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Easy to understand and fun to read, Introducing Python is ideal for beginning programmers as well as those new to the language. Author Bill Lubanovic takes you from the basics to more involved and varied topics, mixing tutorials with cookbook-style code recipes to explain concepts in Python 3. End-of-chapter exercises help you practice what you've learned. You'll gain a strong foundation in the language, including best practices for testing, debugging, code reuse, and other development tips. This book also shows you how to use Python for applications in business, science, and the arts, using various Python tools and open source packages.Learn simple data types, and basic math and text operations. Use data-wrangling techniques with Python's built-in d...

Get quick answers for developing and debugging applications with Swift, Apple';s multi-paradigm programming language. This pocket reference is the perfect on-the-job tool for learning Swift';s modern language features, including type safety, generics, type inference, closures, tuples, automatic memory management, and support for Unicode.Designed to work with Cocoa and Cocoa Touch, Swift can be used in tandem with Objective-C, and either of these languages can call APIs implemented in the other. Swift is still evolving, but it';s clear that Apple sees it as the future language of choice for iOS and OS X software development.Topics include:Swift';s Run-Eval-Print-Loop (REPL) and interactive playgroundsSupported data types, such as strings, arrays, and ...

Take advantage of Chef';s highly customizable design to tackle specific automation issues that you can';t solve by simply using Chef';s tools, resources, and services out of the box. With this practical guide, you';ll examine the internal structure of this configuration management technology and learn where, how, and why to add custom code.Author Jon Cowie not only provides code snippets and practical advice for customizing Chef, but also helps you determine case by case whether it';s in your best interests to customize at all. If you have intermediate-to-advanced Chef experience, this book is indispensable.Explore Chef';s typical setups and why you';d want to customize themLearn the Ruby concepts needed to write customizationsCustomize the Chef run ...

Build exciting, scalable web applications quickly and confidently using Google App Engine and this book, even if you have little or no experience in programming or web development. App Engine is perhaps the most appealing web technology to appear in the last year, providing an easy-to-use application framework with basic web tools. While Google's own tutorial assumes significant experience, Using Google App Engine will help anyone get started with this platform. By the end of this book, you'll know how to build complete, interactive applications and deploy them to the cloud using the same servers that power Google applications. With this book, you will:Get an overview of the technologies necessary to use Google App EngineLearn how to use Python, HTML...