JoshuaDietz

Unicode Character Look-Alikes

Original Letter	Look-Alike(s)
a	а ạ ą ä à á ą
c	с ƈ ċ
d	ԁ ɗ
e	е ẹ ė é è
g	ġ
h	һ

sysrq magic keys

This is useful for trying to recover from an unresponsive system. However, by default, Ubuntu disables the key to gain raw keyboard access.\

Sometimes part of the issue is that X/Wayland display servers have crashed due to bad graphics drivers and keyboard input isn't processed anymore, whereby changing to another console, e.g. ctrl + alt + F1 doesn't work. Since the default disables keyboard control, alt + sysrq + r, can't help salvage the situation. Hence the suggestion to at least enable system request raw keyboard control when trying to recover a system.

Ubuntu doesn't enable control of keyboard by default

Ubuntu 16.04 LTS default value:

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

The Ultimate Unit Testing Cheat-sheet

Sinon Chai
Chai
Sinon

Convert sequence of JPEG images to MP4 video

Simple glob:

ffmpeg -r 24 -i '*.JPG' -s hd1080 -vcodec libx264 timelapse.mp4

Start from DSC_0079.JPG

ffmpeg -r 24 -f image2 -start_number 79 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse2.mp4

	# https://stackoverflow.com/questions/6543519/undoing-accidental-git-stash-pop
	# https://stackoverflow.com/questions/89332/how-to-recover-a-dropped-stash-in-git
	accepted
	If you have only just popped it and the terminal is still open, you will still have the hash value printed by git stash pop on screen (thanks, Dolda).

	Otherwise, you can find it using this for Linux and Unix:

	git fsck --no-reflog \| awk '/dangling commit/ {print $3}'
	and for Windows:

	version: '2'
	services:
	myapp:
	build: .
	container_name: "myapp"
	image: debian/latest
	environment:
	- NODE_ENV=development
	- FOO=bar
	volumes:

	version: '2'
	services:
	postgres:
	image: postgres:9.5
	restart: always
	environment:
	- "POSTGRES_USER=${POSTGRES_USER}"
	- "POSTGRES_PASSWORD=${POSTGRES_PASSWORD}"
	- "POSTGRES_DB=gogs"
	volumes:

	'use strict';

	describe('mocha before hooks', function () {
	before(() => console.log('*** top-level before()'));
	beforeEach(() => console.log('*** top-level beforeEach()'));
	describe('nesting', function () {
	before(() => console.log('*** nested before()'));
	beforeEach(() => console.log('*** nested beforeEach()'));
	it('is a nested spec', () => true);
	});