背景：针对一些想换头像的玩家，而又不知道用什么头像的，作为一名代码爱好者，能用程序解决的，就不用程序来换头像，说干就干，然后就整理了一下。安装node环境node-vnode版本最好在8.11.1以上assets是存放所下载的图片static是静态资源页面eg.js是下载图片示例（nodeeg.js）img.json是...

爬虫其实就是模仿浏览器访问页面，然后把页面保存起来备用。 爬虫的方法，直接上代码：functiongetUrl(url,success,error){leturlObj=urlParser.parse(url);letmod=null;//判断用是哪个协议，对应用哪个模块if(urlObj.protocol=...

手写了一个方便爬虫的小库：consturl=require('url')constglib=require('zlib')//默认头部const_default_headers={'Accept-Encoding':'gzip,deflate,br','User-Agent':'Mozilla/5.0(WindowsN...

一、申请公众号获取开发者ID（AppID）和开发者密码（AppSecret）通过AppID和AppSecret获得access_token二、认证1、营业执照2、组织机构代码证获得高级接口权限三、绑定域名1、微信公众平台进入“公众号设置”的“功能设置”里填写“...

使用nodejs封装mysql方法utils/db.js/***@Author:WeiLin*@CreateTime:2022-07-2909:40:44*@Modifiedtime:2022-07-2909:42:19*@Description:*/constmysql=require('mysql')constCo...

文档解释ORA-31181:PL/SQLDOMhandleaccessesnodethatisnolongeravailableCause:Thespecifiedpl/sqlhandleisreferencinganodeinaDOMDocumentthatisnolongeravailable.Action:Ens...

文档解释ORA-31185:DOMNodesdonotbelongtothesameDOMDocumentCause:ThespecifiedPL/SQLDOMNodedoesnotbelongtotheparentDOMDocumentofthereferringDOMNode.Action:Ensurethatbo...

文档解释ORA-18103:XUTY0004–InvalidattributenodeintheinsertionsequenceCause:TheinsertionsequenceofanINSERTexpressioncontainedanattributefollowinganodethatwasno...

文档解释ORA-18119:XUDY0020–DeletednodehasnoparentCause:Nodewasdeletedthathadnoparentbeforeexecutionofthequerybegan.Action:NoneORA-18119：XUDY0020-删除的节点没有父节点。官方...

文档解释ORA-15306:ASMpasswordfileupdatefailedonatleastonenodeCause:ACREATEUSER,ALTERUSER,DROPUSER,GRANT,orREVOKEcommandfailedonatleastonenodeoftheAutomaticStorageMa...

文档解释ORA-41631:invalidtextnodeorchildelementfor“string”elementinpropertiesCause:Anattemptwasmadetospecifyachildelementoratextnodeininvalidpositionint...

文档解释ORA-55304:specifiedreuse-bNodemodel-idstring!=targetmodel-idstringCause:Thereuse-bNodemodel-idspecifiedfortheSDO_RDF_TRIPLE_Sconstructorwasneither0northemod...

文档解释ORA-18114:XUDY0015–DuplicateRENAMEforthesametargetnodeCause:AnodewasthetargetofmorethanoneRENAMEexpressionwithinthesamequery.Action:None，及自测练习等。ORA-18...

文档解释ORA-19026:EXTRACTVALUEcanonlyretrievevalueofleafnodeCause:GivenXPathdoesnotpointtoaleafnode.Action:Rewritethequerysothataleafnodeisreturned.ORA-19026:EXTRAC...

文档解释ORA-39238:XMLnodeattributedifferencesarenotsupported.Cause:MDAPIXMLdifferenceparsingdidnotsupportnodeattributes.Action:ResubmitXMLcomparerequestwithvaliddoc...