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List of sites with free tier limits

Docker Hub - One private repo/image spot for free
Three Scale - Very generous free tier 50GB of space, 500 Pulls a month etc..
Canister - 20 private repos with almost no limits on free tier
Code Fresh - Free tier for developers

Setup your own private registry

Setup Private Docker Registry - Digital Ocean hosted Tutorial

Running electron using xvfb

Install xvfb

apt-get install xvfb x11-xkb-utils xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic x11-apps

Some tips at: xvfb init script for Ubuntu

An opinionated list of excellent Clojure learning materials

These resources (articles, books, and videos) are useful when you're starting to learn the language, or when you're learning a specific part of the language. This an opinionated list, no doubt. I've compiled this list from writing and teaching Clojure over the last 10 years.

🔴 Mandatory (for both beginners and intermediates)
🟩 For beginners
🟨 For intermediates

Peter Thiel's CS183: Startup - Class 1 Notes Essay

Here is an essay version of my class notes from Class 1 of CS183: Startup. Errors and omissions are my own. Credit for good stuff is Peter’s entirely.

CS183: Startup—Notes Essay—The Challenge of the Future

Purpose and Preamble

Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.

Method 1

Backup the public and secret keyrings and trust database

cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/

or, instead of backing up trustdb...

	name: Running Tests

	on: [push]

	jobs:
	Test:
	runs-on: ubuntu-latest

	services:
	postgres:

	const listeners = (function listAllEventListeners() {
	let elements = [];
	const allElements = document.querySelectorAll('*');
	const types = [];
	for (let ev in window) {
	if (/^on/.test(ev)) types[types.length] = ev;
	}

	for (let i = 0; i < allElements.length; i++) {
	const currentElement = allElements[i];

	package main

	import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"encoding/hex"
	"fmt"
	"io"
	)

	/**
	* Negate sideways velocity on an object being acted upon by a Phaser physics engine.
	* The primary use for this is to simulate vehicle movement by negating "drift" when the vehicle turns.
	* @param {Phaser.Sprite} sprite The sprite whose sideways velocity you want to negate
	*/
	function stopSidewaysVelocity(sprite) {
	// Recycle the same object to conserve memory
	if(!stopSidewaysVelocity.sideways) {
	stopSidewaysVelocity.sideways = {};
	}

	//---------------------------------------------------------------------
	// Name: HelloSDL2.cpp
	// Author: EAML
	// Date: 2021-05-16
	//
	// Description:
	// A minimal PoC for producing a native SDL2 Windows app that can
	// be ran from either Windows Explorer or from Powershell console.
	// It's designed to use minimal command line, compiler options,
	// and dependencies... It will display a gray window for 2 sec's.