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This article mainly introduces the asynchronous programming practices of when. js under node. js. If you need it, you can refer to the following assumptions for a business scenario:
Get and save the rss feed to a file through the rss address, and save the rss address to the file.
To complete the business in this scenario, you need to complete three tasks:
1. Rea
Three Node. js code optimization methods you have not known, and three node. js codes are unknown.
The running of Node. js programs may be limited by the CPU or input/output operations, but it is very slow. From the CPU perspectiv
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.
This article mainly introduces three unknown Node types. js Code optimization methods help you optimize code. If you are interested, refer to Node. the running of js programs may be limited by the CPU or input/output operations and very slow. From the CPU perspective, one of the typical causes of slow running is the un
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
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
Frontend js optimization scheme (continuous update) and frontend js optimization scheme
I recently read "high-performance javascript". Here I will record some of my feelings after reading it. By the way, I will add my own understandings. If you are interested, you can follow my Blog Tips.
I. js optimization Loading
The biggest feature of zookeeper Node. js is the close integration of asynchronous I/O with events. This mode is very different from the traditional synchronous I/O linear programming approach, because the control flow depends largely on events and callback functions, A logic is split into several cells. Contents: blocking and thread 1. synchronous I/O or blockin
now the majority of nodes. the standard framework of js applications, you can already find. js books see it.
Connect-Connect is a Node. js HTTP service expansion framework that provides a high-performance "plug-in" set. It is famous for its middleware and is one of the basic parts of Express.
Socket. io and sockjs
The http. get method in node. js is described as follows: node. jshttp. get
Method description:
Most requests do not contain GET requests of the Request body. Node. js provides a simpler method for requests.
The difference between this method and Http. request () is that thi
Notes from the node. JS Development Guide ByvoidImplementation process: Https://github.com/ichenxiaodao/express-example5th chapter Web Development using node. jsZero-based implementation of a micro-blogging system with node. js, including routing control, page templates, dat
. js, which is not backwards.
Fifth round: Environment
Where can technology be used and deployed? What platforms and ecosystems are supported? Web developers often need to develop applications that are not entirely web-oriented, such as build tools, migration tools, database conversion scripts, and so on.
PHP has a way to develop desktop apps and command-line tools, but you won't use them. In essence, PHP is a service-side technology that he excels in
Zepto. js custom packaging integration with other modules building process, zepto. js Process
1. First install node. js and npm package management tools on your computer;
2. Download The zepto. js source file package from gith
node's handy tip--Compression codeDownload ImageCompress CodeI believe many front-end students will be on the line before the compression JS code, now Gulp Webpack Grunt ... can be easily achieved. But the problem comes, these will not, it is necessary to face dozens of JS files back and forth "copy-compress-Create-paste", this is too impersonal.It can be easily implemented with
("read the original" to access), which is never treated by other similar plug-ins.
Node. js Tools for Visual Studio provides the following powerful features:
Project template: allows you to get started quickly
SMART awareness: allows code writing to fly
Integration with npm: same experience as Nuget Manager
Interactive window: Faster code logic test
think, who doesn't like robots?
Node makes the project a boost, such as nw.js a Chromium and node. JS-based app, which allows you to write local apps on HTML and JavaScript. How exciting!
Sixth round: Integration
6th round Let's take a look at the integration of database an
robots?
Node improves the project, such as NW. js, an application based on Chromium and Node. js. It allows you to write local apps on HTML and JavaScript. This is exciting!
Sixth Round: Integration
In the 6th round, let's take a look at the
straight up, but you may have headaches with some old, unpopular technology looking for mature integration components.Seventh round: Hosting and deploymentHow easy is it to deploy your fancy new app to an online Web server? This is another victory for PHP. Random contact with a web hosting company you can find the main PHP support, and maybe also free MySQL. For sandbox, PHP is considered simpler and risky extensions can be disabled.node.
This article is a recent summary of the learning of node. JS testing, including unit testing, integration testing, benchmarking, and code coverage testing, among many other things. For medium-to large-scale projects, complete test cases help ensure the continuous integration
Starting today with Big Bear {{BB}} Start translating node's series of foreign language books, bear is responsible for translating "node. js in Action" book, and I am temporarily responsible for translating this "hands-on node. js" (download), in order to facilitate understanding of the way not to use literal translati
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