Rails: undefined method ‘[]‘ for #<Enumerable::Enumerator>

I was moving an older Rails app to a new server when I encountered this error. This gives a good description of what was going on and shows how to fix it:
http://groups.google.com/group/attachment_fu/browse_thread/thread/502dd4504a59c84d.
Ruby 1.8.7 and acts_as_attachment didn’t get along with each other in my case. However, there’s a typo where .first == ‘/’ is replaced.
starts_with(‘/’) should be starts_with?(‘/’).
That’s no rocket science but could be useful for noobs (on Rails).

Ruby: Convert Strings from UTF-8 to LATIN1 (ISO 8859-1) with Iconv

I used VPIM to create VCards from employees in my database which stores the employee’s data UTF-8 encoded. Then I wanted to give the user the possibility to download them. And of course half of the employees’ names were corrupted because I didn’t convert them to LATIN1 (ISO 8859-1). so here’s what i came up with:
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RubyGems: undefined method ‘manage_gems’ for Gem:Module (NoMethodError)

Update: There’s a more efficient solution to this problem here: The Easy Fix

After updating RubyGems I got the following error message:
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Installing sqlite3 for Rails on Windows XP

Here is a short description how to install sqlite3 with RubyGems on Windows XP.

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