Adrian Rosian rredpoppy

32-bit ELF binary

how to assemble and link:

nasm -f elf32 -o <filename>.o <filename>.asm
ld -m elf_i386 -o <filename> <filename>.o

template code (hello world):

section .text
global _start

AWS EC2 Spot Instances for GitHub Self-hosted runners

Below CloudFormation stack which runs GitHub Self-hosted runners on EC2 Spot Instances managed by AutoScalingGroup. It automatically register new instances as self-hosted runners and removes them when Spot is interrupted.

How to use?

Download YML below into file
Create AWS CloudFormation stack
- Provide values for parameters

If you need to install smt in UserData fill stack parameter AdditionalUserData

Advanced Functional Programming with Scala - Notes

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x

Keybase proof

I hereby claim:

I am rredpoppy on github.
I am rredpoppy (https://keybase.io/rredpoppy) on keybase.
I have a public key ASAOz55mLspQSB2oHg6DHDAuZqkZLsAoOUdarVvkw3MtrQo

To claim this, I am signing this object:

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

	[
	{ "id": "QJ5DOWPGxwg", "title": "It's beginning to look a lot like Christmas" }
	, { "id": "xvHQO9LT6ZI", "title": "White Christmas" }
	, { "id": "R8CBoVc_OMI", "title": "Santa Claus is coming to town" }
	, { "id": "Nx-DvH41Tjo", "title": "Jingle Bells" }
	]

	/*
	* Unrestricted security policy files for Java JRE need to be installed from Oracle for 256 keys to work
	*/
	package com.mycompany.mavenproject1;

	import java.security.SecureRandom;
	import java.security.Security;

	import javax.crypto.Cipher;
	import javax.crypto.SecretKey;

	var parser = document.createElement('a');
	parser.href = "http://example.com:3000/pathname/?search=test#hash";

	parser.protocol; // => "http:"
	parser.hostname; // => "example.com"
	parser.port; // => "3000"
	parser.pathname; // => "/pathname/"
	parser.search; // => "?search=test"
	parser.hash; // => "#hash"
	parser.host; // => "example.com:3000"

	package aidaclient;

	import com.sun.xml.internal.ws.developer.WSBindingProvider;
	import com.whitecitycode.aida.*;
	import java.util.List;

	/**
	*
	* @author adrian
	*/

	curl http://www.linux-projects.org/listing/uv4l_repo/lrkey.asc \| sudo apt-key add -
	sudo vi /etc/apt/sources.list
	cat /etc/apt/sources.list
	deb http://mirrordirector.raspbian.org/raspbian/ wheezy main contrib non-free rpi
	deb http://www.linux-projects.org/listing/uv4l_repo/raspbian/ wheezy main

	sudo apt-get update
	sudo apt-get install uv4l-webrtc
	sudo apt-get install uv4l-raspicam-extras
	sudo service uv4l_raspicam restart