Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged mongodb
0
votes
1.5k
views
1
answer
mongodb - Getting "err" : "E11000 duplicate key error when inserting into mongo using the Java driver
Exception in thread "main" com.mongodb.MongoException$DuplicateKey: { "serverUsed" : "localhost/127.0.0.1: ... myIdMapCollection.insert(myObj); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.2k
views
1
answer
mongodb - Mongo find documents that do not contain a given value (using $not)
I have two items in MongoDB: {'title':'active item', 'tags':[ {'tag':'active'}, {'tag':'anothertag'} ... contain a given value in their tags? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.6k
views
1
answer
mongodb - Get first element in array and return using Aggregate?
How can I get and return the first element in an array using a Mongo aggregation? I tried using this code: ... need to return the first element. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.2k
views
1
answer
mongodb - Rails & Mongoid unique results
Consider the following example of mongo collection: {"_id" : ObjectId("4f304818884672067f000001"), "hash" : {" ... 'hash.call_id')) Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.6k
views
1
answer
mongodb - Mongoose (node.js module) causes high CPU usage
I'm using nodetime to analyze the high CPU usage of my node.js app. Over 30% of the CPU usage is coming from ... lots of CPU in the process). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.9k
views
1
answer
mongodb - Export one object with mongoexport, how to specify _id?
I'm trying to export just one object with mongoexport, filtering by its ID. I tried: mongoexport -d " ... work in the mongoexport query. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.2k
views
1
answer
mongodb - how to execute mongo admin command from java
I want to execute soem admin command with parameters from java. The commands are: { enablesharding : "test" } { ... key:"number":1} }") See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.8k
views
1
answer
mongodb - Mongo aggregation Match multiple values
I have following documents { name: 'John', Address :'street 1 ' }, { name: 'Jane', Address :'street ... possible to get document like this way? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.3k
views
1
answer
mongodb - Aggregate $lookup does not return elements original array order
The query returns the order in which elements are placed in their collection, ignoring the order of the initial ... the original arrays order? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.5k
views
1
answer
mongodb - Mongo query using mongoid in rails app causing cursor timeout error
I have a mongo query in my rails app that is timing out because the collection is huge. FbCheckin.where ... cursor timing out beforehand? Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.6k
views
1
answer
mongodb - Mongoose unique index on subdocument
Let's say I have a simple schema: var testSchema = new mongoose.Schema({ map: { type: [ mongoose. ... Why can I push conflicting subdocuments? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.4k
views
1
answer
mongodb - Embedded document without Array?
I understand how to embed documents in Mongoose, and they seem fairly straightforward if storing as arrays, for which ... need or want an array. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.9k
views
1
answer
mongodb - MongoParseError: options useCreateIndex, useFindAndModify are not supported
I tried to run it and it said an error like the title. and this is my code: const URI = process.env ... =true&w=majority how to fix it? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
2.0k
views
1
answer
mongodb - Mongoose findOneAndUpdate Upsert _id null?
I'd like to have a single method that either creates or updates a document for a policy. Searching and trying ... null when its not an update? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.5k
views
1
answer
mongodb - How to use $elemMatch on aggregate's projection?
This is my object: { "_id" : ObjectId("53fdcb6796cb9b9aa86f05b9"), "list" : [ "a", "b" ], "complist" ... there a better way to accomplish this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.2k
views
1
answer
mongodb - How to use spring data mongo @CompoundIndex with sub collections?
Assume that I have such entities like the following: @Document(collection = "doc_a") public class A { @Field("id") ... id'}") Thanks in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.1k
views
1
answer
mongodb - How to use spring data mongo @CompoundIndex with sub collections?
Assume that I have such entities like the following: @Document(collection = "doc_a") public class A { @Field("id") ... id'}") Thanks in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.2k
views
1
answer
mongodb - How to use spring data mongo @CompoundIndex with sub collections?
Assume that I have such entities like the following: @Document(collection = "doc_a") public class A { @Field("id") ... id'}") Thanks in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.6k
views
1
answer
mongodb - Difference between decorating a property in C# with BsonRepresentation(BsonType.ObjectId) vs BsonId vs ObjectId
Am new to mongodb and am liking how easy it is not to worry about schema stuff, I have a question ... how the flexibility helps. Thanks? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.4k
views
1
answer
mongodb text search with multiple fields
I'm trying to get mongodb fulltext search with multiple fields working. I've set the index on 3 fields-name, ... but I couldn't find anything. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.5k
views
1
answer
mongodb - pymongo auth failed in python script
I have installed mongodb and enabled auth. and its working find. I can connect it from remote notebook using ... in result: print document See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.1k
views
1
answer
mongodb - WiredTiger and in-place updates
I have a collection of users. Each user has a field "geoposition" that is updated quite often (every time the user ... MMAP). What did I miss? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.6k
views
1
answer
mongodb - Set Mongo Timeout in Spring Boot
I am using spring boot web application which connects to mongo db which is working out of the box. I just ... doing it by declaring the Bean. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.6k
views
1
answer
mongodb - mongod --bind_ip using docker-compose version 2
I'm trying to connect two mongodb containers running on docker using docker-compose. One container seed some data to ... ? What am I missing? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.3k
views
1
answer
mongodb - Case Insensitive search with $in
How to search a column in a collection in mongodb with $in which includes an array of elements for search and ... those elements in the column ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.3k
views
1
answer
mongodb - Mongorestore, from meteor production server to local
I've found plenty of good instructions on how to use mongodump and mongorestore, to back up my meteor production ... 'm supposed to be doing. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.3k
views
1
answer
mongodb - how to use mongoimport with my meteor application database?
I'm able to use mongoimport to import csv data into a non-meteor mongodb database, but I can't figure ... it with the mongoimport command. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
0
votes
1.3k
views
1
answer
mongodb - How to use GridFS to store images using Node.js and Mongoose
I am new to Node.js. Can anyone provide me an example of how to use GridFS for storing and retrieving ... I need to directly access GridFS? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
Page:
« prev
1
2
3
4
5
6
7
8
9
...
26
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] echarts 中如何设置雷达图某一项指标值越小越靠近满分?
[2] tightvnc mac和windows 如何共享剪贴板?
[3] 关于无限级分类的思考
[4] How can I complete this mmix code to calculate Factorial?
[5] 原生js封装函数,如何传入参数?
[6] mysql如何高效快速整合两个表的内容?
[7] Java抽象类中的泛型问题
[8] loops - Batch variables dont give promt to set
[9] logging - How to see the console log in PhpStorm when running Angular
[10] 关于【redis5设计与源码分析】第八章Stream的不解
2.1m
questions
2.1m
answers
60
comments
56.8k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...