当我执行 rake db:create 显示错误 Constants DL and Fiddle is not Defined 时
我正在使用红宝石2.2.3。我认为我的 rjb 有问题
耙子中止！
常量 DL 和 Fiddle 未定义。/home/nibo/.rvm/gems/ruby-2.2.5/gems/rjb-loader-0.0.2/lib/rjb-loader.rb:62:in load'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/rjb-loader-0.0.2/lib/rjb-loader.rb:62:ininit'/home/nibo/.rvm/gems/ruby -2.2.5/gems/rjb-loader-0.0.2/lib/rjb-loader.rb:72:在block in <class:Railtie>'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/lazy_load_hooks.rb:36:in调用'/home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2。 10/lib/active_support/lazy_load_hooks.rb:36:execute_hook'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/lazy_load_hooks.rb:45:in在 run_load_hooks' /home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/lazy_load_hooks.rb:44 中的块中：在each'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/lazy_load_hooks.rb:44:inrun_load_hooks'/home/nibo/.rvm/gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/ block in <module:Finisher>'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/initializable.rb:30:inapplication/finisher.rb:62:在instance_exec'/home/nibo/.rvm /gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/initializable.rb:30 run'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/initializable.rb:55:in:在 run_initializers' /home/nibo/.rvm/gems/ruby-2.2.5/gems/ 中的块中Railties-4.2.10/lib/rails/initialized.rb:54:run_initializers'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/application.rb:352:in初始化！' /home/nibo/rails_workplace/ekylibre/config/environment.rb:5:in <top (required)>'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/skylight-1.3.1/lib/skylight/probes.rb:81:inrequire'/home/nibo/.rvm/gems/ruby-2.2.5/gems/skylight-1.3.1/lib/skylight/probes。 rb：81：在require'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/polyglot-0.3.5/lib/polyglot.rb:65:in需要'/home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/dependency.rb：274：在block in require'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/dependencies.rb:240:inload_dependency'/home/nibo/。 rvm/gems/ruby-2.2.5/gems/activesupport-4.2.10/lib/active_support/dependencies.rb:274:在require'
/home/nibo/.rvm/gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/application.rb:328:inrequire_environment 中！' /home/nibo/.rvm/gems/ruby-2.2.5/gems/railties-4.2.10/lib/rails/application.rb:457:in block in run_tasks_blocks'
/home/nibo/rails_workplace/ekylibre/lib/tasks/db/tenanting.rake:19:in' …
我有一个数组:
["7", "8", "11", "13", "14"]
我想要最接近的次等数(11如果有的话8),或者如果这样的数字不存在,那么最接近的优等数就是11(即13).