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Created August 13, 2011 12:25
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ruby/rails tips, tricks, solutions
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solutions.markdown

Ruby and Rails Tips, Tricks and Solutions

  • 'normalize_yaml_input' error might be caused by wrong locale settings.

    # CLI
locale
# => "LC_ALL ="
export LC_ALL="en_US" # (or your locale of choice)

  • "merge!': can't convert nil into Hash" error in Rails 3.1. Rails 3.1 uses Psych as a yaml parser. Change it back to syck:

    # config/application.rb
YAML::ENGINE.yamler = "syck"

  • Remove database from rails 3: comment out

    # config/application.rb
require "active_record/railtie"

  • `normalize_yaml_input' error: see rubygems/rubygems#149

    export LC_ALL="en_US"
export LANG="ISOD-8859-1"

  • 'Warning: NLS_LANG is not set. fallback to US-ASCII.' when using oracle_enhanced:

    # in the Oracle database:
select userenv('language') from dual; # => e.g. 'AMERICAN_AMERICAN.WE8ISO8859P15'
# config/boot.rb
ENV['NLS_LANG'] = 'AMERICAN_AMERICA.WE8ISO8859P15'
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