Recent questions tagged ruby

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599 views

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ruby on rails - Removing all empty elements from a hash / YAML?

How would I go about removing all empty elements (empty list items) from a nested Hash or YAML file? See Question&Answers more detail:os...

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

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362 views

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ruby on rails - What is the difference between attr_accessible(*attributes) & attr_protected(*attributes)?

What is the difference between attr_accessible(*attributes) & attr_protected(*attributes)? Examples would be nice. ... in different scenarios? See Question&Answers more detail:os...

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

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480 views

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ruby on rails 3 - Same Model for Two belongs_to Associations

I have an model PointOfContact which has_many Systems. From the Systems side I want to identify the PointOfContact as ... 1 items, got 0 See Question&Answers more detail:os...

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

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626 views

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ruby on rails - ImageMagick / RMagick - Can't install RMagick 2.13.1. Can't find Magick-config

I used a script to install ImageMagick http://github.com/masterkain/ImageMagick-sl After a while, I got ImageMagick ... and Rails 3. 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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486 views

1 answer

ruby on rails 3 - gem install json -v 1.7.3 gives 'Please update your PATH to include build tools'

When I run: rails new blog I get: Installing json (1.7.3) Gem::InstallError: The 'json' native gem requires ... do I do to remedy these errors? See Question&Answers more detail:os...

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

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464 views

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ruby - How do I get Haml to work with Rails?

I am trying to get Haml to work with my Ruby on Rails project. I am new to Ruby on Rails and I really like ... . I am using NetBeans as my IDE. See Question&Answers more detail:os...

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

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664 views

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ruby - Rails: Should partials be aware of instance variables?

Ryan Bates' nifty_scaffolding, for example, does this edit.html.erb <%= render :partial => 'form' %> new.html ... this whole thing... 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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479 views

1 answer

ruby - Installing CocoaPods: no response

Trying to install CocoaPods from the terminal: $ sudo gem install cocoapods After entering my root password, nothing ... can I debug that? See Question&Answers more detail:os...

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

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622 views

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ruby - Devise logged in root route rails 3

Heyya guys. So i thought about this coolio idea, if you are logged in then you get some sort of dashboard, ... thanks in advance! / Oluf Nielsen See Question&Answers more detail:os...

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

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574 views

1 answer

ruby on rails 3 - How to implement multiple different serializers for same model using ActiveModel::Serializers?

Let's say you're implementing a REST API in Rails. When serving a collection, you might want to only ... @people or: render json: @person See Question&Answers more detail:os...

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

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376 views

1 answer

ruby - Rails - The system cannot find the path specified

I have installed Rails and Ruby on Windows with railsinstaller. The problem is, when I run the rails command, it ... but rails -v= dont work. See Question&Answers more detail:os...