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Previous remarks Mongoose is an object model tool that can operate mongodb conveniently under node.js asynchronous environment. This article describes in detail how to use Mongoose to operate MongoDB   NodeJS Driver Before introducing Mongoose, I first introduce how to operate MongoDB using NodeJS If you use a program to operate a database ...

There is nothing more necessary than to go through the official documents before we begin: http://mongoosejs.com/ What is mongoose? What's the use?mongoose is an object model library for manipulating MongoDB; it encapsulates the common methods of document manipulation (add, delete and check) in MongoDB, which makes NodeJS operate Mongodb databa ...

MongoDB database 1.1 Introduction to NoSQL With the rise of Internet web2.0 website, traditional SQL database (relational database) has been unable to cope with web2.0 website, especially the super-large-scale and highly concurrent SNS (social network system, Renren) type web2.0 pure dynamic website, which has exposed many problems that are dif ...

1. Target of this crawl To crawl data from websites and analyze and organize it, my goal is to completely recreate a webapp site for practice, so I'll think about how inputs are stored in MongoDB.The crawled data is temporarily stored in the json file first; of course, it can be stored directly in your own MonoDB, so the duplicated website is ...

Previously, we have simply deployed the web application under development on Heroku. Now our application will use the MongoDB database. How can we deploy a MongoDB connection in the cloud? Further, our ultimate goal is to connect different databases in production and development environments. This article will describe the whole process. R ...

Promise is mainly used to solve the problem of asynchronous callback. There are several better solutions than promise. In this section, let's use promise to transform it. I wrote an article before. javascript Tencent Interview Question Learning Encapsulates a Simple Asynchronous Queue An interview question (there is a button on the page, a ul, ...

Noejs express start error: Error: Cannot find module'xxx', which is due to the lack of module references. For example, I used'express-session'in my code, but did not add a'express-session' dependency to the dependencies item in the package.json file. D:\nodejs\myapp>set DEBUG=myapp & npm start      > myapp@0.0.0 start D:\n ...

Express+mongodb Develops web Background Interface Non-relational database mongodb (similar to mySql, which stores json data) Using the mongoose module of nodeJS to connect mongodb to operate mongodb data Express Rapid, open and minimal web development framework based on nodejs Express is a framework for node to develop web ...

Preface After the last article Construction of Economic Foundation Complete, then start coding now! Project framework Start HTTP Services Firstly, the / server/app.js file is established. First, the module needed for service is introduced. The following two methods are introduced to start HTTP service. Using Node.js intrinsic module http var ...

Think of a way to use proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy proxy Pro Implementation steps 1. Implementing Agent by Modifying and Modifying Configuration in learn Project Open index.js under config Add the following code to proxyTable '/learn': { t ...