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收录了14053篇文章 ·14922个问题 · 0人关注
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How can I have two columns in one table point to t

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: Iruntheriskofpalm-to-foreheadhere,butIcan'tquitefigureouthowtodothiswithRails'ActiveRecordsugar. Ih......

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get div nested in div element using Nokogiri

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: ForfollowingHTML,IwanttoparseitandgetfollowingresultusingNokogiri. event_name="folkconcert2" event_l......

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Efficiencies of set operations vs array operations

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: Whatarethedifferencesinefficienciesbetweensetandarrayforoperations? Examples: lookups iterations includes? ......

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How can i check whether the current time in betwee

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: Ineedtocheckwhethermycurrenttimesisbetweenthespecifiedtimeinterval(tonight9pmand9amtomorrow).Howcant......

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Deploy a shell script with Ruby gem and install 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: Iwishtoplaceashellscriptinmygem'sbindir,alongwithotherRubyprogramsthatbelongtothepackage.Iwishto......

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Why does `send` fail with Ruby 2.0 refinement?

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: Whydoesthisnotwork? moduleStringRefinement refineStringdo defbar length end end end usingStr......

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implement a rails before_filter in ruby without 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: Iamusinggaloggerinallofmyclasses. Iwanteachmsgtobeginwithclassnameandmethodnamelikeso: Class_nam......

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Can procs be used with case statements in Ruby 2.0

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: IremembersomethingaboutprocsbeingallowedincasestatementsinRuby2.0,butIcan'tgoogleit. ItriedcheckingR......

0

Ruby maintain Hash insertion order

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: IamlookingforawaytomaintaintheinsertorderforaHashthatIamusinginRuby.Mydataiscomingfromadatabase......

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url_encode 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: Ireadthedocumentationofurl_encode. Isthereatablethattellsmeexactlywhichcharacterisencodedtowhat,using......

0

Access to request object in request specs

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: HowcanIsettherequestheadersbeforedoingtherequestonarequestspec? I'mmovingcontrollerspecstorequestspe......

0

How to convert CSV to Excel?

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: IsthereanyplugininRubythatconvertsCSVfileontoExcel.IdidlittleGooglebutallIfoundwasconvertingExcelf......

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Error installing/bundling gem unf_ext -v '0.0.

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'mtryingtobundleintallunf_ext-v'0.0.6'butIkeepgettingthiserror: Gem::Ext::BuildError:ERROR:Failedtobui......

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How does ruby's String .hash method work?

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'mjustanewbietoruby.I'veseenastringmethod(String).hash. Forexample,inirb,I'vetried >>"mgpyone".has......

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How do you make a method apply to a collection of

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: Currently,ifIwanttoapplyamethodtoagroupofActiveRecordobjects,Ihavetostructurethecalllikeso: message......

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Is there something similar to Nokogiri for parsing

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: Nokogiriisawesome.Icandothingslike#css('.bla')whichwillreturnthefirstmatchingelement. Rightnowweneedt......

0

Ruby Net::OpenTimeout: execution expired

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'mconsistentlygettingthiserroronseveralhostsonmymachine,e.g.: require'open-uri' open('https://google.com').......

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Rails - How do I 'merge' or append a value

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: IamtryingtopassanarrayintheURL,whichisworkingfine,butI'dliketoknowhowIcantheninsertorremovecert......

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Way to load folder as module constant in rails app

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: Sohavearails5projectandwouldliketoloadadirectorylikethis /app /services /user foo.rb asthe......

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Remove “http://” and “https://” from a 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: amnewtoruby usingregularexpression.howcaniremovehttpsandhttpandwwwfromastring server=http://france24.m......