我是rails的新手,我想问不同的数据库关于请求的来源。
类似于:
http://localhost:80 env: production database: production
http://localhost:8080 env: development database: development
http://localhost:8081 env: test database: test
我已经定义了三个环境。我只想换个地方!
根据的说法,在我的application.rb中,我可以适应
Rails.env = ActiveSupport::S
当我加载我的Rails控制台时,我得到以下错误
Loading development environment (Rails 3.2.3)
/Users/nataliamurashev/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/irb/magic-file.rb:7:in `initialize': No such file or directory - (Errno::ENOENT)
from /Users/nataliamurashev/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/irb/magic-f
我是Rails和Ruby的新手。我试图在OS终端中使用以下命令创建一个测试项目:
rails new project_manager
执行该命令会产生以下错误:
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:827:in `report_activate_error': Could not find RubyGem rails (>= 0) (Gem::LoadError)
from /System/Library/Frameworks/Ruby.framew
我有一个模型,它使用了许多自定义ActiveModel验证器。在安装rails_admin时,我得到以下错误
.rvm/gems/ruby-1.9.2-head/bundler/gems/rails_admin-0d80b74a60e7/lib/rails_admin/adapters/mongoid.rb:340:in `block in length_validation_lookup': undefined method `attributes' for #<MyCustomValidator:0x00000105c5aca0 @options={}> (No
我是Ruby on rails的新手。我已经在我的系统中配置了rails (Windows 7)。
在rails中创建新项目之后(localhost:3000)运行良好。我试图在我的rails项目中导入引导程序。请告诉我如何解决这个案子。
C:\row\dev\mybootstrap>rails g controller home index
C:\row\dev\mybootstrap>rails s
它显示了以下错误。
我正在尝试将我的rails应用程序设置为使用docker运行。它不断地与Could not find rake-12.3.2 in any of the sources (Bundler::GemNotFound)崩溃
Dockerfile
FROM ruby:2.6.1
RUN apt-get update -yqq && \
apt-get install -yqq --no-install-recommends \
nodejs \
nano
COPY Gemfile* /usr/src/app/
WORKDIR /usr/src/app
RUN bund
嗨,我是Rails的新手,完全不知道为什么rails服务器不能工作。我毫不怀疑答案就在下面的所有代码中,但我完全被卡住了。有什么想法吗?
Notice: server is listening on all interfaces (0.0.0.0). Consider using 127.0.0.1 (--binding option)
=> Ctrl-C to shutdown server
Exiting
/Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:370:in `parse': (<unknow
我已经多次尝试安装rails,但是我一直收到这个错误。此外,每当我将ruby更新到版本3.1并将全局安装设置为3.1时,我就会收到这样的消息,说明我仍然在2.6上。我也使用MacOS和自制。
ebirch@Ejs-MacBook-Pro ~ % sudo gem install rails
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /System/Library/Frameworks/Ruby.framework/Vers
代之以DidYouMean::SPELL_CHECKERS.merge!(error_name => spell_checker)' has been deprecated. Please call DidYouMean.correct_error(error_name,spell_checker)‘。远程: I,2022-09-07T13:32:05.994002 #19 INFO -:Raven 3.1.2准备好捕捉错误远程: Scout警告异常加载工具: remote: Scout警告:未定义的方法call' for class Redis:Client‘remot
Ubuntu有时会很痛苦。我正在尝试为我正在做的rails教程安装一个特定版本的Rails (4.2.2),我的命令行正在对我尖叫这段代码。有人能给我指明正确的方向吗?谢谢。
我第一次说..。
sudo gem install rails -v 4.2.2
然后我得到了一个丑陋的大东西..。
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1
我仍然在学习ROR,我已经花了很多时间试图弄清楚它。
我尝试过安装来自不同stackoverflow答案的各种gem。有人能帮我解决这个问题吗?谢谢
我如何使用最新版本(5.0.0.1)呢?它说:
=> Booting WEBrick
=> Rails 4.2.2 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/home/u
我正在尝试运行mongrel_rails,但得到了以下结果:
the program can't start because msvcrt-ruby18.dll is missing from your computer
Ruby然后给了我以下内容:
C:\Users\Administrator>mongrel_rails
C:/Ruby193/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': 126: The s
pecified module could not be
我是Rails的新手&我想尝试Spree Commerce,但在尝试安装Spree时遇到了一些问题,我一直在关注。
当我尝试安装Spree时,我得到以下错误:
C:\Users\Ross\Documents\eCommerce\Spree\test_spree_store>spree install
Would you like to install the default gateways? (yes/no) [yes] y
Would you like to install the default authentication system? (yes/no) [yes] y
我之前使用mac预装的ruby安装了rails。我最近通过rvm安装了ruby。
然后我就这么做了
rails -v
并得到以下错误
kingsosina$ rails -v
/Library/Ruby/Site/2.0.0/rubygems/dependency.rb:298:in `to_specs': Could not find 'railties' (>= 0) among 5 total gem(s) (Gem::LoadError)
from /Library/Ruby/Site/2.0.0/rubygems/dependency