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There are global scopes and function scopes in JS, and their scopes in Nodejs are divided into global scope and module scope. JS Scope: We used to learn JS when our global object is window, such as: Vara = 10; Console.log (WINDOW.A); The global variable we define defaults to adding a property

Recently has been engaged in Docker under the Jenkins+nodejs, in the last few days finally put some difficult problems to solve. I guess a lot of friends want to Docker under Jenkins+nodejs dockerfile file, I searched the Docker hub, Do not know is jenkins+nodejs with less or how, very few people share Jenkins+nodejs d

About NPM: NPM is a NODEJS package management and Distribution tool. It makes it easier for JavaScript developers to share code and common code snippets, and it's convenient and easy to manage your shared code through NPM. A Nodejs installation and NPM management Installation Go to nodejs official website, download installation package to install directly. Al

based on Websocet simple chat room (Nodejs + node-websocket-server)3 People collection This article, collection of this article published 24 days ago, there have been 135Times read a total 2A comment 3People to collect this article Recently in the study of HTML5 related things, see WebSocket is a very powerful technology, so a small try, made a simple chat room. WebSocket principle is not much introduced, if you want to realize the WebSocket server, t

1. Download Nodejs, and install OK, configure environment variables. 2. Download Sublime Text3 3. Add the node plugin in the package install package (or directly to the Sublimetext-nodejs plugin (https://github.com/tanepiper/SublimeText-Nodejs) download, after downloading, Create a new folder under D:\Program files\sublimetext3\data\packages for

It's easy to figure out the meaning first .. First, sort the total value from large to small .. Then, the K numbers are sorted in ascending order .. That's all ..   # Include "stdio. H"# Include "string. H"# Include "stdlib. H"Struct

It is equivalent to giving a series, and then selecting the algorithm with the first K numbers. This question does not provide detailed data, so we use the dynamic space allocation method. The best algorithm for this kind of question is to use the

# Include # include # include struct node {int I; double sum;} t [100000]; int m, n, k; int CMP1 (const void * a, const void * B) {If (* (node *) ). sum = (* (node *) B ). sum) Return (* (node *) ). i> (* (node *) B ). i? 1:-1; else return (*

Forgive me for failing to reach the level you want, but this is indeed my own picture.The blue bag just got and thought it was a "msdn brand cigarette". Why is it so weighty? Go in and see it, it's too disappointing. No cigarettes, it's all about

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 y

"The sudden realization"See Reactjs today, and suddenly found that they have been using the Freemarker macro very similar,Suddenly understand a lot of front-end hanging fried sky concept, frame, close-up this article, welcome criticism."Nodejs"Official website: https://nodejs.org/Synopsis: A "frame" that is extremely important to the front end, it can be said that the epoch-Analogy in Java: JVMDetailed:On the front end,

Nodejs Project Deployment Aliyun complete Process Reference Document: http://blog.csdn.net/chenlinIT/article/details/73343793Details Note: 1. Start the Nodejs service needs to open two Aliyun host Windows, one is the database Mongoose service, one is the Nodejs server 2. If the Nodejs server listens to your Aliyun hos

Debugging Nodejs code with Node-inspectorAny complete language technology stack is not without robust debugging tools, for the Nodejs platform is the same, the author studies several ways to debug Nodejs code, through comparison, or feel Node-inspector debugging method is more convenient, and the debugging of the front-end JavaScript code has a consistent experie

Seven days Learn NodejsNodejs Base what is NodejsJS is a scripting language, and the scripting language requires a parser to run. For JS written in the HTML page, the browser acts as the parser's role. For a js,nodejs that needs to run independently is a parser.Each parser is a running environment that not only allows JS to define various data structures, perform various calculations, but also allows JS to do something with the built-in objects and me

Each language has its own advantages, the combination of each to take the director of the program to execute more efficient or to say which implementation is simpler to use which, Nodejs is the use of child processes to invoke system commands or files, documents see Http://nodejs.org/api/child_ The Process.html,nodejs sub-process provides an important interface for interacting with the system, and its main

This article describes the Ubuntu 12.04 Server installation Nodejs as well as the upgrade method, Ubuntu installation Nodejs, and the upgraded instance tutorials, need a friend reference under. Because of the recent intention to study the next Nodejs, the results found that there is no suitable for first in the Nodejs

() Close:server.close () Error the practice of TCP Services (ii) Connection Events Data: One end executes write () and the other end triggers the event End: Disconnect at either end to trigger the event Connect: This event is used by the client to trigger when the socket server connection succeeds Drain: When the Write () is triggered at either end, the event is triggered by the current end Error: This event is triggered when an except

Install the latest version of Nodejs update Ubuntu software sourcesudo apt-get updatesudoinstall -y python-software-properties software-properties-Commonsudo add-apt-repository ppa:chris-lea/node. jssudo Apt-get UpdateInstalling Nodejssudo Install Nodejs sudo Install nodejs-legacysudoinstall NPMUpdate NPM's package image source for quick and easy downloadsudo npm

First, the preface Nodejs used some days, recently reviewed its API, the use of new features, in order to have a higher level of mastery, the summary of the API is different from the simple English version of the Chinese, will do more to expand and their own understanding, hoping to help everyone, first from the core of events began Nodejs's events implement an observer pattern that supports the core mechanism of