chatbot nodejs

thousands of concurrent connections, what can you actually build through Node? If you have a WEB application that needs to handle so many connections, it would be a "scary" thing! It's a question of "If you have this problem, then it's not a problem at all." Before answering the above questions, let's look at how Node works and how it's designed to work.Downloadhttps://nodejs.org/en/This is the website of node. js, we can download the direct access, I download is V4.4.3, if you like what versio

A static server instance implemented by Nodejs and a nodejs static instance Refer to the static server example at cnodejs.org and write the following nodejs static server example, which contains cache, compression, and the following code:Copy codeThe Code is as follows:/*** Static file server test example* User: xuwm* Date: 13-5-17* Time: AM* To change this templ

Nodejs prompts that 'xxx' is not an internal or external command solution. nodejs External commands Generally, this problem occurs because npm installation fails and the global Module Directory is not added to the system environment variable. Windows users check whether the npm directory is added to the system variable PATH. If the PATH does not exist, manually add the Directory and restart the CMD consol

Nodejs after installation, you can use IP plus port access, if you want to access the domain name, you can go through Apache or nginx, I use Apache1. Modify the httpd.conf fileServerName app.990996.cnServeralias app.990996.cnProxyrequests offOrder Deny,allowAllow from allProxypass http://127.0.0.1:8360/Proxypassreverse http://127.0.0.1:8360/2, restart the service canUse Apache to do Nodejs agent under Linux

There are two ways for Nodejs to upload images: nodejs Node: the first method for uploading images 1. first introduce the module "connect-multiparty ":"~ 1.2.5 ", Add "connect-multiparty" to package. json ":"~ 1.2.5 ", Switch to the project directory in the command, and run the npm command: npm installl; Basic configuration complete Index.html The red part of app. js is the uploaded Image Code. Var expr

NodeJs creates basic HTTP servers and nodejs creates servers.The content is simple, but the basics are written and shared with you. If you forget it, you can find it. Create a server with the following code: Var http = require ('http'); http. createServer (function (req, res) {res. writeHeader (200, {'content-type': 'text/html'}); res. write (' Enter http: // 127.0.01: 3000 to access The port is the

Nodejs-post formula details, nodejs-post details HTML page content The NODEJS formula is as follows: Var http = require ('http'); var querystring = require ('querystring'); var server = http. createServer (function (req, res) {// if your access address is this and the request type is post if (req. url = '/dopost' req. method. toLowerCase () = 'post') {var allDa

A Preliminary Study on nodeJS and nodejs I. Preface In the "explore nodeJS" article, we have a general understanding of node, and finally through an example, we learned how to quickly start a simple server. Today, I read this article again, and found that this article has a little more theoretical knowledge. It is suitable for beginners of node and has a fixed id

3 minutes to quickly build a nodejs local server to run the test html/js, nodejs local server All the front-end users know that it is quite troublesome to build an environment on their own computers for the company's projects. First of all: Generally, personal computers do not have good performance in the company's configuration, Second, setting up a company project involves many cache environments, re

Nodejs code scanning payment and nodejs paymentPreface This article mainly records the problems I encountered during the code scanning payment process and provides some reference for you. I hope it will help you.Development Environment Nodejs v8.1.0 Egg v1.1.0 Preparations Public Account-appid Merchant ID-mch_id Key value (a 32-bit password required by th

Easy creation of nodejs servers (2): Component Analysis of nodejs servers, Next to the previous section, let's analyze the Code: The http module that comes with the first line request (require) Node. js and assigns it to the http variable. Next, we will call the function createServer provided by the http module. This function will return an object, which has a method called listen. This method has a numeric

-debug.logBuild step ‘Execute shell‘ marked build as failureSSH: Current build result is [FAILURE], not going to run.Finished: FAILUREWhen you encounter this problem, you can try to install the CNPM command and Webpack:# npm install -g cnpm --registry=https://registry.npm.taobao.org# ln -s /app/service_tools/node-v9.3.0/bin/cnpm /usr/bin/cnpm# cnpm install webpack -gJenkins configuration:In System Management, Global Tool Configuration, set the installation method for

DescriptionUse the CentOS system for Nodejs installation, Nodejs version-v0.8.7.1, first download Nodejs:# wget http://nodejs.org/dist/v0.8.7/node-v0.8.7.tar.gz2, unzip the file# tar XVF node-v0.8.7.tar.gz3, go to unzip directory# CD node-v0.8.74, check the required configuration#./configureAn error message appears:Exception:call to ' (Echo | $ (Echo ${cxx_host:-

A long time ago, I wanted to make an online IDE, a nodejs of the previous period, made a simple versionLogin, registration, Code Editor (highlighting, auto-Lenovo), cloud compilation and other functions are now completed.Front end I mainly use bootstrap, CodemirrorThe back end is mainly NodejsCompiler is g++All stations are fully static, so requests are AJAX simulationsBelow is the source code of Server.jsOther can be coding to view the projectHttps:/

To learn a technology, we must first set up the development environment. It is easy to set up the nodejs development environment under Ubuntu, And it is OK to directly use apt-Get. Sudo apt-Get install nodejs If you do not like apt-get directly, you can download the source code package from the official website and compile and install it directly. First install some necessary Libraries Sudo apt-Get install

Nodejs implements batch download of sister-in-law drawings and nodejs sister-in-law drawings I heard that the recently downloaded girl figure is very popular? Nodejs (javascrpt) cannot lag behind ~ Although I have never written a decent Nodejs program, as a front-end student who has at least read the book,

Use nodejs to export an excel file. Use nodejs to export an excel file. This document describes how to export an excel file from nodejs. Share it with you for your reference. The details are as follows: Nodejs generates and downloads excel files for query data. The excel-export plug-in code is as follows: Excel. js cod

Use Nodejs to develop public account backend service instances and nodejs instances Abstract: The huge user base and strong user stickiness have attracted the attention of countless developers in the past two years. Nodejs, a development tool that has developed very fast in the past two years, is especially suitable for building mobile backend systems. This artic

2017 Golang, Python, PHP, C + +, C, Java, Nodejs performance comparisonI in Php/c++/go/py, whim, want to make a simple comparison of the recent mainstream programming language performance, as to how to compare, still have to use the Magic Fibonacci algorithm. It may be more common or fun. Okay, talk is cheap, show me your code! Turn on your Mac, open Clion and start coding!1. The first is go, because I personally recently used, feel very goodPackage M

Since it is my technical summary, that is, based on my skill level, write shallow everyone do not joke, if there is wrong place also look correct.This first article is about some of the programming details of Nodejs.1. Iterating through an array for (var i=0, l=arr.length; iOne of the benefits of writing this is to get the array object length one step at a time, and the longer the array length, the more significant the value.2. Judging the true and fa