chatbot nodejs

The Nodejs is suitable for scenarios where high concurrency, I/o intensive, and a small amount of business logic are used.node. js is asynchronous, no doubt, but in CPU and memory, it lags far behind C + + and Java. Especially for scenes with massive requests, high CPU, slow memory GC----Source: https://www.zhihu.com/question/37619635Overview: Nodejs claimed that the goal was "to provide a simple way to bui

First, equipmentMy personal PC environment is UBUNTU14+JDK7, so the following steps and problems are based on this and generated.Ii. installation of Nodejs and NPMThis installation process has many tutorials on the web, which is not detailed here.$ sudo apt-get install python $ sudo apt-get install build-essential $ sudo apt-get install gcc $ sudo apt-get install g++ $ sudo apt-get install nodejs$ sudo apt-

What is NodeJsFirst you need to understand that Nodejs is not a JS application, but a JS running platform. It is written by C + +. But Nodejs is a back-end operating environment. So you can write system-level or server-side JS let Nodejs help you execute. Nodejs Disadvantages (according to what others say)1, unified la

1, Windows Nodejs installation is more convenient (after v0.6.0 version, support Windows native), only need to login official website (http://nodejs.org/), you can see the homepage of the "Install" button , the direct click will automatically download the installation.2, the installation process is basically directly "NEXT" can be.(The installation MSI file for Windows adds the system variable for path directly in the process, and the variable value i

recently the company to start a mobile project, in the back-end system selection, there are PHP, Java, NodeJS, technically speaking, Java is more mature, but the development speed is slow, performance is stable; PHP developed rapidly, but the stability is not high, performance is general, development efficiency is high The Nodejs has high performance and can handle more connection and IO problems, so the

Node overview To NodeJS early have heard, but has been slow to do it, ha haha, today we will come to explore it.Nodejs, what's the big stuff?NodeJS, my understanding is that JavaScript can run on the backend.Why is it able to run on the back end?This is thanks to the V8 engine (V8, the JavaScript engine for Google Chrome), through the encapsulation of the high-performance V8 engine, and through a

I. Introduction to General Deployment of nodejs applications Finally, we need to deploy the nodejs application online and copy the source code to the directory through git.Copy codeThe Code is as follows:/root/deploy/movieRun the following command:Copy codeThe Code is as follows:~ Cd/root/deploy/movieNode./app. jsIn the preceding method, the nodejs program runs o

Reprint Address Http://www.jb51.net/article/33086.htmI believe that for many students concerned about the development of JavaScript, Nodejs is not a strange word eye. The relevant information about Nodejs online has been overwhelming. Because of its high concurrency characteristics, it has created its special application status.At present the highest concern in China, the best maintenance of a website about

Thanks to the great God, this content is copied from: http://xiaoyaojones.blog.163.com/blog/static/28370125201351501113581/1, Windows Nodejs installation is more convenient (after v0.6.0 version, support Windows native), only need to login official website (http://nodejs.org/), you can see the homepage of the "Install" button , the direct click will automatically download the installation.2, the installation process is basically directly "NEXT" can be

"Front-end mystery Veil"For backend development, the front end is mysterious,Dazzling technology, a multitude of frames,If you still stay on the front end equals just use jquery for development, then you're out,This article from the Java perspective of the current front-end popular some of the framework.The level is limited, please correct me."Nodejs" official website:https://nodejs.org/Brief introduction:A "framework" that is extremely important to t

This chapter focuses on some Nodejs basics:1. What is the console in Nodejs, how to output the standard output stream to the console and the standard error output stream;2. What are the global scopes in Nodejs, and what global functions and global variables are provided beforehand in the Nodejs;3. What is the event han

Example of implementing the sleep function in nodejs This article describes how to implement the sleep function in nodejs. This article describes the development process and performance testing of the sleep function. For more information, see Nodejs is most uncomfortable with its single-threaded features, which cannot be implemented in many cases. For CPU-inten

Statement: This article is not an article about nodejs and Ruby on Rails. It only describes the reasons behind the thinking and decision-making in our decision-making process. The two frameworks are both excellent and both of them are well designed. This is why some of our modules are still running on nodejs. I am a big fan of nodejs. I think this is a very excit

Linux installation Nodejs First, IntroductionEnglish website: https://nodejs.org/en/download/English Address: http://nodejs.cn/download/uname -aSee my Linux system by command the number of bits is 64 bits (note: x86_64 represents 64-bit system, i686 i386 represents 32-bit system),$ uname-alinux jchl-test-04 3.10. 0-514.6. 2.el7. X86_64 #1 SMP Thu Feb 23 03:04:39 UTC 2017 x86_64 Span class= "Hljs-keyword" >x86_64 X86_64 gnu/linux Second, throu

NodeJs backdoor program 0x00 Preface Start with the language to write a program that does not exist in the market.0x01 why NodeJs? I personally love the JavaScript language, and what we are talking about today is NodeJS, a branch of the JavaScript language. NodeJS itself is a Web server and also a back-end language. T

1, Windows Nodejs installation is more convenient (after v0.6.0 version, support Windows native), only need to login official website (http://nodejs.org/), you can see the homepage of the "Install" button, A direct click will automatically download the installation.2, the installation process is basically directly "NEXT" can be. (The installation MSI file for Windows adds the system variable for path directly in the process, and the variable value is

NodeJS, NPM installation configuration steps (Windows version) 1, Nodejs installation under Windows is more convenient ( after the v0.6.0 version, support Windows native ), only need to login official website (http://nodejs.org/), you can see the homepage of the "install" button, the direct click will automatically download the installation. 2, the installation process is basically directly "NEXT" can be.

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

This article is not an article about NodeJS and Ruby on Rails. It only describes the reasons behind the thinking and decision-making in our decision-making process. The two frameworks are both excellent and both of them are well designed. This is why some of our modules are still running on NodeJS. I am a big fan of NodeJs. I think this is a very exciting technol

is naturally preferred, second, the node. js event-driven method is very good at maintaining highly concurrent connections with a large number of clients. So we chose NodeJs. The implementation of the server is very simple. First install a nodeJs module named nodejs-websocket, and directly input: npm install nodeJs-we