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......
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......
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? ......
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......
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......
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......
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......
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......
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......
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......
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......
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......
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......
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......
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......
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......
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').......
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......
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......
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......