The Little Book of Semaphores is a free (in both senses of the word) textbook that introduces the principles of synchronization for concurrent programming.
In most computer science curricula, synchronization is a module in an Operating Systems class. OS textbooks present a standard set of problems with a standard set of solutions, but most students don't get a good understanding of the material or the ability to solve similar problems.
The approach of this book is to identify patterns that are useful for a variety of synchronization problems and then show how they can be assembled into solutions. After each problem, the book offers a hint before showing a solution, giving students a better chance of discovering solutions on their own.
The book covers the classical problems, including "Readers-writers", "Producer-consumer", and "Dining Philosophers". In addition, it collects a number of not-so-classical problems, some written by the author and some by other teachers and textbook writers. Readers are invited to create and submit new problems.
This book is an introduction to Java™ language--a widely used programming language and a platform. It is meant to be both an introductory guide and a useful reference on Java and related technologies.
The Open Group's SOA Source Book is a collection of source material for use by enterprise architects working with Service-Oriented Architecture.
It consists of material that has been considered and in part developed by The Open Group's SOA Working Group. The SOA Working Group is engaged in a work program to produce definitions, analyses, recommendations, reference models, and standards to assist business and information technology professionals within and outside of the Open Group to understand and adopt SOA. The source book does not represent the final output of that work program, which will be published as a collection of Open Group Standards and Guides. It is an interim publication, and its content will not necessarily be reflected in the final output.
The material reflects input from a large number of people from a wide range of Open Group member companies, including product vendors, consultancies, and users of SOA. In some cases, these people have brought concepts developed, not just by themselves, but by groups of people within their organizations. The input has been refined and further developed through discussion within the Working Group. The value in the result is due to the ideas and efforts of the Working Group members.
The material is now published in its current form to make that value available to the wider architecture community.
This book is Copyright and is made available in the hope that it serves as a useful resource for users of GNU/Linux in general and Debian in particular. The procedures and applications presented in this book have been included for their instructional value. They have been tested but are not guaranteed for any particular purpose. The publisher, Togaware.com, does not offer any warranties or representations, nor does it accept any liabilities with respect to the programs and applications.
This book is a work in progress. Please send comments, suggestions, updates, and criticisms to Graham.Williams@togaware.com.
A PDF version of this book is available from http://www.togaware.com/linux. The HTML version is available from http://www.togaware.com/linux/survivor/.
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This is the companion website for the following book.
Christopher D. Manning, Prabhakar Raghavan and Hinrich Schütze, Introduction to Information Retrieval, Cambridge University Press. 2008.