Show hidden weight paint

In Blender’s weight paint mode, by default you can’t precisely see which area has zero weight paint.
For clearer visibility, turn on the options on 2nd screenshot while in weight paint mode.

Node.js npx SecurityError: (:) [], PSSecurityException

PS C:\dev> npx
npx : File C:\Program Files\nodejs\npx.ps1 cannot be loaded because running scripts is disabled on this syste 
m. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.       
At line:1 char:1
    + CategoryInfo          : SecurityError: (:) [], PSSecurityException
    + FullyQualifiedErrorId : UnauthorizedAccess

If you can’t run the “npx” command on Windows, check your ExecutionPolicy via Windows PowerShell.

PS C:\> Get-ExecutionPolicy
Restricted
PS C:\> Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned

Execution Policy Change
The execution policy helps protect you from scripts that you do not trust. Changing the execution policy might expose
you to the security risks described in the about_Execution_Policies help topic at
https:/go.microsoft.com/fwlink/?LinkID=135170. Do you want to change the execution policy?
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "N"): Y
PS C:\> Get-ExecutionPolicy
RemoteSigned