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Test example code: for file in $(find lib -iname ‘*.rb’); do ruby -Ilib -w $file >> /dev/null; done
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Reduce the scope of the course to be able to spend more time on each topic (current scope more suitable for 3-5 days)?
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Incorporate ideas from Beginning Ruby book by Peter Cooper
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Enumerating strings with String#enum_for(:each_char|:each_byte|:each_line)?
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Exercises in addition to Koans?