node js cluster module

');Var buffer = new Buffer (8 ); Var mineType = mime. lookup (new_file_path );Var fileType = mime. extension (mineType ); Fs. readSync (fd, buffer, 0, 8, 0 );Var newBuf = buffer. slice (0, 4 );Var head_1 = newBuf [0]. toString (16 );Var head_2 = newBuf [1]. toString (16 );Var head_3 = newBuf [2]. toString (16 );Var head_4 = newBuf [3]. toString (16 );Var head_iden = head_1 + head_2; Var tempFileType = FILE_TYPE_CONFIG [head_iden];If (! TempFileType ){Head_iden + = head_3; TempFileType = FILE_TY

Node. js development-socket programming, node. jssocket The net module of Node. js provides socket programming interfaces, so that we can use the underlying socket interfaces to implement application protocols. This time we will

This article mainly shares with you the node. js public platform development tutorial. If you are interested, please refer to it. How can nodejs be used to develop public platforms? Let's not talk about anything more. First, let's briefly introduce the basic principles of the public platform. The server is equivalent to a forwarding server. A terminal (such as a mobile phone or tablet) initiates a request

12.1 Using DNS module to resolve domain name/31312.1.1 using the Resolve method to resolve a domain name to a DNS record/31312.1.2 using the Lookup method to query the IP address/31512.1.3 using the reverse method to reverse Resolve IP address/31612.1.4 various error codes in the DNS module/31712.2 Using the Punycode module to convert Punycode encoding/31812.3 us

Node. js checks for updates using the command line tool, and node. js command line With the popularity of Node. js, it becomes easier to develop command line tools using Node.

Talking about node. js database Exception Handling, talking about node. js Exception Handling This article describes how to handle node. js database exceptions: NodeJs version: 4.4.4 Database Link error It is the most troublesome

This article mainly introduces. js Implementation of file replication methods and instances, using the FS module, friends can refer to the next Node. js does not provide APIs for directly copying files. If you want to use Node. js

Node. js static server implementation method, node. js static Server When you enter a url, the url may correspond to a resource (File) on the server or a directory. The So server analyzes the url and does different things for different situations. If the url corresponds to a file, the server returns the file. If the ur

1 /**2 * Node Entry integrated case (i): Easy routing3 * @Author: by Ghost4 * @Date: 2016/07/115 * @Description:6 * 1, introduce the following modules7 * HTTP Module: Create server, process request and corresponding8 * URL module: Resolve URL request address9 * FS module: Read FileTen * Path

Node. js blog instance (9) Tag and tag page, node. js instance Original tutorial. Each article has a maximum of three tags (less than three tags can also be). When you click the link on the left-side tab of the home page, you can jump to the tab and list all existing tags. When you click any tag link, go to this tab an

Getting started with Node. js development-use the dialog box ngDialog, node. jsngdialog Websites often encounter pop-up dialog box to get user input or pop-up dialog box to let users confirm an operation and so on. There is an extension module based on AngularJS that can help us perform this kind of thing elegantly:Ng

This article describes how to use node + vue. js to implement SPA applications. For more information, see Business Requirements Recently, the company asked to develop a web version of the app. Because the app is content-oriented and has a chat module, it is not suitable for multi-page development, and it is mainly for mobile browsing, it is harsh for loading spe

This article mainly introduces how to easily create a node. js server (2): node. js server composition analysis. This article analyzes and summarizes the simple server code in section 1, for more information about the code, see the previous section: The http module that com

The difference between this and the previous one is that the address is not regular, you need to find the address of the next page and then crawl over to find.//======================================================//abaike Image Bulk download node. JS Crawler 1.00//November 9, 2017//======================================================//built-in HTTP modulevarHttp=require ("http");//built-in file processi

This article mainly introduces node. http. the createServer method is described in this article. createServer method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: This function is used to create an HTTP server and use requestListener as the listener function for request events. Syntax: The Code is as follows: Http. createServer ([requestListener]) Because this

Even HTTPS Web pages, the way of parsing is not consistent, you need to try more.Code://======================================================//aitaotu Image Bulk download node. JS Crawler 1.00//November 14, 2017//======================================================//built-in HTTP modulevarHttps=require ("https");//built-in file processing module for creating d

Nodejs code snippets worth collecting. You can add them to your favorites and use them in subsequent work, if you are interested, you can refer to the following code snippets worth collecting for your reference: 1. For details about node. js static resource compression and caching, refer to: node. js creates a static

Details about Node. js serialization Process Control and node. js serialization Serial task: the task that needs to be followed is called a serial task. You can use the callback method to execute several asynchronous tasks in sequence. However, if there are too many tasks, you must organize them. Otherwise, excessive c

10.1 Handling Errors using domain module/27210.1.1 Domain Module Overview/27210.1.2 Creating and Using domain objects/27410.1.3 implicit binding vs. explicit binding/27610.1.4 binding callback function with intercept callback function/27910.1.5 the pop-up and push-in of the domain stack/280Destruction of 10.1.6 domain objects/28610.2 Assertion processing in node.

Socket. IO is a websocket library, including the client js and the server nodejs. Official Address: socket. io uses socket. io and nodejs to build a websocket Server Socket. io can not only build the websocket service of the client, but also support the websocket of the nodejs server. Next let me introduce how to install and configure nodejs. Go to http://nodejs.org/javasdownloadto download the msifile. Always click next to install. The final file is