How to show and Hide the Command Bar in SharePoint Online Pages, Lists and Libraries
Check out the REST API and PnP JS code to hide the Search Box from Top Navigation Bar on the SharePoint Online site
Get to know the OOTB modern SharePoint Framework webparts comparison between SharePoint 2019 and SharePoint Online.
Develop a simple and generic webpart to connect Microsoft Graph API using Microsoft Graph Toolkit web components in the SharePoint Framework webpart
User information is retrieved in SharePoint is different from user information retrieved from MS Graph. This post shows you the comparison of two requests.

Sample Office 365 CLI scripts to manage the Tenant Wide Extensions in a Tenant.
Sometimes, we may want to get the current user's Active Directory ID and Tenant ID. To get that we no need to write blah.. blah.. codes and scripts to get that. I'll give you the quick tip on how quickly get that information.
How to detect the current site page is modern or not. Check out this blog post to know about that.
Unbind the secret behind to get context information for the modern site page.
How the site collection information are stored in SharePoint and how to retrieve it..