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文件名称：Agile Web Development With Rails, Fourth Edition.pdf
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更新时间：2022-09-03 07:12:09
Agile Web Development Rails Fourth
WhenDaveaskedmetojoinasacoauthorofthethirdeditionofthisbook,
Iwasthrilled.Afterall,itwasfromthefirstprintingofthefirsteditionof
thisbookthatIhadlearnedRails.DaveandIalsohavemuchincommon.
AlthoughheprefersEmacsandMacOSXandmypreferencestendtowardVim
andUbuntu,webothsharealoveforthecommandlineandgettingourfin-
gersdirtywithcode—startingwithtangibleexamplesbeforedivingintoheavy
theory.
Sincethetimethethirdeditionwaspublished(and,infact,sincethefirst,sec-
ondandthirdeditions),muchhaschanged.Railsisintheprocessofbeingsig-
nificantlyrefactored,mostlyinternally.Anumberoffeaturesthatwereusedin
previousexampleshavebeeninitiallydeprecatedandsubsequentlyremoved.
Newfeatureshavebeenadded,andmuchexperiencehasbeenobtainedas
towhatthebestpracticesareforusingRails.RailsalsoworksonRuby1.9,
thoughsomeoftheexampleshadtobemodifiedinorderforthistowork.
Additionally,Railshasexplodedfrombeingapopularframeworktoanactive
andvibrantecosystem,completewithmanypopularpluginsanddeepinte-
grationintothirdpartytools.Intheprocess,Railshasbecomemainstream,
attractingamorediversesetofdeveloperstotheframework.
Thishasledtoareorganizationofthebook.ManynewcomerstoRailshave
nothadthepleasureofbeingintroducedtoRuby,sothissectionhasbeen
promotedfromanappendixtoachapterinthefirstsection.Wefollowthis
sectionwithastep-by-stepwalkthroughofbuildingarealapplication,which
hasbeenupdatedandstreamlinedtofocusoncurrentbestpractices.Butthe
biggestchangeisinthefinalsection:asitisnolongerpracticaltocoverthe
entireecosystemofRailsgivenbothitsbreadthandrateofchange,whatthis
sectionisnowfocusedonistoprovideanoverallperspectiveofthelandscape,
enablingyou,thereader,toknowwhattolookforandwheretofindplug-
insandrelatedtoolstoaddresscommonneedsthatgofarbeyondwhatthe
frameworkitselfcontains.