event pattern are also obvious, as it does not conform to the usual linear approach of the developer, often requiring a complete logic split into events, which increases the difficulty of development and debugging. For this issue, the node. JS third-party module presents a number of solutions, which we'll discuss in detail in the 6th chapter. node.
interface, such as Web server or database.
JavaScript does not have a package management system. Dependencies cannot be loaded and installed automatically.
Hence the advent of the COMMONJS (http://www.commonjs.org) specification, which aims to build a JavaScript ecosystem that includes Web servers, desktops, command-line tools, and browsers. COMMONJS has developed some specifications to address these issues, and node.
starting server and server-related functions.Total.js-A modern web application to develop the node. JS FrameworkAlthough Total.js can be thought of as a minimalist framework, it is still a complement to the node. JS Framework. The framework's target users are developers who want to build applications that are very pow
With the power of the node. JS Stream, you can quickly build projects and reduce frequent IO operations.
Easy to learn
With a minimal API, mastering gulp effortlessly and build your work in the hands of a series of flow pipelines.
High quality plug-in
Gulp's strict plug-in guide ensures that the plug-in is as concise and hig
-mysql
Below we will conduct common tests on the node-mysql API.
New table deletion and modification QueryConnection Pool ConfigurationMySQL ReconnectionConnection Pool timeout Test1). New table deletion and modification QueryModify app. js
~ vi app.js
var mysql = require('mysql');var conn = mysql.createConnection({ host: 'localhost', user: 'nodejs', passwo
)Reference semantic versioning is a formal convention for the use of three-segment version numbers for compatibility, i.e.: Major.minor.patch, main version, minor version, patch.Use the major version number if it is an API change that will not be backwards compatible (backward-compatible). Use the minor version number when adding new features and the API changes are backwards compatible. If you are just fix
();}).listen(8000);
Start the service in the command line and tap node http. js
Open the address bar of the browser and enter http: // localhost: 8000/. The Hello World is displayed! It is successful.
The node. js version must be synchronized with the API
The version numb
Document directory
Understanding callback Mode
Understanding event transmitter Mode
Understanding event types
Use the event transmitter API
Create an event Transmitter
For the list of articles in this series and the translation progress, see Node. js advanced programming: using Javascript to build scalable applications (〇)
This article corresponds to the
This document mainly summarizes the learning experience of Node. js and Mysql. Of course, it can also be seen as the continuation of the previously written message PUSH Service. Briefly describe the background of the application. Our application needs to implement Apple's message PUSH Service APNs. Previously, we have implemented iOS client configuration and function code, as well as the local Provider func
node. JS has generally caused II reactions in people I ' ve introduced it to. Basically people either "got it" right away, or they ended up being very confused.If you have been in the second group so far, this is my attempt to explain node:
It's a command line tool. You download a tarball, compile and install the source.
It Let's run JavaScript progr
addition to the API provided by node itself, there are now a number of third-party modules that can greatly improve the development efficiency, NPM is node's package Manager, you can use it to install the required packages and publish their own Nodejs write packages. Website address: npmjs.orgInstallation requires only one line of code to be written to the terminal:Curl Http://npmjs.org/install.sh | ShNPM
With the rise of cloud computing, many vendors have launched their own cloud computing platforms, such as VMware, Amazon, Google, and Microsoft.
This article introduces Cloud Foundry, a Cloud computing platform of VMware, and uses Node. js + MongoDB to build a Cloud Foundry-based project.
Required knowledge:
Use of Node. js
these modules, you can use them --browser-field to support Package.json flagFor example, we can use Xhr-request, which "browser" uses XHR when a field is referenced.Require (' xhr-request');Request (' https://api. Github.com/users/mattdesl/repos ', {True(err, data) = {throw err;Console.log (data);});Executing in the shell:--save--browser-fieldNow we can review the Network request in the tab:--no-node-timer
node. JS Getting Started" Gateway node. JS Course "Rapid setup of the node. JS development environment and accelerating NPMHttp://fengmk2.com/blog/2014/03/
)
Verification:
Type vmc-v in cmd. if the version number is displayed, the installation is successful.
Use of vmc:
Establish a connection:
Vmc target api.cloudfoundry.com (specify the Cloud Foundry API address)
Create an account:
Create an account at http://www.cloudfoundry.com.
Create through vmc, and type vmc add-user [-- email, -- passwd] in cmd.
Login:
In cmd, type vmc login (enter the email address and password at registration as prompted)
Create
that the next code can be executed while the file is being read, greatly improving the performance of the program. As a result, blocking is performed sequentially, not blocking is not required in order, so if you need to handle the parameters of the callback function, you need to write it inside the callback function. *///=========================node.js Events and Event loops/*node. JS is a single-process
create a new app, or get started with node. JS Development-Using cookies to keep The Logindemo example in login. are.Add a file you write yourselfThere are three self-written files, ngdialog.html and servertpl.html files placed under the public directory of the project, Ngdialog.js under Public/javascripts. Ngdialog.html content: Ngdialog.js content: Angular.module (' myApp ', [' Ngdialog ']). Controlle
The Connect tool set for HTTP development-middlewareAfter learning about node. JS's TCP API and HTTP API, node. JS Web Development is on the right track, but it's like a Java servlet that we can't use the most basic Servlet object to write a website, and we can't use the mos
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