Nodejs1. Install Nodejs Download the latest version of node from the Nodejs website and set the environment variable so that you can operate the NPM environment variable directly from the command line under cmd: path d:/ Nodejs View native node and NPM version 2. Copy a small script directly from the official website: nodeexample.js Const HTTP = require (' http ' = ' 127.0.0.1 ' ' Hello world\n ' => {con
Command Line Summary of yarn and npm, yarnnpm command line
1. commands to be understood first
npm install===yarn-- Install is the default action.
npm install taco --save===yarn add taco-- The taco package is immediately saved to package. json.
npm uninstall taco --save===yarn remove taco
In
First, need to understand the command
npm install= = = yarn --install installation is the default behavior.
npm install taco --save= = = yarn add taco --taco package is immediately saved to Package.json.
npm uninstall taco --save ===yarn remove taco
In NPM, you can use npm
For the past experience of native app development, the current main back-end development of me such a child shoes, not only feel the Web front-end layout complex, and its technical system to understand not deep, people say today is a big front-end era, the introduction of small program I also began to contact the relevant development, now many development framework has introduced the concept of data binding , similar as vue.js. There's always been a lot of questions about node. js, and here's a
I have been studying recently vue.js , but have always been in the runoob above various attempts. Today, the author in this machine (Ubuntu16.04) tried to deploy the Nodejs+npm+vue development environment, the next will be as detailed as possible to tell the installation process, to help the new couple to take a few detours .Nodejs InstallationSpeaking of the installation of Nodejs, the author looked at some of the information before the installation,
Objective
Recently found a problem, run the npm install command to install a dependency pack, on the Mac vagrant installed on the virtual machine is not a problem, on the Aliyun CentOS is not a problem, but in the Windows environment is also a vagrant installed environment of the same virtual machine is not successful, the error is as follows:
NPM err! Error:EPERM:operation not permitted, rename '/usr
Targetnpm.xxx.com Installing and pushing Nodejs packagesNpmui.xxx.com manages NODEJS packages that have been pushedInstalling COUCHDBhttps://launchpad.net/~couchdb/+archive/ubuntu/stableThere are 14.10 14.04 and 12.04 PPA addresses installed that are not discussed hereInstalling COUCHDB 1.6.11. Initializeaccess to "http://localhost:5984/_utils/"new name is Registry libraryAsynchronous synchronous official Nodejs module (can not be done)2. Modify the configuration/usr/local/etc/couchdb/local.ini[
The original address HTTPS://GITHUB.COM/JINDADA/BLOG/ISSUES/1 why need to build private NPM Private package only want to use inside, still don't want to use git+ssh way, feel not elegant, And also want to be able to configure the appropriate permissions the package on NPM is very slow to download, want to cache the downloaded package on the server, the next download first check the update, if not update the
Write Java code, encounter problems first to find the relevant Third-party APIs, has become a habit, Java Third-party API is really too much. But also do not envy Java,node.js also many, see the official website introduction:
The bottom of the official document is Appendix 1:recommended Third-party Modules, here is an introduction to the third party module, the first: There are, many third parties Modules for Node.At the time of writing, August, the master repository of modules is the wiki page.
NPM's package installation is divided into local installation (locals), global installation (globally), and from the command line, the difference is just that there is no-G, such as
NPM Install Grunt # Local Installation
NPM install-g GRUNT-CLI # Global Installation
What's the difference between the two installation methods? The main difference, as illustrated in the
NPM's package installation is divided into local installation (locals), global installation (globally), and from the command line, the difference is only G, for example:
Copy Code code as follows:
NPM Install Grunt # Local Installation
NPM install-g GRUNT-CLI # Global Installation
explained separately below.
1. When npm install XXX-G, the module w
The NPM source is the server address that downloads the package that needs to be downloaded, and by default NPM----https://registry.npmjs.org/
Domestic small partners will find that foreign sources are too slow, so they will find the domestic Taobao source taobao-https://registry.npm.taobao.org/
The source of NPM can be modified with the nano ~/.NPMRC, but manual
NPM UpgradeDon't say much nonsense, just talk about the steps. Start with the easy first and upgrade NPM.NPM This package management tool has been criticized by people, many people recommend the use of yarn, but its number of users are still not reduced, and NPM are installed with node at the same time, let me abandon it, or a bit difficult to do.npm i -g npm
NPM Private package deployed to private warehouse
1. Project deployment to NPM
2. Construction of private warehouses
1, project deployment to NPM
Register for NPM account
Registered Address: https://www.npmjs.com/After registration, enter the email verification account login
Common Nodejs in NPM commands:NPM is primarily a tool for node package management and publishing.Common commands for NPM:1:NPM Install 2:NPM Install -G to install the package into the global environment, my PC's Global environment is: C:\USERS\QINBB\APPDATA\ROAMING\NPM,Howev
Then enter as required until Isthisok? (Yes) Key Points for learning to generate a package. json File
View version
Upgrade
Installation Module
Modules
View the module list
Uninstall Module
Update Module
Search Module
Create a module
Release Module
REPL
Npm Package Manager
View version
[code]npm -v
Npm upgradeWindows
[code]
In May September, I wrote an article about how to manually manage Node. js Modules on the Windows platform [install the Node. js module on Windows]. At that time, on the one hand, I had limited understanding of Node. js, and it was really troublesome to deploy Node. js on the Windows platform, so I chose to manually manage the Node. js module.
Now the situation has changed significantly. On the one hand, Node. js has completed the transformation of the port-based network model on the Windows pla
In May September, I wrote an article about how to manually manage node. js modules on the Windows platform [install the node. js module on Windows]. At that time, on the one hand, I had limited understanding of node. JS, and it was really troublesome to deploy node. js on the Windows platform, so I chose to manually manage the node. js module.
Now the situation has changed significantly. On the one hand, node. js has completed the transformation of the port-based network model on the Windows pla
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