Drush is the command line shell and Unix scripting interface for Drupal. The most common way to install Drush is to install it on a per-project basis using Composer. We'll walk through the steps to do that, as well as how to set up the Drush Launcher tool (to make it possible to execute Drush commands without having to specify a full path to the executable).
Sometime we permanently lose custom form uploaded files after the cron run, this is due to the file status flag. Here is an example how to add custom form file upload permanently available on the website.
Drupal coder and codesniffer will help you to check the coding standards in your custom code. Here is the steps for install and run the coding violation test on your command line.
It is necessary to debug production bug with specific user or role, for that we need password but it is production database the client will not give you the password also you can't reset it. What will be the solution to debug ? drush uli
Sometime we required to render the views through ajax in your desirable place in you web page. Here is a views/ajax API snippet to call the views with some arguments and views details.
Middleware API adopted from PHP community https://stackphp.com and this will help you to filter every request from users before hitting to the application, suppose you want to block some request based on the request object parameter or you can add the proper headers to all responses leaving your application.