deploy node js and mongodb

the test fs.readfile ('./test2.txt ', ' utf-8 ', function (err, data) { if (err) { throw err; } Console.log (data);}) ; 3. Create directory mkdir use Using the fs.mkdir(path,[mode],callback) Create directory, path is the directory that needs to be created, [mode] is the permission for the directory (default is 0777), and callback is the callback function. var fs = require (' FS '); Introduce FS module//Create newdir directory Fs.mkdir ('./newdir ', function (err) { if (err) {

Introduction:Node is a platform that allows JavaScript to run on the server side. It can makeJavaScript is out of the browser and runs in a normal server environmentnode. JS is a platform for the development of real-time web (real-time web) applications, which has been fully developed since its inceptionConsider the scalability of the architecture in real-time response and hyper-scale data requirements. This allows it to abandon the traditional platfo

that Console.log printing is an empty, not a [], read the English document understood wrong, "He first parameter would contain the Error object if an error occured, or null otherwise."I thought the return was wrong, and then I found." Length is actually returning a 0, pit!This.findonebyid = function (TableName, Wherejson, callback) { connection (function (mdbconn) { Mdbconn.collection (TableName, function (Err, collection) { if (err) { return;

The author, Jani Hartikainen, published a blog post comparing the two, listing the five reasons why PHP is better than Node. js. Let's take a look.1. Easy to host Most Web hosting server providers can host PHP, but for Node, you need to find a more professional hosting service provider. Usually, you need to configure applications through shell access, and most ho

PHP is a server-side scripting language mainly used for dynamic web page development. it is one of the most popular development languages. Node is a JavaScript toolkit for writing high-performance network servers NodeJS The author, Jani Hartikainen, published a blog post comparing the two, listing the five reasons why PHP is better than Node. js. Let's take a loo

PHP is a server-side scripting language mainly used for dynamic web page development. It is one of the most popular development languages. Node is a JavaScript toolkit used to write high-performance network servers. This article compares the two and lists the five reasons why PHP is better than Node. js. Let's take a look.1. Easy to host Most Web hosting server

1. Install node. js It is easier to deploy node. js on the Windows platform. From 0.6.1, node. js can be directly installed on the Windows platform through the. Mis file. Http://nod

This article records the use of node in personal projects. the js method and process for converting Excel to Json is very simple, practical, and detailed. Here we recommend it to anyone who needs it. I have been working on an online course selection system and have chosen node. js, which is popular nowadays. Today, I w

I've been doing nothing lately and studied node. JS Technology. Find out that node. JS is really powerful, and it works with Socket.io to implement the Web socket communication technology. So I decided to make a web version of the landlord to play a good game this websocket technology, hehe!!!To

The author, Jani Hartikainen, published a blog post comparing the two, listing the five reasons why PHP is better than Node. js. Let's take a look. 1. Easy to host Most Web hosting server providers can host PHP, but for Node, you need to find a more professional hosting service provider. Usually, you need to configure applications through shell access, and most

PHP is a server-side scripting language, mainly used for dynamic web development, is currently one of the most popular development languages. Node is a JavaScript toolkit for writing high-performance Web servers. This article compares the two, listing five reasons PHP is better than node. js. Look at it together.1. Easy to hostMost web hosting server providers ca

a record in the database, including the greeting, foo, and _ id fields; Express: I would like to describe the last engine Express in one sentence: Is a simple and flexible node. js Web application framework that provides a series of powerful features to help you create various Web applications. A wide range of HTTP tools and middleware from the Connect framework can be used as needed. Creating Strong and

As a good Restfull Api, it is not only about the semantics, readability, power, and orthogonal of service URLs, but also about http Status codes. A good Http Status Code gives users a good response, for example, 200 indicates normal success, 201 indicates successful creation, 409 conflict, and 404 resource does not exist. Therefore, we are working on a node-based architecture. node is found in

As a good Restfull Api, it is not only about the semantics, readability, power, and orthogonal of service URLs, but also about http Status codes. A good Http Status Code gives users a good response, for example, 200 indicates normal success, 201 indicates successful creation, 409 conflict, and 404 resource does not exist. Therefore, we are working on a node-based architecture. node is found in

Node. js blog instance (11) Article search function Now we will add the article search function for the blog, that is, fuzzy search for the article title based on the keyword, and the letters are case insensitive.First, modify header. ejs and add a line of code before it: Add a style row in style.css: .search{border:0;width:6em;text-align:center;font-size:1em;margin:0.5em 0;}Open post.

, such as:git clone git[@github](/user/github).com:leizongmin/node-uc-server.git ~/myappThe app uses pm2 tools to manage processes on the server side, so you'll need to install the tool on the server first:npm install pm2 -gOnce you have completed the above preparations, we can deploy implement the automatic Update code by script: Commit local modifications to a remote git repository Log in to

Node. js development entry-Use Dialog Box ngDialog Websites often encounter pop-up dialog box to get user input or pop-up dialog box to let users confirm an operation and so on. There is an extension module based on AngularJS that can help us perform this kind of thing elegantly:NgDialog. NgDialogA sample webpage is provided on github to demonstrate its usage. Here, readme on the github homepage of ngDialog

development, the number of concurrent requirements, We are stepping up the micro-service of Java-based microservices framework, the third is the web business system, which provides a stateless business API interface for the front-end, is a typical request/response way, at the same time, this is our current micro-service practice most scenarios.With the rapid development of business, the company's web-related business system development needs continue to increase, these systems are related to us

development, the number of concurrent requirements, We are stepping up the micro-service of Java-based microservices framework, the third is the web business system, which provides a stateless business API interface for the front-end, is a typical request/response way, at the same time, this is our current micro-service practice most scenarios.With the rapid development of business, the company's web-related business system development needs continue to increase, these systems are related to us

MongoDBmongod —config /usr/local/etc/mongod.confNodeJS using UUIDUUID, you must first install the module node-uuid for NodeJS:npminstalluuidThen generate the UUID and use it when you insert:varuuid=require(‘node-uuid‘);Connect to MongoDBVarmongodb=require (' MongoDB '); Varmongodbserver=newmongodb. Server (' localhost ', 27017,{auto_reconnect:true,poolsize:10});