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    I installed Ruby and Mechanize. It seems to me that it is posible in Nokogiri to do what I want to do but I do not ... > </tr> </tbody> </table> See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to get Custom Routes working in my Rails application (Ruby 1.9.2 with Rails 3). This is my ... on Mac OSX Snow Leopard. Thanks! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Why am i getting this error? shibly@mybox:~/blog$ rails server /home/shibly/.gem/ruby/2.2.4/gems/bundler-1.11.2/ ... from bin/rails:9:in `<main> See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an album which has_many photos. A counter_cache setup updates the photos_count column in the album table. How ... of photos for an album? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have noticed that when I change rails project files such as a html.erb or .css, I don't have to restart ... the webpage to see the changes. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    It seems the most commonly accepted way to deal with Selenium and tests is to avoid using transactional fixtures and ... this shouldn't be used? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is it possible to use Simple Form (by: Plataformatec) without a model? https://github.com/plataformatec/simple_form See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a model that uses a serialized column: class Form < ActiveRecord::Base serialize :options, Hash end Is ... use JSON instead of YAML? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've been coding in Ruby for sometime now, but I don't understand when to use: def self.METHOD_NAME end or just ... and when not?. Thanks a ton. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am doing the Rails Tutorial for the second time. When I enter this rails generate integration_test ... without messing everything up? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am using ruby-1.8.7-p302/Rails 2.3.11. I am trying to use FQL (Facebook API) to get stats for a link. ... this could be a bug in Net::HTTP. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    As the title says, Google doesn't give anything useful concerning this. How do I set up and configure ... so I appreciate detailed answers. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I know there are a lot of questions about this gem but no answer has worked for me. When I run in SSH gem ... from extconf.rb:419:in `<main>' See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Disclaimer, I know very little about Rails. I'll try to be succinct. Given the following model relations in Rails: class ... 1, 2 and 3] } } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    The error message: Building native extensions. This could take a while... ERROR: Error installing rails: ERROR: ... 08) [x86_64-linux-gnu] See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm getting a NoMethodError when trying to access a method defined in one of my helper modules from one ... then everything works correctly. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This is useful if you are trying to create class methods metaprogramatically: def self.create_methods(method_name) # To ... answer to follow... See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is Sinatra multi-threaded? I read else where that "sinatra is multi-threaded by default", what does that ... instance of the application? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the difference between form_for and form_tag? Is anything different for form_remote_for and form_remote_tag? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    We're working on a Ruby on Rails app that needs to take advantage of html5 websockets. At the moment, we ... advice or suggestions. :) -John See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    class Users < ActiveRecord::Base has_many :meetings, :through => :meeting_participations has_many :meeting_participations ... solution to this? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm having trouble converting a UTC Time or TimeWithZone to local time in Rails 3. Say moment is some Time ... and are (UTC-5) yearlong. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have model Person that has many Images, where images has a Paperclip attachment field called data, an abbreviated ... I am using Rails 3. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Looking at different options: One is to just put the static pages in the public/ folder, but I do want the ... .rhtml. who has done this? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    If post.published? .post / Post stuff Otherwise .post.gray / Post stuff I've implemented this with rails helper ... ?).to_s} / Post stuff See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to use the methods I defined in app/helpers/annotations_helper.rb in my ReportMailer views (app/views/ ... This is pretty annoying.) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am using Paperclip (w/ Amazon s3) on Rails 3. I want to delete an existing attachment without replacing it ... image? I appreciate any help! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to use Angularjs framework in my app with turbolinks. After page change it do not initialize new ... it work? Thanks in advance! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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