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    I have this: str = "some html code [img]......[/img] some html code [img]......[/img]" and I want to get this: ... .[/img]","[img]......[/img]"] 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 just started the ruby.railstutorial.org book by Michael Hartl and have been working through the first chapter ... be most appreciated. 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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    My development environment is a Windows machine running ruby 1.9.3p125 (RubyInstaller) and rails 3.2.8. ... go about making the transformation? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In Ruby 1.9.2 on Rails 3.0.3, I'm attempting to test for object equality between two Friend (class ... assert those two objects are equal? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Just switched from Cucumber+Webrat to Cucumber+Capybara and I am wondering how you can POST content to a URL in Capybara ... a POST to the URL? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In application.rb, it says: Set Time.zone default to the specified zone and make Active Record auto-convert to this ... ) What's going on here? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Given an array, how can I find all indices of elements those match a given condition? For example, if I have: ... a nicer way to achieve 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 am porting a 2.x rails app to rails3; we'll call it foo-app. Foo-app is one section of a ... not reflecting the relative_url_root value I set? 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 array of ids a1 = [1, 2, 3, 4, 5] and I have another array of objects with ids in random ... me the most efficient way of sorting a2? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    There is the following code: class Product < ActiveRecord::Base validates :title, :description, :image_url, presence: true ... How can I fix it? 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 2 models. Report and Server that have a belongs_to and has_many relationship. I created an accessor ... :company_id has_many :reports end See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    On destruction of a restful resource, I want to guarantee a few things before I allow a destroy operation ... operation should be accepted? 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 this little rake task: namespace :db do namespace :test do task :reset do ENV['RAILS_ENV'] = "test" ... I make this task work as expected See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Relatively new to rails and trying to model a very simple family "tree" with a single Person model that has ... /better way altogether? 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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    Is there any way of overriding a model's id value on create? Something like: Post.create(:id => 10, :title ... ideal, but obviously won't work. 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'd like to run a rake task in my controller. Is there any way to do 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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    Are variables within YAML files possible? For example: theme: name: default css_path: compiled/themes/$theme.name ... What is the syntax? 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 find the best way to set default values for objects in Rails. The best I can think of is to set ... 's a better way to do it? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    With ruby-on-rails, I want to store an array of 3 elements: the last 3 comments of a post. I know I ... serialized array or in a JSON object ? 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 Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7. When I try to use 1.week.ago I ... What gives? All of this is in IRB. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Background: We've built a chat feature in to one of our existing Rails applications. We're using the new ... obtrusive and goofy as heck. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Please explain the difference between has_and_belongs_to_many and has_many through relationship. When and where to use which one? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How can I check if a string is a valid URL? For example: http://hello.it => yes http:||bra.ziz, => no ... if this is relative to a image file? 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 MySQL installed to the latest version due to some installation going wrong somewhere along the line ... mac-os-x-snow-leopard/ 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 push my app on heroku. I am still in dev. I use devise with the confirmable module. When I try ... 1.8/timeout.rb:62:in `timeout' 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 install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 ... libcurl How can this be resolved? 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 already have a deploy.rb that can deploy my app on my production server. My app contains a custom rake ... will remotely run that rake task. 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 new to rails. What I see that there are a lot of ways to find a record: find_by_<columnname>(< ... recommendation on which one to use? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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