SharePoint Online
Don't use PropertyPaneTextField with numeric web part properties
When building SharePoint Framework client-side web parts, don't use PropertyPaneTextField to manage values of numeric web part properties. Here is why.
Logging in SharePoint Framework solutions
Proper logs are invaluable when your solution isn't working as expected. Here is how you can log information in the SharePoint Framework.
Write conditional code in the SharePoint Framework
Did you know, that when building SharePoint Framework solutions you can easily include code that will be available only in the debug build?
Building shared code in SharePoint Framework - revisited
Reusing your code allows you to standardize your solutions, save time building them and speed up loading your web parts on pages.
Avoid errors editing SharePoint Framework project configuration with Visual Studio Code intellisense
SharePoint Framework uses JSON files to store project configuration. Here is how you can edit these files easily in Visual Studio Code.