易讀代碼的藝術(shù)

內(nèi)容概要

作為程序員，我們經(jīng)?？吹揭恍┏錆MBug、讓我們頭痛不已的丑陋代碼。在過去五年中，《易讀代碼的藝術(shù)(影印版)》的作者博斯韋爾(Dustin
Boswell)和富徹(Trevor
Foucher)分析了許多這樣的“糟糕代碼”(這些代碼有很多是出自于他們自己之手)，他們試圖厘清為什么這些代碼如此糟糕以及如何改進(jìn)這些代碼。他們得出的結(jié)論是：你必須寫出讓他人(這里也包括你自己)花費(fèi)最少時(shí)間能夠理解的代碼。

作者簡介

　　Dustin Boswell，畢業(yè)于加州理工學(xué)院，在谷歌公司從事過五年的Web信息采集基礎(chǔ)設(shè)施和廣告營銷計(jì)劃的研究工作。他先后構(gòu)建過多個Web站點(diǎn)，目前的主要研究興趣在于大數(shù)據(jù)的處理和機(jī)器學(xué)習(xí)領(lǐng)域的相關(guān)技術(shù)?！　revor Foucher，過去十年中先后在微軟公司擔(dān)任Windows及安全相關(guān)產(chǎn)品的工程師、經(jīng)理和技術(shù)領(lǐng)導(dǎo)者的職務(wù)，現(xiàn)任職于谷歌公司，主要從事谷歌廣告營銷計(jì)劃和搜索基礎(chǔ)設(shè)施的研究工作。

書籍目錄

PREFACE
  CODE SHOULD BE EASY TO UNDERSTAND
  What Makes Code "Better"?
  The Fundamental Theorem of Readability
  Is Smaller Always Better?
  Does Time-TilI-UndetandinR Conflict with Other Goals?
  The Hard Part
Part One  SURFACE-LEVEL IMPROVEMENTS
  PACKING INFORMATION INTO NAMES
  Choose Specific Words
  Auoid Generic Names Like Imp and retual
  Prefer Concrete Names ouer Abstract Names
  Attachin9 Extra Information to a Name
  How Lon.g Should a Name Be?
  Use Name Formatting to Conuey Meaning
  Summary
  NAMES THAT CAN'T BE MISCONSTRUED
  Example: FilterO
  Example: Clip(text, length)
  Prefer rain and max for (Inclusiue) Limits
  Prefer fit and last for Inelusiue RanRes
  Prefer herin and end for.lnclusiue/Exclusiue RanRes
  NaminR Boolea
  MatchinR Expectatio of Use
  Example: EualuatinR Multiple Name Candidates
  Summary
  AESTHETICS
  Why Do Aesthetics Matter?
  BearranRe Line Breaks to Be Coistent and Compact
  Use Methods to Clean Up IrreRularity
  Use Column AliRnment When Helpful
  Pick a MeaninRful Order, and Use It Coistently
  OrRanize Declaratio into Blocks
  Break Code into "Parafgraphs"
  Peonal Style ueus Coistency
  Summary
  KNOWING WHAT TO COMMENT
  What NOT to Comment
  Becordin9 Your Thouyhts
  Put Youelf in the Reader's Shoes
  Final Thoughts--Getting Over Writer's Block
  Summary
  MAKING COMMENTS PRECISE AND COMPACT
  Keep Comments Compact
  Avoid Ambiguous Pronou
  Polish Sloppy Sentences
  Describe Function Behavior Precisely
  Use Input/Output Examples That Illustrate Corner Cases
  State the Intent of Your Code
  "Named Function Parameter" Comments
  Use Information-Dee Words
  Summary
Part Two  SIMPLIFYING LOOPS AND LOGIC
  MAKING CONTROL FLOW EASY TO READ
  The Order of Arguments in Conditionals
  The Order of if/else Blocks
  The ?: Conditional Expression (a.k.a. "Ternary Operator")
  Avoid dogwhile Loops
  Returning Early from a Function
  The Infamous goto
  Minimize Nesting
  Can You Follow the Flow of Execution?
  Summary
  BREAKING DOWN GIANT EXPRESSIONS
  Explainin9 Variables
  Summary Variables
  Using De Morgan's Laws
  Abusing Short-Circuit Logic
  Example: Wrestling with Complicated Logic
  Breaking Down Giant Statements
  Another Creative Way to Simplify Expressio
  Summary
  VARIABLES AND READABILITY
  Eliminatinfg Variables
  Shrink the Scope of Your Variables
  Prefer Write-Once Variables
  A Final Example
  Summary
Part Three  REORGANIZING YOUR CODE
  EXTRACTING UNRELATED SUBPROBLEMS
  Introductory Example: findClosestLoeationO
  Pure Utility Code
  Other General-Purpose Code
  Create a Lot of General-Purpose Code
  Project-Specific Functionality
  Simplilying an Existing Interface
  Reshaping an Interface to Your Needs
  Taking Things Too Far
  Summary
  ONETASK ATA TIME
  Tasks Can Be Small
  Extracting Values from an Object
  A Larger Example
  Summary
  TURNING THOUGHTS INTO CODE
  Describing Logic Clearly
  Knowing Your Libraries Helps
  Applying This Method to Larger Problems
  Summary
  WRITING LESS CODE
  Don't Bother Implementing That Feature--You Won't Need It
  Question and Break Douan Your Requirements
  Keeping Your Codebase Small
  Be Familiar with the Libraries Around You
  Example: Using Unix Tools Itead of Coding
  Summary
Part Four  SELECTED TOPICS
  TESTING AND READABILITY
  Make Tests Easy to Read and Maintain
  What's Wrong with This Test?
  Making This Test More Readable
  Making Error Messages Readable
  Choosing Good Test Inputs
  Naming Test Functio
  What Was Wrong with That Test?
  Test-Friendly Deuelopment
  Going Too Far
  Summary
  DESIGNING AND IMPLEMENTING A "MINUTE/HOUR COUNTER"
  The Problem
  Defining the Class Interface
  Attempt 1: A Naiue Solution
  Attempt 2: Conueyor Belt Design
  Attempt 3: A Time-Bucketed Design
  Comparing the Three Solutio
  Summary
  FURTHER READING
  INDEX

媒體關(guān)注與評論

　　“意識到你所編寫的代碼如何影響他人的閱讀和理解是軟件開發(fā)中的一個重要環(huán)節(jié)。本書的作者通過大量啟發(fā)式的例子帶領(lǐng)讀者從多個不同的方面去迎接這一挑戰(zhàn)，在這一領(lǐng)域做出了偉大的工作?！薄　　狹ichael Hunger，軟件開發(fā)人員，Neo Technology

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