Reuven M. Lerner
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Python/Ruby developer/author/trainer. PhD, learning sciences. @linuxjournal columnist. @dailytechvideo, @mandarinweekly, @modelingcommons, @freelancershow.
Practice Makes Python — Consultant package
Practice Makes Python — Developer package
Practice Makes Python — book
Jewish guide to visiting China — book
Practice Makes Regexp — Consultant Package
Practice Makes Regexp — Developer Package
Practice Makes Regexp — Just The Book
Jewish guide to visiting China — deluxe package