Extreme Perl

An evolving book about Extreme Programming with Perl. Freely available in HTML and PDF.

Extreme Perl - Chapter 14: Refactoring

In refactoring, there is a premium on knowing when to quit. -- Kent Beck. Refactoring is an iterative design strategy. Each refactoring improves an ...

Extreme Perl - Preface

Have fun, and build something cool. -- Pete Bonham. This book is about a marriage of two compatible yet unlikely partners. Extreme Programming (XP) is a ...

Extreme Perl - Chapter 7: Tracking

He achieves successes he accomplishes his tasks and the hundred clans all say: We are just being natural. -- Lao-Tze[1]. XP's focus is on the here and now. ...

Extreme Perl - Chapter 3: Perl

Perl is a language for getting your job done. -- Larry Wall. Perl is a dynamic, object-oriented, interpreted, applications programming language with a full ...

Extreme Perl - Chapter 9: Logistics

Failure is not an option. It comes bundled with the software. -- Anonymous. This chapter is under construction. Previous: Chapter 8: Pair Programming ...

Extreme Perl - Chapter 5: Iteration Planning

Plans are useless, but planning is indispensable. -- Dwight D. Eisenhower. An iteration adds function to a system without breaking it. ...

Extreme Perl - Chapter 12: Continuous Design

In the beginning was simplicity. -- Richard Dawkins[1]. Software evolves. All systems are adapted to the needs of their users and the circumstances in which ...

Extreme Perl - Chapter 1: The Problem

In spite of what your client may tell you, there's always a problem. -- Gerald Weinberg. Software is a scarce resource, in that the demand for software ...

Extreme Perl - Chapter 13: Unit Testing

A successful test case is one that detects an as-yet undiscovered error. -- Glenford Myers[1]. The second and third examples test a post office protocol ...