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The Code Book: The Secrets Behind Codebreaking by Simon Singh Pdf
"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of information--in this clear and easy-to-understand young adult adaptation of the national bestseller that's perfect for this age of WikiLeaks, the Sony hack, and other events that reveal the extent to which our technology is never quite as secure as we want to believe. Coders and codebreakers alike will be fascinated by history's most mesmerizing stories of intrigue and cunning--from Julius Caesar and his Caeser cipher to the Allies' use of the Enigma machine to decode German messages during World War II. Accessible, compelling, and timely, The Code Book is sure to make readers see the past--and the future--in a whole new way. "Singh's power of explaining complex ideas is as dazzling as ever." --The Guardian
The classic guide to how computers work, updated with new chapters and interactive graphics "For me, Code was a revelation. It was the first book about programming that spoke to me. It started with a story, and it built up, layer by layer, analogy by analogy, until I understood not just the Code, but the System. Code is a book that is as much about Systems Thinking and abstractions as it is about code and programming. Code teaches us how many unseen layers there are between the computer systems that we as users look at every day and the magical silicon rocks that we infused with lightning and taught to think." - Scott Hanselman, Partner Program Director, Microsoft, and host of Hanselminutes Computers are everywhere, most obviously in our laptops and smartphones, but also our cars, televisions, microwave ovens, alarm clocks, robot vacuum cleaners, and other smart appliances. Have you ever wondered what goes on inside these devices to make our lives easier but occasionally more infuriating? For more than 20 years, readers have delighted in Charles Petzold's illuminating story of the secret inner life of computers, and now he has revised it for this new age of computing. Cleverly illustrated and easy to understand, this is the book that cracks the mystery. You'll discover what flashlights, black cats, seesaws, and the ride of Paul Revere can teach you about computing, and how human ingenuity and our compulsion to communicate have shaped every electronic device we use. This new expanded edition explores more deeply the bit-by-bit and gate-by-gate construction of the heart of every smart device, the central processing unit that combines the simplest of basic operations to perform the most complex of feats. Petzold's companion website, CodeHiddenLanguage.com, uses animated graphics of key circuits in the book to make computers even easier to comprehend. In addition to substantially revised and updated content, new chapters include: Chapter 18: Let's Build a Clock! Chapter 21: The Arithmetic Logic Unit Chapter 22: Registers and Busses Chapter 23: CPU Control Signals Chapter 24: Jumps, Loops, and Calls Chapter 28: The World Brain From the simple ticking of clocks to the worldwide hum of the internet, Code reveals the essence of the digital revolution.
Codes and Ciphers - A History of Cryptography by Alexander D'Agapeyeff Pdf
This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes and ciphers to protect secrets, and it has a long and interesting history. This fantastic volume offers a detailed history of cryptography from ancient times to modernity, written by the Russian-born English cryptographer, Alexander D'Agapeyeff. The contents include: - The beginnings of Cryptography - From the Middle Ages Onwards - Signals, Signs, and Secret Languages - Commercial Codes - Military Codes and Ciphers - Types of Codes and Ciphers - Methods of Deciphering Many antiquarian texts such as this, especially those dating back to the 1900s and before, are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition. It comes complete with a specially commissioned new biography of the author.
Secret Code Book: Substitution Ciphers by John Redden Pdf
The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up to the Vigen re cipher. Along the way, readers will also learn about geometric approaches to secret codes such as the Pigpen cipher. As a bonus, there is a brief description of frequency analysis and how it is used to crack secret codes. frper gpbqr obbx In addition, this book actively challenges readers with practice missions where answers are listed in the back. Also, there is a cut-out rotation template that is provided to make your very own cipher disk! After reading this book, you will have all the basic tools needed to create secret messages.
A masterful work of storytelling, a unique sculptural object created through a collaborative process between Visual Editions and author. A curiosity with the die-cut technique was combined with the pages' physical relationship to one another and how this could somehow be developed to work with a meaningful narrative. This led to Jonathan deciding to use an existing piece of text and cut a new story out of it - his favourite book, The Street of Crocodiles by Bruno Schulz. Writing, cutting and proto-typing has created a new story cut from the words of an old favourite.
The Clone Codes by Pat McKissack,Fredrick McKissack,John Patrick McKissack Pdf
Acclaimed authors Patricia C. McKissack and Frederick L. McKissack have collaborated with their son, John, to deliver a novel that is as suspenseful as it is searing. "The Clone Codes" is the first installment of a sci-fi trilogy that blends a futuristic society with events in world history.
This is the first monograph on codebooks and linear codes from difference sets and almost difference sets. It aims at providing a survey of constructions of difference sets and almost difference sets as well as an in-depth treatment of codebooks and linear codes from difference sets and almost difference sets. To be self-contained, this monograph covers necessary mathematical foundations and the basics of coding theory. It also contains tables of best BCH codes and best cyclic codes over GF(2) and GF(3) up to length 125 and 79, respectively. This repository of tables can be used to benchmark newly constructed cyclic codes. This monograph is intended to be a reference for postgraduates and researchers who work on combinatorics, or coding theory, or digital communications.
“For those ready and willing to build a new life, here are the tools. Powerful, incisive, extraordinary writing.” —Neale Donald Walsch, New York Times bestselling author of Conversations with God Transform your life with this bestselling, revolutionary, and accessible seven-step guide—grounded in energy medicine, neurobiology, and quantum physics—to awaken your true health and potential through energy healing. Eighteen years ago, health pioneer and “extraordinary enlightened visionary” (Anita Moorjani, New York Times bestselling author) Dr. Sue Morter had a remarkable and profound awakening. While meditating, she spontaneously accessed an energy field—a level of consciousness—beyond anything she had ever imagined. This dramatic experience changed her life and set her on a mission to discover how to create such radical transformation for her patients. Through years of advanced study and research in energy healing and medicine, she developed the Energy Codes. This life-altering program has now enabled thousands of people around the world to overcome pain, disease, fatigue, anxiety, and depression, and to awaken their innate creativity, intuition, and inner power. Bridging ancient healing practices with cutting-edge science, The Energy Codes offers a detailed road map to help you experience deep healing in your life. Grounded in practical, accessible exercises, including yoga, breathwork, meditations, and Dr. Morter’s proprietary Bio-Energetic Synchronization Technique (BEST) protocol, The Energy Codes “offers deep insights…that brilliantly merge the ever-blending worlds of science and spirituality to help reveal the truth of our being and the depths of our greatness,” (Jack Canfield, coauthor of the Chicken Soup for the Soul series).
Even bad code can function. But if code isn’t clean, it can bring a development organization to its knees. Every year, countless hours and significant resources are lost because of poorly written code. But it doesn’t have to be that way. Noted software expert Robert C. Martin presents a revolutionary paradigm with Clean Code: A Handbook of Agile Software Craftsmanship. Martin has teamed up with his colleagues from Object Mentor to distill their best agile practice of cleaning code “on the fly” into a book that will instill within you the values of a software craftsman and make you a better programmer–but only if you work at it. What kind of work will you be doing? You’ll be reading code–lots of code. And you will be challenged to think about what’s right about that code, and what’s wrong with it. More importantly, you will be challenged to reassess your professional values and your commitment to your craft. Clean Code is divided into three parts. The first describes the principles, patterns, and practices of writing clean code. The second part consists of several case studies of increasing complexity. Each case study is an exercise in cleaning up code–of transforming a code base that has some problems into one that is sound and efficient. The third part is the payoff: a single chapter containing a list of heuristics and “smells” gathered while creating the case studies. The result is a knowledge base that describes the way we think when we write, read, and clean code. Readers will come away from this book understanding How to tell the difference between good and bad code How to write good code and how to transform bad code into good code How to create good names, good functions, good objects, and good classes How to format code for maximum readability How to implement complete error handling without obscuring code logic How to unit test and practice test-driven development This book is a must for any developer, software engineer, project manager, team lead, or systems analyst with an interest in producing better code.
Us Department Of Defense,www.survivalebooks.com,Department of Defense,Delene Kvasnicka,United States Government US Army,United States Army,Department of the Army,U. S. Army,Army,DOD,The United States Army
Author : Us Department Of Defense,www.survivalebooks.com,Department of Defense,Delene Kvasnicka,United States Government US Army,United States Army,Department of the Army,U. S. Army,Army,DOD,The United States Army Publisher : Delene Kvasnicka www.survivalebooks.com Page : 128 pages File Size : 50,9 Mb Release : 2024-06-26 Category : Reference ISBN : 8210379456XXX
AR 415-28 04/15/2014 REAL PROPERTY CATEGORY CODES , Survival Ebooks by Us Department Of Defense,www.survivalebooks.com,Department of Defense,Delene Kvasnicka,United States Government US Army,United States Army,Department of the Army,U. S. Army,Army,DOD,The United States Army Pdf
AR 415-28 04/15/2014 REAL PROPERTY CATEGORY CODES , Survival Ebooks
This book is devoted to one of the essential functions of modern telecommunications systems: channel coding or error correction coding. Its main topic is iteratively decoded algebraic codes, convolutional codes and concatenated codes.
The cutting edge of neurolinguistics meets the spiritual wisdom of the ages in a handbook of key words that literally rewire our brains. New discoveries in biology and the neurosciences are revealing how the structure of language-the words we think and speak-can actually change the way the neurons in our brains and hearts connect. But our ancestors understood this connection intuitively, thousands of years ago. They created specific word-patterns to provide comfort, healing, strength, and inner power in difficult times, and they encoded these powerful words in prayers, chants, mantras, hymns, and sacred writings to preserve them for future generations. Now beloved teacher and thought leader Gregg Braden cracks the code and puts these powerful words in your hands. Perfect as a pocket guide, a reference for spiritual study, or a gift to someone you love, this elegant, compact book contains Wisdom Codes that cut to the core of life's greatest tests, most challenging demands, and hardest lessons. You'll find chapters devoted to healing from loss and grief, facing your unspoken fears, finding certainty in the face of uncertain choices, and finding forgiveness, as well as ancient parables that offer a "fast track" to unraveling life's deepest mysteries. Each Wisdom Code-distilled from a quote, a scripture passage, or a parable-is accompanied by a brief discussion of what the code means, why it's important, and how to apply it in your life.
