英文: How to use Postgresql's "real" (float4) type in Rails 7.0, instead of the "do...
Chromedriver被测试数据库拒绝。
英文: Chromedriver getting rejected by test database 问题 I understand that you want specific parts of t...
Unable to use Active Record's update method on a single attribute. Is it due to callbacks or validations?
英文: Unable to use Active Record's update method on a single attribute. Is it due to callbacks or...
ERROR: PG::NotNullViolation: ERROR: null value in column "service_name" violates not-null constraint after upgrade Rails to 7.0.6
英文: ERROR: PG::NotNullViolation: ERROR: null value in column "service_name" violates not-n...
从Rails请求中提取实际的POST参数
英文: Extracting the actual POST parameters from a Rails request 问题 为什么 request_parameters() 方法包括了冗余的嵌...
如何使用Ruby on Rails对现有数据进行加密?
英文: How to encrypt existing data with Ruby on Rails? 问题 我想对数据库中的某些表的某些字段进行加密。如果我在模型类中添加encrypts:'fie...
从Rails字符串中提取子字符串的中间部分。
英文: Extracting substring from the middle of a string in Rails 问题 I'm trying to extract a substring f...
如何在Ruby中解析JSON字符串数据,其中键是符号而不是字符串?
英文: How to parse json string data having symbols as key instead of string in Ruby? 问题 这是 JSON 字符串的示例...
如何为抽象类的子类编写测试?Rails要求为父类指定表名吗?
英文: How to write tests for child of abstract class? Rails expects a table name to be specified for t...
如何在Rails 7中设置ActionCable?
英文: How to setup actioncable in rails 7? 问题 我已经尝试了几天,但一直无法获得Rails 7应用程序。我尝试了许多教程,其中许多已经过时,没有得到有用的结果。...
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