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For Windows 10

Step 1 - Open PowerShell or Command Prompt as administrator

Step 2 - Install KMS client key

slmgr /ipk your_license_key

Replace your_license_key with following volumn license keys according to Windows Edition:

So you want to write a sync system for a web app with offline and realtime support? Good luck. You might find the following resources useful.

Overview articles

Database in a browser, a spec (Stepan Parunashvili)

What problem are we trying to solve with a sync system?
The web of tomorrow (Nikita Prokopov)

1. Copy m3u8 link

2. Run command

echo "Enter m3u8 link:";read link;echo "Enter output filename:";read filename;ffmpeg -i "$link" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 $filename.mp4

Document stores in PostgreSQL

Notes for software engineering meeting presentation

What

mid to late 2000s: appearance of Document stores / NoSQL databases such as Mongo, Couch
Relational DBs now have support for document data: JSON in MySQL, JSON and JSONB in PostgreSQL
Focus on JSONB in Postgres (most full featured)

Pocket Chip Debian 10 Upgrade Guide

The purpose of this tutorial is to walk through the required steps to upgrade NXT chip (or pocketchip) from debian jessie to debian buster.

If you would like to start your Chip from scratch, follow the steps in the Preparation section.

Preparation (Optional)

A linux host machine, recommended Ubuntu 18.04. However I managed to do it with 20.10 with some tweak.

	# this original one uses values returned from 'brew info'
	brew list --formula \| xargs -n1 -P8 -I {} \
	sh -c "brew info {} \| egrep '[0-9]* files, ' \| sed 's/^.[0-9] files, \(.\)).$/{} \1/'" \| \
	sort -h -r -k2 - \| column -t

	# faster alternative using 'du'
	du -sch $(brew --cellar)// \| sed "s\|$(brew --cellar)/\([^/]\)/.\|\1\|" \| sort -k1h

	---
	apiVersion: batch/v1
	kind: Job
	metadata:
	name: myjob
	spec:
	ttlSecondsAfterFinished: 10
	template:
	spec:
	containers:

	[
	{
	"constant": true,
	"inputs": [],
	"name": "name",
	"outputs": [
	{
	"name": "",
	"type": "string"
	}

	Get the information of PHP
	==========================
	$ sudo apt show php
	OR
	$ sudo apt show php -a


	$ sudo apt install php // this will install default php version ( may be 7.2 )

	T0 Install Different Versions Of PHP