Write powerful Ruby code that is easy to maintain and change. With metaprogramming, you can produce elegant, clean, and beautiful programs. Once the domain of expert Rubyists, metaprogramming is now accessible to programmers of all levels. This thoroughly revised and updated second edition of the bestselling Metaprogramming Ruby...

• Understand the concept of dependency injection
• Isolate units of...

Find solutions to problems and answers to questions you are likely to encounter when writing real-world applications in Common Lisp. This book covers areas as diverse as web programming, databases, graphical user interfaces, integration with other programming languages, multi-threading, and mobile devices as well as debugging techniques and...

Whales begin sinking ships. Toxic, eyeless crabs poison Long Island's water supply. The North Sea shelf collapses, killing thousands in...

Surface and Underground Excavations – Methods, Techniques and Equipment (2nd edition) covers the latest technologies and developments in the excavation arena at any locale: surface or underground. In the first few chapters, unit operations are discussed and subsequently, excavation techniques are described for various operations:...

"Instant photography at the push of a button!" During the 1960s and '70s, Polaroid was the coolest technology company on earth. Like Apple, it was an innovation machine that cranked out one must-have product after another. Led by its own visionary genius founder, Edwin Land, Polaroid grew from a 1937 garage start-up into a...

This book compares the lessons learned from a wetland-perspective approach to the changing climate and the requirements of the Water Framework Directive (WFD) with regard to environmental conservation. Examples from Germany and Poland are discussed due to the efficiency of their respective implementations of water conservation policies....

The main focus of this monograph is to explain the important role of soil and the environment to a broad audience. Soil is one of the five essential factors crucial for human life. On the one hand the authors describe a responsible approach and use of soil, established on a basic knowledge of the nature of soil and the countless ongoing...

The role of laboratory research and simulations in advancing our understanding of solar system ices (including satellites, KBOs, comets, and giant planets) is becoming increasingly important. Understanding ice surface radiation processing, particle and radiation penetration depths, surface and subsurface chemistry, morphology, phases,...

• Become a more efficient GIS professional by automating your geoprocessing tasks with Python and ArcGIS Desktop
• In addition to the fundamentals, learn advanced, in-demand GIS skills sought by many employers
• Step-by-step recipes that provide real-world solutions to common...

This is a book about programming in an object -oriented way and about how to use design patterns to solve commonplace problems in object-oriented systems.

I've based this book on the philosophy that the best way to learn and understand the design patterns is to see them in action, all jumbled up, just as they occur in the...