Tags: Code core demo Script R.js UI IV str UseDocker Nodejs MongoDBNodejs Application Simple Access MongoDB deployment to DockerThe original address https://www.cnblogs.com/zhangyanbo/p/5851644.html (I encountered the operation of the situation can not continue, so slightly modified to improve)Directory structure.├── app.js├── controller├── Dockerfile├── model├── node_modules├── package.json├── router└──
Tags: style blog http io ar color OS using SPJust understand Nodejs, found that Nodejs configuration is not complex, but there are a lot of places to pay attention to, today on record, later can also take out to see.To complete this simple example, start from scratch and walk three steps.I. Building a development environmentTwo. Create a project (Express)Three. EncodingI belong to the technical class, no mo
Label:is a simple gadget, but there is a big thing, is NoSQL mongodb (file size:130M), you want to download a mongdodb, go to the official website to download After installation, execute in mongodb command line directoryMongod--dbpath=c:\mongodbinfo\--port 27017This command will create a new directory called Mongodinfo in the C drive to store the MONGODB data;
First of all to ensure that the correct installation of mongodb, Installation Reference: http://docs.mongodb.org/manual/tutorial/install-mongodb-on-debian-or-ubuntu-linux
Then download the mongodb driver of nodejs
Npm install mongodb
Compile a test program:1 var
follows:
Var mongodb = require ("mongodb ");Var server = new mongodb. Server ("localhost", 27017 ,{Auto_reconnect: true});Var conn = new mongodb. Db ("bb", server ,{Safe: true});Conn. open (function (error, db ){If (error) throw error;Db. collection ("users ",{Safe: true}, Function (err, collection ){If (err) throw er
following example:/etc/MongoDB. CNF
# Configuration options for MongoDB
#
# For more information, consider:
#-Configuration parameters: http://www.mongodb.org/display/DOCS/Command+Line+Parameters
#-File Based Configuration: http://www.mongodb.org/display/DOCS/File+Based+Configuration
Dbpath =/data/DB
Label:First build back-end servers through Nodejs and MongoDB First, start the MongoDB server under the Windows platform 1. Enter the installation directory of MongoDB and go to the bin directory to start Mongod 2. Set up Mongodb\data folder as data storage directory in D di
A Nodejs community developed with Nodejs, nodeclub Open source, hence downloaded a good study, Github homepage: https://github.com/muyuan/nodeclub Effect Chart: first under the Mac:Install MongoDBHttp://www.mongodb.org/downloadsRun the mongod underneath the binPs:mongodb will default to the data file in/data/db, you need to build a directory, and the right to the current user GUI Tools for installing Mon
Use nodejs mongodb to connect to mongodb's shard distribution service, nodejsmongodb
1. For more information about connecting to a single mongodb instance, see the node mongodb documentation.
Https://github.com/mongodb/node-mongodb
follows:
Var mongodb = require ("mongodb ");Var server = new mongodb. Server ("localhost", 27017 ,{Auto_reconnect: true});Var conn = new mongodb. Db ("bb", server ,{Safe: true});Conn. open (function (error, db ){If (error) throw error;Db. collection ("users ",{Safe: true}, Function (err, collection ){If (err) throw er
},function (err,collection) {8 Collection.update ({title: ' Hello '},{$set: {number:3}},{safe:true},function (Err,result) {9 Console.log (Result);10});11}else{Console.log (ERR);14}1516});17Results:Delete the data by using the Remove functionExample:1 var MongoDB = require (' MongoDB ');2 var server = new MongoDB. Server (' localhost ', 27017,{auto_reconnect:true}
Use monk in nodejs to access mongodb and nodejsmongodb
Install mongodb
I think mannual install is a little more reliable: http://docs.mongodb.org/manual/tutorial/install-mongodb-on-os-x/
Start mongodb
$ mongod
Connect to mogodb
$ mongomongo> use monk-appmongo> db.products.in
Label:First of all, of course, both Nodejs and MongoDB have been installed. This must be a precondition. Now we're going to use Nodejs to connect to the MongoDB database. I'm just a very, very simple practice, beginner. After more in-depth study, I will carefully write the notes recorded. The detours that you have trav
Tags: devops inux html ora class tor BSP Select ManFirst, MongoDB 1. Installation Because the download installation with Yum source always times out, the Tarball mode installation is selected. Official installation Method Link, https://docs.mongodb.com/manual/tutorial/install-mongodb-on-linux/ 2. Use Books, you can refer to the "Mongodb_the_definitive_guide", mainly on the use of MONGO shell tool additions
Learning to write MongoDB, using the Nodejs. Here I put the hole first record, later can slowly find. This article is also slowly, for the sake of brevity, all omit the handling of errors.Basic operations:1. Increase1 varMONGO = require (' MongoDB '). Mongoclient2 varName = {3City: ' Wuhan ',4Country: ' China '5 }6Mongo.connect ('
Server");
Db.createcollection ("mycollection", {"capped": true, "size": 100000, "Max": 5000}, Function (err, results) {
Console.log ("Collection Creation succeeded")})
;
(3) Inserting a document into the collection Collection.insertmany ()
var collection = Db.collection ("mycollection"); Select a collection
collection.insertmany ([{a:1},{b:2},{c:3}],function (err, result) {//Insert data, where three data is inserted
Console.log ( "Insert succeeded");
}
In this case, ever
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