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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