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收录了14053篇文章 ·14922个问题 · 0人关注
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Generating a new secrets.yml file

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'mtryingtoclonearailsrepositoryfromgithub,butitdoesn'thaveasecrets.ymlfile.WhenItrytoruntheappfr......

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Regex to check alphanumeric string 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: Iamtryingtovalidatestringsinruby. Anystringwhichcontainsspaces,underscoresoranyspecialcharshouldfailva......

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Ruby CSV UTF8 encoding error while reading

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: ThisiswhatIwasdoing: csv=CSV.open(file_name,"r") Iusedthisfortesting: line=csv.shift whilenotline.nil......

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How can I extract a URL with non-English character

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: Here'sasimplescriptthattakesananchortagwithaGermanURLinit,andextractstheURL: #encoding:utf-8 requir......

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Ruby difference between send and instance_eval?

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: Iknowsendtakesstringorsymbolwithargumentswhileinstance_evaltakesstringorblock,andtheirdifferencecouldb......

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SQL Like operator in ruby on 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: Ihadgotatasktoselectsearchthestudentsthosenamestartwithparamvalueandcityintheselectedvalue.Howcani......

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Upload CSV stream from Ruby to S3

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: IamdealingwithpotentiallyhugeCSVfileswhichIwanttoexportfrommyRailsapp,andsinceitrunsonHeroku,myid......

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Can store hash in a cookie?

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: AnyoneknowifIcanputahashinthecookie? Somethinglikethis:cookies[:test]={:top=>5,:middle=>3,:bottom......

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How can I generate an image in Ruby without extern

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: IwanttoimplementheatmapsoverGooglemapswithmyowndatabeyondmyRailsapplication.TodothisIneedtogenerat......

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Trouble on using the i18n gem with partial templat

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: IamusingRubyonRails3.1andIwouldliketoknowhowtocorrectlyhandleinternationalizationrelatedtopartialtem......

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How to specify the path of the public directory 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: Iwanttoparse.csvfilewhichisinpublicfolder,I'vetried/../'s,#{RAILS_ROOT}/publicbutwithnosuccess(Nosuch......

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Ruby - create gem: reload console with updated gem

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: Accordingtothisarticle,wecantestaroundourgemcodebyaddingthoselinestoourrakefile: task:consoledo req......

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Ruby newbie: undefined method `with_indifferent_ac

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: IamanewRubyprogrammer,andaco-workerofminetohelpmegetstartedwrotethefollowingcodewhichranfineinhis......

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How to override the 'as_json' or 'to_j

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: IamusingRubyonRails3andIwouldliketooverride(possiblyinthemodelfile)theas_jsonorto_jsonmethodinord......

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Skip jbuilder files when I generate a scaffold?

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: WhenIscaffoldIdon'twantittogeneratethesefiles: invokejbuilder createapp/views/tests/index.json.jbuil......

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What does “No binary rubies available” mean?

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: WheneverIuservminstallx.x.x,Igetthiswarningeveninsuccessfulinstallation: Nobinaryrubiesavailablefor:os......

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How do I remove backslashes from a JSON string?

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: IhaveaJSONstringthatlooksasbelow '{\"test\":{\"test1\":{\"test1\":[{\"test2\":\"1\",\"tes...

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Padding printed output of tabular data

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: Iknowthisisprobablydeadsimple,butI'vegotsomedatasuchasthisinonefile: Artichoke GreenGlobe,ImperialS......

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What do =~ and /\\ mean 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'vebeenteachingmyselfRubyandforacertainproblemI'mtryingtosolveInoticealotofpeopleareusing=~and/\......

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trying to POST with ruby mechanize

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'vecapturedtheloginHTTPheadersusingfirefoxpluginLiveHTTPheaders. I'vefoundthefollowingurlandvariables. ......