5v3n.com's tumblr

Coming from Java, it’s likely you share my simple “for-each-loop”-fixation:

tags = ["ruby", "rails", "java"]
concatenated_tags = "" tags.each { |tag| concatenated_tags << "#{tag}, " } concatenated_tags # => "ruby, rails, java, " #now, remove the unnecessary comma and space at the...

Even if that may be a beginner tip, the general discussion it provoked is quite important: clarity over “fancyness”: Array.join(sign) or Array * sign. Enjoy!