node js learning curve

Front end, but want to learn a back end of the language, is originally want to learn node JS, after all, if the node as the backend language to my front-end of the JS familiarity is also helpful, but found that node learning

Simple implementation of node. js Image Upload and node. js Image Upload The examples in this article share the code for uploading node. js images for your reference. The details are as follows: 1.

, and the problems encountered are still on evernote. The difference between localhost and 127.0.0.1 has also occurred before. This week, I learned a function during js debugging, which allows js to dump an object like php. Now paste it below for sharing. Copy codeThe Code is as follows:Function dump (arr, level ){Var dumped_text = "";If (! Level) level = 0;// The padding given at the beginning of the line.

',closeByEscape: false}Build an example Let's take a look at my simple example. Use express generator to create a new application, or directly useGetting started with Node. js development-Keep logging on with cookies. .Add a self-written file The ngdialog.htmland servertpl.html files are stored in the public directory of the project, and ngdialog. js files are st

This article describes in detail the classification of node. js asynchronous programming and the problems existing in asynchronous programming, which are very detailed and meticulous. We recommend this article to our friends. Currently, a large number of asynchronous operations are required, and actual pages are more and more inclined to be single-page applications. Backbone, angular, knockout and other fra

Node. js uses cluster to implement multi-process, node. jscluster First, solemnly declare: NodeJS is a single thread! Asynchronous! Non-blocking language!NodeJS is a single thread! Asynchronous! Non-blocking language!NodeJS is a single thread! Asynchronous! Non-blocking language! The important thing is said three times. Because

Details about Node. js serialization Process Control and node. js serialization Serial task: the task that needs to be followed is called a serial task. You can use the callback method to execute several asynchronous tasks in sequence. However, if there are too many tasks, you must organize them. Otherwise, excessive c

Sample Code for renaming and moving node. js files, and node. js sample code An example of uploading files by node is as follows, DoUpload () {var formData = new FormData ($ ("# uploadForm") [0]); $. ajax ({url: 'http: // localhost: 3011/upload', type: 'post', data: formData

Create simple chat rooms for Node. js and simple chat rooms for node. js I read about TCP and wrote a NET-based chat room. Var net = require ('net'); var count = 0, users ={}; var server = net. createServer (function (conn) {console. log ('connection'); conn. write ("\ r \ n> welcome to

In-depth understanding of the node. js http module, and in-depth understanding of node. js The http module is mainly used to build an HTTP server and client. The HTTP module must be called to use the http server or client functions. Create a server Var http = require ("http"); var url = require ("url"); // create a ser

) {console. log (error);} else {console. log (result );} // Close the database link to db. close () ;}); // mongoose findvar criteria = {title: 'emtity _ demo_title '}; // query condition var fields = {title: 1, content: 1, time: 1}; // The Field var options ={}; mongooseModel. find (criteria, fields, options, function (error, result) {if (error) {console. log (error);} else {console. log (result);} // closes the database link to db. close () ;}); // Delete the record var conditions = {username:

Example of using Node. js to implement RESTful API, node. jsrestful Basic RESTful concepts REST (Representational State Transfer) describes an architecture-style network system that first appeared in Roy Fielding's doctoral thesis in 2000. In the REST service, application status and functions can be divided into various resources. Resources are made public to the

positive, she's on the cusp, partly because she's new and praise doesn't necessarily last. Currently, node. JS wins this round. Tenth round: Prospects It doesn't matter which server language you choose to use, even if she is no longer updated (Yay coldfusion! Despite the steady usage, many people still use PHP, and I'll be able to do it for 20 more years. node.

Log Server Based on Node. js and express, node. jsexpress First of all, the significance of this article is greater than the actual value. If I joined umeng directly in the game as I intended, the information would be more comprehensive and simple. However, there are always many people who use their outdated or wrong experiences to say how bad they are and how go