Josh Wiegand jrwiegand

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

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

This document has moved!

It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

Clarify and agree on the scope of the system

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

	const { execSync } = require('child_process')
	const { createHash } = require('crypto')
	const invertColor = require('invert-color')

	const branchName = execSync('git rev-parse --abbrev-ref HEAD')
	const hash = createHash('sha256')
	hash.update(branchName)
	const color = '#' + hash.digest().toString('hex').substring(0, 6)
	const invertedColor = invertColor(color, true)

	FROM gliderlabs/alpine:3.3
	COPY myawesomescript /bin/myawesomescript
	COPY root /var/spool/cron/crontabs/root
	RUN chmod +x /bin/myawesomescript
	CMD crond -l 2 -f

	// Gulp 4
	var gulp = require('gulp');
	var using = require('gulp-using');
	var grep = require('gulp-grep');
	var changed = require('gulp-changed');
	var del = require('del');
	var coffee = require('gulp-coffee');
	var less = require('gulp-less');
	var coffeelint = require('gulp-coffeelint');
	var sourcemaps = require('gulp-sourcemaps');