This article mainly introduces Node. for details about how to build a js barcode recognition program, refer to the following article. We will show you a very simple method to build a custom Node module, this module encapsulates the Dynamsoft Barcode Reader SDK and supports Windows, Linux, and OS X. At the same time, we will demonstrate how to integrate this modul
?" Classno= "+Encrypt.Md5encrypt (CLASSNO); }Repeater.DataSource =Newss.Take (count);Repeater.DataBind (); }}catch (Exceptione) {}}#region Website VisitsProtectedvoidPageviews () {IntCount = 0;Data accumulationIntStat = 0;StreamReaderSrdGet the actual path to the fileStringFile_path =Server.MapPath ("/xml/counter.txt");Open a file for readingSRD =File.OpenText (File_path);while (Srd.Peek ()! =-1) {Stringstr =Srd.ReadLine ();Count =Int.Parse (STR); }Srd.Close ();Code to run when a new session is
Node. js notes (5) Talk about routing and node. js notes about Routing
The routing usage problem is also mentioned in previous notes, but there is always a "passive" feeling that you must enter an address in the browser to access the corresponding url. We hope to click a button or link to go to another page. We finall
Writing great ES6 style Promises for node. JS is only half the battle. Your great modules must include tests as well to ensure the future iterations don ' t break them. In this lesson, I show you a simple ES6 Promise in node. js, then walk to through creating tests in Mocha using Chai and C hai-as-promised to test both
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 Node. examples of simple web page capturing functions implemented by js. This article uses libraries such as PhantomJS and node-phantomjs to implement these functions. For more information, see the following: web page capturing is a well-known technology, however, there are still a lot of complexities. Simple Web crawlers are still
Node. js solves the problem of obtaining the actual file type of images. The node. js file type
A requirement: Assume that there is an image file with the actual type of jpg, and someone is lazy to copy a jpg file directly and save it as a png file with the same name, in this way, as3 will not encounter problems when r
This article mainly introduces. A simple method for reading and writing Redis databases in js applications. Redis is a memory-based high-speed Database. if you need it, please ensure that Redis and Node are installed before you start this article. js and Node. redis extension of js
This article mainly introduces. A Simple Method for reading and writing Redis databases in js applications. Redis is a memory-based high-speed database. If you need it, please ensure that Redis and Node are installed before you start this article. js and Node. redis extension of js
This article mainly introduces Node. the event-driven programming in js is explained in detail. This article mainly describes theoretical knowledge, such as what is event-driven programming, What Is closures, and how closures help asynchronous programming, if you need it, you can refer to the traditional programming model. I/O operations are like a common local function call: The program is blocked before t
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
This article mainly introduces how to use Meteor with Node. js Code example of real-time chat application, Node. as an asynchronous framework, js is used to compile real-time applications. For more information, see Derby. the framework for js comparison is Meteor.
Node. js blog instance (7) Paging function, node. js Paging
Original tutorial.
Adds the paging function to the homepage and user pages of a blog. Set: up to 10 articles can be displayed on each page of the home page and user page.Here the skip and limit operations of mongodb are used.Open post.
Getting started with Node. js-how to upload a node. js File
Author: zhanhailiang Date:
This article describes how to use Node. js to upload files.
1. initialize the project information: npm init
[root@~/wade/nodejs/nodejs-upload-i
This article mainly introduces Node in Linux. the method for configuring MySQL or Oracle databases in js programs. By default, the Node environment has been assembled and we can use the npm package management tool for configuration. For more information, see
Mysql usageInstall the mysql module:
Run the command in the cmd command line of the installation root dire
JS traverses child node search elements and js node search Elements
Function nextChildNode (node, clazz, tagName) {var count = node. childElementCount; for (var I = 0; I
JS search fo
This article mainly discusses and verifies whether forEach () in node. js is synchronous or asynchronous, and shares ideas and methods with you. if you need it, you can refer to it. Almost all callback functions in node are asynchronous. the code behind the callback function may be executed before the code in the callback function is executed, especially for data
1. What is node. jsnode. JS is a back-end JavaScript runtime environment (supported systems include *nux, Windows), which means you can write system-level or server-side JavaScript code.node. js is lightweight and efficient with event-driven, non-blocking I/O models, making it ideal for running data-intensive real-time applications on distributed devices.Two exam
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