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Ronald L. Graham, Donald Ervin Knuth, Oren Patashnik
This book, updated and improved, introduces the mathematics that supports advanced computer programming and the analysis of algorithms. The primary aim of its well-known authors is to provide a solid and relevant base of mathematical skills--the skills needed to solve complex problems, to evaluate horrendous-looking sums, to solve complex recurrence relations, and to discover subtle patterns in data. It is an indispensable text and reference, not only for computer scientists but for all technical professionals in virtually every discipline.
Chad Pytel, Tammer Saleh
How to avoid the most common code and design mistakes in Ruby on Rails applications - and refactor away problems that already exist • •A unique guide to improving Rails code quality, performance, reliability, stability, scalability, and maintainability. •Practical, proven techniques for ensuring that every new Rails application reflects today's best practices. •Highly realistic: reflects Rails mistakes and bad habits the authors have repeatedly seen 'in the wild' As millions of web developers have turned to the Ruby on Rails framework, many have fallen victim to the same mistakes, misconceptions, and bad habits. These errors can significantly reduce code quality, performance, reliability, stability, scalability, and maintainability. In some cases, they can even derail a project. In this book, these common Rails code and design problems are compiled into a complete set of AntiPatterns: what they look like, why they happen, why they're bad - and what to do instead. Every AntiPattern is illuminated with real world code, as well as specific guidance for refactoring existing bad code or design to reflect sound Object Oriented principles and established Ruby on Rails best practices. This 'cookbook' is organized into short, concise, easy-to-use chapters - each outlining a single common AntiPattern and offering detailed solutions. Until now, this information was difficult to find - and much of it wasn't available at all. Using Rails AntiPatterns, developers can dramatically improve the quality of both new and existing Rails applications; avoid future bad practices; and establish more effective Rails coding standards throughout the development organization.
Tom DeMarco, Timothy R. Lister
The legendary 'anti-Dilbert' book on managing software projects by focusing on people - now fully updated for today's projects and methodologies * *Combines humor and wisdom to deliver timeless, practical advice every software manager and developer can use *Updated and reorganized, with seven brand-new chapters *Now addresses leadership, generational differences, distributed and diverse teams, managing risk, holding effective meetings, and using email the right way For this third edition, the authors have added six new chapters and updated the text throughout, bringing it in line with today's development environments and challenges. For example, the book now discusses pathologies of leadership that hadn't previously been judged to be pathological; an evolving culture of meetings; hybrid teams made up of people from seemingly incompatible generations; and a growing awareness that some of our most common tools are more like anchors than propellers. Anyone who needs to manage a software project or software organization will find invaluable advice throughout the book.