Artem 1v

How to setup a literally free CDN

Create repo on GitHub where you'll put your files.
Use jsDeliver or statically to get your assets.

Here is repo I'm using:

And links to files look like this:

How many warnings should your JavaScript app have?

JavaScript warnings are these messages being displayed in yellow or red in your JavaScript console or terminal. They make no sense at all in general but they are a good indication of the health of your app. The points below will give you a general idea of how many warnings you should expect in your app:

0 warnings: the app is not working at all
5 warnings: app is probably starting but crashing soon after - try to find why it crashes. You'd think you could read the warnings to learn why it doesn't work, but that's not what warnings are for.
50 warnings: That's the soft spot - most likely everything's running smoothly

Demo:

Spoiler warning

Spoiler text. Note that it's important to have a space after the summary tag. You should be able to write any markdown you want inside the <details> tag... just make sure you close <details> afterward.

console.log("I'm a code block!");

This can be used to daemonize anything that would normally run in the foreground; I picked Redis. Put this in /etc/systemd/system/redis.service:

[Unit]
Description=Redis
After=syslog.target

[Service]
ExecStart=/usr/local/bin/redis-server /etc/redis/redis.conf
RestartSec=5s

Screen Quick Reference

Basic

Description	Command
Start a new session with session name	`screen -S <session_name>`
List running sessions / screens	`screen -ls`
Attach to a running session	`screen -x`
Attach to a running session with name	`screen -r`

	// ==UserScript==
	// @name No YouTube Volume Normalization
	// @namespace https://gist.github.com/abec2304
	// @match https://www.youtube.com/*
	// @match https://music.youtube.com/*
	// @grant GM_addElement
	// @version 2.74
	// @author abec2304
	// @description Enjoy YouTube videos at their true volume
	// @run-at document-start

	// original gist
	const shuffleArray = arr => arr.sort(() => Math.random() - 0.5);

	// fully random by @BetonMAN
	const shuffleArray = arr => arr
	.map(a => [Math.random(), a])
	.sort((a, b) => a[0] - b[0])
	.map(a => a[1]);

	shuffleArray([1, 2, 3]) //[3, 1, 2]

	#---------------------------------------#
	# Project Ignores #
	#---------------------------------------#

	# output
	/.temp
	/.tmp
	/build
	/dist

	cat <<EOF >> /etc/apt/sources.list
	deb http://archive.ubuntu.com/ubuntu precise main restricted universe
	deb http://archive.ubuntu.com/ubuntu precise-updates main restricted universe
	deb http://security.ubuntu.com/ubuntu precise-security main restricted universe multiverse
	EOF

	apt-get update

	apt-get purge \
	apache2 \

	require 'rails_helper'

	RSpec.describe TodosController, :type => :controller do

	describe "GET #index" do
	#describe "POST #create" do
	#describe "GET #show" do
	#describe "PATCH #update" do (or PUT #update)
	#describe "DELETE #destroy" do
	#describe "GET #new" do