How to make a HTTP request using 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: Iwouldliketotakeinformationfromanotherwebsite.Therefore(maybe)Ishouldmakearequesttothatwebsite(inmycaseaHTTPGETreque......
Disable ActiveRecord for Rails 4
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: IwanttodisableActiveRecordinRails4.Ididthefollowinginconfig/application.rb requireFile.expand_path('../boot',__FILE__) #req......
Save image from URL by paperclip
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: PleasesuggestmeawaytosaveanimagefromanURLbyPaperclip. 回答1: Hereisasimpleway: require"open-uri" classUser<ActiveR......
What are the Ruby Gotchas a newbie should be warne
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: IhaverecentlylearnedtheRubyprogramminglanguage,andallinallitisagoodlanguage.ButIwasquitesurprisedtoseethatitwasno......
What are all the common ways to read a file 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: WhatareallthecommonwaystoreadafileinRuby? Forinstance,hereisonemethod: fileObj=File.new($fileName,"r") while(line=fil......
Installing Bootstrap 3 on 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: I'mtryingtoinstallBootstrap3.0onmyRailsapp.IrecentlyfinishedMichaelHartl'stutorialandamnowtryingtobuildmyownsystemus......
Optional argument after splat argument
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: Hereismyprogram: defcalculate(*numbers,options={}) add(numbers)ifoptions[:add] subtract(numbers)ifoptions[:add]==false......
How to get argument names using reflection
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: Iwouldliketodosomefairlyheavy-dutyreflectioninRuby.Iwanttocreateafunctionthatreturnsthenamesoftheargumentsofvarious......
Getting the Hostname or IP 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: I'mintheprocessofmaintainingaRubyonRailsappandamlookingforaneasywaytofindthehostnameorIPaddressoftheboxI'mon(si......
What does 'require: false' in Gemfile 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: Doesthis: gem'whenever',require:false meanthatthegemneedstobeinstalled,ordoesitmeanitisnotrequired? 回答1: Thisme......
Enums 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: What'sthebestwaytoimplementtheenumidiominRuby?I'mlookingforsomethingwhichIcanuse(almost)liketheJava/C#enums. 回答1......
Is there a “do … while” loop 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'musingthiscodetolettheuserenterinnameswhiletheprogramstorestheminanarrayuntiltheyenteranemptystring(theymustpres......
Match all occurrences of a regex
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: IsthereaquickwaytofindeverymatchofaregularexpressioninRuby?I'velookedthroughtheRegexobjectintheRubySTLandsearchedo......
What Ruby IDE do you prefer? [closed]
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'vebeenusingEclipsewithRDT(notRadRails)alotlately,andI'mquitehappywithit,butI'mwonderingifyouguysknowanydecentalte......
Best practices with STDIN 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: IwanttodealwiththecommandlineinputinRuby: >catinput.txt|myprog.rb >myprog.rb<input.txt >myprog.rbarg1arg2arg3... Wha......
Check if a value exists in an array 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: Ihaveavalue'Dog'andanarray['Cat','Dog','Bird']. HowdoIcheckifitexistsinthearraywithoutloopingthroughit?Isthereas......
How can I “pretty” format my JSON output in Ruby o
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: IwouldlikemyJSONoutputinRubyonRailstobe"pretty"ornicelyformatted. Rightnow,Icallto_jsonandmyJSONisallononeline.......
Begin, Rescue and Ensure 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'verecentlystartedprogramminginRuby,andIamlookingatexceptionhandling. IwaswonderingifensurewastheRubyequivalentoffina......
Using Sinatra for larger projects via multiple fil
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: ItseemsthatinSinatraallroutehandlersarebeingwrittenintoasinglefile,ifIunderstandrightitactsasaonelarge/smallcontroll......
Your Ruby version is 2.0.0, but your Gemfile speci
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: WhenItrytobundleinstallIgetthefollowingmessage: YourRubyversionis2.0.0,butyourGemfilespecified2.1.0 InmyGemfileIhav......
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