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FFmpeg Cheatsheet

Common FFmpeg Options

Option	Description	Example
`-i`	Input file	`ffmpeg -i input.mp4`
`-vf`	Video filters (apply effects to video)	`ffmpeg -i input.mp4 -vf "scale=1280:720" output.mp4`
`-c:v`	Video codec (specify video compression method)	`ffmpeg -i input.mp4 -c:v libx264 output.mp4`
`-c:a`	Audio codec (specify audio compression method)	`ffmpeg -i input.mp4 -c:a aac output.mp4`

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Using nvmrc on Windows

Unfortunately nvm use on Windows does not change the node version to that specified in the .nvmrc file as its not supported on nvm for Windows: coreybutler/nvm-windows#388

So the easiest solution to this is to use a simple Powershell command that performs an approximation of the command as follows: nvm use $(Get-Content .nvmrc).replace( 'v', '' );

However, thats a bit awkward and we can do a bit more so instead, we can create an 'alias' to a function that calls the command instead:

function callnvm() {

Thanks everyone for commenting/contributing! I made this in college for a class and I no longer really use the technology. I encourage you all to help each other, but I probably won't be answering questions anymore.

This article is also on my blog, too.

Note: $ denotes the start of a command. Don't actually type this.

Steps to Install Anaconda on Windows Ubuntu Terminal

Install WSL (Ubuntu for Windows - can be found in Windows Store). I recommend the latest version (I'm using 18.04) because there are some bugs they worked out during 14/16 (microsoft/WSL#785)
Go to https://repo.continuum.io/archive to find the list of Anaconda releases
Select the release you want. I have a 64-bit computer, so I chose the latest release ending in x86_64.sh. If I had a 32-bit computer, I'd select the x86.sh version. If you accidentally try to install the wrong one, you'll get a warning in the terminal. I chose `Ana

	// Types for the result object with discriminated union
	type Success<T> = {
	data: T;
	error: null;
	};

	type Failure<E> = {
	data: null;
	error: E;
	};

	// Read from an OPML file and write to a JSON file, processing the OPML file
	// and producing the following for each of the feed items in the file:
	// name: title of the feed (from the title attribute)
	// url: URL of the feed (from the htmlUrl attribute)
	// feed: URL of the feed (from the xmlUrl attribute)
	// feedtype: type of feed (from the type attribute)
	//
	// NOTE: This only extracts feeds from the "CSS" and "Eleventy" outlines.
	// Remove that test if you wish to extract all of the feeds.
	//

	// getDescription - given a url, this Eleventy filter extracts the meta
	// description from within the <head> element of a web page using the cheerio
	// library.
	//
	// The full html content of the page is fetched using the eleventy-fetch plugin.
	// If you have a lot of links from which you want to extract descriptions, the
	// initial build time will be slow. However, the plugin will cache the content
	// for a duration of your choosing (in this example, it's set to 1 day).
	//
	// The description is extracted from the <meta> element with the name attribute

	eleventyConfig.addFilter("taglist", function(collection) {
	const tags = [];
	collection.forEach(post => {
	tags.push(...post.data.tags);
	});
	const sorted = [...new Set(tags)].sort((a, b) => a.localeCompare(b));
	return sorted;
	});

	using namespace System.Management.Automation
	using namespace System.Management.Automation.Language

	if ($host.Name -eq 'ConsoleHost')
	{
	Import-Module PSReadLine
	}
	#Import-Module PSColors
	#Import-Module posh-git
	Import-Module -Name Terminal-Icons

	'use strict'

	// examples from https://github.com/vriad/zod

	// trying to use zod in JS w/ jsdoc type comments in vsCode

	const z = require('zod')

	const dogSchema = z.object({
	name: z.string(),