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R 533.00
Polar Codes
Understand a cutting-edge new class of error correction codes with this introduction Channel coding is a pivotal technique employed to account for potential errors due to channel noise or interference by adding layers of redundancy to information prior to transmission or storage. Should errors appear in the transmitted sequence upon reaching its destination, they can be corrected with reference to the redundant layers. Polar codes are a new class of error correction codes that provably achieve the capacity of binary discrete memoryless channels. Their distinct advantages have led to their incorporation in the logical control channels of the fifth generation of wireless communications (5G). Possessing robust and competitive error correction capabilities for short and medium-length codes positions them strategically to fulfill a pivotal role in various communication systems as we move towards the sixth generation of wireless communication (6G) and beyond. Polar Codes provides a thorough, accessible overview of this new class of codes and its applications. Beginning with the foundational theories underlying polar codes, it guides readers through the construction of polar codes, their variants, and their encoding and decoding processes. The result is a must-have for coding researchers and professionals looking to develop an edge in the wireless communications of the future. Polar Codes readers will also find: Continuous connections between discussed concepts and current 5G standards Snippets of code in MATLAB/Python to illustrate key tools End of chapter problems and bibliographical notes to facilitate learning and provide references for further reading. Polar Codes is ideal for graduate students and researchers in coding and information theory, as well as engineers working in communications and related industries.
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Visual Studio Code Distilled
Use Visual Studio Code to write and debug code quickly and efficiently on any platform, for any device, using any programming language, and on the operating system of your choice.Visual Studio Code is an open source and cross-platform development tool that focuses on code editing across a variety of development scenarios, including web, mobile, and cloud development. This third edition has been updated to match the latest releases of the environment. Additional updates relate to .NET 7 and explain how to consume AI services from code you write in Visual Studio Code. This new edition is also refreshed with the latest updates, such as enhanced merge editor, creating extensions, support for the Julia language, and much more.The book teaches you how to be immediately productive with Visual Studio Code, from the basics to some of the more complex topics. You will learn how to work on individual code files, complete projects, and come away with an understanding of advanced code-editing features that will help you focus on productivity, and source code collaboration with Git.What You Will LearnGet started with practical guidance on Visual Studio Code, including expansive guidance on writing apps with C# and PythonUnderstand how to edit individual files and how to work with folders by working on the latest workspace trust and multi-root workspacesDebug code on multiple platforms through real-world guidance, such as working under corporate networksPackage code into Docker containers and deploy these to AzureAcquire valuable tips, tricks, and suggestions from hard-earned, real-world experience to be more productiveWho This Book Is ForAll developers (including JavaScript, Java, NodeJS), not just those with a Microsoft background, who will benefit from learning and using VS code as a cross-platform and cross-language tool
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Turbo Codes
PREFACE The increasing demand on high data rate and quality of service in wireless communication has to cope with limited bandwidth and energy resources. More than 50 years ago, Shannon has paved the way to optimal usage of bandwidth and energy resources by bounding the spectral efficiency vs. signal to noise ratio trade-off. However, as any information theorist, Shannon told us what is the best we can do but not how to do it [1]. In this view, turbo codes are like a dream come true: they allow approaching the theoretical Shannon capacity limit very closely. However, for the designer who wants to implement these codes, at first sight they appear to be a nightmare. We came a huge step closer in striving the theoretical limit, but see the historical axiom repeated on a different scale: we know we can achieve excellent performance with turbo codes, but not how to realize this in real devices.
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R 457.00
Code: Damp
An alternative occult and esoteric history of England told through one of its most popular cultural forms: the comedy sitcom.Code: Damp is a sometimes-comedic field report that charts an esoteric code hidden within the twin poles of 1970s sitcoms Rising Damp and The Fall and Rise of Reginald Perrin. Outlining how past cultural patterns condensate and repeat through technology, time is shown to be a damp condensation seeping through the centuries and out onto the telly.Interspersed with the author's own photographs, prints, Holsten Pils cans, local newspaper entries and carrier bags, as well as a whole host of other characters, the work seems an antiquarian's conceit that takes time travel as a metaphoric methodology. This is not media studies; more an allegory of all reality as (tele)visual recorded history, excavating the strata of haunted technology from which the fragile band of code comprising our sense of time is briefly emitted.Drawing connections between incidents of ancient and popular culture, from Mark E. Smith's lyric- "They say damp records the past"-to Rising Damp's (meta)physical structure of decay, the book finds damp's temporal power manifest in everything from alchemy, mysticism, and parish folklore to pulp, Time Team, darts, the local newspaper and, of course, the sitcom.Merging the vast with the parochial, the occult with the comedic, Code: Damp tunes into the weird demands of damp as a time-traveling material at the intersections of comedy, myth and technology, taking all three as serious resources to better (dis)orient the ground we stand on.
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Code 13
THE U.S. NAVY’S BILLION-DOLLAR CONTRACT FOR THE SALE OF DRONES LANDS TWO NAVY JAG OFFICERS IN THE GUN SIGHTS OF A KILLER. Caroline is just getting her feet wet at the prestigious Code 13, but is thankful for at least one familiar face—her old flame, P.J. MacDonald. He loops her into the assignment he is currently working on—the legality of a proposed drone-sharing contract with Homeland Security that would allow the sale of drones for domestic surveillance. The contractor wants a legal opinion clearing the contract for congressional approval. But the mob wants the proposal dead-on-arrival. When P.J. is gunned down in cold blood and a second JAG officer is killed, one thing becomes clear: whoever is ordered to write the legal opinion on the drones becomes a target. Which is exactly why Caroline goes to her commanding officer and volunteers to write the legal opinion herself. She is determined to avenge P.J.’s death and trap the killer, even if that means making herself a target.It is a deadly game of Russian roulette for the sake of justice, but Caroline is determined to see it through, even if it costs her life.
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Code and the City
Software has become essential to the functioning of cities. It is deeply embedded into the systems and infrastructure of the built environment and is entrenched in the management and governance of urban societies. Software-enabled technologies and services enhance the ways in which we understand and plan cities. It even has an effect on how we manage urban services and utilities. Code and the City explores the extent and depth of the ways in which software mediates how people work, consume, communication, travel and play. The reach of these systems is set to become even more pervasive through efforts to create smart cities: cities that employ ICTs to underpin and drive their economy and governance. Yet, despite the roll-out of software-enabled systems across all aspects of city life, the relationship between code and the city has barely been explored from a critical social science perspective. This collection of essays seeks to fill that gap, and offers an interdisciplinary examination of the relationship between software and contemporary urbanism. This book will be of interest to those researching or studying smart cities and urban infrastructure.
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Codes of Life
Building on a range of disciplines – from biology and anthropology to philosophy and linguistics – this book draws on the expertise of leading names in the study of organic, mental and cultural codes brought together by the emerging discipline of biosemiotics. The volume represents the first multi-authored attempt to deal with the range of codes relevant to life, and to reveal the ubiquitous role of coding mechanisms in both organic and mental evolution.
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R 457.00
Art of Readable Code
As programmers, we've all seen source code that's so ugly and buggy it makes our brain ache. And let's be honest, we've all written code like that. With this book, you'll learn to write code that's easy to read and understand. You'll have more fun and your coworkers will love you. The Art of Coding focuses on the nuts and bolts of programming, with simple and practical techniques you can use every time you sit down to write code. You'll find tips throughout the book, with easy-to-digest code examples, helpful illustrations, and cartoons for fun. * Learn to pick variable names that are "dense with information" * Organize your loops and conditionals so they're easy to understand * Make your comments short and sweet * Recognize when your code is doing too many things at once * Write tests that are concise, but thorough * Master the art of breaking hard problems into many smaller ones
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Codes and Evolution
This text builds upon the over 1500 papers published in peer-reviewed journals revealing that there are more than 200 biological codes in living systems. The author claims this experimental fact is bound to change biology forever. This book shows how this very discovery reveals that coding is a new mechanism of life, just as the discovery of electromagnetism revealed the existence of a new physical force in the universe. The existence of many biological codes, furthermore, Barbieri argues, is one of those experimental facts that have extraordinary theoretical consequences. It implies that coding is not only a mechanism that constantly operates in all living systems, but also a mechanism of evolution, more precisely a mechanism that gave origin to the absolute novelties of the history of life. This amounts to saying that evolution took place by two distinct mechanisms, by natural selection and by natural conventions, two mechanisms that are fundamentally different because natural selection is the result of copying and deals with information whereas natural conventions are the result of coding and deal with meaning. This volume appeals to students and researchers working in the fields of semiotics, philosophy, biology and mathematics.
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Beyond Code
Discover why AI changes engineering by moving attention from code output to durable decisions, safer boundaries, and shared understandingKey FeaturesApply context engineering to control what AI coding agents see and produceReplace subjective code review with mechanical gates and executable acceptance criteriaDesign and coordinate multi-agent workflows that close the build-test-deploy loop reliablyBook DescriptionThe advent of AI coding agents has triggered an identity crisis in tech. But the core of software engineering was never just about writing syntax. It is about solving problems, defining constraints, and translating business reality into scalable software solutions. Beyond Code is the practitioner's survival guide to the new landscape of software development, teaching you how to stop competing with the machine and start directing it.The book covers the forces that determine whether AI assistance produces reliable software: context discipline, which shapes what agents see and what they ignore; mechanical gates, which replace advice-based review with verifiable pass-fail conditions; and loop closure, which keeps multi-agent coordination from drifting off-mission through Goodhart traps and proxy decay. You will work through input design, information filtering, decomposition as constraint topology, hierarchical agent coordination, and multi-pass thinking for output verification.By the end of this book, you will be able to manage the information environment your AI agents operate within, enforce the constraint structures that keep them aligned, and build multi-agent workflows that close the build-test-deploy loop without fragile handoffs or compounding failures.What you will learnEngineer context to control what AI coding agents produceFilter irrelevant information that degrades model output qualityUse decomposition to create verifiable, independently testable seamsReplace code review opinions with executable mechanical gatesIdentify and escape Goodhart traps in developer metrics and evalsCoordinate AI agents hierarchically to reduce overhead and driftApply multi-pass thinking to catch failures before they compoundTranslate software decisions into terms that align engineering teamsWho this book is forThis book is for developers, software engineers, tech leads, engineering managers, and architects who want to stay effective as code generation becomes a default part of the development workflow. It is particularly useful for those who have started using AI coding tools in production and are noticing where the outputs break down in system coherence, review quality, or team alignment. Readers should have experience building, reviewing, or leading software projects.
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Codes and Consequences
This edited volume examines the implications of the phenomenon known as codeswitching, where, in given situations, different people with access to the smae linguistic repertoire (or one person in different situations) will sometimes make very different linguistic choices. Employing Myers-Scotton's concept of "markedness" the contributors examine codeswitching in situations like everyday conversation, literary texts, sermons, and others to show how the underlyingsocial subtexts of the choices people make.
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Codes, Cryptology and Information Security
This book constitutes the proceedings of the Third International Conference on Codes, Cryptology and Information Security, C2SI 2019, held in Rabat, Morocco, in April 2019. The 19 regular papers presented together with 5 invited talks were carefully reviewed and selected from 90 submissions. The first aim of this conference is to pay homage to Said El Hajji for his valuable contribution in research, teaching and disseminating knowledge in numerical analysis, modeling and information security in Morocco, Africa, and worldwide. The second aim of the conference is to provide an international forum for researchers from academia and practitioners from industry from all over the world for discussion of all forms of cryptology, coding theory, and information security.
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R 885.00
Fehlerkorrigierende Codes
Dieses Buch stellt mit möglichst wenig mathematischen Hilfsmitteln die wesentlichen Grundbegriffe und Konzepte der Theorie fehlerkorrigierender Codes in der Datenübertragung dar. Alle historisch und für Praxisanwendungen wichtigen Klassen und Familien von Codes werden explizit konstruiert; dies beinhaltet auch deren Rate und Minimalabstand. Außerdem werden die wesentlichen Decodieralgorithmen beschrieben. Die Darstellung orientiert sich dabei an den zugehörigen "Meilensteinen" in der Geschichte der Codierungstheorie. Besonderer Wert gelegt wird außerdem auf die Vermittlung der Art und Weise, wie diese Codes in der Praxis angewandt werden. Das Buch eignet sich für Studierende im mathematisch-technischen Bereich an Fachhochschulen und Universitäten (z.B. in Proseminaren), auch für die MINT-Lehrerfortbildung und andere Weiterbildungsveranstaltungen für interessierte Anwender, Schüler und Senioren.
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Digisprudence: Code as Law Rebooted
Whenever you use a smartphone, website, or IoT device, your behaviour is determined to a great extent by a designer. Their software code defines from the outset what is possible, with very little scope to interpret the meaning of those 'rules' or to contest them. How can this kind of control be acceptable in a democracy? If we expect legislators to respect values of legitimacy when they create the legal rules that govern our lives, shouldn't we expect the same from the designers whose code has a much more direct rule over us?In this book Laurence Diver combines insight from legal theory, philosophy of technology, and programming practice to develop a new theoretical and practical approach to the design of legitimate software. The book critically engages with the rule(s) of code, arguing that, like laws, these should exhibit certain formal characteristics if they are to be acceptable in a democracy. The resulting digisprudential affordances translate ideas of legitimacy from legal philosophy into the world of code design, to be realised through the 'constitutional' role played by programming languages, integrated development environments (IDEs), and agile development practice. The text interweaves theory and practice throughout, including many insights into real-world technologies, as well as case studies on blockchain applications and the Internet of Things.
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