https://ruby-china.org/a307697028 en-us <p>环境：ubuntu.</p> <p>步骤：</p> <ol> <li>sudo apt-get install apache2 2.gem install passenger 3.passenger-install-apache2-module</li> </ol> <p>通过以上步骤后，成功安装。 但是我找不到 apache 的 httpd.conf 文件。</p> <p>求助，在线等~~</p> a307697028 Tue, 25 Mar 2014 20:46:30 +0800 https://ruby-china.org/topics/18161 https://ruby-china.org/topics/18161 <p>gem install passenger</p> <p>ERROR: Error installing passenger: invalid gem: package metadata is missing in /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/cache/daemon_controller-1.2.0.gem</p> <p>怎么解决啊？？</p> <p>在线等~~~</p> a307697028 Mon, 24 Mar 2014 17:07:54 +0800 https://ruby-china.org/topics/18134 https://ruby-china.org/topics/18134 <p>对于 Mass assignment 这个东西，google，百度了很久，一直找不到很好的答案。求大神能详细解释。</p> a307697028 Fri, 07 Mar 2014 17:43:23 +0800 https://ruby-china.org/topics/17728 https://ruby-china.org/topics/17728 <p>rails 3 与 rails 4 差异，导致 ActiveModel::ForbiddenAttributesError 的解决方法： rails3 :</p> <p>def create <a href="/event" class="user-mention" title="@event"><i>@</i>event</a> = Event.new(params[:event]) end</p> <p>rails4:</p> <p>def create <a href="/event" class="user-mention" title="@event"><i>@</i>event</a> = Event.new(event_params) end</p> <p>private</p> <p>def event_params params.require(:event).permit(:name,:description,:) end</p> a307697028 Fri, 07 Mar 2014 17:00:25 +0800 https://ruby-china.org/topics/17726 https://ruby-china.org/topics/17726 <p>执行： rails g observer user 后，提示： could not find generateor observer.</p> <p>求解答呢，在线等~~~</p> a307697028 Fri, 07 Mar 2014 13:57:33 +0800 https://ruby-china.org/topics/17718 https://ruby-china.org/topics/17718 <p>我在 routes.rb 中添加：</p> <pre class="highlight ruby"><code><span class="n">match</span> <span class="s1">':controller(/:action(/:id(.:format)))'</span> </code></pre> <p>执行</p> <p>rails g controller 命令报错</p> <p>ubuntu@ubuntu:~/project/demo$ rails g controller www /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:191:in <code>normalize_conditions!': You should not use the</code>match<code>method in your router without specifying an HTTP method. (RuntimeError) If you want to expose your action to both GET and POST, add</code>via: [:get, :post]<code>option. If you want to expose your action to GET, use</code>get<code>in the router: Instead of: match "controller#action" Do: get "controller#action" from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:67:in</code>initialize' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:1443:in <code>new' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:1443:in</code>add_route' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:1422:in <code>decomposed_match' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:1403:in</code>block in match' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:1394:in <code>each' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/mapper.rb:1394:in</code>match' from /home/ubuntu/project/demo/config/routes.rb:62:in <code>block in &lt;top (required)&gt;' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:341:in</code>instance_exec' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:341:in <code>eval_block' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:319:in</code>draw' from /home/ubuntu/project/demo/config/routes.rb:1:in <code>&lt;top (required)&gt;' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-4.0.3/lib/active_support/dependencies.rb:223:in</code>load' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-4.0.3/lib/active_support/dependencies.rb:223:in <code>block in load' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-4.0.3/lib/active_support/dependencies.rb:214:in</code>load_dependency' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-4.0.3/lib/active_support/dependencies.rb:223:in <code>load' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:40:in</code>block in load_paths' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:40:in <code>each' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:40:in</code>load_paths' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:16:in <code>reload!' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:26:in</code>block in updater' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-4.0.3/lib/active_support/file_update_checker.rb:75:in <code>call' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/activesupport-4.0.3/lib/active_support/file_update_checker.rb:75:in</code>execute' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:27:in <code>updater' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/routes_reloader.rb:6:in</code>execute_if_updated' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application/finisher.rb:69:in <code>block in &lt;module:Finisher&gt;' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/initializable.rb:30:in</code>instance_exec' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/initializable.rb:30:in <code>run' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/initializable.rb:55:in</code>block in run_initializers' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:150:in <code>block in tsort_each' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:183:in</code>block (2 levels) in each_strongly_connected_component' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:219:in <code>each_strongly_connected_component_from' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:182:in</code>block in each_strongly_connected_component' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:180:in <code>each' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:180:in</code>each_strongly_connected_component' from /home/ubuntu/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/tsort.rb:148:in <code>tsort_each' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/initializable.rb:54:in</code>run_initializers' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application.rb:215:in <code>initialize!' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/railtie/configurable.rb:30:in</code>method_missing' from /home/ubuntu/project/demo/config/environment.rb:5:in <code>&lt;top (required)&gt;' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application.rb:189:in</code>require' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/application.rb:189:in <code>require_environment!' from /home/ubuntu/.rvm/gems/ruby-1.9.3-p545/gems/railties-4.0.3/lib/rails/commands.rb:44:in</code>' from bin/rails:4:in <code>require' from bin/rails:4:in</code></p>'<p></p> a307697028 Tue, 04 Mar 2014 11:35:11 +0800 https://ruby-china.org/topics/17649 https://ruby-china.org/topics/17649