How to do has_many with a model that is in a names
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: Rails3gaveusthesenicegeneratorsthatplacemodelsandcontrollersintonamespaces,whoo!ButnowI'munabletoass......
Rails IPv6 server
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'musingadevelopmentserverwhichIcurrentlyonlyhaveIPv6connectivityto,andI'mworkingonarailsapplication. ......
How to add a single backslash character to a strin
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: Iwanttoinsertbackslashbeforeapostrophein"children'sworld"string.Isthereaeasywaytodoit? irb(main):035:0......
unknown attribute: user_id
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'mgettingtheerrorunknownattribute:user_iddurringexecutionofcurrent_user.stories.build classUser<ActiveReco......
How to run custom rake task via capistrano 3?
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: whichway,icanrunrakecommandsviacapistranoonremoteserver. forexampleihavealib/task/reparse.rakewithsome......
Sending HTTP/2 POST request 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: IamtryingtousethenewApplePushNotificationAPI,whichisbasedonHTTP/2. Ifoundthehttp-2Rubygem,butthed......
Lion OSX: How to install libfreetype.6.dylib?
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: Iamtryingtoinstallarubygem,buttheinstallationprocessisstopped,because: ld:filenotfound:/usr/local/lib/......
With Google API Client, how to create client
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'mworkingtousetheGoogleAPIClient:https://github.com/google/google-api-ruby-client Specifically,Iwanttoacces......
Ruby: Multiply all elements of an array
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: Let'ssayIhaveanarrayA=[1,2,3,4,5] howcanImultiplyallelementswithrubyandgettheresult?1*2*3*4*5=......
Proc.arity vs Lambda.arity
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: Whydoprocandlambdareturndifferentvaluesforarity? e.g. proc{|x=0|}.arity#=>0 lambda{|a=0|}......
why does psych yaml interpreter add line breaks ar
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: Psychisthedefaultyamlenginesinceruby1.9.3 Why,ohwhydoespsychaddalinebreakinitsoutput?Checktheexamp......
Can Ruby interface with r?
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: AfriendneedstodosomeRprogrammingforherPhDandsinceI'maprogrammer,askedmetogiveherahand. SoItooka......
How can I get JavaScript style hash access?
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: IamawareofthisfeatureprovidedbyActiveSupport. h=ActiveSupport::OrderedOptions.new h.boy='John' h.girl='Mar......
How to ping for reachability of remote host in Rub
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: Itriedusing Ping.pingecho("10.102.52.42",30) forreachabilityoftheremotehost.Thisstatementreturnsnulleven......
rails where() sql query on array
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'llexplainthisasbestaspossible.Ihaveaqueryonuserposts: @selected_posts=Posts.where(:category=>"Basebal......
How to “break” out of a case…while 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: So,I'vetriedbreak,nextandreturn.Theyallgiveerrors,exitofcourseworks,butthatcompletelyexits.So,howwou......
`initialize': the scheme postgres does not acc
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'musingRailswithPostgresDBDockercontainerattached.ItlookslikeI'mgettingbelowerrorwhenIrunrailsc: /u......
Fixing the “ruby installation is missing psych” er
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'mrunningRubyruby1.9.3p125andIkeepgettingthiserrorwhichismakingitimpossibleformetodoanykindofdeve......
How do you communicate between Rake tasks?
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: Let'ssayIhaveatargetwhoneedstocompilesomefiles.Thattargethasanothertargetasaprerequisite,onethatobt......
How to parse a string representation of a hash
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: IhavethisstringandI'mwonderinghowtoconvertittoaHash. "{:account_id=>4444,:deposit_id=>3333}" 回答1: T......
{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.manongdao.com//static/images/defaulticon.jpg', '《Ruby》','https://www.manongdao.com/cat-50.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}