Preface
In the nearly 10 years since the first edition of The Well-Grounded Rubyist was published, Ruby has achieved wild popularity and made an indelible mark on the programming landscape. Once-fledgling startups that used Ruby have become dominant forces in business and technology. Trade schools and teaching programs have sprung up to teach Ruby to newcomers from all walks of life. The programming language with a friendly creator and a warm, inviting community has touched many, many programmers and changed their professional lives for the better.
Ruby is ever changing and evolving. Not only new methods but new programming techniques have become available. Some long-existing techniques have either gained in popularity or fallen out of popular ...
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