Recent questions tagged Ruby

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ruby on rails - Adding a delete link for nested attributes

I have nested attributes in my show.erb and I create a blank nested attribute and show a grid of items with the ... , :method => :delete %> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Controller can not detect ajax requests

I am using simple_form gem and generating the form I am specifying the remote:true option like this: <%= ... have "data-remote=true"? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Switch to popup windows in cucumber, capybara

In RSpec i can use such code switch to popup window, link, How can i do such thing in Cucumber steps? ... password>" click_button 'Log In' end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - psych.rb error when deploying with Capistrano 'mapping not allowed in this context'

I'm trying to deploy a Rails app to a CentOS 6/nginx/passenger server, but cap deploy:cold is giving me an error. ... far as I can see. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - failed with error 10068: "invalid operator: $oid"

just updated to the latest version of mongoid (3.1.0) and sidekiq (2.7.2) now i'm getting the error : failed ... id]"}} what can get wrong here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Override "show" resource route in Rails

resources :some_resource That is, there is a route /some_resource/:id In fact, :id for some_resource will always be ... I reach these two goals? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - cannot load such file -- rubygems.rb

OK, it drives me crazy! I try to run ruby / rails. MacBook-Pro-2:Library me$ rvm list rvm rubies ruby-1.9.3- ... I can't find a solution so far. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Error loading Active Record gem with sinatra app using RVM

I set up a project level RVM gemset for a sinatra app I am starting that will connect to a local database with ... on what's wrong. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - RailRoad is not working. Giving me issues ie /railroad-0.5.0/lib/railroad/app_diagram.rb:54:in `disable_stdout': uninitialized constant

Here is various outputs railroad -M | dot -Tsvg > models.svg /Users/me/.rvm/gems/ruby-1.9.2-p290/gems/ ... C | neato -Tpng > controllers.png See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - How to render a PDF in the browser that is retrieve via rails controller

I have a rails app that uses Recurly. I am attempting to download a PDF and render it in the browser. I ... render the PDF in the browser? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - "No routes matches" when using current_page in Rails 3

Has anybody experienced routes mysteriously becoming undetectable when using current_page? in Rails 3? Even with a fully ... What am I missing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - How do I read only x number of bytes of the body using Net::HTTP?

It seems like the methods of Ruby's Net::HTTP are all or nothing when it comes to reading the body of a ... to check if the file is available. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Heroku rails 3.1 app - compiling assets locally vs compiling assets during slug compilation

I'm running a rails 3.1 app on Heroku Cedar stack which supports the asset pipeline. Heroku lists 3 ways ... I'm not overlooking something. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Cancan accessible_by

What exactly is happening when I do: @patient.course_enrollments.accessible_by(current_ability) What seems to happen is I ... > user.client.id} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - trying to get content inside cdata tags in xml file using nokogiri

I have seen several things on this, but nothing has seemed to work so far. I am parsing an xml via a url ... do with nokogiri to get this text? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Can "gem install" be configured to install executables outside /usr/bin/ by default?

By default, when you sudo gem install thegemname it will install executables into /usr/bin/ Is there a way ... little experience with Ruby/Gems) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Does the order of gems in your Gemfile make a difference?

Is the order in which you list your gems important? Are these two blocks equivalent? gem 'carrierwave' gem ' ... gem 'rmagick' gem 'carrierwave' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - "Encoding::InvalidByteSequenceError" error occurs in Rails 3.1.0

I updated Rails to version 3.1.0, but when I generate a new app and scaffold, it reports: Encoding:: ... the project is 'UTF-8'. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - JavaScript not loading on Heroku but works locally

I'm making an app on Rails, and it works locally, but images and JavaScript is not loading when I try to deploy ... 1.0.1' gem 'email_spec' end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - XML-based RESTful API

I've created a basic RESTful service with rails g scaffold and it fails to accept XML request sent by ... should send. Any suggestions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - gem install cannot find a header file

Following along the github README for talib_ruby: sudo port install ta-lib Complete. Next is where the ... and certain functions therein. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Can't reload ActiveRecord association from controller

Spent a working day on this. I have class Box has_many :users, :through => :subscriptions end I also have ... knows how is this possible. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - What is this Routing Error and rake routes error?

I am new to Ruby on Rails. After fiddling around with it for a week I decided to give it ago, bought a book ... 0.9.2/lib/rake/rake_module.rb:25 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - How do I determine if a string is numeric?

I thought this would be easier to find, but I'm quite surprised that it isn't. How on Earth do I test ... invalid decimal becomes 0.0 in rails See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Re-source .bashrc when restarting unicorn?

I have some ENV variables that are sourced for the deploy user. (Similar to what Heroku recommends, but without using ... do with it. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Cast between String and Classname

I have a string, containing an Class name. It is, for example, a string containing "Article". That string came up ... .all and so on. Any idea? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

ruby on rails - getting random error while upload photo with paperclip on my ftp server

I used gem "paperclip" for upload images and gem "paperclip-storage-ftp" for store images on my own ftp server. ... } end Why is this happening? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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ruby - combine 2 objects and sort rails 5

I want to show a time link mixing comments and post so I have this objects @posts = Post::all() @comments = ... and sorry for my ugly english. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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