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I am trying this: I want to replace all the text in between java comments: /* start */ replace this text here /* end */ I''m trying: text.gsub(//* start */(.*)/* end *//im, replace_with) But i''m getting errors relating to expecting keyword_end. How should I be escaping /* and */ ? Also, does string interpolation work in gsub regex? Say I had variables like: start_tag =

Does Rails automatically set an EXPIRE attribute on keys when working with Redis, or will an old key sit there forever if it''s never manually cleared out? This is mostly a concern when using ActiveModel''s "cache_key": <%= cache @post do %> The cache-key will be something like views/posts/744-20120613070958 . When the post is updated, and therefore gets a new