How do I limit the number of replacements when usi
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: HowdoyoulimitthenumberofreplacementsmadebyString#gsubinRuby? InPHPthiscanbeeasydonewithpreg_replace......
Ruby/Rails - Access a “lookup” table without model
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: ThisisforaRubyonRails3.0.xproject. Ihavea"lookup"tablewithdatafromavendor. WhenIimportdatafromano......
The Authlogic record method. What does this do
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: IcameacrossthismethodcalledrecordthatRyanbatesusesinhisauthlogicRailscastandcan'tseemtounderstandwhat......
Show tooltip of a column chart programmatically in
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'veaHighstockchart(Linewithmarkersandshadow)andwouldliketoshowahighstocktooltipprogrammatically,i.e.w......
Recursive nested matching pairs of curly braces in
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: Ihavethefollowingstring: The{quick}brownfox{jumps{over{deep}the}{sfsdf0}lazy}dog{sdfsdf1{sdfsdf2} And......
How do I use domain objects from middleware with c
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: Intherailsdevelopmentenvironment,cache_classesisoffsoyoucanmodifycodeunderapp/andseechangeswithoutrest......
Error installing gems: cannot load such file — zli
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'mtryingtoinstallbundlergemonMacOSYosmite ~/code/hellogeminstallbundler ERROR:Loadingcommand:install(L......
Ruby : How can I detect/intelligently guess the de
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: Ineedtobeabletofigureoutwhichdelimiterisbeingusedinacsvfile(comma,spaceorsemicolon)inmyRubyprojec......
Ruby - How to use different fonts in Prawn?
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: IhaveasmallRubyprogramwhereI'mprintingsometextouttoaPDFusingPrawn,butasmallportionofthetextisnon......
Cannot install gem - make is not recognized as an
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: Iwantedtoinstalltherspec-railsgemwithruby1.9.3onwindows7.Igotsomeerrorssayingthatsomejsonlibrariesc......
Catching Invalid JSON Parse Errors with Rack Middl
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: IamusingRails5andIamtryingtoimproveerrorhandlingforinvalidJSONrequeststomyAPI. Itriedhandlinginval......
Understanding precedence of assignment and logical
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: Ican'tunderstandprecedenceofRubyoperatorsinafollowingexample: x=1&&y=2 Since&&hashigherprecedence......
Serializing an object to JSON, XML, YAML?
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: Iaskedapreviousquestionaboutserializationandvalidation.SomeonementionedusingtheJSONgemwhichallowsmetot......
Difference between ActiveRecord and ActiveRecord::
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: IhavesearchedbutnotabletofindthebriefexplanationforthedifferencebetweenActiveRecordandActiveRecord::rela......
Passing params to CanCan in RoR
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: Ihaveacontrollerwithamethodlike; defshow ifparams[:format].eql?("pdf") //dosomething elsifparam......
How to downgrade my rails version?
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: Iamusingrailsversion4.2.0.HowcanIdowngradetoversion3.2.19? Itriedthefollowing: Iopenedcommandprompt......
Get unicode by hex string in Ruby [duplicate]
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: Thisquestionalread...
'bundle exec' complains about gem not bein
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: IhaveawebsiteusingJekyllwithGithubPages.AfterpreviouslymessingaboutwithversionsandRVMonanothercompute......
Does SAVON support client side certificates authen
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'mevaluatingsavonforconsumingwebservices...butIdontfindanyinformationifIcanuseaSSLclientsidecertific......
Turning constructor arguments into instance variab
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: Thisquestionalread...