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redis - 杰迪斯连接异常 : Unexpected end of stream error

我正在尝试执行rpush操作并遇到以下错误:redis.clients.jedis.exceptions.JedisConnectionException:Unexpectedendofstream.atredis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:199)~[jedis-2.9.0.jar:na]atredis.clients.util.RedisInputStream.readByte(RedisInputStream.java:40)~[jedis-2.9.0.jar:na]atredis

javascript - Array.push 不保留 node.js 中的数组值

我已经promise缓存数据并将Json值数组推送到新数组中的代码,但在链接之后,数组显示未定义。这是代码片段。'usestrict';constPromise=require('bluebird');let_connectResolve,_connectReject,onConnected=newPromise((resolve,reject)=>{_connectResolve=resolve;_connectReject=reject;}),redis=require("redis"),redisClient=redis.createClient({host:'localhost

array_merge():参数#1不是数组

需要您的帮助...在我的array_merge上遇到一个错误,这是我的代码://first$url1="https://www.zopim.com/api/v2/chats";$ch1=curl_init();curl_setopt($ch1,CURLOPT_URL,$url1);curl_setopt($ch1,CURLOPT_USERPWD,"$username:$password");curl_setopt($ch1,CURLOPT_HTTPAUTH,CURLAUTH_BASIC);curl_setopt($ch1,CURLOPT_SSL_VERIFYHOST,0);curl_setop

如何使用mysqli_fetch_array在使用准备和执行语句后访问结果?

此代码片段正在发出警告:mysqli_fetch_array()期望参数1为mysqli_result,boolean。$sql=$conn->prepare("SELECTpasswordFROMusersWHEREusername=?");$sql->bind_param("s",$pass);$result=$sql->execute();$row=mysqli_fetch_array($result);if(password_verify($pass,$row[0])&&mysqli_num_rows($result)==1){$_SESSION['username']=$user;$

C# MongoDB : Querying a $match on an array after an $unwind

我有一个要使用IAggregateFluent执行的聚合管道。这是与数据库的类映射publicclassCard{publicObjectIdId{get;set;}publicstringCardNumber{get;set;}publicstringCustomerId{get;set;}publicdecimalBalanceAmount{get;set;}publicstringCurrency{get;set;}publicListTransactions{get;set;}}和CardTransaction一样publicclassCardTransaction{//pub

mongodb - 存储库查询 :searching inside an array

我有一个MongoDb文档,测验.../***@MongoDB\Document(*collection="Quizzes",*repositoryClass="Company\MyBundle\Repository\QuizRepository",*slaveOkay=true*)*/classQuizextendsQuizEntity测验包含很多问题/***@MongoDB\EmbedMany(targetDocument="QuizQuestion",name="questions")*/protected$questions=array();如果我有问题的主要ID,我如何查询测

node.js - 蒙哥错误: $all requires array

我正在使用sailsjsmongodb和node.js我在mongodb查询错误后收到错误请帮忙!我想获得与$all:[senderID,sendToID]完全匹配的那些消息的结果这是我在mongodb中的文档“消息”。{"users":["52ed09e1d015533c124015d5","52ed4bc75ece1fb013fed7f5"],"user_msgs":[],"createdAt":ISODate("2014-02-04T11:59:53.220Z"),"updatedAt":ISODate("2014-02-04T11:59:53.220Z"),"_id":Obje

performance - MongoDB 索引 : object keys vs array of strings

我是MongoDB的新手,一直在研究模式设计和索引。我知道您可以索引一个属性,而不管它的值(ID、数组、子文档等),但我不知道索引字符串数组或嵌套对象的键是否有性能优势。这是我正在考虑的两种情况的示例(在Mongoose中)://schemamongoose.Schema({visibility:{usa:Boolean,europe:Boolean,other:Boolean}});//queryModel.find({"visibility.usa":true});或//schemamongoose.Schema({visibility:[String]//stringscould

node.js - 将文件流式传输到客户端后,永远不会发送 res.end()

我基本上是在尝试将文件从MongoDb流式传输到客户端。文件接收没有问题,但是当流结束并且我尝试发送request.end()客户端永远不会收到它。app.post('/upload',function(req,res){vardb=newmongo.Db('prueba',newmongo.Server("127.0.0.1",27017));db.open(function(err){if(err)returnhandleError(err);vargfs=Grid(db,mongo);console.log(req.filename);varuploadedSize=0,uplo

javascript - Mongoose : update nested document array

我的收藏如下:"_id":ObjectId("5751f7892ae95d601f40411d"),"doc":[{"org":ObjectId("5751f7892ae95d601f40411c"),"action":0,"_id":ObjectId("5751f7892ae95d601f40411e")},{"org":ObjectId("5751952cace204c507fad255"),"action":1,"_id":ObjectId("575217ce341cf6512b8dff39")}]我想用org:5751952cace204c507fad255更新文档中的操作字段