Saving an image or file to MongoDB GridFS using Lua

Install the following packages

$: sudo apt install lua5.3
$: sudo apt install luarocks
$: sudo apt install libbson-dev
$: sudo apt install libmongoc-dev
$: sudo apt install liblua5.3-dev
$: sudo luarocks install lua-mongo

Then save image like below:

	local mongo = require 'mongo'
	local client = mongo.Client('mongodb://127.0.0.1')
	local gridfs = client:getGridFS('GridFS')
	local f = gridfs:createFileFrom('/home/u1/tmp/image.png', {filename='/home/u1/tmp/image.png'})
	f:save()

view raw savetogridfs.lua hosted with ❤ by GitHub

Changing the color of the title bar via registry

This will change the title bar to black

c:\> reg add "HKEY_CURRENT_USER\Control Panel\Desktop" /v "AutoColorization" /t REG_SZ /d "0" /f
c:\> reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM" /v "ColorPrevalence" /t REG_DWORD /d "1" /f
c:\> reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM" /v "AccentColor" /t REG_DWORD /d 4282203453 /f
c:\> reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM" /v "AccentColorInactive" /t REG_DWORD /d "13882323" /f