Check if Directory or Path Exists using Powershell and Windows Command (bat)

1. Via Powershell:

$DIRE = "C:\Temp"

if ( Test-Path $DIRE ) {
    echo "Directory Exists"
} else {
    md $DIRE 
}

Check 2 paths:

$source="C:\Temp"
$dest="K:\Temp"

if ( ( Test-Path $source ) -and ( Test-Path $dest ) ) {
     Write-Host "START Write to $dest";
}
else
{
     Write-Host "CAN NOT ACCESS Source or Dest: $dest";
}

2. Via Cmd:

IF EXIST C:\NUL ECHO C: Drive is availablae
IF EXIST C:\Temp\NUL ECHO C:\Temp is availablae

Tune Chrome

From : Tune Android Chrome settings:

1. Turn on Data Saver

2. Turn Off Share Reports with Google

3. Turn on Dont Track Me

4.  Flusg DNS/Disable Async DNS

chrome://net-internals/#dns then

uncheck:

5. Chrome Flags

#1 Enhance Image Loading Time (Number of raster threads) : 4

#2 Enhance Page Loading Time (Experimental canvas features) : Enable

#3 Enhance tab/window close speed (Fast tab/window close) : ENable

#4 Avoid auto-reloading of Tabs (Only Auto-Reload Visible Tabs)  ENable

#5 Password Generation (Password generation)  ENable

#6 TCP Fast Open (TCP Fast Open)  ENable

 
#7 Automatic Tab Discarding (Automatic tab discarding)  ENable

6: Get rid of unwanted plugins

Type chrome://plugins into the address bar and disable any unwanted plugins. Just click the link to disable.

7: Smoother scrolling

Type chrome://flags into the address bar and find Enable fast tab/windows close. This

8. Experimental Canvas Features: Enable for a decent performance boost.

Read more: https://www.tweaktown.com/guides/7370/google-chrome-performance-tweak-guide-make-browser-great-again/index3.html