If we want to update all packages of the specified vendor

composer update "vendor/*"

If we only want to update a few packages and not all

composer update vendor/package vendor/package2

If we only want to update the specified package

composer update vendor/package

Updates all packages and writes the exact versions into

composer.lock

composer update

1. The composer.lock file will be ignored 2.

composer.json

file dependencies will be installed and updated (if a dependency is not installed it will be downloaded)

The

install

command reads the

composer.json

file from the current directory, resolves the dependencies, and installs them into

vendor

composer install  /  composer i

If

composer.lock

file exists, installs exactly what's specified in this file Otherwise 1. Reads

composer.json

file to look out what dependencies needs to be installed 2. Writes the composer.lock with the information of the project (installed dependencies)

Automated command to generate

composer.json

composer init

Searches packages and shows the result with details that include the word

gallery

npm search imagegallery

The package should be installed globally (so that other app can use it)

npm install -g live-server

After installing, the package should be started by running the command in console

live-server

Installing the package

npm install -g browserify

If our app main JS file is app.js, then running the command will create one

bundle.js

file

browserify app.js > bundle.js

live-server

did not work

browserify

did not work The problem solved after running this command in

Windows PowerShell

(open as an administrator)

Set-ExecutionPolicy -Scope "CurrentUser" -ExecutionPolicy "Unrestricted"