Ruby on Rails 错误“无法加载此类文件——更少" [英] Ruby on Rails error "cannot load such file -- less"

问题描述

我对 ruby on rails 还很陌生，我一直在尝试使用 twitter-bootstrap 作为资产，所以我将它包含在我的 Gemfile 中，捆绑并它安装成功.但是我注意到它依赖于我执行bundle"命令时未显示的某些依赖项.

I am fairly new to ruby on rails, I have been trying to use twitter-bootstrap as an asset, so I have included it in my Gemfile, bundled and it installs successfully. However I have noticed that it relies on certain dependencies that are not shown when I do the "bundle" command.

它需要的依赖

(1) Libv8
(2) Less
(3) Less-rails

错误信息:

cannot load such file -- less
  (in c:/Sites/todo/app/assets/stylesheets/bootstrap_and_overrides.css.less)

[code]

Extracted source (around line #8):

5:   <!--[if lt IE 9]>
6:     <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"     type="text/javascript"></script>
7:   <![endif]-->
8:   <%= stylesheet_link_tag    "application", :media => "all" %>
9:   <%= javascript_include_tag "application" %>
10:   <%= csrf_meta_tags %>
11:   <meta name="viewport" content="width=device-width, initial-scale=1.0">

[/code]

Trace
app/views/layouts/application.html.erb:8:in     `_app_views_layouts_application_html_erb__560528188_27183396'
app/controllers/lists_controller.rb:7:in `index'

我已经注意到这个问题的很多答案，并选择了显而易见的解决方案，但不知何故我仍然卡住了，非常感谢一些指导.

I have noticed a lot of answers to this very question already, and have chosen the obvious solutions, but somehow I still get stuck, and would really appreciate some guidance.

推荐答案

我猜你在使用 sass 而不是 LESS.

I guess you are using sass instead of LESS.

您是否尝试过 twitter-bootstrap-rails gem?

Have you tried the twitter-bootstrap-rails gem?

gem "therubyracer"
gem "less-rails"
gem "twitter-bootstrap-rails"

https://github.com/seyhunak/twitter-bootstrap-rails

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