gem

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What is the default search path for Ruby gems? i.e. the default GEM_HOME

What is the default search path for Ruby gems?I\'m trying to figure what directories I can pass to gem\'s --install-dir switch, so that I don\'t have to set the environment variable GEM_HOME for the g[详细]

2023-02-12 17:54 分类：问答
rails gem permissions problem (tabs on rails)

I\'m having trouble running a gem, tabs on rails -v=1.3.2, in my rails 2.3.8 app.The gem is installed locally (Ubuntu 10.10) and I have config.gem \"tabs_on_rails\", :version=>\"1.3.2\" in environment[详细]

2023-02-12 13:42 分类：问答
How to get the value of a merged cell?

I am working on a project which has to make pdf report from couple of Excel files. The files should look like this: http://img194.imageshack.us/i/24766860.jpg/ and the pdf should look like this: http:[详细]

2023-02-12 11:41 分类：问答
How to convert html color names into RGB values in Ruby?

I know there is a gem called Color. I installed it. But for the life of me, I can\'t figure out how to use the thing.[详细]

2023-02-11 23:11 分类：问答
How do I debug an error in a gem?

I\'m getting this error with the Paperclip gem. NoMethodError (You have a nil object when you didn\'t expect it![详细]

2023-02-11 16:22 分类：问答
How do I override Activerecord gem with my own in rails?

We\'ve found an error in the开发者_StackOverflow中文版 code for multi-schema databases in ActiveRecord (we\'re fairly positive it\'s an error, atleast ;).So we\'ve patched the file and submitted a pul[详细]

2023-02-11 15:09 分类：问答
How to use ar_mailer_rails3?

sorry for my bad english, I\'m french. I\'m trying to make a newsletter solution for prestashop, a ruby on rails solution.[详细]

2023-02-11 06:40 分类：问答
How to Run Rails 2.3.8

I have been working on installing Rails. However, I am ending up with 2.2.3 and I need 2.3.8. What I did was I installed ruby via:[详细]

2023-02-10 19:56 分类：问答
sqlite3 gem fails to install

I\'m trying to install the \"sqlite3-ruby\" gem (or the \"sqlite3\" gem) on OS X 10.6. I\'m using ruby-1.9.2 and I currently get the following:[详细]

2023-02-10 19:31 分类：问答
Error running gem install on Windows 7 64 bit

I just installed ruby 1.9.2-p136 using the installer from rubyinstaller.org and now I am trying to install rails.When I do \"gem install rails\" I get the following error:[详细]

2023-02-10 11:04 分类：问答