|New from||Used from|
No Kindle device required. Download one of the Free Kindle apps to start reading Kindle books on your smartphone, tablet, and computer.
To get the free app, enter your e-mail address or mobile phone number.
Yukihiro Matsumoto ("Matz"), the creator of Ruby, is a professional programmer who worked for the Japanese open source company, netlab.jp. Matz is also known as one of the open source evangelists in Japan. He's released several open source products, including cmail, the emacs-based mail user agent, written entirely in emacs lisp. Ruby is his first piece of software that has become known outside of Japan.