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Turbo-like Codes
This book introduces turbo error correcting concept in a simple language, including a general theory and the algorithms for decoding turbo-like code. It presents a unified framework for the design and analysis of turbo codes and LDPC codes and their decoding algorithms.A major focus is on high speed turbo decoding, which targets applications with data rates of several hundred million bits per second (Mbps).
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In Code
In January 1999, Sarah Flannery, a sports-loving teenager from Blarney in County Cork, Ireland, was awarded Ireland's Young Scientist of the Year for her extraordinary research and discoveries in Internet cryptography. The following day, her story began appearing in Irish papers and soon after was splashed across the front page of the London Times, complete with a photo of Sarah and a caption calling her 'brilliant.' Just sixteen, she was a mathematician with an international reputation. IN CODE is a heartwarming story that will have readers cheering Sarah on. Originally published in England and cowritten with her mathematician father, David Flannery, IN CODE is 'a wonderfully moving story about the thrill of the mathematical chase' [Nature] and 'a paean to intellectual adventure' [Times Educational Supplement]. A memoir in mathematics, it is all about how a girl next door, nurtured by her family, moved from the simple math puzzles that were the staple of dinnertime conversation to prime numbers, the Sieve of Eratosthenes, Fermat's Little Theorem, googols-and finally into her breathtaking algorithm. Parallel with each step is a modest girl's own self-discovery-her values, her burning curiosity, the joy of persistence, and, above all, her love for her family.
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Secret Code Isn’t ****
A world-famous cryptographer has vanished without a trace. She spent years creating an unbreakable security system – and now, in a cruel twist of irony, unlocking that system is the only way to find her.Witness statements from those closest to her reveal someone who was paranoid and very well connected – but what was she hiding? When a secret file marked ‘X’ is discovered, it opens with a simple message: ‘The secret code is not ***’. Within the folder is a list of names and 12 cryptic clues. Somewhere among40,000 possible codeslies the one sequence that unlocks the truth – and where she may be.But here’s the catch. Each clue reveals not what the codeis, but what itisn’t. Using logic, deduction and a trail of increasingly revealing clues, you’ll eliminate thousands of possibilities, narrow the field and uncover the only code that fits every piece of evidence.Can you follow the clues, crack the case and reveal the secret cipher before it’s lost forever?
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Beyond Code
AI-powered coding tools are revolutionizing software development, transforming programming from a specialized skill into an accessible educational practice across disciplines. This book investigates how tools such as Cursor AI, GitHub Copilot, and Replit's Ghostwriter are dismantling traditional barriers to entry for learners—particularly those from non-STEM backgrounds—by enabling natural language code generation, intelligent debugging, and interactive, project-based learning. Bridging the gap between theoretical instruction and practical application, the book serves as both a guide and a critical framework for integrating generative AI into curricula. It highlights how these tools expand the boundaries of programming education by supporting interdisciplinary applications, from literary analysis to creative writing, thereby making coding relevant and actionable for students in the humanities and beyond. The book equips educators with the tools and strategies necessary to incorporate AI-assisted programming into diverse academic contexts by offering lesson plans and adaptable project models. This resource is essential for instructors seeking to demystify coding, promote inclusivity in technical learning, and reimagine the role of software literacy in the twenty-first-century classroom.
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Code Green
The next gripping action thriller from best-selling author Andrew Warren! A must-read for fans of Lee Child and Vince Flynn! 💥The past demands revenge. The future needs a hero.Thomas Caine returns to active duty with the CIA’s Special Activities Division. Under the command of Director Rebecca Freeling, Caine rushes to the Republic of Singapore to protect a vital intelligence asset.Codename: Larkspur, this mysterious contact holds the key to stopping a private terror network from corrupting America’s most powerful intelligence agencies.But when Larkspur’s trail leads to a hard drive hidden deep in the jungles of Vietnam, Caine finds himself racing against time to retrieve and decrypt this critical intel before a cabal of corrupt politicians shuts the operation down.But there is one big problem. Only one man alive can decrypt the drive before it’s too late.A man Caine has sworn to kill on sight… ⚠️Readers are loving Code Green:"Caine at his very best!" ⭐⭐⭐⭐⭐ Reader Review"A riveting international spy-thriller, with fully-rounded relatable characters and a sensational all-action storyline makes Andrew Warren's Code Green a 5-star winner for fans of Lee Child's Jack Reacher novels and Ian Fleming's James Bond." ⭐⭐⭐⭐⭐ Reader Review"Great storylines delivered through such a creative method you’ll be hooked from the first few pages, incredibly descriptive scenes establish characters rapidly in settings you can vividly imagine." ⭐⭐⭐⭐⭐ Reader Review"Loved the whole series. Good mix of kick ass action and emotional involvement. Really couldn't put the books down once I started to read." ⭐⭐⭐⭐⭐ Reader Review"A gripping read" ⭐⭐⭐⭐⭐ Reader Review"The writing is incredible. The atmosphere created by the author is mesmerizing!" ⭐⭐⭐⭐⭐ Reader Review"Awesome story! Full of action, suspense, and intrigue..." ⭐⭐⭐⭐⭐ Reader Review"Move over Jason Bourne... Here comes Thomas Caine!" ⭐⭐⭐⭐⭐ Reader Review
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Adaptive Code
Write code that can adapt to changes. By applying this book’s principles, you can create code that accommodates new requirements and unforeseen scenarios without significant rewrites. Gary McLean Hall describes Agile best practices, principles, and patterns for designing and writing code that can evolve more quickly and easily, with fewer errors, because it doesn’t impede change. Now revised, updated, and expanded, Adaptive Code, Second Edition adds indispensable practical insights on Kanban, dependency inversion, and creating reusable abstractions. Drawing on over a decade of Agile consulting and development experience, McLean Hall has updated his best-seller with deeper coverage of unit testing, refactoring, pure dependency injection, and more. Master powerful new ways to: • Write code that enables and complements Scrum, Kanban, or any other Agile framework • Develop code that can survive major changes in requirements • Plan for adaptability by using dependencies, layering, interfaces, and design patterns • Perform unit testing and refactoring in tandem, gaining more value from both • Use the “golden master” technique to make legacy code adaptive • Build SOLID code with single-responsibility, open/closed, and Liskov substitution principles • Create smaller interfaces to support more-diverse client and architectural needs • Leverage dependency injection best practices to improve code adaptability • Apply dependency inversion with the Stairway pattern, and avoid related anti-patterns About You This book is for programmers of all skill levels seeking more-practical insight into design patterns, SOLID principles, unit testing, refactoring, and related topics. Most readers will have programmed in C#, Java, C++, or similar object-oriented languages, and will be familiar with core procedural programming techniques.
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Code Design for Dependable Systems
Theoretical and practical tools to master matrix code design strategy and technique Error correcting and detecting codes are essential to improving system reliability and have popularly been applied to computer systems and communication systems. Coding theory has been studied mainly using the code generator polynomials; hence, the codes are sometimes called polynomial codes. On the other hand, the codes designed by parity check matrices are referred to in this book as matrix codes. This timely book focuses on the design theory for matrix codes and their practical applications for the improvement of system reliability. As the author effectively demonstrates, matrix codes are far more flexible than polynomial codes, as they are capable of expressing various types of code functions. In contrast to other coding theory publications, this one does not burden its readers with unnecessary polynomial algebra, but rather focuses on the essentials needed to understand and take full advantage of matrix code constructions and designs. Readers are presented with a full array of theoretical and practical tools to master the fine points of matrix code design strategy and technique: * Code designs are presented in relation to practical applications, such as high-speed semiconductor memories, mass memories of disks and tapes, logic circuits and systems, data entry systems, and distributed storage systems * New classes of matrix codes, such as error locating codes, spotty byte error control codes, and unequal error control codes, are introduced along with their applications * A new parallel decoding algorithm of the burst error control codes is demonstrated In addition to the treatment of matrix codes, the author provides readers with a general overview of the latest developments and advances in the field of code design. Examples, figures, and exercises are fully provided in each chapter to illustrate concepts and engage the reader in designing actual code and solving real problems. The matrix codes presented with practical parameter settings will be very useful for practicing engineers and researchers. References lead to additional material so readers can explore advanced topics in depth. Engineers, researchers, and designers involved in dependable system design and code design research will find the unique focus and perspective of this practical guide and reference helpful in finding solutions to many key industry problems. It also can serve as a coursebook for graduate and advanced undergraduate students.
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Code the Classics Volume I
Take inspiration from the golden age of video games and learn how to write your own modern classicsCode the Classics Volume 1 not only tells the stories of some of the seminal video games of the 1970s and 1980s, but shows you how to create your own games inspired by them, following examples programmed by Raspberry Pi founder Eben Upton. In this book, you'll learn how to run and edit the games in this book by installing Python, Pygame Zero, and an IDE. You'll also:Get game design tips and tricks from the mastersLearn how to code your own games with Pygame ZeroExplore the code listings and find out how they workYou'll meet these vintage-inspired games, and learn from their code in between rounds of play:Boing!: all it took was a couple of lines and a dot, and gamers would be queuing up to play.Cavern: Enduringly popular, the platform game genre is still packed with creative possibilities.Infinite Bunner: Play around with the benefits that a top-down perspective can lend to the classic platform genre.Myriapod: Some shooters confine the gameplay to a single screen while limiting the player's movement. Restrictions can build challenge and difficulty, making for truly addictive gaming.Substitute Soccer: Top-down games of pinball-style soccer built a huge cult following and kicked off a sports genre that's still going strong.
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Code Generation with Templates
Templates are used to generate all kinds of text, including computer code. The last decade, the use of templates gained a lot of popularity due to the increase of dynamic web applications. Templates are a tool for programmers, and implementations of template engines are most times based on practical experience rather than based on a theoretical background. This book reveals the mathematical background of templates and shows interesting findings for improving the practical use of templates. First, a framework to determine the necessary computational power for the template metalanguage is presented. The template metalanguage does not need to be Turing-complete to be useful. A non-Turing-complete metalanguage enforces separation of concerns between the view and model. Second, syntactical correctness of all languages of the templates and generated code is ensured. This includes the syntactical correctness of the template metalanguage and the output language. Third, case studies show that the achieved goals are applicable in practice. It is even shown that syntactical correctness helps to prevent cross-site scripting attacks in web applications. The target audience of this book is twofold. The first group exists of researcher interested in the mathematical background of templates. The second group exists of users of templates. This includes designers of template engines on one side and programmers and web designers using templates on the other side
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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 same 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 the underlying socialsubtexts of the choices people make.
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Turbo-like Codes
This book introduces turbo error correcting concept in a simple language, including a general theory and the algorithms for decoding turbo-like code. It presents a unified framework for the design and analysis of turbo codes and LDPC codes and their decoding algorithms.A major focus is on high speed turbo decoding, which targets applications with data rates of several hundred million bits per second (Mbps).
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Begin to Code with C#
Become a C# programmer—and have fun doing it! Start writing software that solves real problems, even if you have absolutely no programming experience! This friendly, easy, full-color book puts you in total control of your own learning, empowering you to build unique and useful programs. Microsoft has completely reinvented the beginning programmer’s tutorial, reflecting deep research into how today’s beginners learn, and why other books fall short. Begin to Code with C# is packed with innovations, from its “Snaps” prebuilt operations to its “Make Something Happen” projects. Whether you’re a total beginner or you’ve tried before, this guide will put the power, excitement, and fun of programming where it belongs: in your hands! Easy, friendly, and you’re in control! Learn how to... • Get the free tools you need to create modern programs • Work with 150 sample programs that illustrate important concepts • Use the sample programs as starting points for your own programs • Explore exactly what happens when a program runs • Approach program development with a professional perspective • Use powerful productivity shortcuts built into Microsoft Visual Studio • Master classes, interfaces, methods, and other essential concepts • Organize programs so they’re easy to construct and improve • Capture and respond to user input • Store and manipulate many types of real-world data • Create interactive games that are fun to play • Build modern interfaces your users will love • Test and debug your code—and avoid problems in the first place
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Z2Z4-Linear Codes
The theory developed for ℤ2ℤ4-additive codes is the starting point for much generalization about codes over mixed alphabets. They have opened a new, emergent area of research. The techniques used for ℤ2ℤ4-linear codes are being generalized and applied to more general codes. By example, these codes have contributed to the classification of many nonlinear codes. Moreover, they can be considered as the starting point of many different generalizations given over mixed alphabets, thereby representing a useful area of research. Since 2010, more than 30 papers have been published about the codes considered in the book, which includes important classes of binary codes (1-perfect, Hadamard, etc.) that are not linear in general. For example, much recent research has shown the application of the techniques described for the family of cyclic ℤ2ℤ4-linear codes. Topics and Features:Examines everything from the basic definitions to very advanced results Provides numerous examples, succinctly and comprehensively gathering and using the relevant information Includes examples using commands from a new Magma package, developed mostly by the same authors Proposes algorithms, for instance to describe coding and decoding strategiesThis unique volume will be eminently suitable for researchers working on coding theory over rings, especially over mixed alphabets. Experts will find commands and algorithms that will be useful in the generalization to codes over mixed alphabets. Additionally, by outlining the basic theory of codes over mixed alphabets and providing numerous examples, the book will be useful to researchers wanting to be introduced to the topic.The authors are all affiliated with the Dept. of Information and Communications Engineering at the Universitat Autònoma de Barcelona, Spain. Joaquim Borges and Cristina Fernández-Córdoba are Associate Professors, Jaume Pujol is a now retired Associate Professor, Josep Rifà is Professor Emeritus, and Mercè Villanueva is Associate Professor.
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