Ruby on Rails에서 전역으로 함수의 이름을 바꾸는 방법은 무엇입니까?

나는 활성 관리자를 설치하고이 내가 전 세계적으로 "sign_in_" "sign_in"기능을 이름을 변경하고자하는 http://www.rqna.net/qna/mrumzr-argumenterror-in-activeadmin-devise-sessionscontroller-create.html Ruby on Rails에서 전역으로 함수의 이름을 바꾸는 방법은 무엇입니까?

우연히 같은 오류입니다. 이 작업을 올바르게 수행하려면 어떻게해야합니까? 나는 다른 것을 엉망으로 만들고 싶지 않습니다. 모듈 SessionsHelper 별칭 : sign_in_ : 미확정 sign_in :

나는이 방법을 시도 끝

sign_in을하지만 내 레일 서버를 시작하려고 할 때 그것은 나에게 오류를 제공합니다. 내 sessionhelper 파일의 "끝"없이 단지 별칭 및 미확정 행을 포함 할 때 여기에

 Called from: C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/action 
pack-3.2.3/lib/action_dispatch/middleware/session/abstract_store.rb:28:in `initi 
alize'. 

Exiting 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/act 
ive_support/dependencies.rb:469:in `load': C:/Users/Me/Desktop/sample_app/app/he 
lpers/sessions_helper.rb:48: syntax error, unexpected keyword_end, expecting $en 
d (SyntaxError) 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `block in load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:639:in `new_constants_in' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:468:in `load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:353:in `require_or_load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:313:in `depend_on' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:225:in `require_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:135:in `block in modules_for_helpers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:131:in `map!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:131:in `modules_for_helpers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_controller/metal/helpers.rb:92:in `modules_for_helpers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:95:in `helper' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_controller/railties/paths.rb:18:in `block (2 levels) in with' 
     from C:/Users/Me/Desktop/sample_app/app/controllers/application_controll 
er.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `block in load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:639:in `new_constants_in' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:468:in `load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:353:in `require_or_load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:502:in `load_missing_constant' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:192:in `block in const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/inherited_reso 
urces-1.3.1/app/controllers/inherited_resources/base.rb:11:in `<module:Inherited 
Resources>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/inherited_reso 
urces-1.3.1/app/controllers/inherited_resources/base.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `block in load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:639:in `new_constants_in' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:468:in `load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:353:in `require_or_load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:502:in `load_missing_constant' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:192:in `block in const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/base_controller/menu.rb:2:in `<module:ActiveAdmin>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/base_controller/menu.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `block in require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/base_controller.rb:2:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/resource_controller/actions.rb:2:in `<module:ActiveAdmin>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/resource_controller/actions.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `block in require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/resource_controller.rb:2:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/batch_actions.rb:7:in `block in <top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:25:in `call' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:25:in `block in dispatch' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:24:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:24:in `dispatch' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/application.rb:187:in `load!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/application.rb:213:in `routes' 
     from C:in `routes' 
     from C:/Users/Me/Desktop/sample_app/config/routes.rb:2:in `block in <top 
(required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/routing/route_set.rb:282:in `instance_exec' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/routing/route_set.rb:282:in `eval_block' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/routing/route_set.rb:260:in `draw' 
     from C:/Users/Me/Desktop/sample_app/config/routes.rb:1:in `<top (require 
d)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:245:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:245:in `block in load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:245:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:40:in `block in load_paths' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:40:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:40:in `load_paths' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:16:in `reload!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application.rb:108:in `reload_routes!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/reloader.rb:34:in `reload!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/reloader.rb:61:in `block in attach!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:429:in `_run__63132682__prepare__586461675 
__callbacks' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:405:in `__run_callback' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:385:in `_run_prepare_callbacks' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:81:in `run_callbacks' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/middleware/reloader.rb:74:in `prepare!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/middleware/reloader.rb:48:in `prepare!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/finisher.rb:47:in `block in <module:Finisher>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:30:in `instance_exec' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:30:in `run' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:55:in `block in run_initializers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:54:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:54:in `run_initializers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application.rb:136:in `initialize!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/railtie/configurable.rb:30:in `method_missing' 
     from C:/Users/Me/Desktop/sample_app/config/environment.rb:5:in `<top (re 
quired)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `block in require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/Users/Me/Desktop/sample_app/config.ru:3:in `block in <main>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/builder.rb:51:in `instance_eval' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/builder.rb:51:in `initialize' 
     from C:/Users/Me/Desktop/sample_app/config.ru:in `new' 
     from C:/Users/Me/Desktop/sample_app/config.ru:in `<main>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/builder.rb:40:in `eval' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/builder.rb:40:in `parse_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/server.rb:200:in `app' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/commands/server.rb:46:in `app' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/server.rb:304:in `wrapped_app' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.4.5/lib 
/rack/server.rb:254:in `start' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/commands/server.rb:70:in `start' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/commands.rb:55:in `block in <top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/commands.rb:50:in `tap' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/commands.rb:50:in `<top (required)>' 
     from script/rails:6:in `require' 
     from script/rails:6:in `<main>' 

C:\Users\Me\Desktop\sample_app>

그런 다음 명령 프롬프트에서 전체 오류 메시지 출력, 난 서버

를 다시 시작하려고 다음과 같은 오류 출력을 얻을

Exiting 
C:/Users/Me/Desktop/sample_app/app/helpers/sessions_helper.rb:3:in `<module:Sess 
ionsHelper>': undefined method `sign_in' for module `SessionsHelper' (NameError) 

     from C:/Users/Me/Desktop/sample_app/app/helpers/sessions_helper.rb:1:in 
`<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `block in load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:639:in `new_constants_in' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:468:in `load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:353:in `require_or_load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:313:in `depend_on' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:225:in `require_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:135:in `block in modules_for_helpers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:131:in `map!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:131:in `modules_for_helpers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_controller/metal/helpers.rb:92:in `modules_for_helpers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/abstract_controller/helpers.rb:95:in `helper' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_controller/railties/paths.rb:18:in `block (2 levels) in with' 
     from C:/Users/Me/Desktop/sample_app/app/controllers/application_controll 
er.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `block in load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:639:in `new_constants_in' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:468:in `load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:353:in `require_or_load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:502:in `load_missing_constant' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:192:in `block in const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/inherited_reso 
urces-1.3.1/app/controllers/inherited_resources/base.rb:11:in `<module:Inherited 
Resources>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/inherited_reso 
urces-1.3.1/app/controllers/inherited_resources/base.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:469:in `block in load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:639:in `new_constants_in' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:468:in `load_file' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:353:in `require_or_load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:502:in `load_missing_constant' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:192:in `block in const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:190:in `const_missing' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/base_controller/menu.rb:2:in `<module:ActiveAdmin>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/base_controller/menu.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `block in require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/base_controller.rb:2:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/resource_controller/actions.rb:2:in `<module:ActiveAdmin>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/resource_controller/actions.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `block in require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:251:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/resource_controller.rb:2:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/batch_actions.rb:7:in `block in <top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:25:in `call' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:25:in `block in dispatch' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:24:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/event.rb:24:in `dispatch' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/application.rb:187:in `load!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/application.rb:213:in `routes' 
     from C:in `routes' 
     from C:/Users/Me/Desktop/sample_app/config/routes.rb:2:in `block in <top 
(required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/routing/route_set.rb:282:in `instance_exec' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/routing/route_set.rb:282:in `eval_block' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/routing/route_set.rb:260:in `draw' 
     from C:/Users/Me/Desktop/sample_app/config/routes.rb:1:in `<top (require 
d)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:245:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:245:in `block in load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/dependencies.rb:245:in `load' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:40:in `block in load_paths' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:40:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:40:in `load_paths' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/routes_reloader.rb:16:in `reload!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application.rb:108:in `reload_routes!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/reloader.rb:34:in `reload!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activeadmin-0. 
5.1/lib/active_admin/reloader.rb:61:in `block in attach!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:429:in `_run__81379729__prepare__328171315 
__callbacks' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:405:in `__run_callback' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:385:in `_run_prepare_callbacks' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport- 
3.2.3/lib/active_support/callbacks.rb:81:in `run_callbacks' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/middleware/reloader.rb:74:in `prepare!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2 
.3/lib/action_dispatch/middleware/reloader.rb:48:in `prepare!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application/finisher.rb:47:in `block in <module:Finisher>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:30:in `instance_exec' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:30:in `run' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:55:in `block in run_initializers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:54:in `each' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/initializable.rb:54:in `run_initializers' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/application.rb:136:in `initialize!' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.3 
/lib/rails/railtie/configurable.rb:30:in `method_missing' 
     from C:/Users/Me/Desktop/sample_app/config/environment.rb:5:in `<top (re 
quired)>'

출처

2013-03-05 syk

정의 된 것과 동일한 모듈에서 작업해야합니다.

module SessionsHelper 
    alias :sign_in_ :sign_in 
    undef :sign_in 
end

출처

2013-03-05 11:50:11 sawa

타사 방식을 정의하지 않도록주의하십시오. 나는 능동적 인 관리자를 사용하지 않았지만 다른 곳에서도 사용할 수 있습니다. – andy

@andy 네 말이 맞아. 사용 방법에 따라 문제가 발생할 수 있습니다. – sawa

이것은 레일즈 서버를 시작하려고 할 때 나타나는 오류 메시지입니다. C : /RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support /dependencies.rb:469 '로드': C : /sampleapp/app/helpers/sessions_helper.rb : 49 : 구문 오류 – syk

Ruby on Rails에서 전역으로 함수의 이름을 바꾸는 방법은 무엇입니까?

답변

관련 문제