how to check node js version

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.

follows: {"Name": "application-name ","Version": "0.0.1 ","Private": true,"Scripts ":{"Start": "node app. js? 1.1.9"},"Dependencies ":{"Express": "3.4.8 ","Ejs ":"*"}} This is a standard JSON format file, indicating our application and its dependencies. We need to add something. For example, calling mongodb and Monk. Change the dependencies part to the following

follows: {"Name": "application-name ","Version": "0.0.1 ","Private": true,"Scripts ":{"Start": "node app. js? 7.1.2"},"Dependencies ":{"Express": "3.4.8 ","Ejs ":"*"}} This is a standard JSON format file, indicating our application and its dependencies. We need to add something. For example, calling mongodb and Monk. Change the dependencies part to the following

of the cycle body becomes a Tick. Each Tick process is to check whether there are events waiting for processing. If yes, the events and their related callback functions are taken out. If there are associated callback functions, execute them and enter the next loop. If no event is processed, exit the process. 2.2 observer Each event cycle contains several observers who are asked to determine whether an event is to be handled. An event loop is a typica

) $ npm help foldersView All Folders used by npm (9) $ npm rebuild moduleNameUsed to change the package content and recreate it. (10) $ npm outdatedCheck whether the package is out of date. This command will list all outdated packages and update the packages in time. (11) $ npm update moduleNameUpdate node Module (12) $ npm uninstall moudleNameUninstall node Module (13) an npm package contains a package. js

This is the third article in this series. The first two netizens have fed back a lot of messages. In addition, they have been busy for the last two days and have never had time to sort out the articles. It's a weekend, let's sort it out. In this article, we will talk about node. js module introduction and Materials Through Node. the official API of

As Node. js said in its official documentation, the plug-in is a shared object that dynamically links JavaScript code to the CC ++ library. This means that we can reference any content from the CC ++ library and include it into Node. js by creating a plug-in. Node.

This article mainly introduces how to install and run the Node. js environment. Node is a JavaScript interpreter based on the GoogleChromeV8 engine. For more information, see InstallerNodeJS provides some installation programs that can be downloaded and installed at nodejs.org. In Windows, select an installation file with the. msi suffix that matches the system

means that you need to think about how to build a specific application with these rest interfaces on top. Those back-end programmers don't worry about how specific data is delivered from one page to another, and they don't have to worry about whether user data updates are asynchronously acquired through Ajax or by refreshing the page.3, a large number of Ajax requestsFor example, the personalization application, each user sees the page is different, the cache is invalid, needs to launch the AJA

/download/rc/v4.0.0-rc.1/node-v4.0.0-rc.1.tar.gz After the download is complete, run the tar command to decompress the package: # tar -zxvf node-v4.0.0-rc.1.tar.gz Install Node JS v4.0.0Now you can use the downloaded source code to compile Node.

Node. js ~ Deployment on linux ~ Solution for accessing the node. js website over the Internet, linuxnode. js This is the last node. subsequent articles on deploying js to linux, when

,getRecentActivity,getSubscriptions,getNotifications], function(err, results) {//This callback runs when all the functions complete});} If you want to learn more about async. js, go to its GitHub page. 2. asynchronous According to the design, Node. js is single-threaded. Based on this, the synchronization code will block the entire application. For example, most

plug-in. Install JSDT 1. Choose tools> plug-in installation> manually install eclipse plug-in, and click "available software site", as shown in figure 2. check indigo (Note: After this check box is selected, HBuilder checks whether the plug-in installed in indigo has been upgraded during startup, resulting in slow software startup or slow comparison of cards for a long time after startup, therefore, after

In node. js, q. js is used to implement api promise. node. jsq. js About what is promise and promise solution is what problem, please experience node callback asynchronous encoding method, along with the step http://wiki.commonjs.

This article mainly introduces Node in detail. js module encapsulation and usage. If you are interested, refer to Node. js also has some function encapsulation, similar to the C # class library, which is encapsulated into a module for ease of use. After installation, use require () to introduce the call. I.

I needed a problem when I was working on the project today. I wanted to find a string, but I forgot it. It was in that file, so I remembered node. js, finding this string without any pressure, shares with you the following requirements: The entire directory is about 40 MB, and there are countless files. For a long time, I cannot tell which file the character string belongs. Powerful and eye-catching

contains your extension information in your top-level directory: {// Extension name (do not include node or js in the name, which is an implicit keyword ). // This is the name of the extension imported through require. "name": "notify", // Version shocould be http://semver.org/compliant "version