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Understanding Open Source and Free Software Licensing

If you've held back from developing open source or free software projects because you don't understand the implications of the various licenses, you're not alone. Many developers believe in releasing their software freely, but have hesitated to do so because they're concerned about losing control over their software. Licensing issues are complicated, and both the facts and fallacies you hear word-of-mouth can add to the confusion.Understanding Open Source and Free Software Licensing helps you make sense of the different options available to you. This concise guide focuses on annotated licenses, offering an in-depth explanation of how they compare and interoperate, and how license choices affect project possibilities. Written in clear language that you don't have to be a lawyer to understand, the book answers such questions as: What rights am I giving up? How will my use of OS/FS licensing affect future users or future developers? Does a particular use of this software--such as combining it with proprietary software--leave me vulnerable to lawsuits?Following a quick look at copyright law, contracts, and the definition of "open source," the book tackles the spectrum of licensing, including: The MIT (or X), BSD, Apache and Academic Free licenses The GPL, LGPL, and Mozilla licenses The QT, Artistic, and Creative Commons licenses Classic Proprietary licenses Sun Community Source license and Microsoft Shared Source project The book wraps up with a look at the legal effects--both positive and negative--of open source/free software licensing.Licensing is a major part of what open source and free software are all about, but it's still one of the most complicated areas of law. Even the very simple licenses are tricky. Understanding Open Source and Free Software Licensing bridges the gap between the open source vision and the practical implications of its legal underpinnings. If open source and free software licenses interest you, this book will help you understand them. If you're an open source/free software developer, this book is an absolute necessity.

If open source and free software licenses interest you, this book will help you understand them. If you're an open source/free software developer, this book is an absolute necessity.

Database in Depth

Relational Theory for Practitioners

This book sheds light on the principles behind the relational model, which is fundamental to all database-backed applications--and, consequently, most of the work that goes on in the computing world today. Database in Depth: The Relational Model for Practitioners goes beyond the hype and gets to the heart of how relational databases actually work. Ideal for experienced database developers and designers, this concise guide gives you a clear view of the technology--a view that's not influenced by any vendor or product. Featuring an extensive set of exercises, it will help you: understand why and how the relational model is still directly relevant to modern database technology (and will remain so for the foreseeable future) see why and how the SQL standard is seriously deficient use the best current theoretical knowledge in the design of their databases and database applications make informed decisions in their daily database professional activities Database in Depth will appeal not only to database developers and designers, but also to a diverse field of professionals and academics, including database administrators (DBAs), information modelers, database consultants, and more. Virtually everyone who deals with relational databases should have at least a passing understanding of the fundamentals of working with relational models. Author C.J. Date has been involved with the relational model from its earliest days. An exceptionally clear-thinking writer, Date lays out principle and theory in a manner that is easily understood. Few others can speak as authoritatively the topic of relational databases as Date can.

This book sheds light on the principles behind the relational model, which is fundamental to all database-backed applications--and, consequently, most of the work that goes on in the computing world today.

Gamification by Design

Implementing Game Mechanics in Web and Mobile Apps

What do Foursquare, Zynga, Nike+, and Groupon have in common? These and many other brands use gamification to deliver a sticky, viral, and engaging experience to their customers. This book provides the design strategy and tactics you need to integrate game mechanics into any kind of consumer-facing website or mobile app. Learn how to use core game concepts, design patterns, and meaningful code samples to a create fun and captivating social environment. Whether you're an executive, developer, producer, or product specialist, Gamification by Design will show you how game mechanics can help you build customer loyalty. Discover the motivational framework game designers use to segment and engage consumers Understand core game mechanics such as points, badges, levels, challenges, and leaderboards Engage your consumers with reward structures, positive reinforcement, and feedback loops Combine game mechanics with social interaction for activities such as collecting, gifting, heroism, and status Dive into case studies on Nike and Yahoo!, and analyze interactions at Google, Facebook, and Zynga Get the architecture and code to gamify a basic consumer site, and learn how to use mainstream gamification APIs from Badgeville "Turning applications into games is a huge trend. This book does a great job of identifying the core lasting principals you need to inspire your users to visit again and again." —Adam Loving Freelance Social Game Developer and founder of Twibes Twitter Groups

This book does a great job of identifying the core lasting principals you need to inspire your users to visit again and again." —Adam Loving Freelance Social Game Developer and founder of Twibes Twitter Groups

Manajemen haji

studi kasus dan telaah implementasi knowledge workers

Organization of Muslim pilgrims and pilgrimages from Indonesia to Saudi Arabia.

penyelenggara ibadah haji di tingkat Pusat, sedangkan pelaksana operasional
sesuai dengan ruang lingkup daerah tugasnya. Dalam masa operasional,
pelayanan kepada jemaah haji dilakukan oleh petugas yang ditunjuk pemerintah
terdiri ...