15 -In this post, we'll learn how to customize Rails validation error messages to remove the leading attribute column names, using custom validation methods.

    2023/9/5 -When building web applications with Ruby on Rails, data validation ensures the integrity and security of your application's data within the database.

    2023/9/14 -Rails validations are application side and are performed before an INSERT or UPDATE query is attempted. They are just callbacks that are fired before ...

    A.回答を一意にするUserなのかどうかを判別するフラグを新たに持たせて、それをwith_optionsメソッドで判定すればいいです。 以下を参考にしてください。 Railsで特定の条件下で走る...

    A.validates は ActiveModel::Validations モジュールで 定義されてる特異メソッドで ActiveRecord::Base などの フィールドをチェックします。 今...

    A.データベースより前に、フロントエンドの脆弱性対策が先だと思います。 まずは、無料のツールを使ってみてはいかがですか。 https://yun-craft.com/admin-blog/tomiz...

    2023/11/26 -Fairly new to Rails, here: I have one table called Users. It has a record for each user, including a bunch of attributes including the username, password, ...

    2024/3/9 -The best tool we have in Rails for validating parameters is params.require(:product).permit(:name, :description) . Which is at very least limited, if not to say ...

    2023/12/21 -Learn how to ensure data integrity in your Ruby on Rails applications through powerful model validations. Explore code samples and best practices.

    2024/4/8 -The goal is to apply validations that protect the application while keeping it accessible and efficient. This approach involves using Rails' validation features ...