user.save() error after lodash processes mongodb data

After lodash processes mongodb data, user.save() error, save is not a function

From [MongoDBdiscussion group] 2017-05-02 09:23:02 0  0  642

mongodb - How to query the maximum value of updateAt in each userId

{Code...} I am a newbie, please give me some advice.

From [MongoDBdiscussion group] 2017-05-02 09:23:01 0  1  594

Database - How to set username and password for mongodb remote connection?

Please enter the code. I set it up according to this tutorial: http://www.111cn.net/database... In fact, I jus...

From [MongoDBdiscussion group] 2017-05-02 09:22:59 0  2  712

express - MongoDB, how to verify whether a value already exists when updating a record

Scenario description: When a record needs to be updated, first query whether the name of this record already e...

From [MongoDBdiscussion group] 2017-05-02 09:22:58 0  3  709

mongodb - mongo authentication failed

2016-11-09T21:44:08.312+0800 I ACCESS [conn2] SCRAM-SHA-1 authentication failed for on mytestdatabase from cli...

From [MongoDBdiscussion group] 2017-05-02 09:22:54 0  0  662

The mongodb service has been started, but Connection.DEFAULT_PORT cannot be read

The mongodb service has been started, and the browser can access localhost:27017, but the console still report...

From [MongoDBdiscussion group] 2017-05-02 09:22:53 0  1  711

How to defragment the mongodb database without downtime?

After I deleted a large amount of redundant data in mongo, I found that the memory and files did not shrink. T...

From [MongoDBdiscussion group] 2017-05-02 09:22:51 0  1  759

mongodb - tokumx database recovery failure problem

Sorry, although I know this is the mongodb section and I use tokumx, I checked online that tokumx and mongodb ...

From [MongoDBdiscussion group] 2017-05-02 09:22:50 0  1  850

mongodb - mongoose database connection problem

Database connection (temporarily written in app.js) {code...} Problems: 1. Inserting data in batches will appe...

From [MongoDBdiscussion group] 2017-05-02 09:22:49 0  1  614

vue.js - Vue gets the data in mongodb and it appears undefined at first, but it can still be rendered.

{Code...} This is the error message, below is my code part. {Code...} This is a component topic that is obtain...

From [MongoDBdiscussion group] 2017-05-02 09:22:47 0  2  750

mongodb - Spring Data Mongo how to get fields on demand

Entity class A references entity class B and uses DBRef. Now I want to query some fields of A and some fields ...

From [MongoDBdiscussion group] 2017-05-02 09:22:46 0  0  537

c# - How does the Find() method in MongoDB.NET return the value of the specified field?

Using ASP.NET MVC5, I want to filter and read specified data from mongoDB based on conditions, similar to sele...

From [MongoDBdiscussion group] 2017-05-02 09:22:44 0  1  849

mongodb - mongo删除文档导致索引变大

我们使用的是副本mongo,有一个collection中大概有1.5亿条记录,[size=10GB,Storage Size=3.4GB,Total Index Size:6GB]因为是保存的历史记录,我们使用remov...

From [MongoDBdiscussion group] 2017-05-02 09:22:42 0  2  738

mongodb查询语句怎么合并查询结果？

想用一条语句查询三条记录，包括当前记录、上一条、下一条，怎么实现？只知道当前记录的_id，需要按另外一个时间字段排序取相临的记录。

From [MongoDBdiscussion group] 2017-05-02 09:22:41 0  1  619

mongodb - mongo假设一个集合里有 10 个文档，多个 update 操作能不能 并发在这个集合上，比如操作不同的文档？

最新的mongo3.2支持行级锁吗？如果支持，是什么样的呢？200多万数据一个集合，并发性能怎么样？

From [MongoDBdiscussion group] 2017-05-02 09:22:39 0  2  840