heroku nodejs

Create https service in nodejs and create https in nodejsNodejs creates an https service by Wu xueyingServerr. js Var https = require ('https'); var fs = require ('fs'); var options = {key: fs. readFileSync ('. /keys/server. key '), cert: fs. readFileSync ('. /keys/server. crt '),}; https. createServer (options, function (req, res) {res. writehead( 200); res. end ("hello world! \ N ") ;}). listen (8000 ); Client. js Var https = require ('https'); v

NodeJs basic syntax and type, nodejs basic syntax Preface Today, I want to check the knowledge about Node types. I want to summarize it and see an article on Googol, but the original link is gone. I will pull this article out of the snapshot, if the original author has a problem, contact me! This article is the basis of some JS, and experts will skip it automatically! I have never written JavaScript before.

Nodejs terminal prints progress bar instance code and nodejs progress bar 1. Scenario Import When we batch process a large number of files (for example, upload/download, save, and compile), we often want to know how the current progress is or how many failed (successful) tasks are; when our code or program has been released, a proper (Terminal/command line) progress bar can accurately reflect the installati

NodeJS Study Notes: Connect middleware module (I), nodejs Study Notes I hope you can continue reading my articles in this series. This is also the greatest encouragement and support for me. Let's make common progress and help each other. Now, go to today's topic, What is "Connect" and how to understand middleware? Let's take a look at today's article with questions. How to Understand "Middleware "? In my u

Easy creation of nodejs server (9): non-blocking operations, nodejs Server We need to pass the response object (obtained from the server's callback function onRequest () to the request handler through the request route. Then, the handler can use the functions on the object to respond to the request. Modify server. js first: Copy codeThe Code is as follows:Var http = require ("http ");Var url = require ("url

Easy creation of nodejs server (10): Process uploaded images and nodejs upload images This section describes how to upload an image and display it in a browser. Here we will use the node-formidable module developed by Felix Geisend örfer. It abstracts the parsed file data. To install this external module, run the following command in cmd:Copy codeThe Code is as follows:Npm install formidableIf similar infor

Implement blocking instances in nodejs, while nodejs blocks instances. The inherent single-Thread Programming and asynchronous callback functions in node. js make us sometimes enjoy the worry. First, how can a single thread of node. js achieve high concurrency? This is not the focus of this article. To clarify, node. javascript single thread only means that the javascript engine is single-threaded. In any c

[' callback ' + ' (' + json.stringify (actionresult) + ') ': ActionResult; Res.send (Resultdata); Res.end ()} else {//process not response or Origin response.render or response.send. Process.nexttick ((_res:any) = {if (!_res.finished) {_res.end (); }, Res)}). catch (Processrequesterror = = {Next next (Processrequesterror); })} Through the concatenation of the Routehandler and RequestHandler two methods, we make a single call to our entire fragmented func

For example: Schools have students, teachers, and classes, each of which is a moduleCreate a school local file, new student.js teacher.js klass.js//Because class is a keywordThen implement the contents of each module:Student.jsfunction Add (student) { console.log (' Add student: ' + student)}//Mount Exports.add = addTeacher.jsfunction Add (Teacher) { console.log (' Add Teacher: ' + teacher)}//mount Exports.add = Add //MountKlass.jsStudent teacher require to Klassvar student = require ('./stud

correctly, so let's write a sample file to test it. Establish example.js in the C:\cygwin\ directory Inputvar http = require (' http '); Http.createserver (function (request, response) {Response.writehead ({' Content-type ': ' text/html '});Response.End (' }). Listen (8888); Console.log (' Server running at http://127.0.0.1:8888/'); Save (Note: Save as UTF-8 format, or you will report a syntax error). Run Cygwin, enter node/example.js carriage return in the command window Have you seen the ser

parameter to the Createserver, similar to the callback function. We pass a function to a method that calls this function for callback when there is a corresponding event, which we call an event-driven callback. Next we take a look at the main part of ONrequest (), when the callback is started and our onrequest () function is triggered, two parameters are passed in: request and response. Request: The requested information received; Response: The response that was made after the request was r

Set up the express ready to write the project, but found that any change JS to use NPM start restart to take effect, this is not good, search for the discovery has such a module supervisor. then install it.1. Install, this must be a global installation then let's start.Npm-g Install Supervisor2. Get to the project directory and execute it.Supervisor App.jsExecution, strange how can not start, checked the information found that the new version of the entry file is Bin/www, you can look at the Pac

completed the setup, but you don't know if it can run correctly, let's write an example file to test it. Create example. js in the C: \ cygwin \ directory InputVaR HTTP = require ('http '); HTTP. createserver (function (request, response ){Response. writehead (200, {'content-type': 'text/html '});Response. End ('}). Listen (8888 ); Console. Log ('server running at http: // 127.0.0.1: 8888 /'); Save (Note: Save As UTF-8 format, otherwise a syntax error will be reported ). Run cygwin and enter n

Nodejs minor problem: [1]express is not an internal or external command Browse:9424 | Updated: 2015-08-28 05:31 1 2 3 4 5 6 7 Step through ReadingOn the spur of the moment want to learn something, ready to deploy a node. js applet on Heroku. The company computer was not installed with node. js, so download the latest version of node. JS, When I in

How to delete Nodejs ExpressBest AnswerRising up want to learn something, ready to deploy a node. js applet on Heroku. The company's computer was not installed with node. js, so download the latest version of node. JS, When I installed express I found that it was not an internal or external command. Then after my tireless efforts, finally found clues, the following share to everyone (I am using the Windows

Ext.: http://blog.fens.me/nodejs-mysql-intro/ObjectiveMySQL is a popular open source database product and is often the first choice for a free database. Checking the NPM list and discovering that Nodejs has 13 libraries to access Mysql,felixge/node-mysql seems to be the most watched item and I decided to try it out.Pay attention to the name, "Felixge/node-mysql" is not "Node-mysql", the installation section

Next, let's see if forever can achieve the goal.First, Forever Introduction Forever is a simple command-nodejs daemon that can start, stop, and restart app apps. Forever is completely based on command line operation, under the Forever process, create node subprocess, monitor the operation of node subprocess through monitor, once the file is updated, or the process hangs, forever will automatically restart the node server to ensure the application is

On the spur of the moment want to learn something, ready to deploy a node. js applet on Heroku. The company computer was not installed with node. js, so download the latest version of node. JS, When I installed express I found that it was not an internal or external command. Then after my tireless efforts, finally found clues, the following share to everyone (I am using the Windows node. js).Tools/Materials node. JS installation Package

Express:? Web application Framework for? Node.js? Express is a concise, flexible node.js Web application Development framework that provides a wide range of features to help you create Web and mobile device applications. Directory This paper focuses on the development framework of express4.x (specifically 4.10.4), which also involves mongoose,ejs,bootstrap and other related content. Establish engineeringDirectory structureexpress4.x configuration fileEjs Template UseBootstrap interface FrameR

Directory Overview Nodejs Features Event polling About Async methods OverviewAbout Nodejs the introduction of online information is very much, recently because in the collation of some functional programming information, many times encountered Nodejs related content. So I'm going to write an article to summarize the knowledge of