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FFmpeg cheat sheet

A list of useful commands for the FFmpeg command line tool.

Download FFmpeg: https://www.ffmpeg.org/download.html

Full documentation: https://www.ffmpeg.org/ffmpeg.html

Basic conversion

BitWarden to Apple iCloud Keychain passwords converter

This Python scripts allows you to move your passwords from BitWarden to Apple iCloud.

You need to know:

It ignores secure notes, credit cards and other types that are not passwords.
It ignores BitWarden entries without usernames, passwords and URLs.
It also ignores URLs that do not start with http:// or https://.
It normalizes all TOTP tokens, e.g. wskg vtqa h5kl bhb4 v4v2 ybyo woc6 qme2 will be converted to otpauth://totp/example.com:dude@foo.bar?secret=WSKGVTQAH5KLBHB4V4V2YBYOWOC6QME2&issuer=example.com&algorithm=SHA1&digits=6&period=30.

(It's not a file, do this before using)

Have D3.js v4 implement in your project first.
npm install --save d3-sankey

npm install --save @types/d3-sankey

Backend as a Service

Supabase - ~52K stars

Designed explicitly as an open source firebase alternative
Typescript based
Docker support

Appwrite - ~32K stars

Written in JavaScript and PHP
Docker based
Realtime support across all services

Conventional Commit Messages

See how a minor change to your commit message style can make a difference.

Tip

Have a look at git-conventional-commits , a CLI util to ensure these conventions and generate verion and changelogs

Commit Message Formats

Default

Moved to git repository: https://github.com/denji/nginx-tuning

NGINX Tuning For Best Performance

For this configuration you can use web server you like, i decided, because i work mostly with it to use nginx.

Generally, properly configured nginx can handle up to 400K to 500K requests per second (clustered), most what i saw is 50K to 80K (non-clustered) requests per second and 30% CPU load, course, this was 2 x Intel Xeon with HyperThreading enabled, but it can work without problem on slower machines.

You must understand that this config is used in testing environment and not in production so you will need to find a way to implement most of those features best possible for your servers.

	KFZUS-F3JGV-T95Y7-BXGAS-5NHHP
	T3ZWQ-P2738-3FJWS-YE7HT-6NA3K
	KFZUS-F3JGV-T95Y7-BXGAS-5NHHP
	65Z2L-P36BY-YWJYC-TMJZL-YDZ2S
	SFZHH-2Y246-Z483L-EU92B-LNYUA
	GSZVS-5W4WA-T9F2E-L3XUX-68473
	FTZ8A-R3CP8-AVHYW-KKRMQ-SYDLS
	Q3ZWN-QWLZG-32G22-SCJXZ-9B5S4
	DAZPH-G39D3-R4QY7-9PVAY-VQ6BU
	KLZ5G-X37YY-65ZYN-EUSV7-WPPBS

	# Copyright (c) Meta Platforms, Inc. All Rights Reserved

	import math
	import os
	import signal
	import sys
	import traceback
	from pathlib import Path
	from random import randint
	import datetime

	# Copyright (c) Meta Platforms, Inc. All Rights Reserved

	import math

	import numpy as np
	import scipy
	import torch.multiprocessing
	from pathlib import Path
	import torch
	import hydra

	<?php
	/**
	* Add rest api endpoint for category listing
	*/

	/**
	* Class Category_List_Rest
	*/
	class Category_List_Rest extends WP_REST_Controller {
	/**