Programming Pearls. (ACM Press) (Taschenbuch)

Programming Pearls. (ACM Press) (Taschenbuch)
von Jon Bentley

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Fourteen years after it was first issued, C++ expert Jon Bentley reinvents a true classic with the second edition of hisProgramming Pearls. Completely revised and brought up to date with all new code examples in C and C++, this book remains an exceptional tutorial for learning tothinklike a programmer.

The "pearls" in question center not only on choosing the right algorithms (like binary searches, sorting techniques, or sparse arrays) but also on showing how to solve problems effectively. Each chapter frames a particular programming task--such as sorting numbers, creating anagrams, or counting the words in a block of text--many drawn from Bentley's experiences in his long career as a developer. The book traces the process of arriving at a fast, efficient, and accurate solution, along with code profiling to discover what works best. After refining the correct answer, each chapter enumerates programming principles that you can use on your own.

The author also challenges you to think like an engineer, and each chapter ends with about a dozen problems to get you thinking creatively about design issues. (Sidebars on such historical topics as the first computer solutions to computer chess, spell-checking, and even architectural design help create a perspective on successful problem solving and make for a truly educational and enjoyable tour of how to become a better programmer.) Bentley also asks the reader to think analytically about the world with "back of the envelope" estimation techniques drawn from engineering. Appendices list the algorithms and code rules covered in the book, plus some sample solutions.

Fans of the first edition of this title will be pleased to see this favorite computer text brought up to date for today's faster hardware. Whether you want to improve your command of algorithms or test your problem-solving skills, the new version ofProgramming Pearlis a challenging, instructive, and thoroughly entertaining resource.--Richard Dragan

This reviewer still has the original edition of Bentley's book, 14-years-old now. Bentley's influential and eponymous columns first appeared inCommunications of the ACMProgramming Pearlscontains 15 of these--now updated--columns.

In his book Bentley assumes little more than a working knowledge of C, but it's in no way a guide to C. Rather, it approaches programming in the same way William Morris approached design--as a creative act founded on knowledge of the craft. From the first essay, Bentley emphasises the importance of accurately defining the problem in arriving at a fast, robust and efficient solution. He gives a number of examples that show how real understanding can reduce programming time, increase accuracy and reduce bugs.

The essays are divided into three alliteratively named sections: Preliminaries, Performance and Product. The first section covers writing a program that's correct for the programmer and the client. The second addresses efficiency, code tuning and performance. The last is a little unfocussed, albeit still interesting: it covers sorts, searches and heaps among other subjects. Take note, though: the solutions in the appendices are, in true C fashion, pointers to solutions.Programming Pearlsis such a delight, you're likely to find yourself reading it in the bath. --Steve Patient

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