Bøger af Carroll Morgan

This is an inspirational book about obeying God when he speaks.When the Holy Spirit spoke to the Author that this was the last time he was going to be called to repent, the Author obeyed and ask the Lord Jesus to come into the author's life and take control.The Holy Spirit told the Author if the Author would stay out of his way, that the Holy Spirit "would make him Chief of Police of Jennings." One and a half years later the Author was appointed Chief of Police Jennings, Louisiana.There are some serious things and there are some comical things in the Author's long career as a law Enforcement officer and his journey from a professing Christian to a born again Christian. They are all captured in this book.

The second half of the twentieth century saw an astonishing increase in computing power; today computers are unbelievably faster than they used to be, they have more memory, they can communicate routinely with remote machines all over the world - and they can fit on a desktop. But, despite this remarkable progress, the voracity of modem applications and user expectations still pushes technology right to the limit. As hardware engineers build ever-more-powerful machines, so too must software become more sophisticated to keep up. Medium- to large-scale programming projects need teams of people to pull everything together in an acceptable timescale. The question of how pro gram- mers understand their own tasks, and how they fit together with those of their colleagues to achieve the overall goal, is a major concern. Without that under- standing it would be practically impossible to realise the commercial potential of our present-day computing hardware. That programming has been able to keep pace with the formidable advances in hardware is due to the similarly formidable advances in the principles for design, construction and organisation of programs. The efficacy of these methods and principles speaks for itself - computer technology is all-pervasive - but even more telling is that they are beginning to feed back and inftuence hardware design as weIl. The study of such methods is called programming methodology, whose topics range over system-and domain-modelling, concurrency, object orientation, program specification and validation. That is the theme of this collection.

This book presents a comprehensive mathematical theory that explains precisely what information flow is, how it can be assessed quantitatively ¿ so bringing precise meaning to the intuition that certain information leaks are small enough to be tolerated ¿ and how systems can be constructed that achieve rigorous, quantitative information-flow guarantees in those terms. It addresses the fundamental challenge that functional and practical requirements frequently conflict with the goal of preserving confidentiality, making perfect security unattainable.Topics include: a systematic presentation of how unwanted information flow, i.e., "leaks", can be quantified in operationally significant ways and then bounded, both with respect to estimated benefit for an attacking adversary and by comparisons between alternative implementations; a detailed study of capacity, refinement, and Dalenius leakage, supporting robust leakage assessments; a unification of information-theoretic channels and information-leaking sequential programs within the same framework; and a collection of case studies, showing how the theory can be applied to interesting realistic scenarios.The text is unified, self-contained and comprehensive, accessible to students and researchers with some knowledge of discrete probability and undergraduate mathematics, and contains exercises to facilitate its use as a course textbook.

On the Refinement Calculus gives one view of the development of the refinement calculus and its attempt to bring together - among other things - Z specifications and Dijkstra's programming language. It is an excellent source of reference material for all those seeking the background and mathematical underpinnings of the refinement calculus.