草庐IT

javascript - 什么是 "RegExp DoS issue"?

我刚刚在服务器上安装了nodejs,一个基本的npminstall显示了很多这样的消息:$npminstallnpmWARNdeprecatedminimatch@2.0.10:Pleaseupdatetominimatch3.0.2orhighertoavoidaRegExpDoSissuenpmWARNdeprecatedminimatch@0.2.14:Pleaseupdatetominimatch3.0.2orhighertoavoidaRegExpDoSissuenpmWARNdeprecatedgraceful-fs@1.2.3:graceful-fsv3.0.0andbe

node.js - Cordova 安装错误 : path issue (? ) - 错误代码 ENOENT

在安装Xcode和NodeJS之后,我现在正在尝试安装Cordova,但我收到以下关于缺少文件的错误(路径错误?)。Luciens-MacBook-Pro:~lucientavano$npmcachecleanLuciens-MacBook-Pro:~lucientavano$sudonpminstall-gcordovaPassword:npmWARNdeprecatednpmconf@2.1.2:thispackagehasbeenreintegratedintonpmandisnowoutofdatewithrespecttonpm/usr/local/lib└──(empty)

node.js - Node/ express : concurrency issues when using session to store state

因此,我为此进行了相当多的搜索,发现了几个有点相似的问题,但没有一个真正解决了这个问题,所以我认为这值得自己提出一个问题。我有一个快速应用程序,其中包含一组修改session以保持状态的路由。问题是,如果有多个并行请求,由于请求之间的竞争条件,session将不时被覆盖。通常...app.use(express.static('/public'));app.use(session(...));app.route('methodA').get(function(req,res,next){doSomethingSlow().then(function(){req.session.a='f

node.js - 弃用警告 : Buffer() is deprecated due to security and usability issues when I move my script to another server

脚本移动到其他服务器时出错。(node:15707)[DEP0005]DeprecationWarning:Buffer()isdeprecatedduetosecurityandusabilityissues.PleaseusetheBuffer.alloc(),Buffer.allocUnsafe(),orBuffer.from()methodsinstead.当前版本:Ubuntu16.04.4LTSNode-v10.9.0NPM-6.2.0以前的版本:Ubuntu14.04.3LTSNPM-3.10.10Node-v6.10.3exports.basicAuthenticati

java - Ant 目标失败 : Antlib or Ivy issue?

这个问题在这里已经有了答案:关闭10年前。PossibleDuplicate:Ivyfailstoresolveadependancy,unabletofindcause我正在尝试运行以下构建任务(initIvy):当我运行ant-buildfilebuild.xmlinitIvy我得到以下输出:Buildfile://build/build.xml[taskdef]Couldnotloaddefinitionsfromresourceorg/apache/ivy/ant/antlib.xml.Itcouldnotbefound.initIvy:[echo]InitializingAp

docker - 如何修复 docker : Got permission denied issue

我在装有Ubuntu操作系统的机器上安装了Docker。当我运行时:sudodockerrunhello-world一切正常,但我想隐藏sudo命令以使命令更短。如果我在没有sudo的情况下编写命令dockerrunhello-world显示如下:docker:GotpermissiondeniedwhiletryingtoconnecttotheDockerdaemonsocketatunix:///var/run/docker.sock:Posthttp://%2Fvar%2Frun%2Fdocker.sock/v1.35/containers/create:dialunix/va

string - Golang : Issues replacing newlines in a string from a text file

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

ruby-on-rails - 脚本头过早结束 : media ( Issue related to :rails app deployment+passenger+ubuntu+apache)

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

ruby-on-rails - 重新提交 accepts_attachments_for issue

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

Ruby 数组映射(& :flatten) is causing a latency issue

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