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Selected Writings on Computing: A personal Perspective

Selected Writings on Computing: A personal Perspective
Author: Edsger W. Dijkstra
Publisher: Springer Science & Business Media
Total Pages: 381
Release: 2012-12-06
Genre: Computers
ISBN: 146125695X

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Since the summer of 1973, when I became a Burroughs Research Fellow, my life has been very different from what it had been before. The daily routine changed: instead of going to the University each day, where I used to spend most of my time in the company of others, I now went there only one day a week and was most of the time -that is, when not travelling!- alone in my study. In my solitude, mail and the written word in general became more and more important. The circumstance that my employer and I had the Atlantic Ocean between us was a further incentive to keep a fairly complete record of what I was doing. The public part of that output found its place in what became known as "the EWD series", which can be viewed as a form of scientific correspondence, possible since the advent of the copier. (That same copier makes it hard to estimate its actual distribution: I myself made about two dozen copies of my texts, but their recipients were welcome to act as further nodes of the distribution tree. ) The decision to publish a se1ection from the EWD series in book form was at first highly embarrassing, but as the months went by I got used to the idea. As soon as some guiding principles had been adopted -preferably not published elsewhere, as varied and as representative as possible, etc.


Solving Mathematical Problems

Solving Mathematical Problems
Author: Terence Tao
Publisher: OUP Oxford
Total Pages: 116
Release: 2006-07-28
Genre: Mathematics
ISBN: 0191568694

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Authored by a leading name in mathematics, this engaging and clearly presented text leads the reader through the tactics involved in solving mathematical problems at the Mathematical Olympiad level. With numerous exercises and assuming only basic mathematics, this text is ideal for students of 14 years and above in pure mathematics.


On a Method of Multiprogramming

On a Method of Multiprogramming
Author: W.H.J. Feijen
Publisher: Springer Science & Business Media
Total Pages: 396
Release: 1999-06-11
Genre: Computers
ISBN: 9780387988702

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Here, the authors propose a method for the formal development of parallel programs - or multiprograms as they prefer to call them. They accomplish this with a minimum of formal gear, i.e. with the predicate calculus and the well- established theory of Owicki and Gries. They show that the Owicki/Gries theory can be effectively put to work for the formal development of multiprograms, regardless of whether these algorithms are distributed or not.


Working Effectively with Legacy Code

Working Effectively with Legacy Code
Author: Michael Feathers
Publisher: Prentice Hall Professional
Total Pages: 457
Release: 2004-09-22
Genre: Computers
ISBN: 0132931753

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Get more out of your legacy systems: more performance, functionality, reliability, and manageability Is your code easy to change? Can you get nearly instantaneous feedback when you do change it? Do you understand it? If the answer to any of these questions is no, you have legacy code, and it is draining time and money away from your development efforts. In this book, Michael Feathers offers start-to-finish strategies for working more effectively with large, untested legacy code bases. This book draws on material Michael created for his renowned Object Mentor seminars: techniques Michael has used in mentoring to help hundreds of developers, technical managers, and testers bring their legacy systems under control. The topics covered include Understanding the mechanics of software change: adding features, fixing bugs, improving design, optimizing performance Getting legacy code into a test harness Writing tests that protect you against introducing new problems Techniques that can be used with any language or platform—with examples in Java, C++, C, and C# Accurately identifying where code changes need to be made Coping with legacy systems that aren't object-oriented Handling applications that don't seem to have any structure This book also includes a catalog of twenty-four dependency-breaking techniques that help you work with program elements in isolation and make safer changes.


A Discipline of Programming

A Discipline of Programming
Author: Edsger W. Dijkstra
Publisher: Prentice Hall
Total Pages: 248
Release: 1976
Genre: Computers
ISBN:

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Executional abstraction; The role of programming languages; States and their characterization; The characterization of semantics; The semantic characterization of a programming language; Two theorems; On the design of properly terminating; Euclid's algorithm revisited; The formal treatment of some small examples; The linear search theorem; The problem of the next permutation.


Believe in People

Believe in People
Author: Charles Koch
Publisher: St. Martin's Press
Total Pages: 272
Release: 2020-11-17
Genre: Business & Economics
ISBN: 1250200970

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A surprising take on how you can help tackle the really big problems in society–from one of America’s most successful entrepreneurs. People are looking for a better way. Towering barriers are holding millions of people back, and the institutions that should help everyone rise are not doing the job. Crumbling communities. One-size fits all education. Businesses that rig the economy. Public policy that stifles opportunity and emboldens the extremes. As a result, this country is quickly heading toward a two-tiered society. Today’s challenges call for nothing short of a paradigm shift – away from a top-down approach that sees people as problems to be managed, toward bottom-up solutions that empower everyone to realize their potential and foster a more inclusive society. Such a shift starts by asking: What would it mean to truly believe in people? Businessman and philanthropist Charles Koch has devoted his life to answering that question. Learn what he’s discovered during his 60-year career to help you apply the principles of empowerment in your life, in your business, and in society. By learning from the social movements and applying the principles that have enabled social progress throughout history, Koch has achieved more than he dreamed possible – building one of the world’s most successful companies and founding Stand Together, one of America’s most innovative philanthropic communities. Stand Together CEO Brian Hooks and Koch show how the only way to solve the really big problems – from poverty and addiction to harmful business practices and destructive public policy – is for each and every one of us to find and take action in our unique role as part of the solution. Full of compelling examples of what works – including several first-person accounts from individuals whose lives have been transformed – Koch and Hooks’ refreshing approach promotes partnership instead of partisanship and speaks to people from different perspectives and all walks of life. They show that no injustice is too tough to overcome if you share a deep belief in people, are willing to unite with anyone to do right, and work to empower others from the bottom up.


Discourses and Selected Writings

Discourses and Selected Writings
Author: Epictetus
Publisher: Penguin UK
Total Pages: 365
Release: 2008-08-28
Genre: Philosophy
ISBN: 0141917482

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Contains The Discourses/Fragments/Enchiridion 'I must die. But must I die bawling?' Epictetus, a Greek Stoic and freed slave, ran a thriving philosophy school in Nicopolis in the early second century AD. His animated discussions were celebrated for their rhetorical wizardry and were written down by Arrian, his most famous pupil. The Discourses argue that happiness lies in learning to perceive exactly what is in our power to change and what is not, and in embracing our fate to live in harmony with god and nature. In this personal, practical guide to the ethics of Stoicism and moral self-improvement, Epictetus tackles questions of freedom and imprisonment, illness and fear, family, friendship and love. Translated and Edited with an Introduction by Robert Dobbin


Code

Code
Author: Charles Petzold
Publisher: Microsoft Press
Total Pages: 562
Release: 2022-08-02
Genre: Computers
ISBN: 0137909292

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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.


The Personal Librarian

The Personal Librarian
Author: Marie Benedict
Publisher: Penguin
Total Pages: 369
Release: 2022-06-07
Genre: Fiction
ISBN: 0593101545

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The Instant New York Times Bestseller! A Good Morning America* Book Club Pick! Named a Best Book of the Year by NPR! Named a Notable Book of the Year by the Washington Post! “Historical fiction at its best!”* A remarkable novel about J. P. Morgan’s personal librarian, Belle da Costa Greene, the Black American woman who was forced to hide her true identity and pass as white in order to leave a lasting legacy that enriched our nation, from New York Times bestselling authors Marie Benedict and Victoria Christopher Murray. In her twenties, Belle da Costa Greene is hired by J. P. Morgan to curate a collection of rare manuscripts, books, and artwork for his newly built Pierpont Morgan Library. Belle becomes a fixture in New York City society and one of the most powerful people in the art and book world, known for her impeccable taste and shrewd negotiating for critical works as she helps create a world-class collection. But Belle has a secret, one she must protect at all costs. She was born not Belle da Costa Greene but Belle Marion Greener. She is the daughter of Richard Greener, the first Black graduate of Harvard and a well-known advocate for equality. Belle’s complexion isn’t dark because of her alleged Portuguese heritage that lets her pass as white—her complexion is dark because she is African American. The Personal Librarian tells the story of an extraordinary woman, famous for her intellect, style, and wit, and shares the lengths she must go to—for the protection of her family and her legacy—to preserve her carefully crafted white identity in the racist world in which she lives.


The Point Is to Change the World

The Point Is to Change the World
Author: Andaiye
Publisher: Between the Lines
Total Pages: 388
Release: 2020-05-31
Genre: History
ISBN: 1771135085

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Radical activist, thinker, and comrade of Walter Rodney, Andaiye was one of the Caribbean’s most important political voices. For the first time, her writings are published in one collection. Through essays, letters, and journal entries, Andaiye’s thinking on the intersections of gender, race, class, and power are powerfully articulated, Caribbean histories emerge, and stories from a life lived at the barricades are revealed. We learn about the early years of the Working Peopl’s Alliance, the meaning asnd impact of the murder of Walter Rodney and the fall of the Grenada Revolution. Throughout, we bear witness to Andaiye’s acute understanding of politics rooted in communities and the daily lives of so-called ordinary people. Featuring forewords by Clem Seecharan and Robin DG Kelley, these texts will become vital tools in our own struggles to “overcome the power relations that are embedded in every unequal facet of our lives.”