How to fix “Your Ruby version is 1.9.3, but your G
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IcreatedaRubyproject,butwhenrunningbundleupdateandbundleinstallitreturnsanerror: YourRubyversionis1.9.3,butyourGemfil......
no such file to load — rubygems (LoadError)
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Irecentlyinstalledrailsinfedora12.I'mnewtolinuxaswell.EverythingworksfineonWindows7.ButI'mfacinglotofproblemsinlinu......
What are :+ and &:+ in Ruby?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: I'veseentheseseveraltimesbutIcan'tfigureouthowtousethem.ThepickaxesaysthatthesearespecialshortcutsbutIwasn'tableto......
In Ruby on Rails, how do I format a date with the
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iwanttodisplaydatesintheformat:shortdayofweek,shortmonth,dayofmonthwithoutleadingzerobutincluding"th","st","nd",or&...
Best way to create custom config options for my Ra
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IneedtocreateoneconfigoptionformyRailsapplication.Itcanbethesameforallenvironments.IfoundthatifIsetitinenvironment......
How to write to file in Ruby?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Ineedtoreadthedataoutofdatabaseandthensaveitinatextfile. HowcanIdothatinRuby?IsthereanyfilemanagementsysteminR......
How to modify PATH for Homebrew?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Tryingtoinstallruby1.9.3,readthatIneedtoinstallhomebrewfirst.Ranbrewdoctor,andit'sgivingmeabunchofwarnings.Oneofwhi......
Can't install gems on OS X “El Capitan”
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iamnotabletoinstallandrunfakes3gemonElCapitanBeta5. Itried: sudogeminstallfakes3 ERROR:Whileexecutinggem...(Errno::......
Difference between a class and a module
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IcamefromJava,andnowIamworkingmorewithRuby. OnelanguagefeatureIamnotfamiliarwithisthemodule.Iamwonderingwhatexact......
What is the difference between include and extend
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: JustgettingmyheadaroundRubymetaprogramming.Themixin/modulesalwaysmanagetoconfuseme. include:mixesinspecifiedmodulemethod......
How to set TLS context options in Ruby (like OpenS
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: WhenusingOpenSSLinC,wesetoptionsonthecontexttoremoveweakandwoundedprotocolslikeSSLv2andSSLv3.Fromssl.h,hereisabitma......
redirect_to using POST in rails
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IsitpossibletoredirectusingaPOSTmethod? OrshouldredirectsalwaysbemadeusingGET? Theuseforthisisinthefinalstepsofa......
Ruby metaclass confusion
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IunderstandthatallclassesinrubyareinstancesofmetaclassClass.Andthat"regular"objectsareinstancesoftheseclasses(theinstan......
What is “main” in Ruby?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IfIrunthisfileas"rubyx.rb": classX end x=X.new Whatisthethingthatiscalling"X.new"? Isitanobject/process/etc? 回答......
Trying to learn / understand Ruby setter and gette
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: I'mjustlearningtoprogramandhavedecidedtotryRuby.I'msurethisisastupidquestion,buttheinstructoristalkingaboutsetteran......
Ruby - Parameters by reference or by value? [dupli
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Thisquestionalreadyhasananswerhere: IsRubypassbyreferenceorbyvalue? ......
Meaning of tilde-greater-than (~>) in version requ
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: What'sthemeaningof~>versionrequirementingemspecs? hanna-0.1.12dependson[haml(~>2.2.8)] 回答1: TheRubyGemsmanualcalls......
Array#each vs. Array#map
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: hash={"d"=>[11,22],"f"=>[33,44,55]} #case1 hash.map{|k,vs|vs.map{|v|"#{k}:#{v}"}}.join(",") =>&...
Why doesn't ruby support method overloading?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: InsteadofsupportingmethodoverloadingRubyoverwritesexistingmethods.Cananyoneexplainwhythelanguagewasdesignedthisway? 回......
How to search file text for a pattern and replace
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: I'mlookingforascripttosearchafile(orlistoffiles)forapatternand,iffound,replacethatpatternwithagivenvalue. Thoughts?......
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