Recent questions tagged ruby-on-rails

0 votes

655 views

1 answer

ruby-on-rails - 如何按属性长度对ActiveRecords列表进行排序？(How can I sort a list of ActiveRecords by an attribute length?)

I have an object like this: (我有一个这样的对象：) irb(main):076:0> hints = Hint.where("sentence LIKE ?","%你%" ... am using PostgreSQL. (我正在使用PostgreSQL ) ask by webmagnets translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

792 views

1 answer

ruby-on-rails - 在docker-compose up --build之后，Webpacker manifest.json恢复为旧资产引用(Webpacker manifest.json reverts to old asset references after docker-compose up --build)

I've been noticing a strange problem in my dockerised development environment, where the javascript assets result in a 404 ... 改admin.js 容器 ) ask by whatapalaver translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

716 views

1 answer

ruby-on-rails - 如何在Ruby中获得随机数(How to get a random number in Ruby)

如何生成0到n之间的随机数？ ask by Mark A. Nicolosi translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

645 views

1 answer

ruby-on-rails - 如何在使用Rails创建的现有博客上使用jekyll(How to use jekyll on an existing blog made with rails)

My situation is that I have just finished creating a blog using ruby on rails. (我的情况是，我刚刚使用Rails在Rails上创建了一个博客 )I ... 托管？) Thank you! (谢谢！) ask by Kenny Huynh translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

628 views

1 answer

ruby-on-rails - 行未添加到表，但未给出错误(Row not added to table, but no error given)

I'm new to Rails. (我是Rails的新手 )I have a table called TeamMemberships that has 2 foreign keys: one to Users and ... end end Thanks! (谢谢！) ask by astronautical_22 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

664 views

1 answer

ruby-on-rails - 如何在使用Rails创建的现有博客上使用jekyll(How to use jekyll on an existing blog made with rails)

My situation is that I have just finished creating a blog using ruby on rails. (我的情况是，我刚刚使用Rails在Rails上创建了一个博客 )I ... 托管？) Thank you! (谢谢！) ask by Kenny Huynh translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

492 views

1 answer

ruby-on-rails - 行未添加到表，但未给出错误(Row not added to table, but no error given)

I'm new to Rails. (我是Rails的新手 )I have a table called TeamMemberships that has 2 foreign keys: one to Users and ... end end Thanks! (谢谢！) ask by astronautical_22 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

630 views

1 answer

ruby-on-rails - 防止对特定操作进行ActiveRecord关联验证的最佳方法(Best way to prevent ActiveRecord association validations on specific actions)

I have 2 models: User and Purchase . (我有2个模型： User和Purchase )Purchases belong to Users. (购买属于用户 ) class User < ... 在寻找一种更常规的Rails方法来实现 ) ask by Doug translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

689 views

1 answer

ruby-on-rails - Rails ActiveStorage：如何避免每个映像进行一次重定向？(Rails ActiveStorage: how to avoid one redirect for each image?)

If you use ActiveStorage and you have a page with N images you get N additional requests to your Rails app (ie N redirects). ... (否则，那为什么不可能呢？) ask by collimarco translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

676 views

1 answer

ruby-on-rails - 防止对特定操作进行ActiveRecord关联验证的最佳方法(Best way to prevent ActiveRecord association validations on specific actions)

I have 2 models: User and Purchase . (我有2个模型： User和Purchase )Purchases belong to Users. (购买属于用户 ) class User < ... 在寻找一种更常规的Rails方法来实现 ) ask by Doug translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

788 views

1 answer

ruby-on-rails - Rails ActiveStorage：如何避免每个映像进行一次重定向？(Rails ActiveStorage: how to avoid one redirect for each image?)

If you use ActiveStorage and you have a page with N images you get N additional requests to your Rails app (ie N redirects). ... (否则，那为什么不可能呢？) ask by collimarco translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

718 views

1 answer

ruby-on-rails - 红宝石中的自定义排序方法(custom sort method in ruby)

I want to specify a custom block method to sort an object array in ruby, by evaluating two properties. (我想通过评估两个属性来指 ... Kind regards. (亲切的问候 ) ask by alexserver translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

803 views

1 answer

ruby-on-rails - 删除父项时，Rails将子项关联ID设置为nil(Rails Set child association id to nil when deleting parent)

This is my association set up between my Collection and Album models: (这是我的Collection夹和Album模型之间建立的关联：) class ... Collection Album时发生这种情况？) ask by rctneil translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

794 views

1 answer

ruby-on-rails - 如何在Ruby on Rails迁移中重命名数据库列？(How can I rename a database column in a Ruby on Rails migration?)

I wrongly named a column hased_password instead of hashed_password . (我错误地将列命名为hased_password而不是hashed_password ) How do I ... 列来更新数据库架构？) ask by user1994764 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

796 views

1 answer

ruby-on-rails - 如何回滚特定的迁移？(How to rollback a specific migration?)

I have the following migration file db\migrate\20100905201547_create_blocks.rb (我有以下迁移文件db\migrate\20100905201547_create_blocks.rb) ... 迁移文件？) ask by AnApprentice translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

674 views

1 answer

ruby-on-rails - 设置Rails以使用多个Redis实例(Setting up Rails to use multple Redis instances)

我们已经在Herkou设置了多个Redis实例来处理不同的缓存和队列，如何设置Rails以使用不同的实例？ ask by Falko translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

729 views

1 answer

ruby-on-rails - ＃的未定义方法“ article_comments_path”是什么意思？ article_new_path(undefined method `article_comments_path' for # Did you mean? articles_new_path)

i am getting an error and i am following ruby on rails guide https://guides.rubyonrails.org/getting_started.html can anyone help ... 则显示此类错误 ) ask by vishal jat translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

798 views

1 answer

ruby-on-rails - 无法打开与localhost：9200的TCP连接-Docker上的Rails(Failed to open TCP connection to localhost:9200 - Rails on Docker)

I 'm want to run ElasticSearch on docker and connect rails with it. (我想在docker上运行ElasticSearch并与其连接导轨 ) this is ... .git', branch: 'master' ask by Fady Yousry translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

762 views

1 answer

ruby-on-rails - 无法打开与localhost：9200的TCP连接-Docker上的Rails(Failed to open TCP connection to localhost:9200 - Rails on Docker)

I 'm want to run ElasticSearch on docker and connect rails with it. (我想在docker上运行ElasticSearch并与其连接导轨 ) this is ... .git', branch: 'master' ask by Fady Yousry translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

676 views

1 answer

ruby-on-rails - 如何按属性长度对ActiveRecords列表进行排序？(How can I sort a list of ActiveRecords by an attribute length?)

I have an object like this: (我有一个这样的对象：) irb(main):076:0> hints = Hint.where("sentence LIKE ?","%你%" ... am using PostgreSQL. (我正在使用PostgreSQL ) ask by webmagnets translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

639 views

1 answer

ruby-on-rails - 如何将3个不同模型关联到2个模型关系中(How to associate 3 different models in to a 2 model relationship)

The gist of the matter is I want to know the best way to associate the below setup. (问题的要点是我想知道关联以下设置的最佳方法 ) I have ... 车辆映射两个（2）客户 ) Thanks (谢谢) ask by N. Maina translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

721 views

1 answer

ruby-on-rails - 尝试安装pg gem时找不到'libpq-fe.h标头(Can't find the 'libpq-fe.h header when trying to install pg gem)

I am using the Ruby on Rails 3.1 pre version. (我正在使用Ruby on Rails 3.1预版本 )I like to use PostgreSQL, but the problem ... problem? (我该如何解决这个问题？) ask by demonchand translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

583 views

1 answer

ruby-on-rails - 在Ruby on Rails应用程序中加载.env(Loading .env in Ruby on Rails application)

I am setting up a heroku and I am using using this guide to set up my local environment for development. (我正在设置一个heroku，并且正在 ... 它来识别/加载 .env 文件？) ask by npresco translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

825 views

1 answer

ruby-on-rails - 无法打开与localhost：9200的TCP连接-Docker上的Rails(Failed to open TCP connection to localhost:9200 - Rails on Docker)

I 'm want to run ElasticSearch on docker and connect rails with it. (我想在docker上运行ElasticSearch并与其连接导轨 ) this is ... .git', branch: 'master' ask by Fady Yousry translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

745 views

1 answer

ruby-on-rails - ＃的未定义方法“ article_comments_path”是什么意思？ article_new_path(undefined method `article_comments_path' for # Did you mean? articles_new_path)

i am getting an error and i am following ruby on rails guide https://guides.rubyonrails.org/getting_started.html can anyone help ... 则显示此类错误 ) ask by vishal jat translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

735 views

1 answer

ruby-on-rails - ＃的未定义方法“ article_comments_path”是什么意思？ article_new_path(undefined method `article_comments_path' for # Did you mean? articles_new_path)

i am getting an error and i am following ruby on rails guide https://guides.rubyonrails.org/getting_started.html can anyone help ... 则显示此类错误 ) ask by vishal jat translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

647 views

1 answer

ruby-on-rails - 设置Rails以使用多个Redis实例(Setting up Rails to use multple Redis instances)

我们已经在Herkou设置了多个Redis实例来处理不同的缓存和队列，如何设置Rails以使用不同的实例？ ask by Falko translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

762 views

1 answer

ruby-on-rails - 如何在Ruby on Rails迁移中重命名数据库列？(How can I rename a database column in a Ruby on Rails migration?)

I wrongly named a column hased_password instead of hashed_password . (我错误地将列命名为hased_password而不是hashed_password ) How do I ... 列来更新数据库架构？) ask by user1994764 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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