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eBay-Artikelnr.:197473602259
Artikelmerkmale
- Artikelzustand
- Release Year
- 2015
- Book Title
- Effective Python: 59 Specific Ways to Write Better Python (Eff...
- ISBN
- 9780134034287
Über dieses Produkt
Product Identifiers
Publisher
Addison Wesley Professional
ISBN-10
0134034287
ISBN-13
9780134034287
eBay Product ID (ePID)
204215336
Product Key Features
Number of Pages
256 Pages
Publication Name
Effective Python : 59 Specific Ways to Write Better Python
Language
English
Subject
Programming Languages / Python
Publication Year
2015
Type
Textbook
Subject Area
Computers
Series
Effective Software Development Ser.
Format
Trade Paperback
Dimensions
Item Height
0.6 in
Item Weight
15.5 Oz
Item Length
9.1 in
Item Width
6.9 in
Additional Product Features
Intended Audience
Scholarly & Professional
LCCN
2014-048305
Reviews
"I've been programming in Python for years and thought I knew it pretty well. Thanks to this treasure trove of tips and techniques, I realize there's so much more I could be doing with my Python code to make it faster (e.g., using built-in data structures), easier to read (e.g., enforcing keyword-only arguments), and much more Pythonic (e.g., using zip to iterate over lists in parallel)." -Pamela Fox, educationeer, Khan Academy "If I had this book when I first switched from Java to Python, it would have saved me many months of repeated code rewrites, which happened each time I realized I was doing particular things 'non-Pythonically.' This book collects the vast majority of basic Python 'must-knows' into one place, eliminating the need to stumble upon them one-by-one over the course of months or years. The scope of the book is impressive, starting with the importance of PEP8 as well as that of major Python idioms, then reaching through function, method and class design, effective standard library use, quality API design, testing, and performance measurement-this book really has it all. A fantastic introduction to what it really means to be a Python programmer for both the novice and the experienced developer." -Mike Bayer, creator of SQLAlchemy " Effective Python will take your Python skills to the next level with clear guidelines for improving Python code style and function." -Leah Culver, developer advocate, Dropbox "This book is an exceptionally great resource for seasoned developers in other languages who are looking to quickly pick up Python and move beyond the basic language constructs into more Pythonic code. The organization of the book is clear, concise, and easy to digest, and each item and chapter can stand on its own as a meditation on a particular topic. The book covers the breadth of language constructs in pure Python without confusing the reader with the complexities of the broader Python ecosystem. For more seasoned developers the book provides in-depth examples of language constructs they may not have previously encountered, and provides examples of less commonly used language features. It is clear that the author is exceptionally facile with Python, and he uses his professional experience to alert the reader to common subtle bugs and common failure modes. Furthermore, the book does an excellent job of pointing out subtleties between Python 2.X and Python 3.X and could serve as a refresher course as one transitions between variants of Python." -Katherine Scott, software lead, Tempo Automation "This is a great book for both novice and experienced programmers. The code examples and explanations are well thought out and explained concisely and thoroughly." -C. Titus Brown, associate professor, UC Davis "This is an immensely useful resource for advanced Python usage and building cleaner, more maintainable software. Anyone looking to take their Python skills to the next level would benefit from putting the book's advice into practice." -Wes McKinney, creator of pandas; author of Python for Data Analysis ; and software engineer at Cloudera, "I've been programming in Python for years and thought I knew it pretty well. Thanks to this treasure trove of tips and techniques, I realize there's so much more I could be doing with my Python code to make it faster (e.g., using built-in data structures), easier to read (e.g., enforcing keyword-only arguments), and much more Pythonic (e.g., using zip to iterate over lists in parallel)." -Pamela Fox, educationeer, Khan Academy "If I had this book when I first switched from Java to Python, it would have saved me many months of repeated code rewrites, which happened each time I realized I was doing particular things 'non-Pythonically.' This book collects the vast majority of basic Python 'must-knows' into one place, eliminating the need to stumble upon them one-by-one over the course of months or years. The scope of the book is impressive, starting with the importance of PEP8 as well as that of major Python idioms, then reaching through function, method and class design, effective standard library use, quality API design, testing, and performance measurement-this book really has it all. A fantastic introduction to what it really means to be a Python programmer for both the novice and the experienced developer." -Mike Bayer, creator of SQLAlchemy " Effective Python will take your Python skills to the next level with clear guidelines for improving Python code style and function." -Leah Culver, developer advocate, Dropbox "This book is an exceptionally great resource for seasoned developers in other languages who are looking to quickly pick up Python and move beyond the basic language constructs into more Pythonic code. The organization of the book is clear, concise, and easy to digest, and each item and chapter can stand on its own as a meditation on a particular topic. The book covers the breadth of language constructs in pure Python without confusing the reader with the complexities of the broader Python ecosystem. For more seasoned developers the book provides in-depth examples of language constructs they may not have previously encountered, and provides examples of less commonly used language features. It is clear that the author is exceptionally facile with Python, and he uses his professional experience to alert the reader to common subtle bugs and common failure modes. Furthermore, the book does an excellent job of pointing out subtleties between Python 2.X and Python 3.X and could serve as a refresher course as one transitions between variants of Python." -Katherine Scott, software lead, Tempo Automation "This is a great book for both novice and experienced programmers. The code examples and explanations are well thought out and explained concisely and thoroughly." -C. Titus Brown, associate professor, UC Davis "This is an immensely useful resource for advanced Python usage and building cleaner, more maintainable software. Anyone looking to take their Python skills to the next level would benefit from putting the book's advice into practice." -Wes McKinney, creator of pandas; author of Python for Data Analysis ; and software engineer at Cloudera
Illustrated
Yes
Table Of Content
Preface xiii Acknowledgments xvii About the Author xix Chapter 1: Pythonic Thinking 1 Item 1: Know Which Version of Python You''re Using 1 Item 2: Follow the PEP 8 Style Guide 2 Item 3: Know the Differences Between bytes, str, and unicode 5 Item 4: Write Helper Functions Instead of Complex Expressions 8 Item 5: Know How to Slice Sequences 10 Item 6: Avoid Using start, end, and stride in a Single Slice 13 Item 7: Use List Comprehensions Instead of map and filter 15 Item 8: Avoid More Than Two Expressions in List Comprehensions 16 Item 9: Consider Generator Expressions for Large Comprehensions 18 Item 10: Prefer enumerate Over range 20 Item 11: Use zip to Process Iterators in Parallel 21 Item 12: Avoid else Blocks After for and while Loops 23 Item 13: Take Advantage of Each Block in try/except/else/finally 26 Chapter 2: Functions 29 Item 14: Prefer Exceptions to Returning None 29 Item 15: Know How Closures Interact with Variable Scope 31 Item 16: Consider Generators Instead of Returning Lists 36 Item 17: Be Defensive When Iterating Over Arguments 38 Item 18: Reduce Visual Noise with Variable Positional Arguments 43 Item 19: Provide Optional Behavior with Keyword Arguments 45 Item 20: Use None and Docstrings to Specify Dynamic Default Arguments 48 Item 21: Enforce Clarity with Keyword-Only Arguments 51 Chapter 3: Classes and Inheritance 55 Item 22: Prefer Helper Classes Over Bookkeeping with Dictionaries and Tuples 55 Item 23: Accept Functions for Simple Interfaces Instead of Classes 61 Item 24: Use @classmethod Polymorphism to Construct Objects Generically 64 Item 25: Initialize Parent Classes with super 69 Item 26: Use Multiple Inheritance Only for Mix-in Utility Classes 73 Item 27: Prefer Public Attributes Over Private Ones 78 Item 28: Inherit from collections.abc for Custom Container Types 83 Chapter 4: Metaclasses and Attributes 87 Item 29: Use Plain Attributes Instead of Get and Set Methods 87 Item 30: Consider @property Instead of Refactoring Attributes 91 Item 31: Use Descriptors for Reusable @property Methods 95 Item 32: Use __getattr__, __getattribute__, and __setattr__ for Lazy Attributes 100 Item 33: Validate Subclasses with Metaclasses 105 Item 34: Register Class Existence with Metaclasses 108 Item 35: Annotate Class Attributes with Metaclasses 112 Chapter 5: Concurrency and Parallelism 117 Item 36: Use subprocess to Manage Child Processes 118 Item 37: Use Threads for Blocking I/O, Avoid for Parallelism 122 Item 38: Use Lock to Prevent Data Races in Threads 126 Item 39: Use Queue to Coordinate Work Between Threads 129 Item 40: Consider Coroutines to Run Many Functions Concurrently 136 Item 41: Consider concurrent.futures for True Parallelism 145 Chapter 6: Built-in Modules 151 Item 42: Define Function Decorators with functools.wraps 151 Item 43: Consider contextlib and with Statements for Reusable try/finally Behavior 153 Item 44: Make pickle Reliable with copyreg 157 Item 45: Use datetime Instead of time for Local Clocks 162 Item 46: Use Built-in Algorithms and Data Structures 166 Item 47: Use decimal When Precision Is Paramount 171 Item 48: Know Where to Find Community-Built Modules 173 Chapter 7: Collaboration 175 Item 49: Write Docstrings for Every Function, Class, and Module 175 Item 50: Use Packages to Organize Modules and Provide Stable APIs 179 Item 51: Define a Root Exception to Insulate Callers from APIs 184 Item 52: Know How to Break Circular Dependencies 187 Item 53: Use Virtual Environments for Isolated and Reproducible Dependencies 192 Chapter 8: Production 199 Item 54: Consider Module-Scoped Code to Configure Deployment Environments 199 Item 55: Use repr Strings for Debugging Output 202 Item 56: Test Everything with unittest 204 Item 57: Consider Interactive Debugging with pdb 208 Item 58: Profile Before Optimizing 209 Item 59: Use tracemalloc to Understand Memory Usage and Leaks 214 Index 217
Synopsis
"Each item in Slatkin's Effective Python teaches a self-contained lesson with its own source code. This makes the book random-access: Items are easy to browse and study in whatever order the reader needs. I will be recommending Effective Python to students as an admirably compact source of mainstream advice on a very broad range of topics for the intermediate Python programmer." --Brandon Rhodes, software engineer at Dropbox and chair of PyCon 2016-2017 It's easy to start coding with Python, which is why the language is so popular. However, Python's unique strengths, charms, and expressiveness can be hard to grasp, and there are hidden pitfalls that can easily trip you up. Effective Python will help you master a truly "Pythonic" approach to programming, harnessing Python's full power to write exceptionally robust and well-performing code. Using the concise, scenario-driven style pioneered in Scott Meyers' best-selling Effective C++, Brett Slatkin brings together 59 Python best practices, tips, and shortcuts, and explains them with realistic code examples. Drawing on years of experience building Python infrastructure at Google, Slatkin uncovers little-known quirks and idioms that powerfully impact code behavior and performance. You'll learn the best way to accomplish key tasks, so you can write code that's easier to understand, maintain, and improve. Key features include Actionable guidelines for all major areas of Python 3.x and 2.x development, with detailed explanations and examples Best practices for writing functions that clarify intention, promote reuse, and avoid bugs Coverage of how to accurately express behaviors with classes and objects Guidance on how to avoid pitfalls with metaclasses and dynamic attributes More efficient approaches to concurrency and parallelism Better techniques and idioms for using Python's built-in modules Tools and best practices for collaborative development Solutions for debugging, testing, and optimization in order to improve quality and performance, Effective Python will help students harness the full power of Python to write exceptionally robust, efficient, maintainable, and well-performing code. Utilizing the concise, scenario-driven style pioneered in Scott Meyers's best-selling Effective C++ , Brett Slatkin brings together 53 Python best practices, tips, shortcuts, and realistic code examples from expert programmers. Each section contains specific, actionable guidelines organized into items, each with carefully worded advice supported by detailed technical arguments and illuminating examples.
LC Classification Number
QA76.73.P98S57 2015
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97,9% positive Bewertungen•260 Tsd. Artikel verkauft
Angemeldet als gewerblicher Verkäufer
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- 2***- (242)- Bewertung vom Käufer.Letzter MonatBestätigter KaufThank you for an easy, pleasant transaction.
- a***a- Bewertung vom Käufer.Letzter MonatBestätigter KaufBook is in good condition. Shipping was fast.
- a***c (2384)- Bewertung vom Käufer.Letzter MonatBestätigter KaufGrab a Bible and read John chapter 3. Great stuff! Then, just keep on reading.....
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