Rails · Topics · Ruby China

Rails undefined method `each' for nil:NilClass？这是在我提交数据的时候出的问题具体情况如下

CharlesZCB • Last by zouyu replied at September 25, 2018

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Rails Ruby Rails 怎么执行 script 中的 rb 文件？并且让其中的数据插入到数据库？执行命令是什么？

CharlesZCB • Last by CharlesZCB replied at September 23, 2018

9

Rails 请问我这里配置了两个类的关系但是在调用的时候却没有显示出我喜爱嗯要得结果，具体情况如下：

CharlesZCB • Last by CharlesZCB replied at September 23, 2018

3

Rails 图片上传的 CarrierWave 报错

aini • Last by ken replied at September 22, 2018

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Rails This website is under heavy load 怎么优化

return • Last by yfractal replied at September 21, 2018

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Rails Bundler 有提供 remove gem 的命令吗？

zouyu • Last by numbcoder replied at September 16, 2018

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Rails 总结了下 routes 的使用

heroyct • Last by heroyct replied at September 10, 2018

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Rails 部署程序如何能达到一定并发量？

love323 • Last by love323 replied at November 14, 2018

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Rails [分享] 纯 API 项目的路由书写方式

ThxFly • Last by pinewong replied at September 07, 2018

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Rails 服务器如何强行指定一次请求头的 Content-Type 为 application/json

ad583255925 • Last by bestony replied at September 07, 2018

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Rails Rails 的 PostgresSQL 可能会支持延迟加载数据查询

gzhi1992 • Last by hooopo replied at September 06, 2018

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Rails [求助] notifications 不能用 kaminari 分页？

Sylor-huang • Last by Sylor-huang replied at September 03, 2018

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Rails 由于云服务商做安全测试，exception_notification 发送大量邮件

ecloud • Last by ecloud replied at September 03, 2018

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Rails 所有用 Rails 写的网站，在参数后面加上?foo=%9g，都会直接返回一个 400，而且好像抓不住这个报错

ad583255925 • Last by ad583255925 replied at August 30, 2018

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Rails Rails 巧用 preload、 eager_load、(includes + references) 和 joins

Abel.sun • Created at August 25, 2018

Rails [求助] Rails 5.2 多重多态怎么获取正确的 url?

Sylor-huang • Last by Sylor-huang replied at August 25, 2018

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Rails Rails 5.0 与 Rails 5.1、Rails 5.2 关于 User.all 查询的疑问

lengcb • Last by msg7086 replied at August 23, 2018

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Rails NoMethodError (undefined method `User' for #<User:0x00000002586a68>):

aini • Last by aini replied at August 21, 2018

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Rails [上海] 上海奇点人才服务有限公司招聘 Ruby/ Rails 程序员 3 名

ABCD • Last by so_zengtao replied at August 18, 2018

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Rails includes 的实现原理与困境

early • Last by early replied at August 18, 2018

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Rails Rails 5.2 使用 gem action-store 后，怎么禁止在点击 “收藏” 按钮的时候，不更新时间？

Sylor-huang • Last by jonnoj replied at August 17, 2018

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Rails 设置了默认语言以后，如何去掉后面的参数

nicetyler • Last by nicetyler replied at August 17, 2018

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Rails 想用 Rails 的 API 模式写后端 API，有没有可以生成最新版 swagger 文档的 gem?

jonnoj • Last by EvanYa replied at October 21, 2021

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Rails [求助] Rails 5.2 使用 carrierwave 上传图片，怎么在选择完图片后，自动上传？

Sylor-huang • Last by Sylor-huang replied at August 12, 2018

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Rails develop 下修改路由文件不生效

xiaobai2 • Last by xiaobai2 replied at August 11, 2018

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Rails Rails 开发 SPA 项目

ecloud • Last by ecloud replied at August 10, 2018

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Rails 关于 form 表单的问题。

Nekor • Last by robertyu replied at August 09, 2018

2

Rails 请问如何写成下面这个 json 的 API？

Runable • Last by coderliu replied at August 07, 2018

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Rails [求助] Rails 5 本地搭建网站，Carrierwave-upyun 不能上传图片到又拍云？

Sylor-huang • Last by Sylor-huang replied at August 06, 2018

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Rails Enum 对 boolean 是不是特别的不友好？

LPFpengfei • Last by jasl replied at August 06, 2018

5