- Paperback: 352 pages
- Publisher: Addison-Wesley Professional; 1 edition (October 30, 1999)
- Language: English
- ISBN-10: 9780201616224
- ISBN-13: 978-0201616224
- ASIN: 020161622X
- Product Dimensions: 7.4 x 1 x 9.2 inches
- Shipping Weight: 1.3 pounds (View shipping rates and policies)
- Average Customer Review: 357 customer reviews
- Amazon Best Sellers Rank: #10,532 in Books (See Top 100 in Books)
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The Pragmatic Programmer: From Journeyman to Master 1st Edition
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From the Publisher
Programmers are craftspeople trained to use a certain set of tools (editors, object managers, version trackers) to generate a certain kind of product (programs) that will operate in some environment (operating systems on hardware assemblies). Like any other craft, computer programming has spawned a body of wisdom, most of which isn't taught at universities or in certification classes. Most programmers arrive at the so-called tricks of the trade over time, through independent experimentation. In The Pragmatic Programmer, Andrew Hunt and David Thomas codify many of the truths they've discovered during their respective careers as designers of software and writers of code.
Some of the authors' nuggets of pragmatism are concrete, and the path to their implementation is clear. They advise readers to learn one text editor, for example, and use it for everything. They also recommend the use of version-tracking software for even the smallest projects, and promote the merits of learning regular expression syntax and a text-manipulation language. Other (perhaps more valuable) advice is more light-hearted. In the debugging section, it is noted that, "if you see hoof prints think horses, not zebras." That is, suspect everything, but start looking for problems in the most obvious places. There are recommendations for making estimates of time and expense, and for integrating testing into the development process. You'll want a copy of The Pragmatic Programmer for two reasons: it displays your own accumulated wisdom more cleanly than you ever bothered to state it, and it introduces you to methods of work that you may not yet have considered. Working programmers will enjoy this book. --David Wall
Topics covered: A useful approach to software design and construction that allows for efficient, profitable development of high-quality products. Elements of the approach include specification development, customer relations, team management, design practices, development tools, and testing procedures. This approach is presented with the help of anecdotes and technical problems.
From the Publisher
As a reviewer I got an early opportunity to read the book you are holding. It was great, even in draft form. Dave Thomas and Andy Hunt have something to say, and they know how to say it. I saw what they were doing and I knew it would work. I asked to write this foreword so that I could explain why.
Simply put, this book tells you how to program in a way that you can follow. You wouldn't think that that would be a hard thing to do, but it is. Why? For one thing, not all programming books are written by programmers. Many are compiled by language designers, or the journalists who work with them to promote their creations. Those books tell you how to talk in a programming language---which is certainly important, but that is only a small part of what a programmer does.
What does a programmer do besides talk in programming language? Well, that is a deeper issue. Most programmers would have trouble explaining what they do. Programming is a job filled with details, and keeping track of those details requires focus. Hours drift by and the code appears. You look up and there are all of those statements. If you don't think carefully, you might think that programming is just typing statements in a programming language. You would be wrong, of course, but you wouldn't be able to tell by looking around the programming section of the bookstore.
In The Pragmatic Programmer Dave and Andy tell us how to program in a way that we can follow. How did they get so smart? Aren't they just as focused on details as other programmers? The answer is that they paid attention to what they were doing while they were doing it---and then they tried to do it better.
Imagine that you are sitting in a meeting. Maybe you are thinking that the meeting could go on forever and that you would rather be programming. Dave and Andy would be thinking about why they were having the meeting, and wondering if there is something else they could do that would take the place of the meeting, and deciding if that something could be automated so that the work of the meeting just happens in the future. Then they would do it.
That is just the way Dave and Andy think. That meeting wasn't something keeping them from programming. It was programming. And it was programming that could be improved. I know they think this way because it is tip number two: Think About Your Work.
So imagine that these guys are thinking this way for a few years. Pretty soon they would have a collection of solutions. Now imagine them using their solutions in their work for a few more years, and discarding the ones that are too hard or don't always produce results. Well, that approach just about defines pragmatic. Now imagine them taking a year or two more to write their solutions down. You might think, That information would be a gold mine. And you would be right.
The authors tell us how they program. And they tell us in a way that we can follow. But there is more to this second statement than you might think. Let me explain.
The authors have been careful to avoid proposing a theory of software development. This is fortunate, because if they had they would be obliged to warp each chapter to defend their theory. Such warping is the tradition in, say, the physical sciences, where theories eventually become laws or are quietly discarded. Programming on the other hand has few (if any) laws. So programming advice shaped around wanna-be laws may sound good in writing, but it fails to satisfy in practice. This is what goes wrong with so many methodology books.
I've studied this problem for a dozen years and found the most promise in a device called a pattern language. In short, a pattern is a solution, and a pattern language is a system of solutions that reinforce each other. A whole community has formed around the search for these systems.
This book is more than a collection of tips. It is a pattern language in sheep's clothing. I say that because each tip is drawn from experience, told as concrete advice, and related to others to form a system. These are the characteristics that allow us to learn and follow a pattern language. They work the same way here.
You can follow the advice in this book because it is concrete. You won't find vague abstractions. Dave and Andy write directly for you, as if each tip was a vital strategy for energizing your programming career. They make it simple, they tell a story, they use a light touch, and then they follow that up with answers to questions that will come up when you try.
And there is more. After you read ten or fifteen tips you will begin to see an extra dimension to the work. We sometimes call it QWAN, short for the quality without a name. The book has a philosophy that will ooze into your consciousness and mix with your own. It doesn't preach. It just tells what works. But in the telling more comes through. That's the beauty of the book: It embodies its philosophy, and it does so unpretentiously.
So here it is: an easy to read---and use---book about the whole practice of programming. I've gone on and on about why it works. You probably only care that it does work. It does. You will see. --Ward Cunningham
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- The advice on metaprogramming is probably the strongest part of the book. I really liked the clarity of the examples. The key idea is that you should program the structure and methods in code, and provide the detailed implementation (business rules, algorithms etc.) as data.
- The advice on code generators, little languages and plain text interfaces is solid advice worth reiterating and the sections on these are good. However, I preferred the treatment offered by Jon Bentley in his really excellent Programming Pearls books
- The section on automation is a healthy reminder that programmers should have a "do it once, or automate" philosophy
- The section on contract-driven development is worthy and echoes current practice. Jon Bentley's version is a more theoretical, conceptual approach, less polluted by particular industry practices.
- The sections on test-driven development is fine, but the ideas are much better handled by Kent Beck's books
The not so good:
- The chapters on Pragmatism, Specification, Team Work and Discipline fit nicely with the general themes of the book, but say very little of practical value. If you are interested in operating in a team environment, this isn't the book you are looking for.
- The section on programming methodologies is so wishy-washy it's hard to know what advice if any to take away from it
- References to specific resources are somewhat out of date (the book was written 15 years ago)
The Pragmatic Programmer is worth the price, but if you are thinking of buying this book because you are a relatively new programmer and are looking for advice, I would strongly suggest first reading the much better books:
Jon Bentley's Programming Pearls and More Programming Pearls
Kernighan and Pike's The Practice of Programming
Kent Beck's Extreme Programming Explained
Another book you might be interested in is Susan Lammers, Programmers at Work. Although it is very old (1989), its interesting that most of the programmers interviewed discuss exactly the same themes picked up in The Pragmatic Programmer.
In case you were also thinking about buying a copy of Code Complete, which is also often recommended to new programmers, also hold off - its far too long and a great deal of it feels like a padded-out outline.
I was surprised at how much information I could relate to, the anecdotes and guidelines it outlines are things that I would have told my younger self when I started programming if I had the chance. Earlier this year I reread the book just to revisit the tips that were being outlined, and they still make perfect sense.
What exactly is this book about? It's series articles containing tips that are meant for programmers who want to be effective and efficient, who program as a profession, who have project risks that need to be evaluated, team-members they need to work with, code that needs to meet quality standards, code that is maintained as legacy the moment it's compiled and shipped, and it's about considering your value as a programmer to the company and updating and grooming your skills to advance your career.
Every single tip and anecdote in the book may not apply to everybody, and you may not agree with all of them, but I believe it's essential reading for anyone who wants a fulfilling career in software development. I'd say the best time to read the book would be about 6 months to 2 years after you've started working professionally; that gives some time to make real-world experiences relevant and understandable to what the book is preaching , but early enough in your career to leverage it's knowledge for the future.
Thomas and Hunt present content that is useful for everyone from the novice to the expert. They organize their advice into approximately 46 topics that cover a wide range of programming best practices. The tips build on each other throughout and are loosely categorized so that tips on similar themes are grouped together. To get the most out of it, I suggest reading the whole book, or at least sizeable sections, beginning to end to clearly see how they integrate. However, because there are so many tips, integrating them all at once initially may be difficult. It’s easy to bite off more than you can chew here, so perhaps a good starting point is to begin with the tips that are most relevant for you and branch out from there. A couple of sections resonated strongly with me:
1) A useful practice that I operate by and push my developers to operate by is refactoring (Chapter 6 – “While You Are Coding”, p. 184). This book provides a framework for the appropriate mindset to take on how to handle and maintain a code base. In refactoring, you don’t relate the software so much to a construction project but to creating and maintaining a garden – code is dynamic and its environment is ever changing. You’ll need to adapt and adjust code as the project moves along, and developers need to operate from the mindset that they’ll need to change things and adapt their code as they proceed.
2) Another practice that I follow extensively is Design by Contract (Chapter 4 – “Pragmatic Paranoia”, p. 109), or the idea that you build/structure elements to a defined contract. This could be a contract between systems, classes, or even functions. I use this approach with both my local developers and external developers, and this book gives a good framework and guidelines on how applications and classes need to work. For example, I can define a contract for how a base class and its subclasses need to work and interact, and then work with a developer to provide the specific implementation for that class. I also use this approach for APIs when coordinating with an external team to handle an exchange of data.
I’m a software architect and developer with over 20 years of industry experience across a number of languages and systems, and I’ve completed hundreds of projects both individually and with technical and cross-disciplinary teams of varying sizes. Most of the subjects covered in this book are best practices I look for or insist on establishing on my projects to ensure work moves along smoothly during development. This book covers the spectrum – it’s equally useful to me, my project managers and developers, and those just getting into our industry. It’s a solid book to return to every once in a while to make sure you’re in alignment with best practices. I highly recommend it to both new and experienced developers. I hope it helps you as much as it’s helped me.