How do I install multiple versions of the same package in NPM?

How do I install multiple versions of the same package in NPM?

When we install a package using the npm install package-name command, it will download the current stable version of the package inside node_modules folder and add it to package. json file. To install multiple versions of the same package, we need to use the package alias syntax which is supported from the npm v6.

How do I install two versions of a package in Python?

Installing Multiple Versions

1. Go to the Python download page.
2. Download the 3.4. 1 installer package.
3. Install it and accept the defaults. (This is important.
4. Download the 2.7. 7 installer package.
5. Install it and, this time, do NOT accept the defaults. Specifically, remove the “Register Extensions” option from installing.

How do I use multiple NPM versions?

First, we need to do a little preparation:

1. uninstall any existing versions of Node. js.
2. delete any existing Node. js installation directories (such as C:\Program Files\nodejs )
3. delete the existing npm install location (such as C:\Users\\AppData\Roaming\npm )

Can I have two versions of npm packages?

With npm or yarn, you can install a package under a custom alias. This enables you to install multiple versions of a package in the same project. Read the documentation on aliasing with npm here and yarn here.

How do I use multiple node versions?

Usage

1. Get a List of all available NodeJs versions.
2. Install latest NodeJs version.
3. Install latest LTS Release.
4. UnInstall the multiple NodeJs version.
5. Get a List of installed NodeJs version.
6. Switching Between installed NodeJs Versions.
7. Run to specific NodeJs version, without switching.

Can we use 2 versions of Python?

If you wish to use multiple versions of Python on a single machine, then pyenv is a commonly used tool to install and switch between versions. This is not to be confused with the previously mentioned depreciated pyvenv script. It does not come bundled with Python and must be installed separately.

Can I run two versions of Python?

18 Answers. Running a different copy of Python is as easy as starting the correct executable. You mention that you’ve started a python instance, from the command line, by simply typing python . What this does under Windows, is to trawl the %PATH% environment variable, checking for an executable, either batch file ( .

Can I have two versions of node?

You have the latest and greatest version of Node. js installed, and the project you’re about to work on requires an older version. In those situations, the Node Version Manager (nvm) is a great tool to use, allowing you to install multiple versions of Node. js and switch between them as you see fit.

Is yarn better than npm?

While Yarn is still faster in most cases, npm is quickly tightening this competition. Several benchmark tests have been done to compare the speed of these two stacks. During the installation process, Yarn installs multiple packages at once as contrasted to npm that installs each one at a time.

Can I have different node versions?

As on the same machine, we can only install one version of the nodejs, so it’s very painful to uninstall and install the new node version as per your project requirements. To overcome this problem, we can use the Node Version Manager (NVM).

What Python version should I choose?

As a standard, it is recommended to use the python3 command or python3. 7 to select a specific version. The py.exe launcher will automatically select the most recent version of Python you’ve installed. You can also use commands like py -3.7 to select a particular version, or py –list to see which versions can be used.