Why spend time on coding problems that others have already solved when you could be making real progress on your Ruby project? This updated cookbook provides more than 350 recipes for solving common problems, on topics ranging from basic data structures, classes, and objects, to web development, distributed programming, and multithreading.

Revised for Ruby 2.1, each recipe includes a discussion on why and how the solution works. You'll find recipes suitable for all skill levels, from Ruby newbies to experts who need an occasional reference. With Ruby Cookbook, you'll not only save...

Luna Valencia is the founder of the hottest artificial intelligence startup in history. She's about to become incredibly rich and powerful. But just when she's about to take her company public, her world begins to fall apart.

On the day of her startup's IPO, a stock exchange shooter plummets Luna into a downward spiral toward a threat more menacing than she ever imagined possible. Faced with losing her company, her entire world, Luna searches for answers to a series of...

If you think artificial intelligence is dangerous, then you don't know the real threat to humanity's future...

Luna Valencia is the founder of the hottest artificial intelligence startup in history. She's about to become incredibly rich and powerful. But just when she's about to take her company public, her world begins to fall apart.

On the day of her startup's IPO, a stock exchange shooter plummets Luna into a downward spiral toward a threat more menacing than she ever imagined possible. Faced with losing her company, her entire world, Luna searches for answers to a series...