我一直在尝试读取一个文件，然后它将读取的Material放入一个字符串中。然后字符串将被逐行分割成多个字符串:absPath,_:=filepath.Abs("../Go/input.txt")data,err:=ioutil.ReadFile(absPath)iferr!=nil{panic(err)}input:=string(data)input.txt读作:astronglittlebirdwithaverybigheartwenttoschoolonedayandforgothisfoodathome然而，re=regexp.MustCompile("\\n")input=r

我刚刚设置了一个linode服务器并在其上部署了我的Rails3应用程序。它已启动并正在运行。问题是某些图像未显示在生产环境中。在本地它们运行良好。我仔细检查了日志文件(production.log)但没有找到。然后我检查服务器error.log文件说。[SatDec2922:54:142012][error][client182.177.228.157]Prematureendofscriptheaders:media,referer:http://50.116.57.152/app?v=11&o=33Checkouthttp://50.116.57.152/app?v=11&o=3

我将Refile与Rails4应用程序一起使用。我收到错误:undefinedmethodaccepts_attachments_for'`我正在尝试上传多张图片，并且有两种模型:书籍和blob。我的书.rb:has_many:blobs,dependent::destroyaccepts_attachments_for:blobs我的blobs.rb:belongs_to:bookattachment:file如果我检查rake路由，它显示refile已挂载，那么问题是什么？ 最佳答案 此处讨论了您要使用的功能:https://g

我有一个如下所示的多维数组arr=[["2","3","1"],["5","2","6","1","4","3"],["2","5","1","3","6","4"],["2","3","1"],["2","3","1""],["1","2","3"]]我想生成一个组合并将其展平，如下所示。[["2","5","2","2","2","1"],["2","5","2","2","2","2"],["2","5","2","2","2","3"],["2","5","2","2","3","1"],["2","5","2","2","3","2"],["2","5","2","2","3

当我进行捆绑安装时，出现以下异常。这是什么？rajesh@rajesh:~/workspace/Cybermedia_Test$bundleinstallFetchinggemmetadatafromhttp://rubygems.org/.Unfortunately,afatalerrorhasoccurred.PleaseseetheBundlertroubleshootingdocumentationathttp://bit.ly/bundler-issues.Thanks!/home/rajesh/.rvm/gems/ruby-1.9.3-p385@global/gems/bu

我希望有人能帮助我。我遇到以下问题:Noroutematches{:action=>"show",:controller=>"stocks",:stockpile_id=>#,:id=>nil,:format=>nil}missingrequiredkeys:[:id]访问以下URL时:/admin/stockpiles/3/stocks/我的路线是这样的:scope'/admin'doroot:to=>'admin#index',:as=>'admin'resources:stockpiles,:companiesscope:path=>'stockpiles/:stockpile_

我希望能够通过使用默认模式引用多个问题来通过一次提交关闭多个问题^([Cc]loses|[Ff]ixes)+#\d+a。我知道这只会影响行首的fixes#number-patterns，这就是我想要的。但我还不能让它工作。我目前正在使用Gitlab6.1，根据github上的安装自述文件安装它，除了下面的代码片段之外没有做任何更改。这是我尝试过的:首先，我在{gitlab-directory}/app/models/commit.rb中进行了更改thefollowing(原代码被注释掉):defcloses_issuesprojectmd=safe_message.scan(/(?i)

我正在尝试在我的Rails2.3.8应用程序(ruby1.8.7)中模拟twitter模型classConnection'subject_id',:primary_key=>'user_id',:class_name=>'User'belongs_to:follower,:foreign_key=>'follower_id',:primary_key=>'user_id',:class_name=>'User'endclassUser'user_id',:foreign_key=>'follower_id',:class_name=>'Connection'has_many:relat

我的JAVA_HOME设置为:C:\ProgramFiles(x86)\Java\jdk1.6.0_18运行maveninstall后，我从Eclipse收到此消息:原因:UnabletolocatetheJavacCompilerin:C:\ProgramFiles(x86)\Java\jre6\..\lib\tools.jarPleaseensureyouareusingJDK1.4oraboveandnotaJRE(thecom.sun.tools.javac.Mainclassisrequired).Inmostcasesyoucanchangethelocationofyou

我的JAVA_HOME设置为:C:\ProgramFiles(x86)\Java\jdk1.6.0_18运行maveninstall后，我从Eclipse收到此消息:原因:UnabletolocatetheJavacCompilerin:C:\ProgramFiles(x86)\Java\jre6\..\lib\tools.jarPleaseensureyouareusingJDK1.4oraboveandnotaJRE(thecom.sun.tools.javac.Mainclassisrequired).Inmostcasesyoucanchangethelocationofyou