node js landing page

close the socket pool: // Disable socket pooling var http = require('http');var options = {.....};options.agent = false;var req = http.request(options) 3. Do not use Node. js for static Resources For static resources such as css and images, use standard WebServer instead of Node. js. For example, LinkedIn mobile use

follows: D: \ blog> node appExpress server listening on port 3000 When the browser is opened, the following response is returned: Here we use express (a popular nodeJSweb development framework) and the ejs template engine. File structure The directory structure of the initialization file is as follows: App. js is the entry file Package. json is a module dependent file. When we use npm install, it downlo

the previously requested cookie in the form of SessionID}}, Functio N (Err, res, body) { //Get response can be if (err) {callback (' Server Error '); } });In the above code, the most critical is the 6~8 line, the request header settings, but also the setting of the cookie, which must be set to pass username and password to return after landing the content of the SessionID of the cookie, no matter what the site, Simply by using the session for au

First, block module multiplexingDefine blocks that need to be reused with blockBlock followed by the name of the module, referenced once the block content will be reused oncePost-compilation results:II, inheritance template (extends)In the actual development, the site's head, the tail is generally common, we can through the Jade template inheritance (extends) function, the public part of the abstraction, and then let the different pages inherit these public parts, and inherited it can also be re

LoopBack is an open source node. JS framework based on Express, optimized for mobile,web and other devices. LoopBack can connect to multiple data sources, write business logic using node. js, and integrate existing services and data.Related articles that may be of interest to you It's great! Ultra-Bright

these shell technologies are different, and the specific differences can be read in these documents:Atom-shell/atom-shell-vs-node-webkit.md at Master Atom/atom-shell GitHubhttps://speakerdeck.com/zcbenz/practice-on-embedding-node-dot-js-into-atom-editor https://speakerdeck.com/zcbenz/node-webkit-app-runtime-based-on-

create a new app, or get started with node. JS Development-Using cookies to keep The Logindemo example in login. are.Add a file you write yourselfThere are three self-written files, ngdialog.html and servertpl.html files placed under the public directory of the project, Ngdialog.js under Public/javascripts. Ngdialog.html content: Ngdialog.js content: Angular.module (' myApp ', [' Ngdialog ']). Controlle

With a few days of node. js feel very novel, but debugging problem is really worry people, the beginning of lazy learning debugging method, look at the abnormal content can be, but with the code complexity of the rise, not all errors are grammatical errors, do not debug, have to search information, learn how to debug.No supervisor to restart the service every timeThe students who have used PHP must be aware

need to go to API provider, create app information for app, request permission, take Google as an example: Create a project in Google developers Console In APIs Auth-in APIs, choose to open the API that needs to be called In APIs Auth-Credentials, fill in the Redirect URIS (the address of the OAuth 2 callback) to create the client ID. After success, you will get the required client ID and client SECRET, keep it to yourself. In APIs Auth-Consent screen, fill in the app me

Examples of JavaScript, jQuery, HTML5, and Node. js-Reading Notes 4, jquerynode. js5.2.2 let the waterfall Flow After completing the infrastructure, you need to write JavaScript code. First, if the data is insufficient to display a screen, use the new data to supplement it. During the supplement, the data is preferentially supplemented Based on the smallest of the four columns, because the height and height

-end, will naturally be hit stick. node. JS meets the needs of JavaScript for full stack development. By asynchronously reconciling the events, so that the current process is focused on the calculation, the time-consuming operations such as IO are processed by other threads and then back to the current thread, each page has a reasonable response times compare

, scalable, suitable for real-time data interactive application6, single process, single threadWhat can node. js do?1. Web sites with complex logic2. Large-scale WEB applications based on social networks;3. Web Socket Server (page tour, Web IM);4, TCP/UDP socket application;5, command line tools;6, interactive terminal program;7. Local application with graphical

, scalable, suitable for real-time data interactive application6, single process, single threadWhat can node. js do?1. Web sites with complex logic2. Large-scale WEB applications based on social networks;3. Web Socket Server (page tour, Web IM);4, TCP/UDP socket application;5, command line tools;6, interactive terminal program;7. Local application with graphical

(' request ', function(req,Res{ Res.Writehead( $, {' Content-type ':' Text/plain '}); varData= FS.Readfilesync("E:/input.txt"); Res.Write(' Read data from the local file system:\ n'); Res.Write(Data.toString()); Res.End();});varPort= 8080;Server.Listen(port);Server.once(' listening ', function(){ Console.Log(' Reading file E:/input.txt ');});The contents of Input.txt in e-disk are as follows: Enter node Readfile.j

of the WebSocket protocol, he has almost the same as the client browser WebSocket API events, only to connect, disconnect, message, Errors and other events, so that the application development is very flexible. Example: Building a real-time monitoring system with websocket and node. jsAfter websocket through the browser and the server, we can try to build a real-world application, the real-time monitoring system for example.The combination of direct

, loggly, or similar services:function logerrors (Err, req, res, next) { console.error (err.stack); Next (err);}clientErrorHandlerAs defined below, note that the error is passed backwards very clearly.function Clienterrorhandler (Err, req, res, next) { if (req.xhr) { res.send ($, {error: ') Something blew up! ' }); Else { Next (err);} }The following errorHandler "Catch all" exception is defined as:function ErrorHandler (Err, req, res, next) { res.status (+); Res.render (' error '

dependencies, I am still a relatively new osx, and there is no way to directly install scrapy pip In addition, if xpath is introduced to spider and then the xpath plug-in is installed on chrome, the parsing path is clear and the development efficiency is extremely high. PHP and js do not do this by nature; python has a relatively well-developed framework, but I have never used it very clearly; but nodejs can be used to talk about it, because I know

1. For node. JS installation Here is not too much to introduce, after the successful installation, you can use the CMD input node-v to view the version number of node,2. Start our Hello world, enter the owning folder via CMD, input node 01.

, and image folders are in the same directory as the HTML folder where the page resides.I believe that through this example, we have been able to simply let a static website on our server support up. The next time we will simply deploy a file system, I hope you can continue to pay attention to. Novice on the road, the article code written are relatively rough, I hope you correct. ByeTags: node.

-| |----Error.ejs -| -|----app.jsOf course, express also needs to carry on the NPM install download, although the page is not perfect but also has been perfect, The Ejs file of the page is also from the original Index.ejs to now have a simple login registration message, and so on, although the data is I write the fake data, but also I use the node.